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DIVERSITY OF MIGRATORY BIRDS IN SEVERAL TYPES OF WETLANDS (CASE STUDY IN SUMBERNADI VILLAGE, SOUTH LAMPUNG REGENCY) Iswandaru, Dian; Maharany, Octavia Widya
Jurnal Nusa Sylva Vol. 25 No. 2 (2025): JURNAL NUSA SYLVA
Publisher : Universitas Nusa Bangsa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31938/jns.v25i2.924

Abstract

Bird migration is a natural phenomenon that plays a crucial role in maintaining global ecosystem balance. One of the most notable groups involved in this phenomenon is migratory waterbirds, which depend on wetlands as resting, feeding, and breeding sites during their migration period. This study aims to analyze the ecological indices of migratory birds, including species diversity, richness, evenness, abundance, and dominance, across various wetland types in Sumbernadi Village, South Lampung Regency. Data were collected from November to December 2024 using the point count method at six observation points representing four wetland types: mangrove, mudflat, fishpond, and rice field. The results recorded nine migratory bird species from three families, with the highest diversity observed in mudflats (H' = 1.958) and the lowest in mangroves (H' = 0.637). The Scolopacidae family dominated in terms of both abundance and distribution. Environmental factors, including food availability, vegetation structure, and human disturbance, influenced differences in diversity among habitats. These findings suggest that the wetlands in Sumbernadi Village provide vital ecological habitats for migratory birds. Therefore, sustainable management and conservation efforts are crucial for preserving the environmental functions of these wetlands and supporting the continuity of migratory bird populations in the region.
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.