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Động vật đáy vùng triều đảo Lý Sơn

Bài viết trình bày nghiên cứu về đa dạng sinh học ở vùng triều Lý Sơn, cung cấp các thông tin cần thiết cho việc đánh giá, giám sát cũng như các dự báo về sự thay đổi quần xã sinh vật trong khu vực. | Động vật đáy vùng triều đảo Lý Sơn Vietnam Journal of Marine Science and Technology Vol. 19 No. 4A 2019 287 297 DOI https doi.org 10.15625 1859-3097 19 4A 14607 https www.vjs.ac.vn index.php jmst Macrozoobenthos in the intertidal zone of the Ly Son island Phan Thi Kim Hong Nguyen An Khang Dao Tan Hoc Nguyen Thi My Ngan Hua Thai Tuyen Institute of Oceanography VAST Vietnam E-mail phn_kimhong@yahoo.com Received 30 July 2019 Accepted 6 October 2019 2019 Vietnam Academy of Science and Technology VAST Abstract The surveys of macrozoobenthos fauna of Ly Son tidal area were carried out at 8 stations in September 2016. The 4 replicate samples were collected in high middle and low tidal zones at each station. The results record 92 taxa of mollusc accounting for 35 of total number of taxa 76 taxa of crustacean 29 71 taxa of polychaete 27 and 22 taxa of echinoderm 9 . Among them there are 7 species of valuable resources that were exploited for food such as sea cucumber Holothuria Semperothuria cinerascens collector urchin Tripneustes gratilla diadema urchin Echinothrix diadema Diadema savignyi belonging to Echinoderma strawberry conch Strombus luhuanus goldmouth turban Turbo chrysostomus and bearded horse mussel Modiolus barbatus . Some species with beautiful shapes and colors are used for handycraft such as black-lip pearl oyster Pinctada margaritifera small giant clam Tridacna maxima Chinese cowrie Cypraea chinensis . The densities of mactozoobenthos vary from 38 to 1 632 individuals m2 between stations and tend to increase from high to low tide zones from sandy bottom and shore rock to dead coral habitats covered by seaweed and seagrass bed. Keywords Macrobenthos intertidal Ly Son. Citation Phan Thi Kim Hong Nguyen An Khang Dao Tan Hoc Nguyen Thi My Ngan Hua Thai Tuyen 2019. Macrozoobenthos in the intertidal zone of the Ly Son island. Vietnam Journal of Marine Science and Technology 19 4A 287 297. 287 Tạp chí Khoa học và Công nghệ Biển Tập 19 Số 4A 2019 287 297 DOI https