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Siti Nuraini
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JENIS IKAN KERAPU (SERRANIDAE) DAN HUBUNGAN PANJANG BERAT DIPERAIRAN BERAU, KALIMANTAN TIMUR [Grouper species and length-weight relationship in Berau waters, East kalimantan] Siti Nuraini
Jurnal Iktiologi Indonesia Vol 7 No 2 (2007): Desember 2007
Publisher : Masyarakat Iktiologi Indonesia (Indonesian Ichthyological Society)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32491/jii.v7i2.212

Abstract

Grouper fish was identified in Berau waters in April and July 2005, and March 2006. The number of fish found was 25 species in five genera: Epinephelus, Plectropomus, Cephalopolis, Variola, and Cromileptes. Some species such as Cromileptes altivelis, Epinephelus lanceolatus, and P. aerolalus were vulnerable species; whereas Cromileptes altivelis, Epinephelus lanceolatus, P. leopardus, P. laevis dan P. aerolatus has listed in red data book. E. coioides, P. leopardus, P. laevis are isometric, and P. oligocanthus, P. laevis, V. louti are allometric.
BEBERAPA PARAMETER BIOLOGII KAN KUNIRAN (Upeneus sulphureus) HASIL TANGKAPAN CANTRANG YANG DIDARATKAN DIBRONDONG JAWA TIMUR [Biological parameters of the goat fishes, Upeneus sulphureus, caught by danish seine landed atBrondong, East Java] Bambang Sumiono; Siti Nuraini
Jurnal Iktiologi Indonesia Vol 7 No 2 (2007): Desember 2007
Publisher : Masyarakat Iktiologi Indonesia (Indonesian Ichthyological Society)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32491/jii.v7i2.215

Abstract

Study on relationships between length and weight, total length (TL) and fork length (FL), total length and standard length (SL) of goat fishes, Upeneus sulphureus was carried out based on length frequency data. Data was collected from March to May 2006 in fisheries landing place at Brondong, East Java. The total length-weight relationship of U. sulphureus follows the equation of W = 0.144 LJ J”. It means that increasing the length of goat fish was faster than their weight. The relationship between FL and TL follows the equation of FL = 0,9429 TL - 0.1899; relationship between SL and TL is SL = 0.4889 TL - 0.2938, and between SL and FL is SL = 0.8887 FL - 0.0984. The sex ratio of samples of fish captured by danish seine were male/female = 1 : 2.79. More than 50% of males and females were immature. The length at first capture by danish seine was found to be 13.3 cm TL. The catch composition and fishing seasons provide additional information on the goat fisheries biology landed in Brondong, East Java.
PARAMETER POPULASI DAN SELEKTIVITAS RAJUNGAN (Poftunus pelagicus Linnaeus) YANG TERTANGKAP DENGAN BEBERAPA JENIS ALAT TANGKAP DI TELUK JAKARTA Siti Nuraini; Prihatiningsih Prihatiningsih; Sri Turni Hartati
Jurnal Penelitian Perikanan Indonesia Vol 15, No 4 (2009): (Desember 2009)
Publisher : Pusat Riset Perikanan, BRSDM KP.

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (3107.113 KB) | DOI: 10.15578/jppi.15.4.2009.287-295

Abstract

Rajungan (Portunus peiagicus'' merupakan salah salu sumber daya hayati laut yang banyak dimanfaatkan oleh nelayan tradisionai. Rajungan di Teluk Jakarta selain sebagai sasaran penangkapan pada bubu cian jaring rajungan, juga tertangkap dengan sero, bagan, dan jaring arad Penelitian ini dilakukan pada tahun 2006 dengan tujuan untuk memperoleh informasi parameter stok dan selektivitas beberapa alat tangkap rajungan. Hasil pengamatan menunjukkan bahwa rajungan yang terlangkap mempunyai iebar karapas 4.16-11,9 cm dan boboi anlara 5.'1-113 g. Rajungan pertama kali tertangkap (Lcuo,o) pada sero, bagan, bubu, jaring rajungan, dan iaring arad pada ukuran lebar karapas 6,3: 7,3: 8,54; 8,96; dan 8,69 cm. Hampir semua (>95%i ralungan yang tertangkap dengan sero dan bagan merupakan rajungan kecil. Raiungan dewasa yang tertangkap pada jalng arad, bubu, dan Jaring rajungan diperoleh 4l, 66, dan 68%. Perbandingan keiamin jantan terhadap betina tidak sama pada alat tangkap yang digunakan. Hubungan antara lebar karapas dan panjang karapas pada sero, bagan, dan bubu rajungan mengikuti persamaan CW=o,4446 CL+0,1892 1r=3,9;. CW=o.431 4CL+0,347 5 (r=0,84J, dan CW=0,471 8C1+0,1 843 (r=0,83). Swimming crab, Portunus pelagicus ls one ot marine organism resources, intensively exploiled by aftisanal flsheres. fills crabis targeled species of trap and monofilalnent gili net and also as by catch of guiding barrier trap. fixed lift net. and monofilament gill net. The study was conducted in Jakarta Bay in 2006. The ob.tecti\/es of this study are to detemline papL ation parameters and seieclivity of swimmhg crab on several fishing gears used in Jakarta Bay. The swimning crabs werc caLtgl)t between 4.16-11 .9 cm in carapace widlh and between 5.1-113 g in weight. ihe firct captured (Lc sa-) of swimming crab caught by guiding barrier trap, fixed lift net, collapsible trap, beach se//]e. and monofilament gill net were 6.3, 7.3, 8.54. 8.69. and for 8.96 cnt. respectively. Guiding bamer trap and fixed iift net caught small crab for more than 95%. Large crab was caught by beach seine, collapsible trap, and monofilament gill net for crab were 41 , 66, dan 68% of the total catclt. The sex rutio between male and female diferred among the gears used. The relationship between CW and CL ol guiditlg barrier trap, fixed lifnet, bagan, and trap follows the equation CW=0.4446 CL+0.1892 (r=0 9) CW=o. 43 1 4CL+0. 3 47 5 (r=0. 84), and CW=o.47 1 8CL+0. 1 84 3 (r=0. 83 ).
Co-Authors Bambang Sumiono Prihatiningsih Prihatiningsih Sri Turni Hartati