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All Journal Jurnal Sumberdaya Akuatik Indopasifik Musamus Fisheries and Marine Journal
Sendy L Merly
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Earth & Planetary Sciences Environmental Science Immunology & microbiology

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Pendekatan DNA Barcoding untuk Identifikasi Cassidula angulifera (Petit, 1841) (Moluska: Gastropoda) Dandi Saleky; Sendy L Merly
Jurnal Sumberdaya Akuatik Indopasifik Vol 5 No 1 (2021): Februari
Publisher : Fakultas Perikanan dan Ilmu Kelautan, Universitas Papua

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46252/jsai-fpik-unipa.2021.Vol.5.No.1.125

Abstract

A large number of gastropod species have similarities in morphology (cryptic) makes misidentification probably happen/occurred. Accurate species identification is needed in studying bioecology of species. This research aims to identify the species of Cassidulla sp. Which was collected from Peyum Beach Merauke with DNA barcoding techniques using COI gene markers. The primers used in this study are forward primers (LCO1490) and reverse primers (HCO2198). The result of identification with DNA barcoding showed that the species analyzed was Cassidula angulifera with a 99.53% similarity level with a DNA sequence length of 650 bp. Phylogenetic reconstruction showing the entire sequence of Cassidula sp. which were analyzed separately based on the type and genetic distance with high bootstrap value. Phylogenetic reconstruction of Cassidula sp. form a monophyletic group, which means that the species come from the same ancestors. DNA barcoding is very good and accurate in identifying species.
Analisis Hubungan Panjang Berat dan Pola Sebaran Littorina scabra (Gastropoda:Littorinidae) Dayang Eka Pramayanti; Sendy L Merly; Sisca Elviana
Musamus Fisheries and Marine Journal Vol 4 No 2 (2022): Volume 4 Number 2, April 2022
Publisher : Faculty of Agriculture Musamus University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35724/mfmj.v4i2.3648

Abstract

The purpose of this study was to analysis the length-weight relationship of gastropods (Family Littorinidae) which is associated with mangrove ecosystems where had a potential value to utilized for the management of natural resources in Merauke Regency. This research was conducted in June-August 2020 in the Mangrove Forest Ecosystem of Payum Beach, Merauke. The results show that an average weight of L. scabra 0.81 gr and average length of 1.85 cm, eventually for the length and weight analysis point towards Allometric Negative which means the growth of length is faster than the additional of body weight. The distribution pattern of L.scabra categorized uniform in all three station. This distribution patterns causing influenced by several factors such as food availability, substrates, ecological physical, chemical, enviromental factors, as well as adaptation strategies and biological interactions between population in the community.
Analisis Hubungan Panjang Berat dan Pola Sebaran Littorina scabra (Gastropoda:Littorinidae) Dayang Eka Pramayanti; Sendy L Merly; Sisca Elviana; Dandi Saleky
Musamus Fisheries and Marine Journal Vol 4 No 2 (2022): Volume 4 Number 2, April 2022
Publisher : Faculty of Agriculture Musamus University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35724/mfmj.v4i2.3648

Abstract

The purpose of this study was to analysis the length-weight relationship of gastropods (Family Littorinidae) which is associated with mangrove ecosystems where had a potential value to utilized for the management of natural resources in Merauke Regency. This research was conducted in June-August 2020 in the Mangrove Forest Ecosystem of Payum Beach, Merauke. The results show that an average weight of L. scabra 0.81 gr and average length of 1.85 cm, eventually for the length and weight analysis point towards Allometric Negative which means the growth of length is faster than the additional of body weight. The distribution pattern of L.scabra categorized uniform in all three station. This distribution patterns causing influenced by several factors such as food availability, substrates, ecological physical, chemical, enviromental factors, as well as adaptation strategies and biological interactions between population in the community.
Co-Authors Dandi Saleky Dayang Eka Pramayanti Sisca Elviana