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当前位置: 首页 > 文章 > 伊朗-沼泽中水生甲虫体长与体重的关系 昆虫学报 2010,053 (8) 932-935
Position: Home > Articles > Length-weight relationships for aquatic beetles (Coleoptera) in a marsh in Iran Acta Entomologica Sinica 2010,053 (8) 932-935

伊朗-沼泽中水生甲虫体长与体重的关系

关键词：
昆虫;鞘翅目;生物量;体长;体重;沼泽;伊朗
摘  要：
本研究所用标本为7种水生甲虫,均采自伊朗Choghakhor沼泽.通过对水生甲虫的体长和体重的测量,研究其体长.体重关系(LWR).结果表明:LWR参数6的变动范嗣在2.315~3.117之间.所有被观察的水生甲虫体长与体重关系明显,相关系数(r2)均高.本研究所得到的这种相互关系可被用于确定甲虫体重,并有助于解决其他的一些生态学问题.本研究所提出的体长.体重关系(LWR)限制于所观察到的标本体长范围.
译  名：
Length-weight relationships for aquatic beetles (Coleoptera) in a marsh in Iran
关键词：
Insects%Coleoptera%biomass%body length%body weight%marsh%Iran
摘  要：
The aim of the investigation was to determine length-weight relationships (LWR) as an alternative method for determining insect biomass.The LWR were calculated for seven aquatic beetles species caught at Choghakhor Marsh in Iran.Individuals'' samples were dried at 60℃ for 24 h,cooled in a desecrator,and weighted to the nearest 0.001 g.Each beetle was also measured for body length to the nearest 0.1 mm.The parameters of LWR (a and b values) were estimated by linear regression on the transformed equation:Log W=log a + b log L.The results indicated that the parameter b on LWR varied between 2.315 and 3.117.Significant LWR with high correlation coefficient (r2) were found for all species examined.The obtained relations can be used in the determination of the weight of the beetle and they are also useful in addressing many ecological questions.The application of the LWR presented here should be restricted to the observed length ranges.

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