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All Journal The Journal of Experimental Life Sciences (JELS) TREUBIA
Arifianto, Adityas
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Biochemistry, Genetics & Molecular Biology Education Immunology & microbiology Medicine & Pharmacology Neuroscience

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PRELIMINARY OBSERVATION ON NESTING ECOLOGY OF ENDANGERED BROWN-CHEEKED BULBUL (ALOPHOIXUS BRES) IN JATIMULYO AGROFORESTRY Nurrofik, Agus; Arifianto, Adityas; Aninnas, Afina; Suparno, Kelik; Kurnianto, Agung S.; Septiadi, Luhur; Kurniawan, Nia
TREUBIA Vol 50, No 1 (2023)
Publisher : National Research and Innovation Agency

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/treubia.v50i1.4560

Abstract

We found an active nest of endangered Brown-cheeked Bulbul (Alophoixus bres) with two chicks in nest-adoption program at Jatimulyo village, Yogyakarta province, Indonesia on 19 December 2021. It was placed on the lateral branch of apus bamboo (Gigantochloa apus) 1.5 m high. The nest was cup-shaped, with outer diameter of ± 8 cm, inner diameter of ± 6 cm, and depth of ± 3 cm. It was made of living non-vascular plants and plant fragments. Our observation revealed that the food of the chicks was primarily comprised of insects (in the morning) and fruits (at midday). The insect preys include caterpillars, Lepidoptera, Coleoptera, Orthoptera and Diptera. The fruits were mangir, lempeni, and senggani.
Minnow Trap Color Effectiveness Test Using Cat Food Bait as Aquatic Sampling Gear on Diurnal Fish in Gajah Mungkur Reservoir, Cental Java, Indonesia Arifianto, Adityas; Mufti, Elsa; Marhendra, Agung Pramana Warih; Kurniawan, Nia
The Journal of Experimental Life Science Vol. 11 No. 1 (2021)
Publisher : Graduate School, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jels.2021.011.01.04

Abstract

The Minnow Trap is a simple sampling gear, efficient, easy to operate, affordable, easy to make, and has been used in research in the fisheries and aquatic ecology for more than 90 years. The brightness, color, and visual obstruction of fishing gear or fish traps affect the behavioral response of target fish, considering that each fish has a specific level of color sensitivity. The color effectiveness test of fishing gear is an important prerequisite for the use of sampling tools, and it needs to be evaluated to understand the gear performance and avoid potential sampling bias. The purpose of this study was to test the color effect of the minnow trap on diurnal fish in the Gajah Mungkur Reservoir waters. The research was carried out in Gajah Mungkur Reservoir, Wonogiri Regency, at two stations. The sampling conducted at 09.00 - 11.00 and 13.00 - 15.00 Indonesian West Time, where the initial survey is estimated to be the highest time for diurnal fish activity. The minnow trap used in this study is four colors vinyl-painted double funnel cylindrical minnow trap with a 5x5 millimeter mesh size and a conventional umbrella minnow trap used as control. The sampling results are then recorded on the datasheet and analyzed using Microsoft Excel. CPUE (Catch Per Effort Unit) of each unit is then calculated and statistically analyzed by Kruskal-Wallis test and Kolmogorov-Smirnov normality test through SPSS 25.0 software. The test result of five unit minnow traps from 40 installations and two hours of deployment time, 80 individuals were captured, consisted of seven species of freshwater fish. CPUE values ranking consecutively from the highest from silver units (1.375), black (1.25), green (1.125), red (0.9375), and control (0.3125). The Kruskal-Wallis analysis showed that all tested units do not have a significant difference. Keywords: Color, catch per unit effort, fish, minnow trap.
Co-Authors Agung Pramana Warih Marhendra, Agung Pramana Warih Agung S. Kurnianto Aninnas, Afina Mufti, Elsa Nia Kurniawan Nurrofik, Agus Septiadi, Luhur Suparno, Kelik