Abstract:
The purpose of the judical process in the Medicine Forensic Science was to diagnose on a drowning case. One of the process was the diatom examination. The diatom examination could be done on the sample of lungs tissue, kidney, hepar, small intestine, duodenum and bone marrow. The function of this diatom examination was to confirm whether the victim’s death because of he drowning or other reasons and to identify the diatom within the dead body then compared to the diatom in the territorial waters prior to confirm the location where the accident occured.
This reseach was held in March 2013 in Bangko river Rokan hilir district. Based on this reseach there were four types of diatom found out namely Aulacoseira sp, Diatoma sp, Nitzcshia sp, and Isthmia sp. The lowest abundance was in the station I where one type of diatom where Aulacoseira sp (720 cells/L) found, while the highest abundance was found in the station II where Aulacoseira sp, diatoma sp, and Nitzschia sp (1520 cells/L) included within. In the station III was found the type of diatom and abundance (720 cells/L) where Aulacoseira sp, diatoma sp, and Isthmia sp were included within it.
