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Berita Biologi BERITA BI2/2*, 9ol. 16 No. 1 April 2017 TeraNreditasi BerdasarNan .eputusan .epala LemEaga ,lmu Pengetahuan Indonesia 1o. 636/A83/32M,-/,3,/07/2015 Tim RedaNsi (Editorial Team) Andria Agusta (3emimpin Redaksi, Editor in Chief) .usumadewi Sri Yulita (RedaNsi 3elaksana, 0anaging Editor) Gono Semiadi Atit .anti Siti Sundari Evi Triana .artika Dewi Dwi Setyo Rini Desain dan /ayout (Design and /ayout) 0uhamad Ruslan, Fahmi .eseNretariatan (Secretary) 1ira Ariasari, Enok, BudiarMo Alamat (Address) 3usat 3enelitian Biologi-/,3, .ompleNs Cibinong Science Center (CSC-/,3,) -alan Raya -akarta-Bogor .0 46, Cibinong 16911, Bogor-,ndonesia Telepon (021) 8765066 - 8765067 Faksimili (021) 8765059 Email: Eerita.biologi#mail.lipi.go.id Murnalberitabiologi#yahoo.co.id [email protected] .eterangan foto cover depan (1otes of cover picture): Bentuk Noloni isolat Eakteri Bt, B/S3-4, dan B/S3-3: (A) pada media pertumEuhan NA dan (B) pada pengamatan secara mikros- kopis dengan perEesaran 100x (Bacterial colony shapes of Bt, B/SP-4 and B/SP-3, respectively: (A) bacterial colony in growth medium 1A (B) bacterial colony on 100 x microscopic magnification), sesuai dengan halaman 15. 8capan terima kasih Nepada 0itra BeEestari nomor ini 16(1) ± April 2017 Dr. Heddy Julistiono ,r. Suciatmih M.Si. Dr. Nuril Hidayati Drs. Haryono M.Si Drs. Awit Suwito, M.Si Dr. Rizkita Rachmi Esyanti 3rof. Dr. Amarila Malik, MSi., Apt. ,r. , Gusti Bagus Adwita Arsa, M3. Dr. Shanti Ratnakomala, M.Si Dr. Fenny 0. Dwivany Dr. Ir. Barep Sutiyono, 0.S. Dr. I 0ade Sudiana, M.Sc. Dr. Tri Muji Ermayanti Dr. Ika Roostika Tambunan, S3. MSi. 8cu Yanu Arbi M.Si. 9ani Nur Oktaviany Subagyo S3., Msi ,slami - Catatan Kekayaan jenis Gastropoda di Pesisir Pulau /eti, Kawasan Banda Selatan .2081,.ASI 3E1DE. CATATA1 .E.AYAA1 JEN,S GASTR232DA D, PES,S,R P8LA8 LETI, .AWASA1 BA1DA SELATA1 >1ote on Species Richness of Gastropoda in Coastal Area of Leti Island, Southern Banda] *0uhammad 0asrur ,slami *.elompok Penelitian .onservasi, Pusat Penelitian /aut Dalam ± /,3, email: muha067#lipi.go.id ABSTRACT Assessment of species richness of gastropods in coastal area of /eti ,sland, southern Banda was conducted as a part of Southern Banda Expedition on 2ctober 7-16, 2015. Sample was collected in Serwaru, TutuNey village, /eti ,sland, Southwest 0aluNu. A total of 125 individu from 25 species of gastropods was found. The highest number of individu was Clypeomorus moniliferus. Generally, gastropods found in this area were associated with rocNy hard substrate. .Hy words: Gastropoda, species richness, rocNy suEstrate, /eti ,sland ABSTRA. 3enelitian mengenai Nekayaan Menis gastropoda di pesisir 3ulau /eti, kawasan Banda selatan dilakukan sebagai bagian dari Ekspedisi Banda Selatan pada tanggal 7-16 2ktoEer 2015. 