Simeulue is a cluster of islands that rich of commercial fisheries in Aceh waters. Management of the fisheries products is highly related to species identification in order to ascertain the appropriate steps to manage the resources sustainably. Identification using DNA barcoding tools is the right answer for the problem that have not been able to be resolved even by morphological approach. Some of 11 individual samples were taken from 6 sampling points based on lobster’s catchment and cultivation areas. All of the samples were identified using COI mitochodrial DNA resulting 6 species including Scomber scombus, Scomberomorus plurilineatus, Octopus cyanea, Taeniura Lymna, Sympterygia bonapartii and Panulirus versicolor. The DNA bases were aligned using MEGA application and Neigbour- Joining method, Kimura 2 parameters resulting a 690 base pairs nucleotides. Reconstruction of philogenetic tree shows that the species of Simeulue were conjoined into one clade with the sequences downloaded from genebank. It shows that those species were closely related genetically indicating by the bootstrap value of Scomber scombus (100), Scomberomorus plurilineatus (100), Octopus cyanea (100). The results of the study shows that the DNA barcoding tools can explicate not only the identification up to the species level but also the genetic relationship that can be seen from the interspecies bases composition.
Pulau-pulau kecil merupakan sebuah kawasan yang memiliki risiko dan terkena dampak dari perubahan lingkungan. Keterbatasan pulau kecil seperti ukuran yang kecil, marginalitas, dan insularitas yang dimiliki menjadikan pulau kecil memiliki risiko yang sangat tinggi terhadap perubahan lingkungan. Tujuan dari penelitian ini yaitu mengidentifikasi potensi sumberdaya alam pesisir Pulau Pulo Raya dan menilai status indeks keberlanjutan pesisir Pulau Pulo Raya. Analisis keberlanjutan dilakukan dengan pendekatan Rapfish. Analisis Rapfish yang dilakukan pada lima dimensi (ekologi, ekonomi, sosial budaya, teknologi, dan kelembagaan). Atribut pada tiap-tiap dimensi/faktor yang paling berpengaruh adalah kondisi lingkungan perairan (dimensi ekologi); tingkat keuntungan budidaya rumput laut (dimensi ekonomi); kebersamaan sosial (dimensi sosial budaya); jenis kenderaan (dimensi teknologi); serta ketersediaan kelompok perikanan.
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