The life history of Branchinecta mackini Dexter (Crustacea: Anostraca) in an argillotrophic lake of Alberta

The life history of Branchinecta mackini Dexter (Crustacea: Anostraca) in an argillotrophic lake of Alberta
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艾伯塔省泥营养湖中的Branchinecta mackini Dexter(甲壳纲:Anostraca)的生活史

DOI:
10.1139/z77-020
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发表时间:
1977
影响因子:
1.4
通讯作者:
G. Daborn
G. Daborn
中科院分区:
生物学4区
文献类型:
--
作者:
G. Daborn

文献摘要

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B的生活史1970-1972年,在一个大型的粘土营养型湖泊中对mackini进行了研究。孵化开始后立即春季解冻,并终止盐度上升10天至2周后。生长速率在4周龄时达到1 mm/天的最大值,然后在7-8周龄时随着平均尺寸接近22-23 mm而下降。  离合器的大小变化的功能,女性的长度。最大生物量为580毫克干重/平方米(2700卡/平方米),5月下旬达到,其中3.9%,每天消耗的B。  千兆。能量的来源被认为是与悬浮颗粒相关的细菌-有机物复合体。生活史的细节进行了比较与其他神仙虾物种和B的作用。马奇尼在社区进行了讨论。
The life history of B. mackini was studied in a large argillotrophic lake during 1970–1972. Hatching began immediately after spring thaw and was terminated by rising salinity 10 days to 2 weeks later. Growth rates reached maxima of 1 mm/day at 4 weeks of age and then declined as mean size approached 22–23 mm at 7–8 weeks. Clutch sizes varied as a function of female length. Maximum biomass of 580 mg dry weight/m2 (2700 cal/m2) was reached in late May, of which 3.9% per day was consumed by B. gigas. Source of the energy is presumed to be a bacteria – organic matter complex associated with suspended particles. Life cycle details are compared with other fairy shrimp species and the role of B. mackini in the community is discussed.