Jurnal Ilmu Ilmu Kehutanan
type: channel
description: Journal Title Jurnal Ilmu Ilmu Kehutanan Initials JIIK Email jiik@ejournal.unri.ac.id Frequency 2 issues in a year ISSN 2579-5929 (Online) DOI Prefix Prefik 10.31258 by Editor in Chief Evi Sri Budiani, S.Hut., M.Si Publisher Forestry Department, Faculty of Agriculture, Universitas Riau JIIK: Jurnal Ilmu-Ilmu Kehutanan [ ISSN 2579-5929 (online) ] is a peer-reviewed journal on forestry and environment. The journal is intended to provide academic forums for researchers who are interested in the discussion of current and future issues on forestry and environment. All articles will be reviewed by experts before accepted for publication. Each author is solely responsible for the content of the published articles. The journal was first published in February 2017 and published every April and October. Starting in 2020 published every February and October. The journal is open to authors around the world regardless of nationality. JIIK: Jurnal Ilmu-Ilmu Kehutanan is published by Forestry Department, Faculty of Agriculture, Universitas Riau. JIIK: Jurnal Ilmu-Ilmu Kehutanan has been indexed in
publisher: Jurusan Kehutanan Fakultas Pertanian Universitas Riau
language: en
publication name: Jurnal Ilmu Ilmu Kehutanan
issn: 2579-5929
items: Analisis Erosi Terhadap Pengembangan Sistem Agroforestri pada Hutan Rakyat di Desa Lupia Kecamatan Kabangka Kabupaten Muna
items: Pengaruh Pupuk Kompos Hasil Pengolahan Sampah Organik Rumah Tangga terhadap Pertumbuhan Bibit Matoa
items: Pengaruh Pemberian Abu Boiler Kelapa Sawit Terhadap Pertumbuhan Semai Mahoni (Swietenia mahagoni) pada Media Gambut
items: Persepsi Stakeholder terhadap Fungsi Hutan dalam Upaya Mempertahankan Kawasan Hutan di Desa Kuala Tolam, Kabupaten Pelalawan
items: Estimasi Cadangan Karbon di Hutan Tanaman Rakyat Desa Batu Jangkih Kabupaten Lombok Tengah
items: Keanekaragaman Jenis Tumbuhan Penutup Tanah Berpasir di Sekitar Muara Sungai Hitam Kota Bengkulu
items: Pembelajaran Kelembagaan Nasional dan Internasional untuk Penguatan Tata Kelola Lingkungan melalui Teori Bedah Jantung
items: INTENSITY OFDISEASEATTACKS ON Anthocephalus cadamba PLANTATION FOREST AT PASIR PUTIH STREET SIAK HULU DISTRICT KAMPAR REGENCY
items: TREE HEALTH EVALUATION ON GREEN LINE AT ARIFIN ACHMAD STREET, PEKANBARU
items: THE EFFECT OF LOCAL MICRO ORGANISM FERTILIZER TO SEED GROWTH JABON (Antochephalus cadamba)
items: THE EFFECT OF THE APPLICATION OF LIQUID SMOKE LITTER LEAVES RUBBER ON SEEDLING (Alstonia scholaris) WITH PLANTING COMPOST MEDIA
items: MONITORING OF PROTECTED FOREST LAND COVER CHANGES BUKIT SULIGI DISTRICT KAMPAR PROVINSI RIAU
items: Study Of The Nature Of Batang Nibung (Oncosperma tigillarium ) In The Village Of Tameran, Bengkalis Regency
items: THE UTILIZATION OF TRADITIONAL MEDICINAL PLANTS BY THE COMMUNITY AROUND THE FOREST WILDLIFE SANCTUARY A COMPLEX OF PELALAWAN REGENCY RIAU PROVINCE
items: CHARACTERISTIC OF THE HABITAT AND THE DISTRIBUTION PATTERN OF KULIM (Scorodocarpus borneensis Becc.) ALONG THE MAIN PATROL LINE OF TAMAN HUTAN RAYA SULTAN SYARIF HASYIM IN RIAU PROVINCE
items: ANALYSIS OF THE ENVIRONMENTAL COMFORT LEVEL IN KACA MAYANG GREEN OPEN SPACE GARDEN AND TUNJUK AJAR INTEGRITAS PEKANBARU CITY
items: DIVERSITY OF TREE SPECIES IN PROHIBITION FOREST IMBO PUTUI OF PETAPAHAN VILLAGE KAMPAR REGENCY IN RIAU PROVINCE
items: GROWTH OF SEEDLINGS Rhizophora mucronata AT VARIOUS LEVELS OF PROPAGUL CUTTING
items: THE UNDERSTANDING VILLAGE COMMUNITY OF KOTO SENTAJO TOWARDS THE EXISTENCE OF SENTAJO RAYA PROTECTED FOREST KUANTAN SINGINGI REGENCY PROVINCE OF RIAU
items: THE POTENTIAL AND DISTRIBUTION OF BIOPESTICIDES PLANTS AROUND RIAU UNIVERSITY CAMPUS
items: BUTTERFLY SPECIES DIVERSITY IN THE TALANG LAKAT RESORT, BUKIT TIGAPULUH NATIONAL PARK
items: ECOTOURISM DEVELOPMENT STRATEGY OF AEK MARTUAWATERFALL IN ROKAN HULU DISTRICT, RIAU PROVINCE
items: THE DIVERSITY OF SOIL MACROFAUNA ON THE BURNED AND UNBURNED LAND IN THE RUMBIO CUSTOMARY FOREST
items: BATANG NIBUNG'S NATURAL DURABILITY (Oncosperma tigillarium) AGAINST ATTACKS SOIL TERMITES (Coptotermes curvignathus)
items: THE UTILIZATION OF WOODEN SKIN Acacia Mangium AS RAW MATERIAL OF PARTICLE BOARDS USING RESIN AMBER
items: ANALYSIS OF INDUSTRIAL FOREST PLANTS AS FITOREMEDIATION AGENTS OF HEAVY METALS FLY ASH CONTAMINATION
items: SUSTAINABLE MANAGEMENT OF ECOTOURISME IN THE CUS-TOMARY FOREST PROHIBITION OF KENEGERIAN RUMBIO
items: USE OF PULAI PLANT LEAF EXTRACT Alstonia scholaris AS VEGETABLE HERBICIDE TO SUPPRESS Cyperus rotundus
items: THE KNOWLEDGE OF THE LOCAL COMMUNITY IN THE BUFFER ZONE OF THE BUKIT RIMBANG BUKIT BALING WILDLIFE RESERVE ABOUT STINGLESS BEE CULTIVATION (Trigona spp.)
items: DIVERSITY AND POTENTIAL OFF RATTAN IN BULUH CINA NATURE TOURISM PARK BULUH CINA VILLAGE KAMPAR DISTRICT

