This research studied a Diversity of Crabs in the Intertidal Zone at, Rajamangala Beach Trang Province. The purpose is. To study diversity And changes in the distribution of species on paved areas spatial distribution The sampling crab during. October 2015 to February 2016.The sampling sites were consisted of 4stations. From the Gulf to the ocean beach wedding at. Four stations along the water up to the line of low tide. The distance of each station was, 100 m and the distance from. The first station to the fourth station was 450 m. Sampling crabs on the sea bottom off the line three times per frame using. Random tables quadrat sampling. The diversity of crabs. All 19 species of crabs found in the province. Ocypode, ceratophthalmus. O. Macrocera Paracleistoma, SP, Ocypode SP, Matuta Victor, Macrophthalmus convexsus, M. Laevimanus Portunus sanguinolentus,,, Portunus SP, Dotilla myctiroides D. Intermedia,,,, Leucosiidae sp.1 Leucosiidae SP.2 Philyra sp.1 Scopimera Proxima Lauridromia,,, Indica Heteropilumnus, SP, Dorippidae (1 species), Portunidae (1 species) And all four species of hermit crabs is Diogenes. Laevicarpus D. Custos,, and D. Rectimanus D. Planimanus The area offers a variety of species of crab is the most equal to 1.61 Rajamangala. Beach. From the boundary waters up to 100 meters in front of him. From the boundary waters up to 200 m. With a time of 1: 01. And paved most of the central Rajamangala Beach. From the boundary waters up to 100 m. With two of the most prominent and. Estuary. From the boundary waters up to 100 meters with a density of more than 202 crab / square meter.Diversity of Crabs in the Intertidal Zone at Rajamangala Beach. There are a variety of medium Asphalt paving is the most. Common soldier. Area found the variety and density of crabs as possible. The area is separated from the water up to 100, M. And 200 m. Respectively.
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