DOWNSTREAM CHANGES IN COMPOSITION, NUMBERS AND BIOMASS OF BOTTOM FAUNA IN TEES BELOW COW GREEN RESERVOIR AND IN AN UNREGULATED TRIBUTARY MAIZE BECK, IN 1ST 5 YEARS AFTER IMPOUNDMENT
DOWNSTREAM CHANGES IN COMPOSITION, NUMBERS AND BIOMASS OF BOTTOM FAUNA IN TEES BELOW COW GREEN RESERVOIR AND IN AN UNREGULATED TRIBUTARY MAIZE BECK, IN 1ST 5 YEARS AFTER IMPOUNDMENT
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DOI：
10.1007/bf00007996
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发表时间：
1978-01-01
期刊：
影响因子：
2.6
通讯作者：
ARMITAGE, PD
中科院分区：
文献类型：
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作者：
ARMITAGE, PD
研究了1972-1975年牛绿水库和玉米湾下游河道底栖动物组成、数量和生物量的变化，并比较了蓄水前和蓄水后的情况。物种多样性在大坝以下最低，在大坝下游240 m处物种数量和生物量最高。蓄水后蒂斯区动物密度增加，而玉米贝克区动物密度无明显变化。[研究了水螅目、三虫目、线虫目、环节目、片足目、翼翅目、蜉蝣目、毛翅目、鞘翅目、双翅目、软体动物和水螅目。]
Changes in composition, numbers and biomass of benthic fauna of the Tees below Cow Green Reservoir and an unregulated tributary Maize Beck were followed between 1972-1975, and pre- and post-impoundment conditions were compared. Species diversity was lowest just below the dam and numbers and biomass were highest 240 m downstream of the dam. Faunal densities increased in the Tees after impoundment, but in Maize Beck no major changes were observed. [Hydrozoa, Tricladida, Nematoda, Annelida, Amphipoda, Plecoptera, Ephemeroptera, Trichoptera, Coleoptera, Diptera, Mollusca and Hydrachnellae were studied.].