Garuda - Garba Rujukan Digital

Mirza D. Kusrini

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Author-ID : 2503098

Earth & Planetary Sciences Education

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ALBUM SUARA (REPERTOIRE) KATAK SERASAH Leptobrachium hasseltii TSCHUDI, 1883 DI SITU GUNUNG Sasi Kirono; Mirza D. Kusrini; Yeni A. Mulyani
Media Konservasi Vol 20 No 3 (2015): Media Konservasi, Vol. 20, No. 3 Desember 2015
Publisher : Department of Forest Resources Conservation and Ecotourism - IPB University

This study describes the vocal repertoire of forest litter frog Leptobrachium hasseltii from Situgunung Resort, Mount Gede Pangrango National Park. Two types of calls were identified: advertisement call and aggressive call. Each types were represented by two different characteristics thus four types of calls were examined. The kruskall and wallis test was used to test the difference of nine features. Pearson’s correlation test also used to determine the relationship of all call features to air temperature and body size. Dominant frequency of all call types was relatively similar. Advertisement calls type I was emitted in short duration and fewer notes than advertisement call type II. Aggressive call type I and have longer call duration compared to both of advertisement call. However the introductory note of aggressive call type II was more longer than the others. Aggressive call of L. hasseltii tended to be discrete (territorial and encounter) and represented two different continuums. This were caused by the extreme differences of both calls in duration and distance between males when emitting calls. Dominan frequencies of all call types inverse correlated with body size of frogs. Most of temporal features of advertisement call type II correlated with body size and only call duration were longer with increasingly air temperature. Interpulse-interval and pulse period were more longer by increasing the body size, while the introductory note, pulse rate and pulse repetition rate were becoming shortened and it could predict male body size to facilitated competition between males, thus serves as mate selection indicator. Key words: advertisement call, agressif call, Leptobrachium hasseltii, Situgunung resort, social interaction

STRUKTUR KOMUNITAS BERUDU ANURA DI SUNGAI CIBEUREUM TAMAN NASIONAL GUNUNG GEDE PANGRANGO, JAWA BARAT Welni Dwista Ningsih; Mirza D. Kusrini; Agus Priyono Kartono
Media Konservasi Vol 18 No 1 (2013): Media Konservasi Vol. 18 No. 1 April 2013
Publisher : Department of Forest Resources Conservation and Ecotourism - IPB University

The use of various types of habitats can affect the structure of tadpole communities. The purpose of this study was to identify and measure: a) composition and diversity of Anuran species on two different seasons, b) distribution of tadpoles in different microhabitat types, and c) developmental stages of tadpole in two different season. Quantitative sampling of amphibian larvae was carried out on along the 224 m transect in Cibeureum stream, Mount Gede-Pangrango National Park, West Java. Four species were found in Cibeureum stream were Leptophryne cruentata (37.10%), Megophrys montana (34.33%), Rhacophorus margaritifer (28.49%), and Huia masonii (0.07%). Cibeureum stream microhabitat can be grouped into torrents, riffles and shingle areas. Tadpoles were only found in riffles and shingle areas. Omitting H. masonii data from linear regression test showed that microhabitat variables did not significantly affect the presence of tadpoles. Most tadpoles were found in stage 25. The dominant stage of tadpole found were in Gosner growth stage 24-28 (no foot) for both dry and wet season, which indicated that the frogs in the Cibeureum stream reproduce throughout the year. Key words: tadpoles, Anura, Cibeureum, Gunung Gede Pangrango National Park, community structure

PREFERENSI PAKAN DAN PERTUMBUHAN ANAKAN BULUS (Amyda cartilaginea Boddaert, 1770) DI PENANGKARAN PT. EKANINDYA KARSA, KABUPATEN SERANG, BANTEN Fatwa Nirza Susanti; Mirza D. Kusrini; Achmad Machmud Thohari
Media Konservasi Vol 21 No 1 (2016): Media Konservasi Vol. 21 No. 1 April 2016
Publisher : Department of Forest Resources Conservation and Ecotourism - IPB University

Softshell turtle (Amyda cartilaginea Boddaert, 1770) is categorized as Appendix II CITES and vulnerable in IUCN Red List Data Book. Captive breeding of this turtle is important to continue their sustainable utilization. PT Ekanindya Karsa was one of the pioneers in captive breeding of this species since 2008. Until now, reference related to management and maintenance techniques of softshell turtle in captivity are few. This research aims to analyse feeding preferences in juveniles. The results will assist wildlife conservation efforts and improve captive breeding effort for the future. Research was carried out at PT. Ekanindya Karsa from July to October 2012. Fifteen juveniles were given food for 9 weeks comprises of tuna, shrimp, spinach and sweet potatoes with cafeteria methods. Based on the number of food intake and cost efficiency, prefereed food was sweet potato and tuna. Feeding activities were visible in the morning (7.00 – 10.00 am) and evening (7.00 – 10.00 pm) with ad libitum sampling methods. During experiment, all growth parameter (curve carapacea length, curve carapacea width and body mass) increased constantly.Keywords: food preference, growth, juvenile, PT. Ekanindya Karsa, softshell turtle.

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