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Substrata 1

clogging 1

ecology 1

hyporheic exchange 1

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invertebrate bioturbation 1

physical environmental 1

streambed 1

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the Elkhorn River 1

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Effect of streambed substrate on macroinvertebrate biodiversity

DUAN Xuehua, WANG Zhaoyin, TIAN Shimin

Frontiers of Environmental Science & Engineering 2008, Volume 2, Issue 1, Pages 122-128 doi: 10.1007/s11783-008-0023-y

Abstract: The aim of this work is to study the effects of the characteristics of streambed substrate, such as grain

Keywords： Substrata physical environmental indicator ecology substrate

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Observation of bioturbation and hyporheic flux in streambeds

Jinxi SONG, Xunhong CHEN, Cheng CHENG,

Frontiers of Environmental Science & Engineering 2010, Volume 4, Issue 3, Pages 340-348 doi: 10.1007/s11783-010-0233-y

Abstract: burrows, tubes, and sediment mounds created by invertebrate bioturbation were observed in the exposed streambedan increase of pore size in the sediments, leading to greater vertical hydraulic conductivity of the streambedThe measurements of the vertical hydraulic gradient across the submerged streambed show that verticalIn situ permeameter tests show that streambed in the upper sediment layer is much higher than that inthe lower sediment layer, and the calculated in the submerged streambed is consistently greater than

Keywords： invertebrate bioturbation clogging hyporheic exchange streambed the Elkhorn River