Analisis Erosi Terhadap Pengembangan Sistem Agroforestri pada Hutan Rakyat di Desa Lupia Kecamatan Kabangka Kabupaten Muna
type: item
description: This research aims to analyze the level of erosion in various planting patterns of agroforestry systems implemented by the community in Lupia Village, Kabangka District, Muna Regency. The background of this research is based on the issue of land degradation due to population pressure on forest areas, which prompts the need for alternative approaches such as agroforestry. The research was conducted from June to July 2012 using field study and laboratory analysis methods. The collected data includes information on rainfall, slope, soil texture and structure, as well as the types of planting patterns used. The calculation of erosion rates was done using the USLE (Universal Soil Loss Equation) method. The research results show that the agroforestry planting pattern consisting of a combination of Teak-Banana-Papaya (with an 8% slope) produced the lowest erosion rate of 17.40 tons/ha/year, while the combination of Teak-Long Beans-Cocoa (with a 12% slope) showed the highest erosion rate of 34.31 tons/ha/year. All observed planting patterns resulted in erosion levels exceeding the tolerance threshold, thus not reflecting a sustainable system. Therefore, it is necessary to apply soil conservation techniques to support the sustainability of the agroforestry system in the area.
subject: Articles
  topic: section
subject: Agroforestry, Erosion, Planting Patterns, USLE, People's Forest, Lupia Village
  topic: keywords
creator: Firman Syah
creator: Eva Oktaviani
creator: Hendra Kurniawan
creator: Vellani Losenni Undra
creator: Rosalia Silaban
rights: Copyright (c) 2025 Firman Syah, Eva Oktaviani, S.Hut.,M.Hut, Hendra Kurniawan, Vellani Losenni Undra, S.Pd., M.Geo, Rosalia Silaban (Author)
date: 2025-12-01
publication date: 2025-12-01
starting page: 119
ending page: 127
doi: 10.31258/jiik.9.2.%p

Pengaruh Pupuk Kompos Hasil Pengolahan Sampah Organik Rumah Tangga terhadap Pertumbuhan Bibit Matoa
type: item
description: Processing household organic waste of plant parts into organic fertilizer can reduce pollution and greenhouse gas emissions in urban areas. The organic fertilizer produced supported sustainable agriculture. This study aims to determine the effect of applying organic compost fertilizer on the growth of Pometia pinnata seedlings propagated from seed germination in the nursery. The research design employed an experimental approach, specifically a completely randomized design. ANOVA and Tukey HSD were used to determine the effect of compost fertilizer doses on the growth of Pometia pinnata seedlings. The analysis shows that the morphological parameters of seedlings with compost fertilizer application were better than those of the control. The best dose that consistently provided better morphology parameters of seedlings was 75 g/polybag in a 10x20 cm size. Applying organic fertilizer supports the physiology of seedlings and provides proportional seed growth. Thus, the seedlings' sturdiness quotients are more potent than those of the control groups. Organic fertilizer production from household organic plant waste and planting Pometia pinnata for greening have the potential to mitigate climate change and enhance food security at the research location.
subject: Articles
  topic: section
subject: Climate change mitigation, food security, organic fertilizer, sustainable agriculture, waste management.
  topic: keywords
creator: Nawari
creator: Thamrin
creator: Yusni Ikhwan Siregar
creator: Efriyeldi
rights: Copyright (c) 2025 nawari (Author)
date: 2025-12-01
publication date: 2025-12-01
starting page: 99
ending page: 112
doi: 10.31258/jiik.9.2.%p

Pengaruh Pemberian Abu Boiler Kelapa Sawit Terhadap Pertumbuhan Semai Mahoni (Swietenia mahagoni) pada Media Gambut
type: item
description: Swietenia mahagoni can grow on marginal land and is suitable for use as a revegetation plant. Peat is classified as marginal soil due to its high organic acid content and low levels of macronutrients. One approach to improving the productivity of peat soil is the application of ameliorants, one of which is oil palm boiler ash. This study aimed to evaluate the effect of mixing peat with oil palm boiler ash and to determine the optimal composition of this mixture for the growth of mahogany seedlings. A completely randomized design (CRD) was employed, consisting of five treatments with four replications, resulting in a total of 20 experimental units. The planting media compositions tested were: P0 = 100% peat soil (control), P1 = 10% boiler ash + 90% peat soil, P2 = 15% boiler ash + 85% peat soil, P3 = 20% oil palm boiler ash + 80% peat soil, and P4 = 25% oil palm boiler ash + 75% peat soil. Data were analyzed using SPSS version 26.0. The application of oil palm boiler ash had a significant effect on the growth of mahogany seedlings. The optimal composition was 15% boiler ash and 85% peat, which resulted in an average seedling height increase of 10.01 cm and an average dry weight of 6.61 g.
subject: Articles
  topic: section
subject: Ameliorant
  topic: keywords
subject: Soil Acidity
  topic: keywords
subject: Dry Weight
  topic: keywords
subject: Marginal Land
  topic: keywords
subject: Swietenia mahagoni
  topic: keywords
creator: Pebriandi
creator: Zulkhoiri Fadli
creator: Muhammad Mardhiansyah
creator: Viny Volcherina Darlis
creator: Sonia Somadona
creator: Evi Sribudiani
creator: Lefdi Agung Nugraha
creator: Ewi Irfani
creator: Nur Suhada
rights: Copyright (c) 2025 Pebriandi, Zulkhoiri Fadli, Muhammad Mardhiansyah, Viny Volcherina Darlis, Sonia Somadona, Evi Sribudiani, Lefdi Agung Nugraha, Ewi Irfani, Nur Suhada (Author)
date: 2025-12-01
publication date: 2025-12-01
starting page: 113
ending page: 118
doi: 10.31258/jiik.9.2.113-118

Persepsi Stakeholder terhadap Fungsi Hutan dalam Upaya Mempertahankan Kawasan Hutan di Desa Kuala Tolam, Kabupaten Pelalawan
type: item
description: Kuala Tolam Village, Pelalawan Regency, has forest areas and peatland ecosystems that play an important role ecologically, economically, and socially for the community. However, these areas have been experiencing continuous decline and pressure due to industrial activities and land-clearing practices. This condition requires a deeper understanding of stakeholder perceptions of forest functions, as an essential basis for building a commitment to preserve and maintain the remaining forest areas. The purpose of this study is to analyze stakeholder perceptions of forest functions in efforts to maintain forest areas in Kuala Tolam Village, focusing on three aspects: economic, social, and ecological. The research employed both quantitative and qualitative approaches, using interviews with stakeholders who were involved in discussion forums for the formation of commitments to protect forest areas in Kuala Tolam Village. The results show that stakeholder perceptions of forest functions in Kuala Tolam Village fall into the “agree” category across all measured aspects economic, ecological, and social. The positive perceptions of stakeholders regarding forest functions indicate a collective awareness of the importance of forests for life. This awareness serves as social capital for building a shared commitment to safeguarding forest functions and areas.
subject: Articles
  topic: section
subject: ecology
  topic: keywords
subject: economy
  topic: keywords
subject: social aspect
  topic: keywords
subject: stakeholder perception
  topic: keywords
subject: forest function
  topic: keywords
creator: Ika Lestari Hutasuhut
creator: Maryani Maryani
creator: Anesha Allasselcida
creator: Dinda Tri Agustina
creator: Erwanda Tri Bintan Sabri
creator: Hanifah Ikhsani
creator: Lefdi Agung Nugraha
creator: Gandhiko Mohta
creator: Agung Kartika Putra
rights: Copyright (c) 2025 Ika Lestari Hutasuhut (Author)
date: 2025-12-01
publication date: 2025-12-01
starting page: 90
ending page: 98
doi: 10.31258/jiik.9.2.%p