3engambilan sampel dilakukan secara Noleksi bebas di Serwaru, Desa Tutukey, 3ulau /eti, .abupaten 0aluku Barat Daya. Total ditemukan gastropoda sebanyak 125 individu dari 25 jenis. -umlah individu tertinggi terdapat pada jenis Clypeomorus moniliferus. Gastropoda yang ditemukan di kawasan ini umumnya adalah jenis-jenis yang Eerasosiasi dengan substrat berbatu. Kata kunci: Gastr opoda, keNayaan jenis, suEstrat berEatu, 3ulau Leti 3ENDAHU/UA1 merupakan Busur Banda luar non-vulNanik /aut Banda merupakan perairan yang memiliNi (non-volcanic outer arc). .ondisi ini tentunya kekayaan sumberdaya laut melimpah Eaik hayati mempengaruhi kekayaan Menis biota laut termasuk maupun non-hayati. Dari sudut pandang oseanografi, moluska yang ada di dalamnya. .ekayaan Menis /aut Banda memiliNi dinamika perairan yang didefinisikan seEagai Mumlah individu atau spesies di kompleks, mulai dari kedalaman perairan, dalam area pada suatu Nomunitas (Brown et al., karakteristik arus hingga fenomena upwelling yang 2007). 0asalahnya, selama ini belum ditemukan terMadi di perairan ini (,lahude dan Gordon, 1996; catatan penelitian mengenai biota makroEentos ,lahude, 1999; Sediadi, 2004). Secara spesifik, salah terutama moluska di pulau-pulau terseEut, yang ada satu kawasan /aut Banda yang menjadi perhatian hanyalah kaMian tentang sebaran komunitas lamun di adalah perairan /aut Banda Eagian selatan. 3erairan 3ulau /eti dan .Lsar (.uriandewa, 1997). ini merupakan salah satu pintu keluar Arus /intas 3engamatan mengenai kekayaan Menis gastropoda ini ,ndonesia (Arlindo) menuMu Samudera Hindia menjadi penting dilakukan seEagai data awal untuk melalui Selat Ombai dan /aut Timor. Arlindo yang mengetahui Menis-Menis gastropoda yang ada di pesisir melalui Nawasan ini termasuk Eagian terEesar selain pulau-pulau di Banda Eagian selatan yang melalui Selat /omEok (Gordon, 2005). merupakan salah satu kawasan perairan yang Selain karakteristik oseanografi perairan, di strategis bila dilihat dari karakteristik kawasan Banda selatan Muga terdapat pulau-pulau oseanografinya. Catatan penelitian ini Muga yang menarik untuk dikaMi. 3ulau-pulau terseEut di diharapkan menjadi salah satu rujukan data tentang antaranya 3ulau :etar, 3ulau /eti, 3ulau 0oa, 3ulau seEaran dan potensi keanekaragaman hayati laut /akor, 3ulau .Lsar dan lainnya. Suyarso (1999) yang ada di kawasan tersebut. menyatakan Eahwa MaMaran pulau-pulau terseEut *Diterima: 18 Januari 2016 - DiperbaiNi: 24 Agustus 2016 - Disetujui: 16 Februari 2017 95 Berita Biologi 16(1) - April 2017 BAHAN DA1 CARA .ERJA -enis-Menis yang ditemukan terseEut dapat di- 3enelitian ini merupakan Eagian dari kegiatan masukkan kedalam 15 famili (Gambar 3). Famili Ekspedisi Banda Selatan yang dilaNsanakan pada dengan Mumlah Menis tertinggi yaitu famili Neritidae tanggal 7 ± 16 2NtoEer 2015. 3engambilan sampel (5 Menis) sedangkan famili dengan Mumlah Menis moluska dilakukan di Dusun Serwaru, Desa Tutukey, terendah meliputi famili 3atellidae, /ittorinidae, 3ulau /eti, .aEupaten 0aluku Barat Daya. Sampel Columbellidae, Turbinellidae, Turbinidae, 0itridae, yang didapatkan disortir dan dicatat kekayaan Strombidae, Nassariidae, Cypraeidae dan Bullidae Menisnya (Mumlah Menis dan Mumlah individu). (masing-masing 1 Menis tiap famili). -enis-Menis moluska yang didapatkan selama Substrat di pesisir 3ulau /eti didominasi oleh penelitian diidentifikasi menurut :ilson dan Gillet pasir dan pasir Eerbatu, dan pada Eagian uMung (1971), RoEerts et al. (1982), Dance (1976), AEbot pemukiman terdapat tebing-tebing Eatuan yang dan Dance (1990), Dharma (1992, 2005); :ye merupakan salah satu habitat dari