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All Journal HAYATI Journal of Biosciences Jurnal Ilmu Dasar BIOEDUKASI
Hari Sulistyowati
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Control & Systems Engineering Earth & Planetary Sciences Education Environmental Science Library & Information Science Mathematics

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Status Analysis of Flora from ”Cagar Alam – Pulau Sempu”, Malang Hari Sulistyowati
Jurnal ILMU DASAR Vol 9 No 1 (2008)
Publisher : Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (76.945 KB)

Abstract

The Natural reserve of Sempu Island is one of protected areas in East Java. There are many endemic flora and fauna of Tropical Rain Forest. However, there is a rumor that the government will use this protected area as a County Jail. Based on this condition, it is important to investigate specifically the flora status of Sempu Island. The result can be used to give a lot of information about the endemic, existence, list of endangered, uniqueness, and also qualification values of the flora of Sempu Island as Biodiversity Species Richness of East Java and Indonesia. The plotting method of 1×1m2 , 5×5m2, and 10×10m2 were used to get the sample data of herbs, shrubs, and trees. The plots were placed systematically along transects. The result shows that 54.54% qualification values among the fifty five flora of Sempu Island were unique, 32.73% were very unique, and the rest were enough. Meaning, most of the flora was species that have high endangered and endemicness levels. Based on the IUCN (International Union for Conservation of Nature and Natural Resources) procedure conservation, therefore entire flora must be protected and conserved. Furthermore, the reserved island could not be converted as a County Jail. 
Sustaining Biodiversity and Ecological Roles in a Heritage Landscape: The Role of Coffee Agroforestry in Kluncing, Indonesia Kurnianto, Agung Sih; Dewi, Nilasari; Sulistyowati, Hari; Siddiq, Arif Mohammad; Ratnasari, Tri; Khowatini, Husnul; Yulianto, Roni; Firdaus, Anggun Sausan
HAYATI Journal of Biosciences Vol. 32 No. 2 (2025): March 2025
Publisher : Bogor Agricultural University, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.4308/hjb.32.2.459-471

Abstract

This study investigates the role of coffee agroforestry in sustaining biodiversity and ecosystem functions in Kluncing, Ijen, Indonesia. By quantifying bird, butterfly, and coffee insect diversity using the Shannon-Wiener index, it evaluates ecological dynamics and their implications for sustainable land management. Bird communities demonstrated the highest diversity (2.911), indicating ecosystem stability, while butterflies (2.481) and coffee insects (1.841) exhibited lower diversity, reflecting habitat and resource limitations. Trophic network modeling using NetworkX identified keystone species like Collocalia linchi (21.9% relative abundance) among birds and the Formicidae family (29.8% relative abundance) among coffee insects, emphasizing their critical roles in ecosystem balance. Canonical Correspondence Analysis (CCA) highlighted the influence of environmental factors on species distribution. Species such as Ariadne ariadne and Delias belisama were sensitive to humidity and temperature, while Collocalia linchi favored areas with higher light intensity. The findings underscore the importance of tailored management practices to address species-specific responses to microclimatic variations. Sustainable agroforestry management is vital for preserving biodiversity, maintaining ecosystem stability, and ensuring agricultural productivity. This study also highlights challenges posed by habitat degradation and climate change, emphasizing the need for adaptive strategies to safeguard this unique agroforestry landscape.
Assessing The Javan Leopard Presence and Prey Abundance: Insights from Camera Trap Surveys in Meru Betiri National Park East Java Indonesia Kholiq, Nur; Sulistyowati, Hari; Tabah Wibisono, Hariyo; Asmoro Lelono; Retno Wimbaningrum; Sattya Arimurti; Arif Mohammad Siddiq; Adi Sucipto
BIOEDUKASI: Jurnal Biologi dan Pembelajarannya Vol. 23 No. 2 (2025)
Publisher : PROGRAM STUDI PENDIDIKAN BIOLOGI FAKULTAS KEGURUAN DAN ILMU PENDIDIKAN UNIVERSITAS JEMBER

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19184/bioedu.v23i2.53715

Abstract

The use of incomplete or imbalanced data in ecological modelling and conservation planning can lead to inaccurate predictions due to limitations in detection methods. Therefore, obtaining comprehensive and precise empirical data on species presence and availability, particularly prey species is essential. This study aims to: (1) identify the presence of Javan leopards and their potential prey species, and (2) estimate the relative abundance indices (RAI) of each prey species. Using camera trap data from the Meru Betiri National Park (MBNP) survey conducted in 2024, we recorded 24 species, including the Javan leopard, and identified seventh potential prey species. We estimated relative abundance of each potential prey species was determined by dividing the number of individuals recorded in independent photos or videos by the total number of trap days and multiplied by 100. The result of RAI analysis indicated that the most abundant prey species in the study area was the long-tailed macaque, with an RAI value of 44.16 individuals per 100 trap-days, banteng was the least frequently detected species, appearing in only three independent images, with an RAI value of 0.23. The presence of Javan leopards, a charismatic flagship species, highlights the ecological significance of this area and provides valuable data for biodiversity management, serving as a foundation for future research and conservation efforts.
Co-Authors Adi Sucipto, Adi Agung Sih Kurnianto Arif Mohammad Siddiq Arif Mohammad Siddiq Dewi, Nilasari Firdaus, Anggun Sausan Kholiq, Nur Khowatini, Husnul Lelono, Asmoro Ratnasari, Tri Sattya Arimurti Tabah Wibisono, Hariyo Wimbaningrum, Retno Yulianto, Roni