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All Journal MEDIA KONSERVASI Biota: Jurnal Ilmiah Ilmu-Ilmu Hayati Jurnal Pengelolaan Sumberdaya Alam dan Lingkungan (Journal of Natural Resources and Environmental Management) JURNAL BIOLOGI INDONESIA
Yeni A. Mulyani
Unknown Affiliation
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Earth & Planetary Sciences Education Environmental Science

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Komposisi Guild dan Lebar Relung Burung Strata Bawah di Sipisang, Sumatera Barat Wilson Novarino; Ani Mardiastuti; Lilik B. Prasetyo; Reviany Widjakusuma; Yeni A. Mulyani; Hiroshi Kobayashi; Anas Salsabila; Jarulis Jarulis; M. Nazri Janra
Biota : Jurnal Ilmiah Ilmu-Ilmu Hayati Vol 13, No 3 (2008): October 2008
Publisher : Universitas Atma Jaya Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24002/biota.v13i3.2569

Abstract

Guild composition and niche breadth are important point on avian studies. This paper describes the guild composition and niche breadth of understorey bird in Sipisang, West Sumatra. The study was conducted since May 2002 until October 2004 for approximately 10 days each month (totally 284 days or 51.120 net.hours). Fifteen mist nets were operated on ground level separately on three locations, which made 60 m line each. Mist nets were operated from 6.00 AM until 18.00 PM, and checked every two hours. The captured birds were identified, ringed, measured, weighted, photographed and released. In total 1061 individuals were captured during the study; those birds belong to 103 Species and 28 families. Based on guild, study area was dominated by insectivore-frugivore birds (IF) both in species and individual level. Meanwhile terrestrial frugivorous (TF) became the lowest one. Insectivore-frugivore also recorded has the broadest niche breadth. The bird communities dominated by small birds, which have weight lower than 30 g.
Land-cover Dynamics and Oriental Honey-buzzard Winter Habitat Preference in Borneo, Indonesia Meirani, Utami; Prasetyo, Lilik Budi; Mulyani, Yeni A.; Syartinilia; Higuchi, Horoyoshi
Jurnal Pengelolaan Sumberdaya Alam dan Lingkungan (Journal of Natural Resources and Environmental Management) Vol 15 No 1 (2025): Jurnal Pengelolaan Sumberdaya Alam dan Lingkungan (JPSL)
Publisher : Pusat Penelitian Lingkungan Hidup, IPB (PPLH-IPB) dan Program Studi Pengelolaan Sumberdaya Alam dan Lingkungan, IPB (PS. PSL, SPs. IPB)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/jpsl.15.1.111

Abstract

Migrasi merupakan bagian dari adaptasi perilaku individu terhadap perubahan lingkungan musiman. Migrasi dapat memberikan keuntungan bagi organisme yang dihadapkan pada perubahan sumber daya yang terbatas secara berkala. Pulau Borneo adalah salah satu tujuan migrasi musim dingin bagi Oriental Honey-buzzard di Indonesia. Dampak antara deforestasi, industrialisasi, dan urbanisasi telah menempatkan Kalimantan pada kondisi kritis. Pulau Borneo telah mengalami fragmentasi habitat yang disebabkan oleh faktor-faktor ini. ARGOS adalah alat pelacakan satelit yang telah digunakan untuk memantau pergerakan dan perilaku Oriental Honey-buzzard sejak tahun 2003. Tiga individu telah diselidiki dalam studi ini untuk menentukan respons terhadap perubahan tutupan lahan yang terjadi di Borneo pada tahun 2003, 2006, dan 2009. Kompleksitas ekologi dan hubungan antara spesies dan lingkungan yang mendukung respons Oriental Honey-buzzard dipaparkan dalam studi ini. Analisis respons menunjukkan bahwa Oriental Honey-buzzard lebih sering ditemui di area berhutan di Borneo daripada di 11 area tutupan lahan lainnya selama tiga tahun 2003, 2006, dan 2009. Durasi waktu yang dihabiskan di area berhutan secara konsisten menunjukkan durasi kehadiran terpanjang, dengan durasi masing-masing sebesar 136,88 jam, 1121,17 jam, dan 1160,53 jam pada tahun 2003, 2006, dan 2009, secara berturut-turut. Durasi kehadiran terpendek terjadi di area mangrove dan rawa pada tahun 2003, 2006, dan 2009.
Characteristics of Javan Coucal (Centropus nigrorufus) Preferential Habitat in Wonorejo Surabaya Suwarti, Muji; Mulyani, Yeni A.; Kartono, Agus P.
Media Konservasi Vol. 23 No. 2 (2018): Media Konservasi Vol.23 No. 2 Agustus 2018
Publisher : Department of Forest Resources Conservation and Ecotourism - IPB University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (448.805 KB) | DOI: 10.29244/medkon.23.2.94-202

