Diversitas Kelelawar (Chiroptera) Penghuni Gua, Studi Gua Ngerong di Kawasan Karst Tuban Jawa Timur
DOI:
https://doi.org/10.26555/bioedukatika.v1i2.4098Abstract
Penelitian ini bertujuan untuk mengetahui diversitas kelelawar penghuni gua di gua Ngerong. Penelitian ini merupakan penelitian Nature Snapshop Experiment (NSE). Penelitian ini dilaksanakan pada bulan November - Desember 2011 di gua Ngerong, Desa Rengel, Kecamatan Rengel, Kabupaten Tuban, Jawa Timur. Penangkapan dilakukan dengan metode tangkap langsung. Penangkapan dilakukan dengan menggunakan misnet dan handnet. Kelelawar diidentifikasi berdasarkan pengukuran morfometri dan ciri morfologi mengacu kunci identifikasi Suyanto, 2001 dan Payne et al., 2000. Seluruh data dianalisis secara deskriptif. Di gua Ngerong terdapat 9 spesies dari 4 famili atau 60% dari total spesies kelelawar penghuni gua di kawasan karst Tuban. Enam spesies anggota Subordo Microchiroptera yang merupakan insectivor dan 3 spesies anggota Subordo Megachiroptera yang merupakan frugivor dan nictivor. Keanekaragaman di gua Ngerong tergolong tinggi dengan nilai Simpson's Diversity Index sebesar 0,76. Tingginya diversitas kelelawar penghuni gua Ngerong berbanding lurus dengan panjang lorong gua Ngerong. gua Ngerong merupakan gua terpanjang di kawasan karst Tuban, dengan panjang lorong mencapai 1800m.
kata kunci: Kelelawar (Chiroptera), Diversitas, Gua Ngerong, Biospeleologi, Karst
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