Results 131 to 140 of about 6,247 (262)

The activity of signal crayfish (Pacifastacus leniusculus) in relation to thermal and hydraulic dynamics of an alluvial stream, UK [PDF]

open access: yes, 2014
Signal crayfish (Pacifastacus leniusculus) are an invasive species of global significance because of their detrimental impacts on freshwater environments and native organisms.
BS Cade   +38 more
core   +2 more sources

The future of the indigenous freshwater crayfish Austropotamobius italicus in Basque Country streams: Is it possible to survive being an inconvenient species? [PDF]

open access: yes, 2009
The white-clawed freshwater crayfish Austropotamobius italicus is listed as “vulnerable” in the Spanish Red List of threatened species, but local legislation varies among Spanish regions.
A. Antón, A. Rallo, L. García-Arberas
core  

THE STONE CRAYFISH AUSTROPOTAMOBIUS TORRENTIUM (SCHRANK) IN THE CZECH REPUBLIC

open access: yesKnowledge and Management of Aquatic Ecosystems, 2002
Five species of crayfish, comprising two native species Austropotamobius torrentium and Astacus astacus, one introduced European species, Astacus leptodactylus and two alien American species, Orconectes limosus and Pacifastacus leniusculus, occur in open
KOZAK P., DURIS Z., POLICAR T.
doaj   +1 more source

FRESHWATER CRAYFISH IN SOUTH TYROL (ITALY): DISTRIBUTION AND PROTECTION MEASURES OF ENDANGERED AUSTROPOTAMOBIUS PALLIPE

open access: yesKnowledge and Management of Aquatic Ecosystems, 2002
Freshwater crayfish are among the most endangered animals in Europe. Information on freshwater crayfish in the Italian province of South Tyrol was insufficient until the recent studies on their historical and present distribution, which showed the ...
FÜREDER L.   +3 more
doaj   +1 more source

Predatory impacts of alien decapod Crustacea are predicted by functional responses and explained by differences in metabolic rate

open access: yes, 2018
Alien predators can have large impacts on prey. It is important that we understand, and ideally predict, these impacts. Here, we compare predatory impacts of size-matched decapod crustaceans—invasive alien Eriocheir sinensis and Pacifastacus leniusculus,
Dunn, AM, Taylor, NG
core   +1 more source

Are the effects of an invasive crayfish on lake littoral macroinvertebrate communities consistent over time?

open access: yesKnowledge and Management of Aquatic Ecosystems, 2016
Management of invasive species requires assessment of their effects on recipient ecosystems. However, impact assessment of invasive species commonly lacks a long-term perspective which can potentially lead to false conclusions.
Ruokonen T. J.   +2 more
doaj   +1 more source

Survey on fungal, parasites and epibionts infestation on the Astacus leptodactylus (Eschscholtz, 1823), in Aras Reservoir West Azarbaijan, Iran [PDF]

open access: yes, 2011
A total of 394 (255 males, 139 females) live freshwater crayfish Astacus leptodactylus from four stations of Aras reservoir in West Azarbaijan Province (North-Western Iran) were studied during the winter until early autumn of 2009 for the presence of ...
Afsharnasab, M.   +5 more
core  

Вплив різних концентрацій NaCL на реакції поведінки річкових раків роду Astacus [PDF]

open access: yes, 2017
Tato diplomová práce se zabývá analýzou a porovnáním dvou kategorií pohádkových filmů studia Disney. Na straně jedné stojí animované snímky 20. století, na straně druhé pak jejich moderní hrané verze.
Геля, С. Л., Костюк, В. С.
core   +1 more source

Home - About - Disclaimer - Privacy