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All Journal Journal of Tropical Life Science : International Journal of Theoretical, Experimental, and Applied Life Sciences Prosiding Seminar Nasional Pengabdian Kepada Masyarakat Advance Sustainable Science, Engineering and Technology (ASSET)
Nia Kurniawan
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Agriculture, Biological Sciences & Forestry Humanities Chemistry Computer Science & IT Control & Systems Engineering Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Environmental Science Industrial & Manufacturing Engineering Public Health Other

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Morphometric Analysis of Local Fish from Banyu Biru Lake, Pasuruan Compared with Closely Related to Tor spp. from Indonesia Dwi Anggorowati Rahayu; Endik Deni Nugroho; Rodliyati Azrianingzih; Nia Kurniawan; Haryono Haryono
Journal of Tropical Life Science Vol. 3 No. 3 (2013)
Publisher : Journal of Tropical Life Science

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Abstract

Banyu Biru is a natural lake in Sumber Rejo Village, Winongan District, Pasuruan Regency. There are local fishes in the Banyu Biru called sengkaring and tambra. Biological studies on these fishes are not so much known. This study aims to identify the relationship of sengkaring and tambra compared with the related species ( Tor spp.: Cyprinidae) from Indonesia. Morphometric analysis can be used to clustering and understanding the relationship of taxa. Each species represents 17 specimens (Tambra and Sengkaring) and measured 22 characters (in mm) by using digital caliper and the additional characters (21 characters). The canonical, clustering, similarity and distances were used. Based on morphometric measurements, sengkaring and tambra had similarity with the four species found in Indonesia. Commonly, the population of Sengkaring and Tambra was critical; therefore, studies needed to be carried out to support conservation.
The Threat of Appendix CITES-Listed Turtles Harvesting in Central Borneo and South Sumatra Muhammad Alif Fauzi; Amir Hamidy; Mumpuni Mumpuni; Nia Kurniawan
Journal of Tropical Life Science Vol. 10 No. 3 (2020)
Publisher : Journal of Tropical Life Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11594/jtls.10.03.05

Abstract

Exploitation freshwater turtle for local consumption, medicine, and pet in several parts in Asia caused the declining populations in the wild. The purpose of this study is to evaluate of turtle harvest that listed in Appendix CITES in South Sumatra and Central Borneo. We reported the trading network of the three most exploited turtle species in South Sumatera and Central Borneo. We visited the largest middleman in the two provinces and collect the data that comprises the harvest number, prices, trade flow, catching area, and the level of harvest for local consumption. During our survey in Sampit (Central Borneo) (one week in April 2019), we recorded 667 kg of turtles were sent to a middleman and harvested from Jemaras and Sembuluh district. This amount comprises 549 individuals of Cuora amboinensis, 173 Siebenrockiella crassicollis, and one individual of Cyclemys dentata. Contrary to that, in Palembang, we did not find any delivery of turtle from the hunters. However, 387 individuals of C. amboinensis and 132 individuals of S. crassicollis were found in a middleman pool. We also recorded that local people in Central Borneo consumption of turtle meat. The national quota of C. amboinensis in Central Borneo and South Sumatra are 1700 and 2000 individuals for 2019. The national quota of S. crassicollis in South Sumatra is 500 individuals, while Central Borneo does not have any quota for this species. The realization of these wild-caught turtles indicates an over harvesting beyond the annual harvest quota. Moreover, the two middlemen are indicated to carry illegal carapace trading, although the scientific authority recommended to ban the carapace trade.
The Correlation of Avifauna Diversity and Its Habitat: An Observation Study at Mount Kawi Slope Waterfall, East Java: Correlation of Avifauna Diversity and Its Habitat Lutfita Fitriana; Nia Kurniawan; Amin Setyo Leksono
Journal of Tropical Life Science Vol. 14 No. 1 (2024)
Publisher : Journal of Tropical Life Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11594/jtls.14.01.11

