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Community Structure of Seagrass Tasik Ria Waters, Sub\u002Ddistrict of Tombariri, Minahasa District Image
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Community Structure of Seagrass Tasik Ria Waters, Sub-district of Tombariri, Minahasa District

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The Use of Fish Silage in Different Composition for the Growth of Carp Cyprinus Carpio L.

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Predation Intensity in Mangrove Ecosystem in Marine Protected Area, North Sulawesi Image
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Predation Intensity in Mangrove Ecosystem in Marine Protected Area, North Sulawesi

The Use of Fish Silage in Different Composition for the Growth of Carp Cyprinus Carpio L. Image
The Use of Fish Silage in Different Composition for the Growth of Carp Cyprinus Carpio L. Image
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The Use of Fish Silage in Different Composition for the Growth of Carp Cyprinus Carpio L.

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Simbiosis Zooxanthellae Dan Karang Sebagai Indikator Kualitas Ekosistem Terumbu Karang Image
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Simbiosis Zooxanthellae Dan Karang Sebagai Indikator Kualitas Ekosistem Terumbu Karang

TINJAUAN TEORITIS SIMBIOSIS ZOOXANTHELLAE DAN KARANG SEBAGAI INDIKATOR KUALITAS EKOSISTEM TERUMBU KARANG Unstain NWJ Rembet1 ABSTRACT A symbiotic process between zooxanthellae and corals can support the adaptative factors in terms of natural vulnerability criteria. The proposed consideration are 1) the symbiosis between zooxanthellae and corals provides phenomenal contributions to coral evolutionary process and 2) the criteria used by Gomez and Yap have been merely based on live coral cover that is still becoming key tools for the evaluation of coral reef health status measure. These criteria have been weaker and weaker due to neglecting the feature of intra- and interspesific relationship in coral biota itself. Therefore, the use of zooxanthellae and coral symbiotic relationship is thought of being able to complete the coral reef quality evaluation since its information could address this relationship feature beside on the basis of response to environmental pressures. Keywords : symbiotic, zooxanthellae, coral. ABSTRAK Proses simbiosis antara zooxanthellae dengan karang dapat memberikan suatu support terhadap faktor penyesuai dalam hal ini dari segi kriteria kerentanan alami. Pertimbangan yang diajukan adalah (1) simbiosis antara karang dengan zooxanthellae memberikan konstribusi fenomenal dalam proses evolusi karang dan (2) kriteria yang dipergunakan saat ini dari analisis Gomez dan Yap hanya didasarkan atas tutupan karang hidup yang sampai sekarang menjadi acuan bagi evaluasi tingkat status kesehatan terumbu. Kriteria tersebut dipandang mengalami kelemahan karena mengabaikan sifat hubungan intra dan ekstraspesifik dari biota karang itu sendiri. Atas dasar hal tersebut, maka penggunaan hubungan simbiosis zoxanthellae dan karang dipandang dapat melengkapi evaluasi kualitas terumbu karang karena informasinya dapat menjelaskan sifat hubungan intra dan ekstra spesifik, disamping atas dasar respon terhadap tekanan lingkungan.
Distribusi Dan Kelimpahan Ikan Karang Famili Pomacentridae Di Perairan Terumbu Karang Desa Poopoh Kecamatan Tombariri Kabupaten Minahasa Image
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Distribusi Dan Kelimpahan Ikan Karang Famili Pomacentridae Di Perairan Terumbu Karang Desa Poopoh Kecamatan Tombariri Kabupaten Minahasa

DISTRIBUSI DAN KELIMPAHAN IKAN KARANG FAMILI POMACENTRIDAE DI PERAIRAN TERUMBU KARANG DESA POOPOH KECAMATAN TOMBARIRI KABUPATEN MINAHASA Distribution and Abundance of Coral Fishes the Family Pomacentridae in Coral Reef Waters Poopoh Village Sub-District Tombariri Minahasa Regency Ari B Rondonuwu1, John L Tombokan1, Unstain NWJ Rembet1 ABSTRACT This study aims to determine the distribution and abundance of reef fish (families Pomacentridae) in coral reef waters of Poopoh village District Tombariri. This study was conducted at 3 stations. Data collected was done using visual census on the 50-meter transect line at 3 meters and 10 meters depths. In addition to revealing the number of species and abundance of individuals Pomacentridae, data analysis aimed to determine the community index. Based on the identification, obtained 41 species from 12 genera. 4 species has its presence in large numbers in all three observation stations, Chromis margaritifer, Pomacentrus mollucensis, Chrysiptera unimaculata, and the species with the largest number of individuals that is Chromis ternatensis. Based on depth, found 35 species with a total of 3863 individuals at a depth of 3 meters and 36 species at a depth of 10 meters with a total of 3810 individuals. Pomacentridae fish species diversity index ranged between 2.181-2.857. Dominance Index, are categorized low in the range of 0.081-0.197.. Keywords : coral fishes, Pomacentridae, coral reef, Poopoh ABSTRAK Penelitian ini bertujuan untuk mengetahui distribusi dan kelimpahan ikan karang famili pomacentridae di perairan terumbu karang Desa Poopoh Kecama-tan Tombariri. Penelitian dilakukan di 3 lokasi. Pengambilan data dilakukan dengan metode sensus visual pada transek garis sepanjang 50 meter, kedalaman 3 meter dan 10 meter. Selain mengungkapkan jumlah spesies dan kelimpahan individu Pomacentridae, analisis data diarahkan untuk mengetahui indeks komunitas. Berdasarkan hasil identifikasi, diperoleh 41 spesies yang berasal dari 12 genera. 4 spesies kehadirannya dalam jumlah yang besar di ketiga stasiun pengamatan yaitu, Chromis margaritifer, Pomacentrus mollucensis, Chrysiptera unimaculata, dan spesies dengan jumlah individu terbesar yaitu Chromis ternatensis. Berdasarkan kedalaman, ditemukan 35 spesies dengan total 3863 individu pada kedalaman 3 meter dan 36 spesies di kedalaman 10 meter dengan jumlah total 3810 individu. Indeks keanekaragaman spesies ikan Pomacentridae berkisar antara 2.181-2.857. Indeks dominasi, dikategorikan rendah pada kisaran 0.
Community Structure of Pomacentridae Fish in Coastal Waters on Malalayang Dua Village of Manado Gulf Image
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Community Structure of Pomacentridae Fish in Coastal Waters on Malalayang Dua Village of Manado Gulf

Size Distribution and Growth of Young Payangka Fish, Ophieleotris Aporos (Bleeker) From Lake Tondano Image
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Size Distribution and Growth of Young Payangka Fish, Ophieleotris Aporos (Bleeker) From Lake Tondano

Community Structure of Pomacentridae Fish in Coastal Waters on Malalayang Dua Village of Manado Gulf Image
Community Structure of Pomacentridae Fish in Coastal Waters on Malalayang Dua Village of Manado Gulf Image
Journal article

Community Structure of Pomacentridae Fish in Coastal Waters on Malalayang Dua Village of Manado Gulf

Size Distribution and Growth of Young Payangka Fish, Ophieleotris Aporos (Bleeker) From Lake Tondano Image
Size Distribution and Growth of Young Payangka Fish, Ophieleotris Aporos (Bleeker) From Lake Tondano Image
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Size Distribution and Growth of Young Payangka Fish, Ophieleotris Aporos (Bleeker) From Lake Tondano

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