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机构地区:[1]School of Life Science and Technology
出 处:《Chinese Journal of Oceanology and Limnology》2003年第3期229-244,共16页中国海洋湖沼学报(英文版)
基 金:ProjectsupportedbyNSFC ( 3 943 0 1 0 1,3 960 019),bythefoundationofthegovermentofHubeiProvince,projectnumber2000J109,andbythefoundationoftheEcologicalStation CAS
摘 要:Energy flow of the macrozoobenthic community in an algal lake, Houhu Lake (Wuhan, China) was investigated from April, 1996 to March, 1997. The estimated consumption of the community was 2522.7 kJ/(m 2·a); defecation was 2049.1 kJ/(m 2·a); metabolism 371.2 kJ/(m 2·a); excretion 34.7 kJ/(m 2·a) and production 67.7 kJ/(m 2·a). The assimilation rate of the community was 19%; and 81% of its ingestion was defecated. The computed net growth efficiency was 14%, much lower than most reported values, which meant that the macrozoobenthic community in Houhu Lake utilized food less effectively.Energy flow of the macrozoobenthic community in an algal lake, Houhu Lake (Wuhan, China) was investigated from April, 1996 to March, 1997. The estimated consumption of the community was 2522.7 kJ/(m 2·a); defecation was 2049.1 kJ/(m 2·a); metabolism 371.2 kJ/(m 2·a); excretion 34.7 kJ/(m 2·a) and production 67.7 kJ/(m 2·a). The assimilation rate of the community was 19%; and 81% of its ingestion was defecated. The computed net growth efficiency was 14%, much lower than most reported values, which meant that the macrozoobenthic community in Houhu Lake utilized food less effectively.
关 键 词:energy flow macrozoobenthic community Houhu Lake
分 类 号:P733[天文地球—物理海洋学]
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