Abstract

Avifauna inhabiting mountain forest ecosystems on Java Island face severe threats from anthropogenic disturbances. Despite this, the diversity of avifauna in specific areas, such as the Hutan Lindung Pegunungan Putri Tidur (HLPPT) on the slopes of Mount Kawi, remains poorly monitored. This study focuses on assessing avifauna diversity and communities in the tourist area of Mount Kawi slope waterfalls, situated on both the southeast side in Malang Regency and the north side in Batu City. The research, conducted from January to March 2022, examined eight waterfall locations (Baung, Glotak, Luksongo, Parangtejo, Manten, Tengah, Rondo, and Sumberpitu) using the roaming method with Visual Encounter Survey (VES) and Audiovisual Encounter Survey (AES) techniques. Data analysis included considerations of conservation status, local distribution, feed specialists, diversity indices (Taxa Richness, Shannon-Wiener Diversity Index (H’), Simpson Index (D), Evenness Index (E)), and Important Value Index (IVI) as an assessment of avifaunal diversity. Researchers employed Microsoft Excel and Principal Component Analysis (PCA) to determine preferences for each character diversity index and abiotic factors in each location. Across the site, 84 species from 33 families were identified. Notably, seven species were classified as at risk (4 near-threatened, two vulnerable, and one endangered), and nine avifauna were protected. The correlation of avifauna diversity to biotic and abiotic factors was positive. These results provide essential data for further conservation management, emphasizing the protection of the forest area, tourists, waterfalls, and slopes of Mount Kawi. Additionally, studying spatial and temporal distribution is crucial for future avifauna species re-inventory efforts.
PEMBINAAN SEKOLAH BERBUDAYA LINGKUNGAN UNTUK MENDUKUNG PROGRAM ADIWIYATA DI WILAYAH BALI BARAT Amin Setyo Leksono; Bagyo Yanuwiadi; Zulfaidah Penata Gama; Nia Kurniawan; Muhammad Imam; Elan Herlina
Prosiding Seminar Nasional Pengabdian Kepada Masyarakat Vol. 4 (2023): PROSIDING SEMINAR NASIONAL PENGABDIAN KEPADA MASYARAKAT - SNPPM2023
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat Universitas Negeri Jakarta

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Abstract

Abstract Community service activities have been carried out in the West Bali Region. Several schools in the western part of Bali, including Buleleng and Jembrana Regencies, still have not received an Adiwiyata school award. Community service activities were carried out offline with the target group being biology teachers and students from Buleleng and Jembrana Regencies. This activity aims to a) Increase the understanding of teachers and students regarding environmental culture and the independent curriculum to support Adiwiyata schools; b) Increase teacher awareness for the implementation of an independent curriculum to support environmental culture. Participants in the activity consisted of teachers and students. The method of implementing the activities is carried out by surveiing and inventorying problems, interviews, lectures and discussions as well as simulations. Participants in the activity totaled 70 people divided into several topics. Of the 70, 20 of them studied the topic of Adiwiyata schools. The average age of the respondents is 41-50 years, with an undergraduate education level. The level of understanding from the majority knowing little (71%) increased to very knowing (57%). The satisfaction level reached more than 80%, and all participants were willing to follow up on the understanding that had been obtained to develop environmentally cultured schools in the West Bali region. Abstrak Kegiatan pengabdian masyarakat telah dilaksanakan di Wilayah Bali Barat. Bebeapa sekolah di wilayah Bali bagian barat termasuk Kabupaten Buleleng dan Jembrana, masih banyak yang belum mendapat penghargaan sekolah adiwiyata. Kegiatan pengabdian pada masyarakat yang dilaksanakan secara luring dengan target kelompok sasarannya adalah guru bidang biologi dan siswa dari Kabupaten Buleleng dan Jembrana. Kegiatan ini bertujuan untuk a) Meningkatkan pemahaman guru dan siswa mengenai mengenai budaya lingkungan dan kurikulum merdeka untuk mendukung sekolah adiwiyata; b) Meningkatkan kesadaran guru untuk penerapan kurikulum merdeka untuk mendukung budaya lingkungan. Peserta kegiatan terdiri dari guru dan siswa. Adapun metode pelaksanaan kegiatan dilakukan dengan survei dan inventarisasi masalah, wawancara, ceramah dan diskusi serta simulasi. Peserta kegiatan berjumlah 70 orang yang terbagi dalam beberapa topik. Dari 70, 20 diantaranya mendalami topik tentang sekolah adiwiyata. Usia responden rata-rata 41-50 tahun, dengan tingkat pendidikan sarjana. Tingkat pemahaman dari mayoritas sedikit tahu (71%) meningkat menjadi sangat mengetahui (57%). Tingkat kepuasan mencapai lebih dari 80%, dan seluruh perserta bersedia untuk menindaklanjuti pemahaman yang telah diperoleh untuk mengembangkan sekolah berbudaya lingkungan di wilayah Bali Barat.
The Correlation of Avifauna Diversity and Its Habitat: An Observation Study at Mount Kawi Slope Waterfall, East Java: Correlation of Avifauna Diversity and Its Habitat Lutfita Fitriana; Nia Kurniawan; Amin Setyo Leksono
Journal of Tropical Life Science Vol. 14 No. 1 (2024)
Publisher : Journal of Tropical Life Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11594/jtls.14.01.11

