Periode Pemijahan Spons Aaptos aaptos (Porifera: Demospongia) di Perairan Pulau Pari, Kepulauan Seribu, DKI Jakarta  

Oleh:

Kawaroe, Mujizat ; Soedharma, Dedi ; Siregar, Rahmadsyah Deny

Jenis: Article from Journal - ilmiah nasional - tidak terakreditasi DIKTI
Dalam koleksi: Biota Jurnal Ilmiah Ilmu-ilmu Hayati vol. 13 no. 2 (Jul. 2008), page 68-74.
Topik: apwning; Aaptos aaptos; sponge; Pari Island; lunar periode

Ketersediaan

Perpustakaan Pusat (Semanggi) Nomor Panggil: BB74 Non-tandon: 1 (dapat dipinjam: 0) Tandon: tidak ada

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The purpose of this research was to study spawning period of sponge Aaptos aaptos at pari Island, Thousand Island, DKI Jakarta. The result showed that spawning time occurred at 17.00-18.00, and within that time the sponge closed their osculum to throw out the zygote leaving the body faster. The duration of spawning range from 4 minutes to 41 minutes. Based on the lunar periode, spawning for sponge Aaptos aaptos started from early new moon till few days after full moon. Spawning mostly took place during spring tides. Based on the PCA analysis, it was found that water temperature and pressure had strong correlation with spawning time.

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