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Diversity of brittle star and sea urchin (Echinoderm: Ophiuroidea, Echinoidea) of Krakal and Watu Kodok beach, Gunung Kidul, Yogyakarta
IOP Conference Series: Earth and Environmental Science Pub Date : 2020-09-16 , DOI: 10.1088/1755-1315/530/1/012042
R S Tarigan , R Hartati , I Widowati

Ophiuroidea and echinoidea are usually lived associated with coral reef and seaweed. Krakal and Watu Kodok Beach of Gunung Kidul Regency have characteristics of karst rocks, rubble and fast-current sea. They have large intertidal zone that allows ophiuroid and echinoid trapped among the basin during low tide. The research was aimed to identify and determine the diversity of Brittle Star and Sea Urchin in Krakal and Watu Kodok Beach. Survey was conducted on November-December 2018 at Krakal and Watu Kodok Beach. The samples were taken using quadrant transect method during low tide. The result of present work showed a total of 391 individuals belonging to Ophiocomidae Ophiuroid (2 species) and 279 individuals of 4 species echinoids belong to 2 families (Echinometridae and Diadematidae) lived in both beach. The highest abundance of Ophiocoma scolopendrina was found in Krakal beach (33.4 ind.m−2) while Echinometra oblonga was biggest in Watu Kodok beach (14.4 ind.m−2). In both location the diversity was low with medium to high similarity.



中文翻译:

Krakal 和 Watu Kodok 海滩,Gunung Kidul,日惹的海蛇尾和海胆(棘皮动物:Ophiuroidea,Echinoidea)的多样性

Ophiuroidea 和 echinoidea 通常与珊瑚礁和海藻一起生活。Gunung Kidul Regency 的 Krakal 和 Watu Kodok 海滩具有喀斯特岩石、碎石和湍急海流的特点。它们有很大的潮间带,允许在退潮时被困在盆地中的蛇类和海胆类动物。该研究旨在识别和确定 Krakal 和 Watu Kodok 海滩的海蛇尾和海胆的多样性。调查于 2018 年 11 月至 12 月在 Krakal 和 Watu Kodok 海滩进行。样品在退潮时采用象限样带法采集。目前的工作结果表明,共有391个个体属于Ophiocomidae Ophiuroid(2个物种)和2个科(Echinometridae和Diadematidae)4个物种的279个个体属于Echinometridae和Diadematidae。−2 ) 而 Echinometra oblonga 在 Watu Kodok 海滩 (14.4 ind.m −2 ) 最大。在这两个位置,多样性都较低,具有中到高的相似性。

更新日期:2020-09-16
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