Abstract

Avifauna inhabiting mountain forest ecosystems on Java Island face severe threats from anthropogenic disturbances. Despite this, the diversity of avifauna in specific areas, such as the Hutan Lindung Pegunungan Putri Tidur (HLPPT) on the slopes of Mount Kawi, remains poorly monitored. This study focuses on assessing avifauna diversity and communities in the tourist area of Mount Kawi slope waterfalls, situated on both the southeast side in Malang Regency and the north side in Batu City. The research, conducted from January to March 2022, examined eight waterfall locations (Baung, Glotak, Luksongo, Parangtejo, Manten, Tengah, Rondo, and Sumberpitu) using the roaming method with Visual Encounter Survey (VES) and Audiovisual Encounter Survey (AES) techniques. Data analysis included considerations of conservation status, local distribution, feed specialists, diversity indices (Taxa Richness, Shannon-Wiener Diversity Index (H’), Simpson Index (D), Evenness Index (E)), and Important Value Index (IVI) as an assessment of avifaunal diversity. Researchers employed Microsoft Excel and Principal Component Analysis (PCA) to determine preferences for each character diversity index and abiotic factors in each location. Across the site, 84 species from 33 families were identified. Notably, seven species were classified as at risk (4 near-threatened, two vulnerable, and one endangered), and nine avifauna were protected. The correlation of avifauna diversity to biotic and abiotic factors was positive. These results provide essential data for further conservation management, emphasizing the protection of the forest area, tourists, waterfalls, and slopes of Mount Kawi. Additionally, studying spatial and temporal distribution is crucial for future avifauna species re-inventory efforts.
Predicting Habitat Suitability of Mahseer Fish (Tor spp.) in Tropical River Systems Using MaxEnt and Google Earth Engine: A Geospatial Modeling Approach Jefri Permadi; Nia Kurniawan; Diana Arfiati; Agung Pramana Warih Marhendra
Advance Sustainable Science Engineering and Technology Vol. 7 No. 3 (2025): May - July
Publisher : Science and Technology Research Centre Universitas PGRI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26877/asset.v7i3.2201

Abstract

Rivers are vital freshwater habitats that face threats of degradation and climate change. Mahseer fish, a key species, is in decline. This study predicted Mahseer fish habitats in Central Java using the Google Earth Engine and the MaxEnt machine learning algorithm. Environmental predictors, including NDVI, elevation, slope, river order, temperature, and rainfall, were extracted from Sentinel, SRTM, MODIS, and CHIRPS data. The model identified river order as the most influential variable (73%), followed by elevation (18%) and rainfall (8%), with an AUC score of 0.7, indicating fair accuracy. Suitable habitats were located in upstream river orders (1–3), typically at higher elevations. These findings provide spatial guidance for conservation planning, such as identifying critical habitats, prioritizing upstream areas, and establishing seasonal fishing ban. This approach supports biodiversity protection and aligns with the Sustainable Development Goals by offering a scalable tool for freshwater ecosystem management. Using MaxEnt with GEE shows promise for rapid, and cost-effective species distribution modeling in data-limited tropical regions.
Co-Authors Agung Pramana Warih Marhendra Amin Setyo Leksono Amir Hamidy Bagyo Yanuwiadi Diana Arfiati Dwi Anggorowati Rahayu Elan Herlina Endik Deni Nugroho Haryono Haryono Jefri Permadi Lutfita Fitriana Muhammad Alif Fauzi Muhammad Imam Mumpuni Mumpuni Rodliyati Azrianingzih Zulfaidah Penata Gama