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Amir Hamidy
Bidang Zoologi (Museum Zoologicum Bogoriense), Puslit Biologi-LIPI, Jalan Raya Jakarta-Cibinong Km 46, Cibinong 16911, Jawa Barat
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology

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VARIASI DAN DEGRADASI SUARA PANGGILAN KODOK JANGKRIK [HYLARANA NICOBARIENSIS (STOLICZKA, 1870)] ASAL PULAU ENGGANO (ANURA: RANIDAE) Hellen Kurniati; Amir Hamidy
BERITA BIOLOGI Vol 15, No 3 (2016)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/beritabiologi.v15i3.2293

Abstract

Frog’s group of Hylarana nicobariensis (Stoliczka, 1870) is a complex species that has diverse genetic populations and variations on advertisement calls. Variations on advertisement calls among populations have been reported in Sumatra, Java and Bali. The population of frog in Enggano has different phenomenon that was not found in Sumatra and Java.  Enggano population was genetically identical, but the advertisement calls were very diverse. There were four types of advertisement calls on the population in Enggano Island, namely: (1) advertisement call type 1 which has pulse wave with the dominant frequency of 2855.13 ± 135.22 Hertz; (2) advertisement call type 2 which has pure tone wave with the dominant frequency of 2720.29 ± 97.69 Hertz; (3) advertisement call type 3 which has pulse wave with dominant frequency 2634.61 ± 292.81 Hertz; (4) advertisement call type 4 which has pure tone wave with dominant frequency 1618.79 ± 83.05 Hertz. The degradation of the dominant frequency and the lower frequency was likely due to the increase of snout to vent length (SVL) of adult male that were followed by increasing the size of the head.
Co-Authors Hellen Kurniati