Reproduksi karang Acropora aspera di Pulau Panjang, Jawa Tengah: I. Gametogenesis (Sexual reproduction of coral Acropora aspera from Panjang Island, Central Java:I. Gametogenesis)

摘要: Gametogenesis of scleractinian coral Acropora aspera at reef flat Panjang Island, Central Java –Java Sea (6 ° 34’ 30” S 110 37’ 45” E) was studied by histological observations. Coral A. is a hermaphrodite, with ovaries and testes developing on separate pairs mesenteries. Their oocytes were visible in October 2001 January-April 2002 through sections, while spermatogenesis occurred from January to April 2002. During this observation period, spermatozoa first appeared March then increased until 2002, while both mature immature continually produced It suggests that spawning the may occur twice i.e. October. Abstrak Studi gametogenesis karang di dataran Pulau Jepara, Jawa Tengah LS BT) telah dilakukan pada 3 Oktober hingga 28 melalui pengamatan preparat jaringan karang. Karang termasuk kelompok hermaphrodhite, memiliki ovarium dan testis dalam satu polip. Oogenesis berlangsung lebih dari siklus setahun. Oosit dengan kematangan bervariasi ditemukan bulan 2001, serta dari Januari Sebaliknya Nopember-Desember Mei tidak oosit polip Spermatogenesis Januari-April lama dibanding oogenesis, yang siap untuk dilepaskan 2002. Diperkirakan pemijahan (spawning) terjadi dua kali setahun yaitu Oktober.