Estimasi Cadangan Karbon di Hutan Tanaman Rakyat Desa Batu Jangkih Kabupaten Lombok Tengah
type: item
description: This study aimed to estimate the carbon stock in community plantation forests in Batu Jangkih Village, Central Lombok Regency. Data collection was conducted through field observations using the systematic strip sampling method and analyzed with allometric equations specific to each tree species. The stand consisted of mahogany (Swietenia macrophylla), gmelina (Gmelina arborea), and teak (Tectona grandis), with a total of 6,919 individuals and an average density of 52 trees per hectare. The results showed that gmelina had the largest stand volume (7.05 m³/ha), followed by teak (2.36 m³/ha) and mahogany (1.21 m³/ha). Biomass and carbon stock estimations indicated that gmelina stored the highest amount of carbon (3,565.71 tons/ha), while mahogany and teak stored 1,361.79 tons/ha and 1,302.83 tons/ha, respectively. In total, the community plantation forest stored 81,131.35 tons of carbon or 6,230.33 tons/ha. This study demonstrates that stand volume and carbon storage potential are influenced not only by the number of individuals but also by growth rate and morphological characteristics of each tree species. The community plantation forest in Batu Jangkih Village plays an important role in climate change mitigation while also providing economic benefits to local communities.
subject: Articles
  topic: section
subject: carbon stock, community plantation forest, biomass, gmelina, West Lombok
  topic: keywords
creator: Hafizah Nahlunnisa
creator: Wahyu Yuniati Nizar
creator: Fawwaz Dinanty
creator: Wahyu Nazri Yandi
creator: Amelia Dwi Susanti
rights: Copyright (c) 2025 Hafizah Nahlunnisa, Wahyu Yuniarti Nizar, Fawwaz Dinanty, Wahyu Nazri Yandi, Amelia Dwi Susanti (Author)
date: 2025-12-01
publication date: 2025-12-01
starting page: 83
ending page: 89
doi: 10.31258/jiik.9.2.%p

Keanekaragaman Jenis Tumbuhan Penutup Tanah Berpasir di Sekitar Muara Sungai Hitam Kota Bengkulu
type: item
description: The estuarine of Sungai Hitam in Bengkulu City represents a sandy terrestrial ecosystem characterized by a diverse assemblage of ground cover species, which collectively contribute to the ecological functionality of the immediate environment. This study aimed to identify the structural characteristics, species composition, and species diversity of the ecosystem's constituent flora. Fieldwork was conducted from January to February 2018. Data collection involved the systematic placement of 1m x 1m quadrat plots at 20m intervals. Subsequent data analysis utilized the Important Value Index (IVI) and Shannon-Wiener Diversity Index (H') equations. The findings revealed the presence of 79 species distributed across 22 families of ground cover plants. Sphagneticola trilobata (L.) was identified as the dominant species within this area, attributed to its robust adaptive capabilities and invasive characteristics. Despite this dominance, the overall species diversity was classified as high, evidenced by a diversity index value of 3.21. This high index signifies a relatively stable community structure and considerable ecological resilience against environmental disturbances.
subject: Articles
  topic: section
subject: Sandy ground cover species
  topic: keywords
subject: species diversity
  topic: keywords
subject: the black river estuary
  topic: keywords
creator: Albert Farma
creator: Wiryono
creator: Agus Susatya
creator: Faridatin Septiyani
rights: Copyright (c) 2025 Albert Farma (Author)
date: 2025-12-01
publication date: 2025-12-01
starting page: 76
ending page: 82
doi: 10.31258/jiik.9.2.%p

Pembelajaran Kelembagaan Nasional dan Internasional untuk Penguatan Tata Kelola Lingkungan melalui Teori Bedah Jantung
type: item
description: The Heart Surgery Theory emerges from the ongoing governance crisis in Indonesia's environmental sector, characterized by institutional fragmentation and sectoral disconnection. This theory proposes a collaborative governance approach that emphasizes spatial and temporal synchronization combined with the application of mutual accountability across sectors. The Cantelan mechanism anchors budgetary allocations (DIPA/DPA) to specific priority locations, ensuring the simultaneous presence of forestry, environment, public works, agriculture, and social sectors in critical ecosystems. This study applies a reflective literature review combined with lessons from national and international practices, including TVA (United States), MDBA (Australia), and ICPR (Europe). The results indicate that spatial-temporal locking and mutual accountability reduce bureaucratic inefficiencies, close governance loopholes, and strengthen bureaucratic integrity in ecosystem restoration efforts.
subject: Articles
  topic: section
subject: heart surgery theory, cantelan (lock) mechanism, environmental governance, spatial-temporal integration, mutual accountability.
  topic: keywords
creator: Hengki Simanjuntak
creator: Rusdi
creator: Arif Sudarmanto
rights: Copyright (c) 2025 Hengki Simanjuntak (Author)
date: 2025-12-01
publication date: 2025-12-01
starting page: 57
ending page: 66
doi: 10.31258/jiik.9.2.%p

INTENSITY OFDISEASEATTACKS ON Anthocephalus cadamba PLANTATION FOREST AT PASIR PUTIH STREET SIAK HULU DISTRICT KAMPAR REGENCY
type: item
description: Anthocephalus cadamba can be used as one of the alternative plantations because Anthocephalus cadamba is a fast-growing plant species. Disorders by disease attacks can reduce the quality and quantity of wood in the Anthocephalus cadamba stands. Diseases that attack a plant forest population can be very destructive and accompanied by symptoms and signs. Disease attacks will result imbalanced ecosystem if it is not properly considered. The purpose of this research was to determine the intensity of disease attacks on Anthocephalus cadamba stands. Research conducted on Anthocephalus cadamba stands that have an area of 2 ha with a plant distance of 3m x 4m using the survey method showed the intensity of disease attacks on Anthocephalus cadamba stands at Raya PasirPutih street was 24,75%. The most common criteria for the attack of Anthocephalus cadamba disease are mild attacks by 91,0%, then healthy by 5,5%, then moderate attacks by 2,5% and the least were severe attacks by 1,0% of 800 Anthocephalus cadamba stands.The disease that attacks the Anthocephalus cadamba stands were leaf spot, flour dew, soot dew and stem cancer.
subject: Articles
  topic: section
subject: Anthocephalus cadamba
  topic: keywords
subject: disease attacks
  topic: keywords
subject: intensity
  topic: keywords
creator: Ariska Yuliana Putri
creator: M. Mardhiansyah
creator: Evi Sribudiani
rights: Copyright (c) 2019
date: 2019-02-26
publication date: 2019-02-26
starting page: 40
ending page: 45
doi: 10.31258/jiik.3.1.40-45

