Results 131 to 140 of about 5,745 (237)
MONITORING THE DISTRIBUTION OF CRAYFISH IN ENGLAND AND WALES
Knowledge and Management of Aquatic Ecosystems, 2002 The distribution of crayfish in England and Wales is described for the period 1997 to 2001 inclusive and is illustrated using a catchment based classification scheme and 10-km square maps.
SIBLEY P. J. +2 more
doaj +1 more source
Oregon Lake Watch, 2015 Annual Report [PDF]
, 2015 The Oregon Lake Watch (OLW) volunteer monitoring program completed its third year of operation during 2015 with a focus on early detection of aquatic invasive species (AIS) and water quality status and trend assessments for the better management of ...
Cimino, Samuel +2 more
core +1 more source
THE STONE CRAYFISH AUSTROPOTAMOBIUS TORRENTIUM (SCHRANK) IN THE CZECH REPUBLIC
Knowledge 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
Knowledge 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
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On the distribution of alien non-marine and estuarine macro-crustaceans in Belgium [PDF]
, 2002 The distributions of fifteen species of macroscopic crustaceans living in non-marine and estuarine environments in Belgium are discussed. The species in question are: the conchostracan Leptestheria dahalacensis, the amphipods Gammarus tigrinus ...
Wouters, K.
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Knowledge 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
The future of the indigenous freshwater crayfish Austropotamobius italicus in Basque Country streams: Is it possible to survive being an inconvenient species? [PDF]
, 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
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Der Edelkrebs (Astacus astacus) im Kreis Höxter [PDF]
, 2013 Bis Ende des 19. Jahrhunderts waren in den Gewässern Deutschlands drei Flusskrebsarten beheimatet. Während der Edelkrebs (Astacus astacus; Abb. 1) ursprünglich in ganz Deutschland anzutreffen war, beschränkten sich die Vorkommen des Dohlenkrebses ...
Beinlich, Burkhard
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Вплив різних концентрацій NaCL на реакції поведінки річкових раків роду Astacus [PDF]
, 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.
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Survey on fungal, parasites and epibionts infestation on the Astacus leptodactylus (Eschscholtz, 1823), in Aras Reservoir West Azarbaijan, Iran [PDF]
, 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
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