| Abstrak/Abstract |
Seaweed are marine plants that play important roles in marine ecosystem and beneficial for humans. Several species of seaweed have been used by local society around coastal area of Gunung Kidul Yogyakarta, but research about diversity and abundance information of seaweed in Porok Beach was not yet understood. The study was conducted on September 15th, 2018. This research aims to study diversity and abundance of seaweed in intertidal zone of Porok Beach. This research sampling method using line transects and stratified random sampling method were used quadrat plot 1x1 m which sub-plot 10 cm ×10 cm. Measurement of ecological parameters including water temperature, air temperature, pH, and salinity.The result showed that there are 15 species of seaweed found in Porok Beach .The diversity of Rhodophyceae consists of eight species they are Chondrus crispus, Gelidium pusillum, Gigartina sp., Gracilaria gracilis, Gracilaria edulis, Gracilaria salicornia, Laurencia papillosa, Acanthopora spicifera, Chlorophyceae consists of five species they are Chaetomorpha crassa, Cladophora sp., Halicystis sp., Ulva intestinalis, and Ulva lactuca , and Phaeophyceae consists of two species they are Sargassum cristaefolium and Sargassum polycystum..The highest species coverage is Ulva lactuca (9,07%). |