Abstract

Javan coucal (Centropus nigrorufus) is one of the endemic birds of Java that has limited distribution in coastal areas. This study aimed to determine the spatial distribution and habitat preference of javan coucal in Wonorejo Region, in the East Coast of Surabaya. The spatial distribution and habitat preference were analyzed using dispersion index (ID) and Jacob index respectively.  The results showed that Javan Coucal distribution was clumped, indicated by ID value > 1  for mangrove forests, inactive ponds and  active ponds. The Jacob index  (Dhi) were 0,75,  0,41 and  -0,68 for inactive ponds, mangrove forests and  active ponds, respectively. This result indicated that javan coucal preferred inactive ponds and the mangrove forests, and they tend to avoide active pond. The habitat factors affecting the javan coucal encounters were perch height (t=2,655; p=0,014), distance from coast (t=4,539; p=0,000) and air temperature (t=2,675; p=0,013). The regression equation was Y=67,041+0,678 (perch height) + 0,020 (distance from coast)-2,373(air temperature). Keywords: habitat preference, javan coucal, spatial distribution, Wonorejo
Bird Community in Six Successional Stages of Habitats in Manokwari, Papua Warmetan, Hermanus; Mulyani, Yeni A.; Mardiastuti, Ani; Rushayati, Siti B.
Media Konservasi Vol. 30 No. 2 (2025): Media Konservasi Vol 30 No 2 May 2025
Publisher : Department of Forest Resources Conservation and Ecotourism - IPB University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/medkon.30.2.322

Abstract

Succession after disturbance can affect the response of the bird community at each stage of habitat succession. Research on the impact of succession on birds has never been done in Papua, so this research is needed to understand how birds can survive habitat changes. This study aimed to analyze bird communities and their responses to successional stages of habitats, i.e., shrubs, agriculture, mixed plantation forest, young secondary forest, old secondary forest, and primary forest. Data collection was done from January 2023 to October 2023. Bird data (species and numbers) were collected using the point count method. Vegetation data (species and density) were collected by using the plot method, and abiotic data (air temperature, humidity, and light intensity) were collected using a dry-wet thermometer and a lux meter. The Shannon-Wiener diversity indices (H') were calculated for birds and trees. Correlation of the bird data against habitat and abiotic parameters was calculated. There were 11,272 birds from 55 species belonging to 25 families in the study area. The young secondary forest had the highest bird number and diversity (44 species; H' = 3,424), in line with the Intermediate Disturbance Hypothesis. Bird communities generally have a strong correlation with vegetation but a weak correlation with abiotic data. In light of conservation importance, young secondary forest held the highest bird species richness, while the primary forest provided habitat for some species that are highly dependent on natural forests.
The Habitat Suitability Modelling of Rhinoceros Hornbills (Buceros rhinoceros) in Java Island, Indonesia Setiawan, Taufik; Prasetyo, Lilik Budi; Mulyani, Yeni A.; Jarulis
Jurnal Pengelolaan Sumberdaya Alam dan Lingkungan (Journal of Natural Resources and Environmental Management) Vol 14 No 2 (2024): Jurnal Pengelolaan Sumberdaya Alam dan Lingkungan (JPSL)
Publisher : Pusat Penelitian Lingkungan Hidup, IPB (PPLH-IPB) dan Program Studi Pengelolaan Sumberdaya Alam dan Lingkungan, IPB (PS. PSL, SPs. IPB)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/jpsl.14.2.253

Abstract

Rhinoceros hornbills (Buceros rhinoceros) are a bird species belonging to the Bucerotidae family, which is vulnerable based on the IUCN red list of species. This is due to habitat fragmentation, which reduced the Rhinoceros hornbill habitat on Java. Efforts and strategies are needed to maintain Rhinoceros hornbill habitats. Information on the suitability of the Rhinoceros hornbill habitat on Java Island is required to develop a Rhinoceros hornbill conservation strategy. This study aimed to determine a habitat suitability model that produces the highest accuracy, analyze hornbill habitat suitability, and identify environmental variables that affect the existence of rhinoceros hornbills. Habitat suitability models were processed using three algorithms: random forest, support vector regression, and MaxEnt. The data used to model habitat suitability were presence and environmental variables. The model was evaluated using various accuracy measures, namely overall accuracy, sensitivity (sn), specificity (sp), Area Under Curve (AUC), and kappa coefficient. The resultsof model processing showed that the random forest algorithm produced the highest average accuracy of 0.74. The most important environmental variables for the habitat suitability model were the distance from the road (16.62%), distance from the forest (12.73%), and land cover (12.47%). The habitat suitability model was divided into three classes: low suitability, covering 75,048 km2 (55.94%); medium suitability, covering 52,911 km2 (39.44%); and high suitability, covering 6,213 km2 (4.63%). The results of the habitat suitability model showed that the habitat suitability class was the smallest in the area.
Co-Authors Abdul Vikar Agus P. Kartono Agus Priyono Kartono Anas Salsabila Ani Mardiastuti Elisabet RRB Hutabarat Higuchi, Horoyoshi Hiroshi Kobayashi Janra, M. Nazri Jarulis Jarulis Jarulis Lilik B. Prasetyo Lilik B. Prasetyo LILIK BUDIPRASETYO M. Nazri Janra Meirani, Utami Mirza D. Kusrini Nur Azmi Purnomo, Harri Purnomo, Harri Reviany Widjakusuma Rumblat, Walid Rushayati, Siti B. Sasi Kirono Sutopo . Suwarti, Muji Syartinilia . Tamnge, Fadila TATI NURHAYATI Taufik Setiawan Warmetan, Hermanus Widjakusuma, Reviany Wilson Novarino