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All Journal JURNAL HUTAN LESTARI JURNAL ANALISIS KEBIJAKAN KEHUTANAN Indonesian Journal of Science and Technology Journal of Applied Agricultural Science and Technology Jurnal Penelitian Sosial dan Ekonomi Kehutanan Buletin Ilmiah Nagari Membangun Unri Conference Series: Agriculture and Food Security Jurnal Teknologi Pertanian Andalas International Journal of Agricultural Sciences Contagion: Scientific Periodical Journal of Public Health and Coastal Health JAS (Jurnal Agri Sains) International Journal of Engineering, Science and Information Technology Jurnal Terapan Pemerintahan Minangkabau Journal of Applied Agricultural Science and Technology Jurnal Ilmiah Membangun Desa dan Pertanian Journal of Socio Economics on Tropical Agriculture (Jurnal Sosial Ekonomi Pertanian Tropis) (JOSETA) Biodiversitas Journal of Biological Diversity
Yonariza Yonariza
Univeritas Andalas
Agriculture, Biological Sciences & Forestry Humanities Astronomy Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Materials Science & Nanotechnology Mathematics Mechanical Engineering Nursing Physics Public Health Social Sciences Transportation Veterinary Other

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Perception, attitude, and motive of local community towards forest conversion to plantation in Dharmasraya District, West Sumatra, Indonesia Kordiyana K Rangga; Yonariza Yonariza; HELVI YANFIKA; Abdul Mutolib
Biodiversitas Journal of Biological Diversity Vol. 21 No. 10 (2020)
Publisher : Society for Indonesian Biodiversity

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13057/biodiv/d211057

Abstract

Abstract. Rangga KK, Yonariza, Yanfika H, Mutolib A. 2020. Perception, attitude, and motive of local community towards forest conversion to plantation in Dharmasraya District, West Sumatra, Indonesia. Biodiversitas 21: 4903-4910. Forest conversion in Dharmasraya District massively occurred from 2000 to 2014. In 2000, forest area reached 86% of 33,550 ha. In 2014, forest cover reduced to only 16% with an increase in plantation area (rubber and oil palm), covering 59% of the total area. This study was aimed to examine the perception, attitude, and motive of the local community regarding forest conversion to the plantation. This study was located in PFMU (Production Forest Management Unit) Dharmasraya West Sumatra, which included a production forest area. This study was conducted from February to August 2018 with a case study approach. A total of 40 households, was selected as respondents. Snowball sampling was applied to interview the key informants. Data were analyzed using the interactive model, which included data reduction, data presentation, also conclusion drawing and verification. The study result indicated that forest is owned by the local community based upon the customary law, and the state does not have the right to manage and claim forest ownership. In terms of the economic aspect, the community benefited greatly from wood availability in the forest as the source of income. According to the local community, the conversion of forests into plantation did not have a significant effect on the environment. In fact, the local community agreed that land-use change from forest to plantation will provide greater benefit than preserving the forest. The expansion of plantation was found to be the motive for land clearance by cutting trees to obtain ownership over the forest.
Structure and composition of tree community in the upstream area of Batang Mahat Watershed, Lima Puluh Kota District, West Sumatra, Indonesia RENI EKAWATY; YONARIZA YONARIZA; ERI GAS EKAPUTRA; ARDINIS ARBAIN
Biodiversitas Journal of Biological Diversity Vol. 23 No. 2 (2022)
Publisher : Society for Indonesian Biodiversity

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13057/biodiv/d230210

Abstract

Abstract. Ekawaty E, Yonariza, Ekaputra EG, Arbain A. 2021. Structure and composition of tree community in the upstream area of Batang Mahat Watershed, Lima Puluh Kota District, West Sumatra, Indonesia. Biodiversitas 23: 687-696. Land-use change at the upstream area of Batang Mahat Watershed is assumed to cause flood during the rainy season and is related to vegetation community which has been heavily exploited. Information regarding the current vegetation condition in this area has never been studied; therefore, this study aims to investigate the structure and composition of the tree community in the upstream area of Batang Mahat at Jorong Kubu Baru Nagari, Baruh Gunung, Bukit Barisan District. Furthermore, sampling was implemented using three 20x50 m belt-transects with 10 m intervals between each sample. The results showed 1) 116 identified and three unidentified tree samples belonging to 40 families; 2) The trees with the highest important value index (IVI) in transect 1 were Rhodoleia championii (63.339%) and Calophylum soulatteri (23.697%), in transect 2 Voacanga foetida (48.568%) and Schima wallichii (32.756%), and in transect 3 Schima wallichii (42.964%) and Voacanga foetida (40.713%); 3) The saplings with the highest IVI in transect 1 were Timonius sp. (33.111%) and Alstonia sp. (21.345%), in transect 2 Hancea pengangensis (24.551%) and Sterculia sp. (21.199%), as well as transect 3 Voacanga foetida (42.862%), and Macaranga lowii (30.844%); 4) Both vegetation categories have considerably high diversity (H’ tree 3.13-3.2, H’ saplings 3.04-3.36), and were moderately distributed across studied transects (E1 = 2.025, E2 = 2.089, E3 = 2.016). From the results, it can be concluded that the forest in the upstream area of the Batang Mahat watershed, which was located in Jorong Kubu Baru, Nagari Baruh Gunung, was still in the good category.
Assessing local farmer’s perspectives on the role of bat in providing ecosystem services in the Batang Toru ecosystem, North Sumatra, Indonesia HAMID ARRUM HARAHAP; YONARIZA YONARIZA
Biodiversitas Journal of Biological Diversity Vol. 23 No. 8 (2022)
Publisher : Society for Indonesian Biodiversity

