نتایج جستجو برای: chironomids
تعداد نتایج: 292 فیلتر نتایج به سال:
Chironomids (Diptera: Chironomidae; non-biting midges) are known to be carriers of the Vibrio cholerae bacterium, responsible for the fatal cholera disease in humans. It was recently discovered that chironomid females choose their oviposition site by a visual cue. In this study, we test the hypothesis that this visual cue is the linear polarization of light reflected from the water surface. We ...
The exotic zebra mussel, Dreissena polymorpha, is established in all of the Laurentian Great Lakes and may affect benthivorous fishes by increasing the complexity of benthic substrates and changing energy flow patterns within the food web. Native yellow perch, Perca flavescens, and the nonindigenous Eurasian ruffe, Gymnocephalus cernuus, are benthivores that may compete for limited food resourc...
We developed mathematical models that simulate community dynamics derived from a series of perturbation 13 experiments. These experiments were performed in an Atlantic Forest stream. The three trophic level community 14 was submitted to two combinations of press perturbation experiment. In the first, the top trophic level was 15 removed by electrical exclusion. In the second configuration, the ...
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