TREE HEALTH EVALUATION ON GREEN LINE AT ARIFIN ACHMAD STREET, PEKANBARU
type: item
description: Green line is one way to fulfill the existence of green open space in urban areas, it was covered by various types of plants from land cover crops to trees. The condition of trees in the green lane must be in good condition and healthy so it can comfort the road users. Considering the importance of trees in urban areas, the health of trees must be considered to prevent accidents which caused by trees along the road. The purpose of this research was to evaluate the health of trees on the green lane at Arifin Achmad street, Pekanbaru. This research was conducted by census method and scoring method that consisting of the health and quality of trees along Arifin Achmad street. The quality of trees in the green line at Arifin Achmad in Pekanbaru City were reviewed from stem health (75,59%) it means that the trees on the green lane were healthy. The quality of trees of threats to roads, sidewalks and drainage networks (81,66) classified into light category.
subject: Articles
  topic: section
subject: Tree health
  topic: keywords
subject: tree quality
  topic: keywords
subject: green lane
  topic: keywords
creator: Loga Mouli Pamula Gumaja
creator: Muhammad Mardhiansyah
creator: Evi Sribudiani
rights: Copyright (c) 2019
date: 2019-02-26
publication date: 2019-02-26
starting page: 33
ending page: 39
doi: 10.31258/jiik.3.1.33-39

THE EFFECT OF LOCAL MICRO ORGANISM FERTILIZER TO SEED GROWTH JABON (Antochephalus cadamba)
type: item
description: Antochephalus cadamba is a local Indonesian plant that grows very fast and can thrive in tropical forests. Good quality Antochephalus cadamba seeds are needed to make sure the success of the planter and good results. Local Micro Organism (LMO) is a solution of the decay of organic materials derived from plant residues, animal feces, and humans, which contain more than one element. Local Micro Organisms are micro-organisms that are used as starters in making solid organic fertilizers and liquid fertilizers. The aim of the study was to find the effect of Local Micro Organism fertilizer on the growth of Antochephalus cadamba seedlings and the best dose of LMO fertilizer to trigger the growth of seedlings. This research was carried out with an experimental method using a non factorial Completely Randomized Design, LMO fertilizer consisting of five treatments with four replications, to get twenty experimental units. The results that the application of LMO fertilizer on the growth of Antochephalus cadamba dose is best 60 cc/plant, by showing the result of 100% percent of life seedling, growt of plant height is 15,03 cm and dry weight of plant is 35,11 g.
subject: Articles
  topic: section
subject: Antochephalus cadamba
  topic: keywords
subject: local micro organism
  topic: keywords
subject: liquid organic fertilizer
  topic: keywords
subject: dose
  topic: keywords
creator: Andilau
creator: M. Mardhiansyah
creator: Evi Sribudiani
rights: Copyright (c) 2019
date: 2019-02-26
publication date: 2019-02-26
starting page: 28
ending page: 32
doi: 10.31258/jiik.3.1.28-32

THE EFFECT OF THE APPLICATION OF LIQUID SMOKE LITTER LEAVES RUBBER ON SEEDLING (Alstonia scholaris) WITH PLANTING COMPOST MEDIA
type: item
description: Alstonia scholaris is one of the plant indigenous and able to grow rapidly. In the application of fertilizer should be can improve the yields a plant including Alstonia scholaris. Solutions offered as used fertilizer local, the use of waste as fertilizer need to be improved. One of effective way is to take advantage of waste rubber (leaves) be the fertilizer the form of liquid smoke. The purpose of this research is to determine the growth seedling Alstonia scholaris by administering liquid smoke of litter leaves rubber as fertilizer liquid. This study conducted by the method of the Complete Random Design (CRD) with 4 treatment 3 times repeat with each experiment consist of 10 plants so obtained 120 units plants. The results that the application of liquid smoke influential growth seedling Alstonia scholaris dose is best P2 (3 ml/L water), by showing the result of 100% percent of life seedling, growt of plant height is 16,98 cm and dry weight of plant is 29,97 g.
subject: Articles
  topic: section
subject: Alstonia scholaris
  topic: keywords
subject: liquid smoke
  topic: keywords
subject: dose
  topic: keywords
creator: Rizal Efendi
creator: M. Mardhiansyah
creator: Rudianda Sulaeman
rights: Copyright (c) 2019
date: 2019-02-26
publication date: 2019-02-26
starting page: 23
ending page: 27
doi: 10.31258/jiik.3.1.%p

MONITORING OF PROTECTED FOREST LAND COVER CHANGES BUKIT SULIGI DISTRICT KAMPAR PROVINSI RIAU
type: item
description: Bukit Suligi Protection Forest was a protected forest in Riau area which is a stretch of wet tropical forest. The forest land cover of this area continues to decline due to forest fires and forest area conversion. These problems will affected changes in the Bukit Suligi Protection Forest cover. Efforts to find out the change in cover of Bukit Suligi Protected Forest Area land was monitored to see changes in land cover in the area. The purpose of research was changes detection the Bukit Suligi Protection Forest cover in Kampar District through interpretation of Landsat imageries 1997, 2007 and 2017. Identify factors that cause changes in the cover of Bukit Suligi Protection Forest. This research analyzed land cover changes and interviews. Based on the results of interpretation of Landsat imageries in 1997, 2007 and 2017, land cover changes that occurred in the period 1997 - 2017 reached 4447.62 ha or 76.76% of the total area. If described in the period 1997 - 2007 land cover changes amounted to 2920.32 ha or 50.40% of the total area, these changes continue to increase until the period 2007 - 2017 land cover changes of 3627 ha or 62.60% of the total area. Factors that influence changes in the cover area of Bukit Suligi Protection Forest are natural factors and human factors. The human factor consists of population growth and government policies, namely the lack of supervision by the government in the forestry sector, specifically the management of the Bukit Suligi Protected Forest area
subject: Articles
  topic: section
subject: Bukit Suligi Protection Forest
  topic: keywords
subject: Monitoring
  topic: keywords
subject: Landsat imageries
  topic: keywords
creator: Mini Silviana
creator: Rudianda Sulaeman
creator: Yossi Oktorini
rights: Copyright (c) 2019
date: 2019-02-26
publication date: 2019-02-26
starting page: 14
ending page: 22
doi: 10.31258/jiik.3.1.14-22