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13057/biodiv/d230857

Abstract

Abstract. Harahap HA, Yonariza. 2022. Assessing local farmer’s perspectives on the role of bat in providing ecosystem services in the Batang Toru ecosystem, North Sumatra, Indonesia. Biodiversitas 23: 4322-4328. Bats play an important role as pollinators in maintaining the ecosystem services and improving the local economy in Batang Toru Ecosystem (BTE). However, the anthropogenic impacts negatively affect their sustainability, making the evaluation of their services increasingly needed. This study was conducted to examine the local farmers’ action against bats in BTE. The objectives were to analyze: (1) farmers’ knowledge of the role of bats in ecosystem services, (2) the perception of bats, (3) awareness of bat population loss and its impact on durian production, and (4) farmers' actions against bats on their land. The results showed that 1 out of 7 farmers exhibited negative actions toward bats in their agroforest lands. They also had significantly low knowledge about bat services in agroforestry. Most farmers regarded bats as meat for food and medicine rather than as pollinators of durian fruits. We recommend that the government and conservation institutions carry out initiatives to educate farmers regarding the importance of bat services, and conservation efforts should be made to maintain the viable population of bats.
Effect of farmer's behavior in cocoa management on insect diversity in Salayo Cocoa Plantation, West Sumatra, Indonesia Siska Rosalia; Yonariza Yonariza; My Syahrawati
Biodiversitas Journal of Biological Diversity Vol. 23 No. 10 (2022)
Publisher : Society for Indonesian Biodiversity

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13057/biodiv/d231013

Abstract

Abstract. Rosalia S, Yonariza, Syahrawati M. 2022. Effect of farmer's behavior in cocoa management on insect diversity in Salayo Cocoa Plantation, West Sumatra, Indonesia. Biodiversitas 23: 5064-5073. The behavior of farmers in cocoa cultivation will affect the cocoa (Theobroma cacao) plantation environment and all living things in it, including insects. Disruption of insect diversity will also affect the ecosystem services insects provide, especially those related to improving the quality and quantity of agricultural products, especially cocoa. This study aimed to determine and analyze the diversity of insects in cocoa plantations and the role of insects in the ecosystem. This research was carried out at the Salayo Cocoa Plantation, a small-scale farmers' cocoa plantation in Nagari Salayo, Kubung District, Solok Regency, and the Bioecology Laboratory, Plant Protection Department, Faculty of Agriculture, Andalas University, from July to October 2021. Insect collection was carried out using pitfall traps, yellow sticky traps, light traps, and spraying with insecticides. Insect sampling was carried out three times. The results showed that in cocoa plantations in Nagari Salayo, Kubung District, Solok Regency, insects from 12 orders, 31 families, and 58 species with a total number of 750 individuals were found, and insect diversity was in the range of 1-3322. Based on their role, the collected insects can be divided into pests, decomposers, pollinators, predators, parasitoids, and neutral insects. The richness and abundance of herbivores were lower than carnivores (predators and parasitoids). The predators with the highest number were Formicidae (Hymenoptera). Good farmer behavior in managing the cocoa plantation can maintain insect diversity and the sustainability of ecosystem services provided by insects.
Co-Authors Abdul Mutolib Ali Rahmat Amrina, Elita Ananda Syahputra ARDINIS ARBAIN Ardinis Arbain Astuti, Nuraini Budi Cut Mutiani Debby Okti Maharani Doki Wardiman Dwi Yuzaria Ekaputra, Eri Gas ERI GAS EKAPUTRA Ernita Arief Erwin Erwin Filya Hidayati Firdawati Firdawati Fuji Astuti Febria HAMID ARRUM HARAHAP Hardisman Hasnah Hasnah HELVI YANFIKA Helvi Yanfika Ifdal Ifdal Isyaturriyadhah Isyaturriyadhah Jabang Nurdin Khariena Armanda Khoirul Anam Kordiyana K Rangga Mahdi Mahdi Masrul Djalal My Syahrawati Mya Novita Sari Nofialdi, Nofialdi Novizar Nazir Nur Indrawati Lipoeto Purnawan Purnawan R Hanung Ismono R. Rudy Ramadhani, Winih Sekaringtyas RENI EKAWATY Reni Ekawaty Rian Hidayat Rika Hariance Rosfita Rasyid Rudi Febriamansyah Rusnam Rusnam Sirajul Fuad Zis Sirajul Fuad Zis Siska Rosalia Sri Melda Br Bangun Sri Setiawati Sri Wahyuni Suresman Riad Tanjung, Hery Bachrizal Yuerlita Yulistriani, Yulistriani Yurike Yurike Yusmarni Yusmarni