The Ecology of Running WatersFor advanced students. |
Contents
Water flow and stream channels I | 1 |
Physical characteristics of flowing water | 28 |
Chemical characteristics of flowing water | 36 |
Copyright | |
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abundant active adults algae amount animals appear applies areas attached become biomass breeding caused cent channel clear collected common considerable course cycles direct discharge downstream drift early ecology effect eggs emergence Europe example fact factor fairly fall fauna feed fish flow further genera groups grow growth habitat Hynes important increase indicate insects invertebrates known lakes larger larvae least less live lower material mayflies mean measured method Michigan move normal noted numbers nymphs observed occur organisms oxygen particularly period places plankton plants populations possible present presumably probably production pupae reaches reduced relatively remain rivers running water samples sand season seems seen showed shown similar Similarly Simulium species specimens spring stoneflies stones streams substratum suggested summer surface Table temperature tend trout types upstream usually varies various VIII winter