Study Of The Nature Of Batang Nibung (Oncosperma tigillarium ) In The Village Of Tameran, Bengkalis Regency
type: item
description: There are still many nibung stems on Bengkalis area especially in Temeran village. According to Nurlia, et al., (2013) in general use stem nibung done from generation to generation. The purpose of this study is Knowing anatomical properties nibung stem which covers the vascular bundles, parenchyma and nibung stem fibers. Knowing the physical properties of the nibung stem according to the height and depth of the stem including the water content, density, specific gravity and three-way shrinkage. Knowing the mechanical properties of the nibung stem which includes MOE (Modulus of Elasticity) and MOR (Modulus of Rupture). Properties The anatomy of the nibung stem shows that it is dominated by vascular bundles at the base then dominated by the parenchyma at the end. The color of the black nibung stem is striped on the skin and the color of the cream on the center of the skin and the basting. The physical properties of the nibung stem show that the skin edge of the nibung stem can be used as a lightweight construction because it has an average density value of 0.53 g. Cm-3, which is included in the strong class III. As for the center and pith section it is not recommended to be used as a construction, because the average density is 0.28 g.cm-3 in the middle and an average of 0.17 g.cm-3 in the pith section is included in the strong class V. The mechanical properties of the nibung stem were seen from the highest MOE and MOR values found on the edges of the skin, with an average MOE value of 584.78 kg.cm-2. Likewise for the MOR value the biggest nibung stem is found on the edge of the skin with a value of 432,527 kg.cm-2, and on the edges of the skin including the strong class II and the middle and the bile included in the strong class V.
subject: Articles
  topic: section
subject: Anatomical Properties
  topic: keywords
subject: Physical Properties
  topic: keywords
subject: Mechanical Properties
  topic: keywords
subject: Batang Nibung
  topic: keywords
subject: Strong Class
  topic: keywords
creator: Nur Hasanah
creator: Rudianda Sulaeman
creator: Evi Sribudiani
rights: Copyright (c) 2019
date: 2019-02-26
publication date: 2019-02-26
starting page: 1
ending page: 13
doi: 10.31258/jiik.3.1.1-13

THE UTILIZATION OF TRADITIONAL MEDICINAL PLANTS BY THE COMMUNITY AROUND THE FOREST WILDLIFE SANCTUARY A COMPLEX OF PELALAWAN REGENCY RIAU PROVINCE
type: item
description: Wildlife Reserve is a nature reserve forest that is designed as a place for wildlife that has distinctive value and beneficial for science and culture, also a source of national wealth and pride. This research was conducted to find out the use of traditional medicinal plants in Kerumutan Wildlife Reserve and approach the surrounding community. The type of data used in this study are primary data and secondary data. The population in this study were all communities around the Wildlife Reserve area. This research used purposive sampling, with research procedures namely interviews and observations. Observations were made using 1 observation track, located in natural forest. The track has long 1.5 km, which has 30 observation plots sized 5 m x 5 m. The distance between the plots was 30 m from the first plot to the next plot. The results showed there were 27 species with 19 families of medicinal plants that could be used and processed into medicines in the Kerumutan Wildlife Reserve forest area. Different uses and processing of plant species can produce medicines that can treat diseases suffered by the community. Medicinal plants were most widely used by the community as a febrifuge and abdominal pain.
subject: Articles
  topic: section
subject: Medicinal plants
  topic: keywords
subject: Forest surrounding communities
  topic: keywords
subject: Kerumutan Wildlife Reserve
  topic: keywords
creator: Hardi Yuda
creator: Defri Yoza
creator: Viny Volcherina
rights: Copyright (c) 2019
date: 2019-10-26
publication date: 2019-10-26
starting page: 45
ending page: 54
doi: 10.31258/jiik.3.2.45-54

CHARACTERISTIC OF THE HABITAT AND THE DISTRIBUTION PATTERN OF KULIM (Scorodocarpus borneensis Becc.) ALONG THE MAIN PATROL LINE OF TAMAN HUTAN RAYA SULTAN SYARIF HASYIM IN RIAU PROVINCE
type: item
description: Kulim is a multipurpose tree species (MPTS), which all parts of its tree has high economy value. Its wood that is widely used by the community and causing high exploitation for this species. The purpose of this study was determine characteristic of habitat and distribution pattern of kulim (Scorodocarpus borneensis Becc.) along the main patrol line of Taman Hutan Raya Sultan Syarif Hasyim in Riau Province. Methode used in this study was survey method using vegetation analysis. In this research this method was combination of transect method and line method. The result of this research was kulim (Scorodocarpus borneensis Becc.) that was grown along the main patrol line of the Taman Hutan Raya Sultan Syarif Hasyim as follows the seed grows in yellowish brown sandy soil; an average water content of 6,1 with a pH of 5,89 (slightly acidic); average temperatur average of 25,71 and average humidity of 71,46. The distribution pattern of kulim along the main patrol line of Taman Hutan Raya Sultan Syarif Hasyim, which has a clumped distribution pattern.
subject: Articles
  topic: section
subject: Habitat
  topic: keywords
subject: distribution pattern
  topic: keywords
subject: kulim
  topic: keywords
subject: Taman Hutan Raya
  topic: keywords
creator: Dina Rina Rosinta
creator: Defri Yoza
creator: Evi Sribudiani
rights: Copyright (c) 2019
date: 2019-10-26
publication date: 2019-10-26
starting page: 32
ending page: 44
doi: 10.31258/jiik.3.2.32-44

ANALYSIS OF THE ENVIRONMENTAL COMFORT LEVEL IN KACA MAYANG GREEN OPEN SPACE GARDEN AND TUNJUK AJAR INTEGRITAS PEKANBARU CITY
type: item
description: Pekanbaru is a developing city that is characterized by increasing population and increasing use of green land to become densely populated area. City park is a part of public green open space garden (RTH) that is formed from tree vegetation and lower vegetation that provide comfort. This research aims to determine the level of environmental comfort level based on temperature humidity index (THI) and public perception. The tree vegetation data was collected by census method and the measurements were applied on temperature and humidity. Community perception derived from an interview by using questionnaire. The result showed that tree vegetation affected the measurement of temperature ang humidity. Based on THI value, Kaca Mayang green open space garden and Tunjuk Ajar Integritas are classified as uncomfortable level with a value >26. The assessment of visitors’ perception on comfort aspect depend on the accessibility, seating facilities and toilet facilities in the Kaca Mayang green open space garden. In addition the accessibility factor affects the comfort level in Tunjuk Ajar Integritas as well.
subject: Articles
  topic: section
subject: City parks
  topic: keywords
subject: comfort levels
  topic: keywords
subject: tree vegetation
  topic: keywords
subject: THI
  topic: keywords
creator: Septi Eva Lina
creator: Rudianda Sulaeman
creator: Viny Volcherina Darlis
rights: Copyright (c) 2019
date: 2019-10-26
publication date: 2019-10-26
starting page: 23
ending page: 31
doi: 10.31258/jiik.3.2.23-31

