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All Journal Journal of Tropical Biodiversity and Biotechnology Bioma : Jurnal Biologi Indonesia
Intani, Ratih Tryas
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Environmental Science Immunology & microbiology

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Notes on The Current Distribution and Abundance of The Frog Genus Leptophryne spp. (Anura: Bufonidae) in Gede Pangrango National Park Noer, Mohamad Isnin; Intani, Ratih Tryas; Prasetya, Priya Yuga; Lestari, Alvita Dwi; Darmawan, Boby
Journal of Tropical Biodiversity and Biotechnology Vol 8, No 3 (2023): December
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jtbb.84031

Abstract

We reported the current distribution of Leptophryne spp. in Gede Pangrango National Park. Leptophryne cruentata was recorded in Cibodas (Cikundul waterfall and Goa Lalay), Selabintana (Cibeureum Waterfall), and Goalpara (Rasta Waterfall), whereas Leptophryne borbonica was only reported from a creek at lowland forest of Bodogol. Goa Lalay and Rasta waterfall were explicitly reported as new distribution locations of Leptophryne cruentata. It was strictly found at a higher elevation usually within reach of waterfalls that generate substantial background noise, except in Cibodas in which Leptophryne cruentata can also be found in two noisy creeks located at a fairly great distance from waterfalls (100 – 170 meters). 
The effect of natural noise and conspesific sound density on the prevalence of Leptophryne borbonica Tschudi, 1838 displaying visual signals Intani, Ratih Tryas; Noer, Mohamad Isnin; Rizkawati, Vina
Bioma Vol. 20 No. 1 (2024): Bioma
Publisher : LPPM Universitas Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21009/Bioma20(1).4

Abstract

The main mode of communication in Anura is acoustic signals, but environmental noise can hinder effectiveness signal transmission and reception. The adaptation to noise is by visual signals. This study was conducted to determine the density, the type of visual signals detected, and whether there is an influence of environmental noise and conspecific density on the prevalence of Leptophryne borbonica population displaying visual signals. This study was conducted by descriptive method with purposive sampling technique. The data taken was in the form of the number of individuals with visual signals, the number of individuals vocalizing, and the noise of the surrounding environment. The data was processed using the Solomon Coder and analyzed by Poisson regression. 159 individual frogs were found in 40 plots during observations, with the density of individuals in each plot being 3-8 individuals with noise range of 45-74 dB. Noise significantly affected the display of visual signals in a population, while conspecific density did not affect the output of visual signals.
Co-Authors Darmawan, Boby Lestari, Alvita Dwi Mohamad Isnin Noer Prasetya, Priya Yuga Rizkawati, Vina