Distribution of dinoflagellate cysts in Yellow Sea sediments  

作　　者：SHIN Hyeon Ho LIM Dhongil PARK Soung-Yun HEO Seung KIM So-Young 

机构地区：[1]Library of Marine Samples,Korea Institute of Ocean Science and Technology [2]West Sea Fisheries Research Institute,National Fisheries Research&Development Institute [3]Division of Polar Climate Research,Korea Polar Research Institute

出　　处：《Acta Oceanologica Sinica》2013年第9期91-98,共8页海洋学报（英文版）

基　　金：Part of the Korea-China Cooperative Project on the Yellow Sea Cold Water Mass;a grant from the Korea Ocean Research and Development Institute(PE99165);the samples were partly supplied from NFRDI(RP-2012-ME-051)

摘　　要：To investigate the distribution, abundance, and species composition of dinoflagellate cysts in the Yellow Sea, surface sediment samples were collected at 37 sites, including the Korean dump site. Twenty-one di- noflagellate cyst taxa were identified, with the assemblages dominated mainly by Spiniferites bulloideus, Operculodinium centrocarpum, and cyst of Alexandrium catenella/tarnarense type. A high frequency of O. centrocarpum in the Yellow Sea was observed for the first time, and it is likely that this can be attributed to the dynamics of the Yellow Sea Cold Water Mass and the Changjiang （Yangtze） River runoff. Total cyst concentrations ranged from 23 to 48 442 cysts/g dry weight, and high cyst concentrations were recorded adjacent to the dumping site. This result suggests that anthropogenic activities such as ocean dumping s- timulate the growth of dinoflagellates in the Yellow Sea, which in turn leads to high levels of dinoflagellate cyst production.To investigate the distribution, abundance, and species composition of dinoflagellate cysts in the Yellow Sea, surface sediment samples were collected at 37 sites, including the Korean dump site. Twenty-one di- noflagellate cyst taxa were identified, with the assemblages dominated mainly by Spiniferites bulloideus, Operculodinium centrocarpum, and cyst of Alexandrium catenella/tarnarense type. A high frequency of O. centrocarpum in the Yellow Sea was observed for the first time, and it is likely that this can be attributed to the dynamics of the Yellow Sea Cold Water Mass and the Changjiang （Yangtze） River runoff. Total cyst concentrations ranged from 23 to 48 442 cysts/g dry weight, and high cyst concentrations were recorded adjacent to the dumping site. This result suggests that anthropogenic activities such as ocean dumping s- timulate the growth of dinoflagellates in the Yellow Sea, which in turn leads to high levels of dinoflagellate cyst production.

关 键 词：Yellow Sea dumping site dinoflagellate cyst Alexandrium catenella/tamarense type Operculo- dinium centrocarpum 

分 类 号：P735[天文地球—海洋生物学]