DIVERSITY OF TREE SPECIES IN PROHIBITION FOREST IMBO PUTUI OF PETAPAHAN VILLAGE KAMPAR REGENCY IN RIAU PROVINCE
type: item
description: Imbo Putui Prohibition Forest was located in Petapahan Village, Tapung District, Kampar Regency, Riau Province. The area of Imbo Putui Prohibition Forest is 250 ha. Imbo Putui Prohibition Forest was known to store a great variety of species, both flora and fauna. There are 59 different types of trees from 24 different families and there are 6 types of trees that have an important value index (INP) of more than 15%, the type was medang, mempening, kelat, meranti, lalan and kempas. It was necessary to do research with the title of Tree Species Diversity in Imbo Putui Prohibition Forest in Petapahan Village, Kampar Regency, Riau Province, which aims to determine the diversity of tree species found in the Imbo Putui Indigenous Forest. So that the value of plant species diversity in the Imbo Putui Prohibition Forest was obtained was high, which was 3.28. The value of Imbo Putui Indigenous Forest Prohibition species was high, which was 8.68. The evenness index value in the Imbo Putui Prohibition Forest was high at 0.80.
subject: Articles
  topic: section
subject: Biodiversity
  topic: keywords
subject: tree species
  topic: keywords
subject: prohibition forest
  topic: keywords
creator: Widia Safitri
creator: Defri Yoza
creator: Yossi Oktorini
rights: Copyright (c) 2019
date: 2019-10-26
publication date: 2019-10-26
starting page: 17
ending page: 22
doi: 10.31258/jiik.3.2.17-22

GROWTH OF SEEDLINGS Rhizophora mucronata AT VARIOUS LEVELS OF PROPAGUL CUTTING
type: item
description: Rhizophora mucronata is mangrove that has called propagul fruit type. The part that extends to propagul (hypokotil) served is as a food reserve while the Propagul germinate and become seedlings. The type of vivipari propagul is propagul which has germinated before falling from the tree. The Rhizophoraceae propagul has germinated in the fruit, bugles and expands from the fruit when the fruit is still above the mother tree. The purpose of this study was to determine the success rate at nurseries and the best cutting rate of propagul. This research was carried out with a completely randomized design method (CRD) with 4 treatments that is; (P0) without propagul, (P1) propagul cutting 25%, (P2) propagul cutting 50%, (P3) propagul cutting 75%, with triplicate each experiment consisting of 10 plants, with the total of 120 units of plants used. Based on the results of the research, propagul cutting did not affect the success nursery rate by showing the yield of 100% seedlings, the best propagul cutting presentage is 25% with a growth rate of 6.91 cm.
subject: Articles
  topic: section
subject: Rhizophora mucronata
  topic: keywords
subject: propagul
  topic: keywords
subject: cutting
  topic: keywords
creator: Safruni
creator: M. Mardhiansyah
creator: Evi Sribudiani
rights: Copyright (c) 2019
date: 2019-10-26
publication date: 2019-10-26
starting page: 12
ending page: 16
doi: 10.31258/jiik.3.2.12-16

THE UNDERSTANDING VILLAGE COMMUNITY OF KOTO SENTAJO TOWARDS THE EXISTENCE OF SENTAJO RAYA PROTECTED FOREST KUANTAN SINGINGI REGENCY PROVINCE OF RIAU
type: item
description: Sentajo Raya Protection Forest is one of the protected forest areas in Riau Province, right in Kuantan Singingi Regency. The existence of Sentajo Raya Protected Forests has benefits for communities around the area, where timber forest products can be utilized, used as educational forests, and used as tourist attractions. To maintain forest preservation, the community replanted inside the area after logging. The purpose of this research was to find out the understanding, the response of Koto Sentajo village community and the forms of disturbances in Sentajo Raya Protection Forest. This research method uses random sampling, Determination of the number of respondent in this research using Slovin formula. Primary data collection techniques through interviews and observations. Secondary data collection techniques through collection of library materials that can support primary data collection. The results showed that the understanding and response of the people of Koto Sentajo village was relatively good, with each percentage of the community's answers being 96.25% and 95.00%. The form of disturbance found in Sentajo Raya Protection Forest was in the form of taking wood in small quantities.
subject: Articles
  topic: section
subject: Sentajo Raya Protection Forest
  topic: keywords
subject: village community
  topic: keywords
subject: understanding
  topic: keywords
subject: response
  topic: keywords
subject: and disturbance
  topic: keywords
creator: Erpino
creator: Evi Sribudiani
creator: Defri Yoza
rights: Copyright (c) 2019
date: 2019-10-26
publication date: 2019-10-26
starting page: 1
ending page: 11
doi: 10.31258/jiik.3.2.1-11

THE POTENTIAL AND DISTRIBUTION OF BIOPESTICIDES PLANTS AROUND RIAU UNIVERSITY CAMPUS
type: item
description: This study aims to determine the potential of plants as biopesticides found around Riau University campus. The method used consists of vegetation analysis and renaissance methods. The vegetation analysis method was used in the arboretum area of the Riau University while the renaissance survey was carried out on agricultural gardens, shrubs and road shade plants. From the survey results, there were 25 types of botanical pesticide with the highest growth rate at at the seedling and understorey plants.
subject: Articles
  topic: section
subject: biopesticides
  topic: keywords
subject: botanical pesticides
  topic: keywords
subject: understorey plants
  topic: keywords
creator: Agus Sutikno
creator: Defri Yoza
creator: Vini Volcherina Darlis
rights: Copyright (c) 2020
date: 2025-06-26
publication date: 2025-06-26
starting page: 32
ending page: 45
doi: 10.31258/jiik.4.1.32-45

BUTTERFLY SPECIES DIVERSITY IN THE TALANG LAKAT RESORT, BUKIT TIGAPULUH NATIONAL PARK
type: item
description: Bukit Tigapuluh National Park had a lot of natural resource potential that could be used as an ecotourism object, one of them is a butterfly. This study aims to identify the diversity of butterflies (Rhopalocera) species at Talang Lakat Resort TNBT. The observation method used in this research was the transect line that made in three observation locations at the Camp Granite ecotourism object. The results of the butterfly inventory were found 40 species was identified from 110 individuals, which belonged to five families. The species diversity index (H ') in each location was classified as moderate with the highest value was at the Waterfall (3.14).
subject: Articles
  topic: section
subject: Bukit Tigapuluh
  topic: keywords
subject: National Park
  topic: keywords
subject: butterfly
  topic: keywords
subject: diversity
  topic: keywords
creator: Agung Anugrah
creator: Nurul Qomar
creator: Yossi Oktorini
rights: Copyright (c) 2020
date: 2025-06-26
publication date: 2025-06-26
starting page: 28
ending page: 31
doi: 10.31258/jiik.4.1.%p