EeEerapa Menis (2000); Sanpanich et al. (2004). Analisis sampel gastropoda. Secara umum, gastropoda yang dilakukan di ruang preservasi koleNsi ruMukan 3usat ditemukan merupakan Menis-Menis yang Eerasosiasi 3enelitian /aut Dalam-/,3,. (/ampiran 1.) dengan substrat EerEatu seperti Cellana radiata, C. moniliferus, C. fumosus, C. scripta, jenis-Menis 1erita spp., Rhinoclavis sinensis, dan 0orula. .oh-Siang HAS,/ DAN 3E0BAHASAN (2003) dalam penelitiannya di pantai barat laut GamEaran keNayaan Menis gastropoda yang ada Australia, mendapatkan Eahwa gastropoda Menis di pesisir Pulau /eti dapat dilihat dari Mumlah indi- 0orula granulata dan 0. margariticola melimpah vidu dan Mumlah Menis yang ditemukan. 3ada pada zona litoral atas, litoral bawah dan lokasi ini ditemukan total sebanyak 125 individu dari tebing-tebing EerEatu di kawasan terseEut. 0enge et 25 Menis gastropoda (GamEar 2). -umlah individu al. (1997) menyataNan bahwa gastropoda tertinggi Menis Clypeomorus moniliferus (16 merupakan komponen penting dan representatif dari individu) sedangkan Mumlah individu terendah antara komunitas pantai EerEatu. Beck (1998) menyatakan lain Cantharus fumosus, Columbella scripta, Conus Eahwa kepadatan gastropoda di kawasan intertidal capitaneus, Turbo argyrostomus, Strombus EerEatu Eerkaitan erat dengan karakteristik lokasi gibberulus dan 1assarius callospira (masing-masing yang ada seperti struktur habitat dan kompleksitas. 1 individu). GamEar 1. 3eta lokasi penelitian di 3ulau /eti (0ap of study site in /eti ,sland) 96 ,slami - Catatan Kekayaan jenis Gastropoda di Pesisir Pulau /eti, Kawasan Banda Selatan Gambar 2. -umlah individu tiap Menis gastropoda di 3ulau /eti (1umber of individu of each species of Gastropoda in Leti ,sland) GamEar 3. -umlah Menis tiap famili dari Nelas Gastropoda di pesisir 3ulau /eti (1umber of species of each family of class Gastropoda in /eti ,sland) 97 Berita Biologi 16(1) - April 2017 .eEeradaan beEerapa Menis gastropoda masuk dari Selat 0akasar menuMu /aut Banda terutama yang Eerasosiasi dengan suEstrat EerEatu ini melalui Selat Ombai, /aut Timor dan seterusnya. menunjukkan bahwa Menis-Menis terseEut umumnya Catatan kekayaan Menis ini diharapkan dapat menjadi mampu Eertahan hidup dan Eeradaptasi terhadap data awal untuk mendeterminasi distriEusi spasial kondisi lingkungan yang sangat dinamis. Seperti gastropoda pada skala yang lebih Eesar. diketahui, wilayah Banda selatan dikenal dengan kawasan ombak dan gelombang yang tinggi terutama DAFTAR 386T$.A AEEot RT and Dance 3. 1990. Compendium of Seashells, 411. pada musim timur. Selain itu, perairan di antara Crawford House 3ress. Australia. pulau-pulau yang ada merupakan pintu keluar BecN 0. 1998. Comparison of the measurement and effects of habitat structure on gastropods in rocNy intertidal and Arlindo (Arus /intas ,ndonesia) yang masuk dari mangrove habitats. 0arine Ecology 3rogress Series. 169, Selat 0akasar menuMu /aut Banda dan seterusnya 165±178 Brown R/, JacoEs /A and 3eet 5.. 2007. Species richness: (,lahude dan Gordon, 1996). 3antai-pantai yang ada small scale. Encyclopedia of /ife Science. 1-8 di kawasan Banda Selatan Muga umumnya memiliNi Dance 3. 1976.
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