Abstract:
KEPADATAN DAN DISTRIBUSI BIVALVIA PADA MANGROVE
DI PANTAI CERMIN KABUPATEN SERDANG BEDAGAI
PROVINSI SUMATRA UTARA
Nurida siregar*), Suwondo, Elya Febrita,
Program Studi Pendidikan Biologi
Fakultas Keguruan dan Ilmu Pendidikan
Universitas Riau
Abstrack
The study was conducted to determine the density and distribution of
mangroves in Coastal Bivalvia in Pantai Cermin Bedagai Serdang, Sumatra Utara
Province, in January to February 2012. The study used survey methods, field data
collection using a plot that is placed on a transect. Determination of observation
stations done purposively sampling at three observation stations in the area intertidial.
The data were analyzed descriptively. The results showed that four types Bivalvia
found that Anadara sp, Pharus sp, sp Geloina and Perna viridis. The highest density
found in the type Pharus sp with a mean density of 2.75 indv/m3. The lowest
densities found on the type of Anadara sp with a rate of 2.07 indv/m3. Bivalvia
distribution patterns on patterns of uneven distribution.
