Results 21 to 30 of about 6,082 (218)
DISTRIBUTION OF CRAYFISH IN SALZBURG, AUSTRIA
Knowledge and Management of Aquatic Ecosystems, 2005 Mapping of crayfish populations in the province of Salzburg was carried out in the years 2002 and 2003. Five crayfish species were found, two of them native: Astacus astacus and Austropotamobius torrentium, and three foreign: Astacus leptodactylus ...
PATZNER R. A. +4 more
doaj +1 more source
Knowledge and Management of Aquatic Ecosystems, 2001 Since 1893, crayfish plague, Aphanomyces astaci Schikora, has devastated Finland’s most productive populations of the native noble crayfish, Astacus astacus, causing great losses to once very valuable fisheries and exports.
WESTMAN K., SAVOLAINEN R.
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NATIVE AND ALIEN DECAPODA SPECIES IN HUNGARY:DISTRIBUTION, STATUS, CONSERVATION IMPORTANCE
Knowledge and Management of Aquatic Ecosystems, 2005 Three native (Astacus astacus, Astacus leptodactylus, Austropotamobius torrentium) and three alien (Orconectes limosus, Pacifastacus leniusculus, Eriocheir sinensis) Decapoda species have been found in Hungary so far. A.
PUKY M., REYNOLDS J. D., SCHÁD P.
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Генетична диференціація річкових раків із водойм басейну р. Прип'ять
Науковий вісник Східноєвропейського національного університету імені Лесі Українки: Серія: Біологічні науки, 2018 На основі проведених досліджень алозимної мінливості доведено наявність у водоймах басейну річки Прип’ять трьох видів річкових раків: A. astacus, A. angulosus та A. leptodactylus. Установлено, що вид A.
Vitaliy Kostyuk +2 more
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The freshwater crayfish Austropotamobius pallipes in South Tyrol. Heritage species and bioindicator [PDF]
, 2003 Rapid decline of crayfish in European freshwaters and continuing threat necessitate integrated actions in conservation and management of native crayfish populations.
Fureder, L. +4 more
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DISTRIBUTION, RECENT MORTALITIES AND CONSERVATION MEASURES OF CRAYFISH IN HELLENIC FRESH WATERS
Knowledge and Management of Aquatic Ecosystems, 2007 Freshwater crayfish are found in 20 out of 53 Prefectures of Greece (38%) and they form isolated populations in relatively pristine water bodies. Three indigenous crayfish species (ICS) occur in Greek waters: Astacus astacus, Astacus leptodactylus and ...
KOUTRAKIS E. +4 more
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Knowledge and Management of Aquatic Ecosystems, 2004 After the first spread of crayfish plague (aphanomycosis) at the end of the nineteenth century, the formerly abundant populations of native crayfish in Poland declined drastically.
ŠMIETANA P. +2 more
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Knowledge and Management of Aquatic Ecosystems, 2007 A laboratory experiment was carried out to test the combined effects of ration size (1 vs 3% body weight, b.w.) and temperature (15 ± 2 vs 22 ± 2 °C) on moult increment and metabolic parameters of 80 juvenile noble crayfish (Astacus astacus). The maximum
RENAI B., GHERARDI F., D’AGARO E.
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Drivers of the range expansion of the European catfish (Silurus glanis) within its native distribution. [PDF]
J Fish BiolAbstract The European catfish Silurus glanis L. continues to spread as an invasive species in Europe. Meanwhile, increasing abundance and range expansions are also suspected within its native distribution. The objective of this study was to characterize the feeding, growth and abundance of S.
Baer J +4 more
europepmc +2 more sources
The Effects of Intraspecific Variation of Crayfish Behavior on Nutrient Cycling in Aquatic Environments [PDF]
, 2020 Human activities are rapidly altering species traits at a global scale. Yet, there remains a critical need to determine whether trait variation within species affects ecosystem responses to global change. In particular, intraspecific variation in feeding
Acheson, Paul
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