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Isnaningsih, Nur R.
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology

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TINJAUAN KEANEKARAGAMAN MOLUSKA AIR TAWAR DI BEBERAPA SITU DI DAS CILIWUNG - CISADANE Marwoto, Ristiyanti M.; Isnaningsih, Nur R.
BERITA BIOLOGI Vol 13, No 2 (2014)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (5181.029 KB) | DOI: 10.14203/beritabiologi.v13i2.692

Abstract

The freshwater molluscs (snails and bivalves) can be found in many type of water course either flowing or stagnant water. Some of them have survived living in bad condition such as polluted water. There are 199 situ (small lakes) in Jabodetabek (Jakarta, Bogor, Depok, Tangerang, Bekasi) have been reported but only 20 % were in good condition, even 12% have dissapeared that caused by silting up of the situ. The aim of the study was to evaluate the diversity of the molluscs as well as to know the condition of on 36 situ along Ciliwung River and Cisadane River. Based on the collected samples, there were 13 species of snails and three species of bivalves. The freshwater snails Filopaludina javanica, Melanoides tuberculata, Pomacea canaliculata always occur in these situ but the bivalves Anodonta woodiana, Pilsbryoconcha exilis and Corbicula javanica only occur in situ Ciranji and Kemuning along Cisadane and Ciliwung rivers, respectively. The decreasing of the mollusc diversity was about 38% in Ciliwung River and 73% in Cisadane River, caused by polluted and silting up of the situ .
KAJIAN FENETIK POMACEA SPP. (MOLUSKA: GASTROPODA: AMPULLARIIDAE) INDONESIA BERDASARKAN MORFOLOGI CANGKANG Isnaningsih, Nur R.
JURNAL BIOLOGI INDONESIA Vol 9, No 1 (2013): JURNAL BIOLOGI INDONESIA
Publisher : Perhimpunan Biologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/jbi.v9i1.142

Abstract

ABSTRAKKeong emas Pomacea merupakan keong introduksi yang kemudian menjadi jenis invasif di Indonesia karenakeberadaannya sebagai hama menjadi ancaman bagi dunia pertanian. Identitas dan status taksonomi keong ini masihmenyisakan banyak permasalahan, salah satunya adalah karena tingginya variasi morfologi. Melalui studi ini ingindigali informasi mengenai bagaimana model pengelompokan dari berbagai variasi Pomacea yang ada di Indonesia.Hasil konstruksi fenetik menggunakan software Clad97 dari 22 spesimen Pomacea terhadap 20 karakter cangkangmenunjukkan bahwa jenis ini tidak menunjukkan pengelompokan berdasarkan lokasi. Secara umum terdapat tigapengelompokan besar. Kelompok 1 merupakan kelompok spesimen dengan kesamaan karakter bentuk dan ukurancangkang, dominasi apertur, dimensi cangkang serta penebalan peristome. Kelompok 2 terdiri dari beberapa subkelompokdengan kesamaan ciri sutura yang tidak melekuk, bentuk seluk tubuh yang menyiku, serta warna cangkangjingga kekuningan. Adapun spesimen-spesimen dalam kelompok 3, memiliki kesamaan ciri ukuran cangkang yangbesar, dominasi apertur besar, TC dan LC lebih dari 60 mm, LA lebih dari 35 mm, serta terdapat penebalan peristome.Kata kunci : Keong emas, Pomacea, invasif, variasi, pengelompokan
Co-Authors Ristiyanti M. Marwoto, Ristiyanti M.