Results 151 to 160 of about 3,058 (177)
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Amphipod ( Gammarus minus ) responses to predators and predator impact on amphipod density
Oecologia, 1998Recent theoretical work suggests that predator impact on local prey density will be the result of interactions between prey emigration responses to predators and predator consumption of prey. Whether prey increase or decrease their movement rates in response to predators will greatly influence the impact that predators have on prey density.
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1934
(Uploaded by Plazi from the Biodiversity Heritage Library) No abstract provided.
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(Uploaded by Plazi from the Biodiversity Heritage Library) No abstract provided.
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Pressure Sensitivity of an Amphipod
Science, 1961The responses of an intertidal amphipod indicate an ability to perceive rapid pressure changes of less than 0.01 atm. The interaction of rate of change of pressure and total difference in pressure implies a rapid accommodation as well as a threshold. Evidence suggests that the sensory mechanism may not involve compressibility of a gas.
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Mercury-Contaminated Sediments Affect Amphipod Feeding
Archives of Environmental Contamination and Toxicology, 2010A 125-mile reach of the South River, Virginia, was contaminated with mercury during the first half of the 20th century. As increased concentrations of mercury have persisted, researchers have carefully studied its distribution in the river biota and estimated associated risks.
Mirco, Bundschuh +4 more
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Luminescence in Marine Amphipods
Nature, 1967ALTHOUGH bioluminescence is a common phenomenon among many marine Crustacea1,2, records of its occurrence among the Amphipoda are few. Of those records that exist, all the actual observations of light production (except perhaps that of Bowman on Parapronoe, as cited in ref.
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Integumental Pigments of the Amphipod, Jassa
Nature, 1970THE integumental pigments of the isopod Crustacea are ommochromes1,2, but by contrast the effectively similar colour of the amphipod Gammarus is due to carotenoids3, probably in the form of carotenoproteins. The implication of these findings was that this constitutes a general distinction between these rather closely related orders.
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Crustaces Amphipodes Gammariens
Journal of Crustacean Biology, 1987J. Laurens Barnard, M. Ledoyer
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