Yahya, Muhammad2013-01-142013-01-142013-01-14sumarnihttp://repository.unri.ac.id:80/handle/123456789/1351A Study of density and biomass of seagrass at waters Belakang Padang island of Belakang Padang district, Batam city Kepulauan Riau province has done. The method used quadrate transect of 50 x 50 cm. There were 4 stasiuns observed with 3 quadrate transects each. Seagrass species found were seven which belong to two families and four genus, namely Syringodium iseotifolium, Halodule uninervis, Halophila ovalis, Halophila spinulosa, Thalassia hemprichii dan Enhalus acoroides. The density of seagrass bed varied of 18 – 818 individuals/m2 and highest by Thalassia hemprichii. Water quality of Pulau Belakang Padang is relative good for biota live of seagrass.otherJenisBiomassaSeagrassPulau Belakang Padangstudent Paper Post Degree