黄海北部滤食性贝类供饵力区划研究  

Live Food Supply Regionalization of Filtering Feeder Shellfish in Northern Yellow Sea

作　　者：张雪 宋伦[2] 付杰[2] 王昆[2] 刘印 刘苏萱 ZHANG Xue;SONG Lun;FU Jie;WANG Kun;LIU Yin;LIU Suxuan(Liaoning Natural Resources Service Center, Shenyang 110001, China;Liaoning Ocean and Fisheries Science Research Institute, Dalian 116023, China;3 Dalian Ocean University, Dalian 116023, China)

机构地区：[1]辽宁省自然资源事务服务中心,辽宁沈阳110001 [2]辽宁省海洋水产科学研究院,辽宁大连116023 [3]大连海洋大学,辽宁大连116023

出　　处：《水产科学》2021年第3期416-421,共6页Fisheries Science

基　　金：国家重点研发计划项目(2018YFD0901604);辽宁省“兴辽英才计划”项目(XLYC1907109);辽宁省重点研发计划项目(2018228004);辽宁省海洋与渔业科研项目(201828,201824);大连市杰出青年科技人才项目(2019RJ09).

摘　　要：2019年5月(春)、8月(夏)和10月(秋),在黄海北部海域设置53个站位,采集真核微藻分子鉴定样品和叶绿素a样品。采用高通量测序—分子鉴定分级技术,研究黄海北部海域饵料微藻供饵力。结果发现,黄海北部海域微藻粒级偏小,春季、夏季、秋季大粒级(>10μm)微藻生物量占比分别为(39±10)%、(35±14)%、(38±11)%。滤食性贝类供饵力春季最高,平均为0.86;秋季次之,平均为0.41;夏季最低,平均为0.30,旅顺、庄河、鸭绿江口海域滤食性贝类供饵力相对较高,长海县及外海相对较低。黄海北部全海域实际可承载贝类容量春季为151 g/m^(2)、夏季为51 g/m^(2)、秋季为96 g/m^(2),可承载菲律宾蛤仔养殖容量春季为100 g/m^(2)、夏季为34 g/m^(2)、秋季为63 g/m^(2),黄海北部海域贝类养殖容量主要为春、秋季贡献。The live food supply capacity of eukaryotic microalgae were determined in eukaryotic microalgae samples and chlorophyll a samples collected at 53 sampling sites in the northern Yellow Sea in May(spring),August(summer)and October(autumn)of 2019 by high throughput sequencing-molecular identification classification technique.The results showed that there were microalga biomass of(39±10)%in spring,(35±14)%in summer and(38±11)%in autumn in the northern part of the Yellow Sea,with the maximal live food supply capacity(an average of 0.86)of filter feeding shellfish in spring,followed by in autumn(0.41),and the minimal(0.30)in summer.There was relatively high live food supply capacity in the waters of Lvshun,and Zhuanghe in Dalian and Yalu Rivers,and relatively low live food supply capacity in Changhai County and the offshore sea.The actual live food supply capacity of shellfish in the northern part of the Yellow Sea was 151 g/m^(2) in spring,51 g/m^(2) in summer and 96 g/m^(2) in autumn.The sustainable culture capacity of Manila clam Ruditapes philippinarum was 100 g/m^(2) in spring,34 g/m^(2) in summer and 63 g/m^(2) in autumn,and the capacity of shellfish cultivation in the northern part of the Yellow Sea was mainly contributed to spring and autumn.

关 键 词：贝类饵料 供饵力 粒级结构 高通量测序 黄海北部海域 

分 类 号：S932[农业科学—渔业资源]