Community structure and spatial distribution of macrobenthos in the shelf area of the Bering Sea

WANG Jianjun; HE Xuebao; LIN Heshan; LIN Junhui; HUANG Yaqin; ZHENG Chengxing; ZHENG Fengwu; LI Rongguan; JIANG Jinxiang

doi:10.1007/s13131-014-0491-9

Community structure and spatial distribution of macrobenthos in the shelf area of the Bering Sea

doi: 10.1007/s13131-014-0491-9

Laboratory of Marine Biology and Ecology, Third Institute of Oceanography, State Oceanic Administration, Xiamen 361005, China

基金项目: The China Action Plan of the International Polar Year; the Public Science and Technology Research Funds Projects of Ocean under contract No. 201105022-2; the National Natural Science Foundation of China under contract Nos 41306115 and 41306116; the Polar Science Strategic Research Foundation of China under contract No. 20140309.

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- 收稿日期: 2013-03-28
- 修回日期: 2013-08-03

Community structure and spatial distribution of macrobenthos in the shelf area of the Bering Sea

Laboratory of Marine Biology and Ecology, Third Institute of Oceanography, State Oceanic Administration, Xiamen 361005, China

摘要

摘要: Field investigations of marine macrobenthos were conducted at ten sites in the Bering Sea in July 2010. Altogether 90 species of macrobenthos belonging to 59 families and 78 genera were identified. Among them, 41 polychaetes, 16 mollusks, 23 crustaceans, three echinoderms, two cnidarians, one nemertean, one priapulid, two sipunculids, and one echiuran were identified. The average density and biomass of total macrobenthos were 984 ind./m² and 1 207.1 g/m² of wet weight, respectively. The predominant species in the study area were Scoloplos armiger, Eudorella pacifica, Ophiura sarsii, Heteromastus filiformis, Ennucula tenuis, and Harpiniopsis vadiculus by abundance, while the predominant species in this area was Echinarachnius parma by biomass. Hierarchical cluster analysis (Bray-Curtis similarity measure) revealed that two important benthic assemblages in the study area were Community A and Community B. Community A was stable and Community B was unstable, as shown by the Abundance/Biomass Comparisons (ABC) approach. The macrobenthic community structure in the shelf of the Bering Sea was characterized by its high abundance and biomass, high productivity but great heterogeneity.
- BeringSea /
- marinemacrobenthos /
- communitystructure /
- spatialdistribution /
- diversity
Abstract: Field investigations of marine macrobenthos were conducted at ten sites in the Bering Sea in July 2010. Altogether 90 species of macrobenthos belonging to 59 families and 78 genera were identified. Among them, 41 polychaetes, 16 mollusks, 23 crustaceans, three echinoderms, two cnidarians, one nemertean, one priapulid, two sipunculids, and one echiuran were identified. The average density and biomass of total macrobenthos were 984 ind./m² and 1 207.1 g/m² of wet weight, respectively. The predominant species in the study area were Scoloplos armiger, Eudorella pacifica, Ophiura sarsii, Heteromastus filiformis, Ennucula tenuis, and Harpiniopsis vadiculus by abundance, while the predominant species in this area was Echinarachnius parma by biomass. Hierarchical cluster analysis (Bray-Curtis similarity measure) revealed that two important benthic assemblages in the study area were Community A and Community B. Community A was stable and Community B was unstable, as shown by the Abundance/Biomass Comparisons (ABC) approach. The macrobenthic community structure in the shelf of the Bering Sea was characterized by its high abundance and biomass, high productivity but great heterogeneity.
- Bering Sea /
- marine macrobenthos /
- community structure /
- spatial distribution /
- diversity

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参考文献(23)

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Community structure and spatial distribution of macrobenthos in the shelf area of the Bering Sea

doi: 10.1007/s13131-014-0491-9

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Community structure and spatial distribution of macrobenthos in the shelf area of the Bering Sea

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