Dinoflagellate Cysts in Surface Sediments of Jakarta Bay, off Ujung Pandang and Larantuka of Flores Islands, Indonesia with Special Reference of Pyrodinium bahamense

The paralytic shellfish poisoning (PSP) causative dinoflagellate Pyrodinium bahamense Plate var compressum (Bohm) Steidinger, Tester et Tayler was recently reported in Ambon Bay of Ambon Island and Kao Bay of Halmahera Island in the eastern part of Indonesia where serious PSP-outbreaks have occurred. However, neither cysts nor motile cells of this variety have ever been recorded from central to western Indonesia. Intensive investigations carried out on surface sediments of Jakarta Bay revealed that empty cysts of not only Pyrodinium bahamense but also other dinoflagellate cysts. These dinoflagellate cysts may represent recent depositions. because they were recovered near the surface of sediments