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All Journal Indonesian Journal of Conservation Jurnal Pengabdian Kepada Masyarakat Sakai Sambayan JSW (Jurnal Sosiologi Walisongo) BIOPROSPEK Jurnal Komputasi MAHESA : Malahayati Health Student Journal MAKILA: Jurnal Penelitian Kehutanan Jurnal Sylva Lestari JURNAL HUTAN TROPIS Repong Damar: Jurnal Pengabdian Kehutanan dan Lingkungan Jurnal Rimba Lestari Global Forest Journal Journal of People, Forest And Environment Jurnal Pengabdian Fakultas Pertanian Universitas Lampung Forest and Nature
Bainah Sari Dewi
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Pengaruh Vegetasi pada Tipe Habitat Monokultur Kopi, Agroforestri berbasis Kopi, dan Hutan terhadap Keanekaragaman Jenis Burung di Blok Pemanfaatan, KPH Batutegi Iswandaru, Dian; Pardede, Lusiana Br.; Fitriana, Yulia Rahma; Darmawan, Arief; Kaskoyo, Hari; Wulandari, Christine; Herwanti, Susni; Novriyanti, Novriyanti; Febryano, Indra Gumay; Safe’i, Rahmat; Dewi, Bainah Sari
MAKILA Vol 19 No 2 (2025): Makila : Jurnal Penelitian Kehutanan
Publisher : Universitas Pattimura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30598/makila.v19i2.22158

Abstract

Bird habitat use is closely linked to survival, reflecting reciprocal interactions between avifauna and vegetation structure within managed landscapes. Coffee monoculture, coffee-based agroforestry, and community-managed forests represent land-use systems with varying capacities to support bird communities in the Utilization Block of the Batutegi Forest Management Unit (KPH Batutegi), Lampung, Indonesia. This study aimed to assess bird species diversity, species similarity, feeding guild composition, and the influence of vegetation and environmental variables across these habitat types. Bird surveys were conducted using the point count method, complemented by quantitative analyses of vegetation structure and environmental factors. Results indicate that the highest bird species diversity occurred in forest habitats (H′ = 2.490), while the greatest species similarity was observed between forest and coffee monoculture habitats (J = 0.464). Across all land-cover types, bird communities were dominated by insectivorous feeding guilds, accounting for 55% in coffee-based agroforestry, 44% in forest habitats, and 42% in coffee monoculture systems. Multivariate regression analyses revealed that vegetation attributes (diversity and density) and environmental variables (altitude, slope, temperature, and humidity) did not exert a significant influence on bird diversity. This pattern is attributed to pervasive anthropogenic pressures, including land-use homogenization, forest modification, and ongoing human disturbance. These findings underscore the need for systematic monitoring and improved land-management practices to mitigate anthropogenic impacts and enhance the ecological function of coffee-based landscapes and forest habitats in supporting avian biodiversity.
Thermochemical Conversion of Rubber Wood Pellets via Downdraft Gasification: Syngas Composition, Heating Value Trends, and By-Product Characterization Hutasoit, Wana Putri Anastasya; Park, Bugae; Dewi, Bainah Sari; Hidayat, Wahyu
Forest and Nature Vol. 1 No. 4 (2025): October
Publisher : Green Insight Solutions