ECOTOURISM DEVELOPMENT STRATEGY OF AEK MARTUAWATERFALL IN ROKAN HULU DISTRICT, RIAU PROVINCE
type: item
description: Rokan Hulu District is a district has own attractiveness which is in natural beauty in the form of waterfall, one of which is the Aek Martua waterfall located in the Bangun Purba Village. The purpose of this study as to find out the potential of tourism objects in order to improve the development of Aek Martua waterfall ecoutourism and to develop a strategy for developing Aek Martua waterfall ecoutourism in Rokan Hulu District. This study use interview methods and field observation. The status of the Aek Martua waterfall area is a Nature Reserve or Nature Conservation Area. The result of the study show that the waterfall has its own potential, which is a different height, there are three waterfall with a distance of several tens of meters starting from a height of 15 to 35 meters. Aek Martua waterfall ecotourism development strategy can be carried out such as developing Aek Martua waterfall as a location for ecotourism in ancient wake village, building facilities and infrastructure, improving road access to the location of Aek Martua waterfall, empowering communities around Aek Martua waterfall in ecotourism activities, increasing collaboration its local government to develop Aek Martua waterfall ecotourism, increased security from illegal logging that occurs around the Aek Martua waterfall area, and promoting waterfall ecotourism through internet, television, and newspaper.
subject: Articles
  topic: section
subject: Aek Martua waterfall
  topic: keywords
subject: development
  topic: keywords
subject: ecotourism
  topic: keywords
subject: strategy
  topic: keywords
creator: Mulya Rolina
creator: Defri Yoza
creator: Nurul Qomar
rights: Copyright (c) 2020
date: 2025-06-26
publication date: 2025-06-26
starting page: 20
ending page: 27
doi: 10.31258/jiik.4.1.20-27

THE DIVERSITY OF SOIL MACROFAUNA ON THE BURNED AND UNBURNED LAND IN THE RUMBIO CUSTOMARY FOREST
type: item
description: Soil macrofauna is a part of soil biodiversity that plays an important role in the improvement soil physical, chemical and biological properties. Fires that occur will affect the activity and presence of soil macrofauna which helps the decomposition process of organic materials such as providing better environmental facilities (Micro Habitat). This research aims to know species diversity and population density of soil macrofauna on burned and unburned land in The Rumbio Customary Forest. The research was carried out in The Rumbio Customary Forest and the Soil Laboratory Faculty of Agriculture University of Riau. The sampling of soil macrofauana was carried out on burned and unburned land in The Rumbio Customary Forest and also for measurement of soil physical-chemical factors. The research used the hand sorting method. This research showed that the population density of soil macrofauna on unburned land is higher if compared to burned land.
subject: Articles
  topic: section
subject: Diversity
  topic: keywords
subject: soil macrofauna
  topic: keywords
subject: burned and unburned land
  topic: keywords
subject: The Rumbio Customary Forest
  topic: keywords
creator: Darwan Suganda
creator: Defri Yoza
creator: Wardati
rights: Copyright (c) 2020
date: 2025-06-26
publication date: 2025-06-26
starting page: 14
ending page: 19
doi: 10.31258/jiik.4.1.14-19

BATANG NIBUNG'S NATURAL DURABILITY (Oncosperma tigillarium) AGAINST ATTACKS SOIL TERMITES (Coptotermes curvignathus)
type: item
description: Nibung (Oncosperma tigillarium) is a palm-like plant that grows in Southeast Asia and covers almost all parts of Indonesia. Nibung stem is very resistant to use in coastal areas by the community as building material and as a support pole. This study aims to determine the durable class of Batang Nibung (Oncosperma Tigillarium) from termite attack (Coptotermes curvignathus). This research method uses a Complete Random Design (CRD) balanced nest design. Nibung's Natural Endurance Test on Soil Termites (Coptotermes curvignathus) using SNI 01-7207-2006. Nibung stem as a whole has a decrease in average Weight Loss (WL) value of 15.37% and is included in the class IV durable, while the nibung stem which has the smallest WL is found at the base of the skin (Pk) which is 2.39% classified in the durable class I and the part that has the most WL is found on the tip of the skin (Uk), which is 24.09% belonging to the durable V class.
subject: Articles
  topic: section
subject: Weight loss
  topic: keywords
subject: Batang Nibung
  topic: keywords
subject: Termite
  topic: keywords
subject: Durable Class
  topic: keywords
creator: Akmal Gian Fernando
creator: Rudianda Sulaeman
creator: Viny Volcherina Darlis
rights: Copyright (c) 2020
date: 2025-06-26
publication date: 2025-06-26
starting page: 8
ending page: 13
doi: 10.31258/jiik.4.1.8-13

THE UTILIZATION OF WOODEN SKIN Acacia Mangium AS RAW MATERIAL OF PARTICLE BOARDS USING RESIN AMBER
type: item
description: Acacia Mangium bark waste is an alternative form of raw material that can be used as a raw material in making particle board. Acacia Mangium skin has wood components ranging from 10.5 - 12.1%, while the adhesive used is resin 70% mixed with solar oil 30%. Making particle board with a size of 25 cm x 20 cm x 2 cm with a particle size of 4 mesc with boiling method of raw materials and drying, pressing for 8 hours and conditioning for 20 days. The purpose of this study was to determine the physical and mechanical properties of the particle board, using 3 samples and 3 replications for each test, the data obtained then averaged then the results compared with the characteristics of SNI 03-2105-2006. Based on the results of the research on physical properties, namely density 0.91 gr/cm3, moisture content 11.91%, water absorption 65.12% and development thickness of 16.39% while the mechanical properties are MOE 1.70 104 kgf/cm2 and MOR 27,62 kgf/cm2.
subject: Articles
  topic: section
subject: Acacia mangium
  topic: keywords
subject: Bark waste
  topic: keywords
subject: Particle board
  topic: keywords
subject: Resin amber
  topic: keywords
creator: Rido Sukmawi
creator: Rudianda Sulaeman
creator: Evi Sribudiani
rights: Copyright (c) 2020
date: 2025-06-26
publication date: 2025-06-26
starting page: 1
ending page: 7
doi: 10.31258/jiik.4.1.1-7

ANALYSIS OF INDUSTRIAL FOREST PLANTS AS FITOREMEDIATION AGENTS OF HEAVY METALS FLY ASH CONTAMINATION
type: item
description: Analysis of the ability of industrial forest plants such as A. crassicarpa and A. mangium can act as phytoremediation agents in absorbing heavy metals (Cd, Co and Pb) contained in coal-burning fly ash boilers that can be used as peat soil ameliorants. Provision of fly ash on peat soils has potential to pollute the soil. The purpose of this study was to analyze the effectiveness of forest indutrial plants in reducing heavy metal content in soils contaminated with fly ash and to estimate how much economic valuation is valued for the phytoremediation ability of acacia plants in the case of heavy metal contamination from pulp industry activities and paper.The results of the analysis of the ability of industrial forest plants in absorbing heavy metals show that A. crassicarpa is better at absorbing Pb metal, A. mangium is better at absorbing Co metals and Cd metal showed no significant difference between the two types of industrial forest plants.
subject: Articles
  topic: section
subject: phytoremediation
  topic: keywords
subject: heavy metal
  topic: keywords
subject: fly ash
  topic: keywords
subject: Acacia mangium
  topic: keywords
subject: Acacia crassicarpa
  topic: keywords
creator: Fikri Daryat
creator: Aslim Rasyad
creator: Syafruddin Nasution
rights: Copyright (c) 2020
date: 2020-10-23
publication date: 2020-10-23
starting page: 36
ending page: 47
doi: 10.31258/jiik.4.2.36-47

