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引用本文:王金宝,李新正,王洪法,张宝琳.2005—2009 年胶州湾大型底栖动物生态学研究.海洋与湖沼,2011,42(5):728-737.
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2005—2009 年胶州湾大型底栖动物生态学研究
王金宝, 李新正, 王洪法, 张宝琳
中国科学院海洋研究所
摘要:
根据2005年2月—2009年11月对胶州湾14个站共20个航次大型底栖动物的调查资料, 分析了大型底栖动物种类组成、生物多样性、栖息密度、生物量和次级生产力的现状和变化。各航次共采集到大型底栖动物 442 种, 其中多毛类 189 种, 甲壳动物 112 种, 软体动物 81 种, 棘皮动物 22种, 其它类群 38 种。2005—2009 年种数的年度、季节性差异较小。生物多样性指数各季节变化不大, 空间分布上湾内的中北部高于中南部。 总栖息密度表现为冬、 春季大于夏、 秋季。 相对于 1998—1999和 2000—2004 年, 栖息密度有下降趋势, 总生物量有所增加, 说明较大型的生物增加。2005—2009年胶州湾平均次级生产力有明显季节变化, 春季最高, 秋、夏季次之, 冬季最小。
关键词:  大型底栖动物, 胶州湾, 生态学, 生物多样性, 次级生产力
DOI:10.11693/hyhz201105014014
分类号:
基金项目:中国科学院知识创新工程重要方向项目群项目资助, KZCX2-YW-Q07-01 号; 国家自然科学基金项目资助, 41176133 号
附件
ECOLOGICAL STUDY ON THE MACROBENTHOS IN THE JIAOZHOU BAY IN 2005—2009
WANG Jin-Bao, LI Xin-Zheng, WANG Hong-Fa, ZHANG Bao-Lin
Institute of Oceanology, Chinese Academy of Science
Abstract:
Based on data collected during 20 cruises from 14 sampling stations in the Jiaozhou Bay between February 2005 and November 2009, species composition, abundance, biomass, biodiversity, and secondary production of macrobenthos from the bay were studied. The results showed: 1) 442 species of macrobenthos were found and identified, in which 189 were polychaete species, 112 were crustaceans, 81 were mollusks, 22 were echinoderms, and 38 were species of other groups; the numbers of species in 2005 and 2009 were greater than those in 2006, 2007 and 2008, seasonal differences in the numbers of species during 2005—2009 were small, and annual and seasonal changes were in normal ranges; 2) seasonal differences of macrobenthic biodiversity indices were small; the indices were higher in the northern (inner) area than those in the southern part (close to the mouth of the bay) and outside of the bay; 3) mean abundance of macrobenthos in the Bay was higher in winter and spring than those in summer and fall; the mean abundance in 2005—2009 was lower than those in 1998—2004, macrobenthic abundance in the bay decreased over time; 4) the mean macrobenthic biomasses in the bay during 2005—2009 being higher than that during 1998—2004 implies that the species with large body size were increased during 2005—2009 those that during 1998—2004; 5) secondary productions of macrobenthos in 2005—2009 was at similar level as those in 1998—2004, however, the culture of Philippine clam (Ruditapes philippinarum) was more important to the contribution of secondary production of macrobenthos in the bay than before; the mean secondary productions had distinct seasonal differences, i.e., highest in spring, lowest in winter.
Key words:  Macrobenthos, Jiaozhou Bay, Ecology, Biodiversity, Secondary production
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