Results 21 to 30 of about 277,265 (209)
Although a large number of rivers stretches in Southeast Europe (SEE) have a pristine status compared to the rest of Europe, these ecosystems and their freshwater biodiversity are perceptibly threatened.
Danilović Milan +2 more
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Free-flowing water is thought to be of importance for reproduction and body growth of noble crayfish (Astacus astacus (Linné)) in the northern edge of its distribution area.A hydroelectric power plant with a bypass tunnel was built in the river Ljungan ...
Palo, Thomas,, Zimmerman, Jenny,
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The freshwater and land crayfish of Australia [PDF]
(Uploaded by Plazi from the Biodiversity Heritage Library) No abstract provided.
openaire +1 more source
HAZARD ANALYSIS OF EXOTIC PATHOGENS OF POTENTIAL THREAT TO EUROPEAN FRESHWATER CRAYFISH.
Managers, scientists, fishermen and farmers who work with freshwater crayfish understand clearly the severe affects that the introduction of an exotic pathogen can have on freshwater crayfish populations.
EDGERTON B. F.
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The amount of environmental DNA increases with freshwater crayfish density and over time
Over the last years, the analysis of environmental DNA (eDNA) has become an important approach to investigate species communities. Due to its non‐invasive nature and high sensitivity, this method is excellently suited to monitor the occurrence of ...
Daniela Sint +4 more
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Ecological plasticity and commercial impact of invasive marbled crayfish populations in Madagascar
Background The marbled crayfish (Procambarus virginalis) is a monoclonal, parthenogenetically reproducing freshwater crayfish species that has formed multiple stable populations worldwide.
Ranja Andriantsoa +6 more
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Human dimensions in endangered species conservation are often overlooked. However, including human dimensions in conservation projects can help conservationists integrate social and ecological dimensions and investigate individual or society’s ...
Elena Mercugliano +7 more
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Double blow: Alien crayfish infected with invasive temnocephalan in South African waters
Trade in live, freshwater crayfish for ornamental markets, as well as for aquaculture, has grown rapidly and has become the major pathway for the introduction of non-indigenous crayfish species to several countries worldwide.
Louis du Preez, Nico Smit
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Land use, associated eel production, and abundance of fish and crayfish in streams in Waikato, New Zealand [PDF]
The density and biomass of fish and crayfish, and the production of eels, was compared among streams in native forest, exotic forest, and pasture. Populations were estimated by multiple-pass electroshocking at 11 sites in hill-country streams in the ...
Hicks, Brendan J. +3 more
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Flow cytometric characterization of freshwater crayfish hemocytes for the examination of physiological status in wild and captive animals [PDF]
Enumeration of invertebrate hemocytes is a potentially powerful tool for the determination of physiological effects of extrinsic stressors, such as hypoxia, disease, and toxicant exposure.
Landman, Michael J. +5 more
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