Results 171 to 180 of about 22,838 (267)

Chemical orientation of the crayfish Procambarus clarkii (Girard, 1852) to conspecific sexes and commercial fish feed

open access: yes, 2006
Semiochemicals of crustaceans are promising for setting up low impact control methods of invasive alien species. In the present study the orientation response of both sexes of the Louisiana red swamp crayfish, Procambarus clarkii (Girard, 1852), to ...
GERMINARA G. S   +7 more
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Radio-tracking Interval Effects on the Accuracy of Diel Scale Crayfish Movement Variables

open access: yes, 2008
The effect of increasing the interval between radio-tracking fixes above 1 h was examined for estimates of the diel activity, diel mobility, and diel range of the Murray River crayfish, Euastacus armatus. Estimates of these diel variables were determined
C. Ebner, Brendan   +2 more
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Thelohaniasis in white-clawed crayfish Austropotamobius pallipes complex from Belluno province (North Eastern Italy).

open access: yes, 2010
From 2004 to 2006, during summer and early autumn, a parasitological survey aimed at detecting the microsporidian parasite Thelohania contejeani Henneguy, responsible for Porcelain Disease or Thelohaniasis, was performed on 177 wild white-clawed crayfish
FIORETTO, BARBARA   +7 more
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DIET AND TROPHIC NICHE OF THE INVASIVE SIGNAL CRAYFISH IN THE FIRST INVADED ITALIAN STREAM ECOSYSTEM

open access: yes, 2017
We evaluated the seasonality of diet and trophic niche of invasive signal crayfish (Pacifastacus leniusculus) in order to estimate the ecological role and effects on native communities of the first Italian stream ecosystem invaded by this species.
Ruokonen, Timo J   +4 more
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Freshwater fish and crayfish communities of the tributaries of the Margaret River

open access: yes, 2009
Tributaries and headwaters of major rivers are known to be important spawning and nursery habitats of freshwater endemic fishes in south-western Australia (see for example the Collie River in Pen & Potter 1990, and the Blackwood River in Beatty et al ...
Morgan, D., Allen, M., Beatty, S.
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