gonad maturity of coconut crab (birgus latro) in pasoso island, central sulawesi

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ID: 161364
2009
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Abstract

Study on gonad maturity of coconut crab (Birgus latro) was carried out from June 2004 to January 2005.  Crabs were collected by some gears such as trap, net and by hand. Observation was done to know sex ratio, gonad maturity and eggs diameter, while analysis was employed to estimate condition factor, gonado somatic index and fecundity.  Observation result showed that condition factor, gonad maturity and gonado somatic index varied depending on sampling month. Gonado somatic index showed a high value around November/December.  A similar result was also showed by condition factor and gonado somatic index that was high around November /December. Fecundity varied from 58.717 to 197.400. Oocyte diameter varied from 0,015 to 0,035 mm,  had one mode that is clasified to be a total spawner.

Keywords :  Gonad maturity, coconut crab (Birgus latro), total spawner.

 

ABSTRAK

Penelitian tentang kematangan gonad kepiting kelapa (Birgus latro) dilakukan sejak Juni 2004 sampai Februari 2005.  Sampel kepiting ditangkap dengan menggunakan beberapa peralatan, yaitu perangkap, jaring dan secara langsung dengan tangan. Pengamatan dilakukan terhadap jenis kelamin, kematangan gonad dan diameter telur, sedangkan analisis dilakukan untuk menentukan faktor kondisi, indeks kematangan gonad, dan fekunditas.  Hasil pengamatan menunjukkan bahwa faktor kondisi, kematangan gonad dan indeks kematangan gonad bervariasi tergantung dari bulan pengambilan contoh. Pengamatan kematangan gonad menunjukkan bahwa nilai tertinggi terdapat pada November/Desember.  Keadaan yang sama juga ditunjukkan dengan nilai faktor kondisi dan indeks kematangan gonad yang cukup tinggi pada bulan November /Desember. Fekunditas berkisar antara 58.717-197.400 butir telur. Diameter telur berkisar antara 0,015-0,035 mm,  memiliki 1 puncak sehingga dapat diklasifikasikan sebagai total spawner.

Kata kunci :  Kematangan gonad, kepiting kelapa (Birgus latro), total spawner.

Reference Key
sulistiono2009jurnalgonad Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;. Sulistiono;Suzana Refiani;Fadly Y. Tantu;. Muslihuddin
Journal journal of work and organizational psychology
Year 2009
DOI
10.19027/jai.8.175-184
URL
http://journal.ipb.ac.id/index.php/jai/article/view/4102
Keywords
aquaculture fisheries angling

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