VARIASI SPESIES DIATOM PADA TIPE PERAIRAN BERBEDA UNTUK KEPENTINGAN FORENSIK SEBAGAI PETUNJUK KEMATIAN AKIBAT TENGGELAM

The purpose of this research was to determine diatom species in Unda River, Badung<br />River, Lake Beratan, estuarine and marine waters of Padang Galak, that can be used to indicate<br />death scene caused by drowning. Waters collected to 50 liters by using plankton net and carried<br />in a 25 ml glass bottle. The results of the research found that there were 60 species diatom from<br />26 genera, 23 families, 2 orders, and 1 class. Among the 60 species in this research, can be<br />indicate as 12 species are typical species of Unda River, 5 species are typical species of Badung<br />River, 1 species is typical of Lake Beratan, 9 species are typical of Padang Galak Estuary, and 19<br />species are typical to Padang Galak Sea. Among the typical species in every research site, there<br />are one species that has higher number: Fragilaria sp. 1 in Unda River, Gomphonema sp. 3 in<br />Badung River. Cymbella sp. 3 in Lake Beratan, Cyclotella sp., in Padang Galak Estuarine, and<br />Cocconeis sp. 2 in Padang Galak Sea.<br />Keywords: forensic, diatom, river, lake, se