SUSTAINABLE MANAGEMENT OF ECOTOURISME IN THE CUS-TOMARY FOREST PROHIBITION OF KENEGERIAN RUMBIO
type: item
description: This study aims to determine the sustainability status of the Kenegerian Rumbio Indigenous Forest Management ecotourism. The type of data collected includes primary data and secondary data. Data was collected using survey meth-ods, interviews and literature. The method used in this research is Multidimesion-al Scalling (MDS) analysis. Sustainability analysis is carried out using the MDS analysis approach with the help of Rap-InsusEco software. The sustainability sta-tus of managing the Kenegerian Rumbio Indigenous Forest Ecotourism Forest is currently multidimensional in the category of quite sustainable. The results of the analysis of each dimension are the ecological dimension (72.5%) the economic dimension (33.4%) and the socio-cultural dimension (51.6%). The design of sus-tainable ecotourism management in the Kenegrian Rumbio Indigenous Forests by: (1) Establishment of clear ecotourism planning and management (2) Safeguarding and monitoring forest access (3) Establishment of business partners (4) Means of ecotourism information on Kenegerian Rumbio Indigenous Forests (5) Determina-tion of ideas and ideas for the formation of attractions (6) Support from various parties (7) Financial support, infrastructure and mental readiness of the communi-ty.
subject: Articles
  topic: section
subject: Sustainable
  topic: keywords
subject: Ecotourisme
  topic: keywords
subject: The Customary Forest Prohibition of Kenegerian Rumbio
  topic: keywords
creator: Atika Azharo
creator: Suwondo
creator: Ridwan Manda Putra
rights: Copyright (c) 2020
date: 2020-10-23
publication date: 2020-10-23
starting page: 29
ending page: 35
doi: 10.31258/jiik.4.2.29-35

USE OF PULAI PLANT LEAF EXTRACT Alstonia scholaris AS VEGETABLE HERBICIDE TO SUPPRESS Cyperus rotundus
type: item
description: Alstonia scholaris contains flavonoids, tannins, triterpenoids, resins and alkaloids. Alkaloid compounds, tannins and flavonoids of plant origin can inhibit weed growth. Alkaloid compounds, tannins and flavonoids work by suppressing the hormone auxin and the hormone gibberelin so that weed growth is inhibited. This study aims to determine the potential of Alstonia scholaris leaves in inhibiting the growth of weed Cyperus rotundus. The inhibition of Cyperus rotundus growth can be seen from changes in leaf color/population phytotoxicity, number of leaves, and height of Cyperus rotundus. The research used Cyperus rotundus leaves which were mashed into flour and then extracted by macerating with alcohol 96% . The results of the extract of Cyperus rotundus leaf flour consisting of a concentration of 0 g/l (control), 25 g/l, 50 g/l, 75 g/l, and 100 g/l were applied to Cyperus rotundus. Pure extracts are given with different concentrations to determine the concentration that is effective in suppressing the growth of Cyperus rotundus. Vegetable herbicides of Cyperus rotundus leaves with a concentration of 50 g/l became the solution to control the enchanted grass weeds that are environmentally friendly without using synthetic herbicides. With the results of phytotoxicity P2= 40.00%, wet weight P2= 1.53 g, and dry weight P2= 0.91 g.
subject: Articles
  topic: section
subject: Alstonia scholaris
  topic: keywords
subject: Vegetable Herbicide
  topic: keywords
subject: Cyperus rotundus
  topic: keywords
creator: Khairul Anwar
creator: M. Mardhiansyah
creator: Defri Yoza
rights: Copyright (c) 2020
date: 2020-10-23
publication date: 2020-10-23
starting page: 22
ending page: 28
doi: 10.31258/jiik.4.2.22-28

THE KNOWLEDGE OF THE LOCAL COMMUNITY IN THE BUFFER ZONE OF THE BUKIT RIMBANG BUKIT BALING WILDLIFE RESERVE ABOUT STINGLESS BEE CULTIVATION (Trigona spp.)
type: item
description: Bukit Rimbang Bukit Baling Wildlife Reserve (BRBB) was designated in 1982 and was established in 2014 based on the Decree of the Minister of Forestry SK Number. 3977 / Menhut-VIII / KUH / 2014 dated May 23, 2014 covering an area of 141,226.25 ha in Kampar Regency and Kuantan Singingi Regency, Riau Province. The aim of this study was find out about local community knowledge in the Wildlife Conservation Area (BRBB) about kelulut or stingless bee (Trigona spp.) cultivation and to know the relationship between the respondent characteristics with that knowledge. This method of this research was quantitative approaches. The number of respondents was 85 people, selected based on random sampling spread in Koto Lamo Village, Bukit Betung Village, and Tanjung Belit Selatan Village. Data were analyzed statistically by chi-square test. The results of this study show that the local community has knowledge about stingless bee cultivation at the “knowing” level. Individual factors that were significantly related to people's knowledge of stingless bee cultivation were gender, employment, and education.
subject: Articles
  topic: section
subject: BRBB Wildlife Reserve
  topic: keywords
subject: buffer zone
  topic: keywords
subject: community knowledge
  topic: keywords
subject: Trigona spp
  topic: keywords
creator: Fariz Hidayat
creator: Nurul Qomar
creator: Yossi Oktorini
rights: Copyright (c) 2020
date: 2020-10-23
publication date: 2020-10-23
starting page: 13
ending page: 21
doi: 10.31258/jiik.4.2.13-21

DIVERSITY AND POTENTIAL OFF RATTAN IN BULUH CINA NATURE TOURISM PARK BULUH CINA VILLAGE KAMPAR DISTRICT
type: item
description: Rattan is a non-timber forest product that had very high economic value. This study aims to identify the diversity of rattan species and determine the pattern of rattan distribution found in Buluh Cina Nature Tourism Park, Buluh Cina Village, Kampar District. The benefits of this research were as a source of knowledge and information about the diversity of rattan species in Buluh Cina Nature Tourism Park. The types of data collected in this study were primary data and secondary data. The stages of this research was the position of the track or transect in the field determined using the Purposive Sampling Method. Data analysis in this study was descriptive. The diversity of rattan species in the Buluh Cina Nature Tourism Park, includes six types of rattan, namely Rattan Getah (Daemonorops angistofolia), Rattan Water Sago (Calamus axillaris), Rattan Sago Air (Calamus caesius), Rattan Cacing (Calamus cilliaris), Rattan Cimoti (Calamus sp) and Rattan Tunggal (Calamus sp), with the value of diversity index 1.03 was clasified as low. The pattern of distribution of rattan was grouped (aggregate), this is because the value of Id on each observation line more than 1 species.
subject: Articles
  topic: section
subject: Diversity
  topic: keywords
subject: Rattan
  topic: keywords
subject: Nature Parks
  topic: keywords
subject: Buluh Cina Nature Tourims Park
  topic: keywords
creator: Alpino
creator: Defri Yoza
creator: M. Mardhiansyah
rights: Copyright (c) 2020
date: 2020-10-23
publication date: 2020-10-23
starting page: 7
ending page: 12
doi: 10.31258/jiik.4.2.7-12