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.63357/fornature.v1i4.30

Abstract

The increasing global energy demand, coupled with declining fossil fuel reserves, is driving the development of biomass-based renewable energy. Rubber wood (Hevea brasiliensis) is a potential biomass source due to its abundant availability from the rejuvenation of community gardens. This study aims to analyze the energy characteristics of rubber wood pellets as biomass fuel, analyze the composition of synthesis gas (syngas) and lower heating value (LHV), and the characteristics of ash (residue from the gasification process) using a downdraft gasifier. The study was conducted at the Forest Products Technology Laboratory, Faculty of Agriculture, University of Lampung, using 20 kg of rubber wood pellets as the raw material. The gasification procedure progresses through four fundamental stages, including drying, pyrolysis, combustion, and reduction, which are conducted within a downdraft gasifier system. Syngas analysis was performed using a portable infrared syngas analyzer (Gasboard G3100-P) to determine the concentrations of CO, CO2, CH4, H2, and O2. The results showed that the average composition of the syngas produced was 17.98% CO, 8.58% CO2, 1.57% CH4, 10.04% H2, and 1.78% O2. The average calorific value (LHV) was 725.81 kcal/m3 with a range of 690–775 kcal/m3. The proximate analysis results showed a moisture content of 10.93%, volatile matter 74.37%, ash content 8.60%, and fixed carbon of 6.20% in the pellet biomass, while the ash (by-product) had a moisture content of 9.58%, volatile matter 14.42%, ash content 71.61%, and fixed carbon 4.37%. The composition of the syngas produced was within the ideal range for a downdraft, indicating that rubber wood pellets have high potential as a biomass-based renewable energy fuel.
Co-Authors . Wamiliana 2016_Monica destia Ade Irma Suryani Afif Bintoro AGUS SETIAWAN Agus Setiawan Akhmad Kamaluddin Al Ikhsan, Ahmad Amallia, Citra Andari Mahardika Putri Andrian Dwi Atmanto Anita Febrina, Anita Anwar, Khoironi Arief Darmawan Arief Darmawan Aris Hidayat Arsan, Zulfi Asep Sukohar Athaya Talitha Siti Awaliah Atiqoh, Nur Qurrotun Nabilah Berlian, Ajeng Candra Murty Ayuningtyas Ceng Asmarahman Christine Wulandari Cristi, Engelia Dea Andhari Resphaty, Dea Dewi Sri Wahyuni Dian Iswandaru Dila, Riska Rahma Duryat Duryat, Duryat Dyan Shandy Utama Edo Firnanda, Edo Esanur Octarin Evi Damayanti, Evi Fadhila, Safira Cahya Fatmawati, Nimas Ayu Firdaus, Rendi Fitriana, Yulia Rahm Fitriana, Yulia Rahma Frans Hamonangan Nainggolan Gayatri, Komang Intan Gdemakarti, Yoshua Gultom, Eklesia Armauly Gunardi Djoko Winarno Gusmalinda, Rita Habibi, Muhammad Hadi Harahap, Eka Septiani Harianto, Sugeng P. Harianto, Sugeng Prayitna Harianto, Sugeng Prayitno Hartawan, Novguli Aldy Hidayat, Apri Huda, Robithotul Hutasoit, Wana Putri Anastasya I GEDE SWIBAWA, I GEDE Imam Adhi Wijaya Indra Gumay Febryano Ismail Isnawati, Emi Isnawati Iswandaru, Dian Iwai, Noriko Kamaluddin, Akhmad Kamaluddin, Akhmad Kaskoyo, Hari Kornelius Siahaan Kurniasari, Nanda Kurniawaty, Evi Kuswandono Lasmaria, Febby Lasmaria Lusmeilia Afriani Lu’luah, Sau San Manaf, Latifah Abd. Mantika Lestari Masruri, Niskan Walid Matondang, Nora Fery Melya Riniarti Moch Herman Surya Monica destia Nabila Alfalasifa Naradia Ayu Kartika Nedi Nimas Ayu Fatmawati Niskan Walid Masruri Novandra, Dion Novriyanti Novriyanti Nuning Nurcahyani Nur Arif Rohman Nurjanah, Siti Neneng Octavia, Anggi Panjerrino, Yoshua Gdemakarti Pardede, Lusiana Br. Park, Bugae Prasetyo, Dendy Pratama, Ajjun Sayhel Nanda Puja Anggriana Purwatmiyanti, Sri Putra, Albar Bagas Putra, Aldi Alhamda Putra, Muhammad Faiq Khairy Rahmat Safe'i Ranti, Shafa Fauzia Redi Mutama Rhezandhy Gunawan Ricat Rawanda Riyanto Rodiani, Rodiani Rohany Yanti Sihite Rohman, Nur Arif Rohman, Widodo Arif Rommy Qurniati Rudi Hilmanto Rudi Hilmanto Rusita rusita rusita Salsabila, Sahda Samsul Bakri Santoso, Trio Saturnino Xavier Sectionov, Sectionov Sigit Prayogi Sihaloho, Intan Ambarsari Sitompul, Ferdynan Sitompul Slamet Budi Yuwono Subagio, Aris SUGENG HARIANTO Sugeng p Harianto Sugeng P. Harianto Sugeng P. Hariyanto Sugeng Prayitno Harianto Sugiharti, Tri Surnayanti Surnayanti Susi Indriyani Susni Herwanti Takahashi, Tasuku Tokita, Norio Toriqoh, Jamilatut Trislina Handayani Tsani, Machya Kartika Turnip, Henni Turnip Violita, Cindy Yoeland Wahyu Hidayat Wahyu Hidayat Wibowo, Novita Wijayanti, Rizky Kusuma Winarno, Gunardi Djoko Winarti, Indah Wulandari, Christin Yulia Rahma Fitriana Yuliansjah, Fachrezy Zania, Azalia