Results 11 to 20 of about 865 (176)

Astacus astacus

, 2020
Published as part of Aleksejevs, Ēriks & Birzaks, Jānis, 2020, Distribution Of Freshwater Crayfish In Latvia, pp.
Aleksejevs, Ēriks, Birzaks, Jānis
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Status and management of noble crayfishAstacus astacusin Estonia [PDF]

Knowledge and Management of Aquatic Ecosystems, 2009
Noble crayfish Astacus astacus (L.) is an indigenous and the only crayfish species in Estonia. It is potentially endangered by invasion of alien species, diseases and habitat deterioration but does not have legal protected status and is fished only for recreational purpose. Crayfish Working Group of Ministry of Environment and Department of Aquaculture
T. Paaver, M. Hurt
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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., LANGMAIER S., SCHACHERL S., STRASSER A., ZICK D.   +4 more
doaj   +1 more source

LONG TERM STUDY OF COMPETITION BETWEEN TWO CO-OCCURRING CRAYFISH SPECIES, THE NATIVE ASTACUS ASTACUS L. AND THE INTRODUCED PACIFASTACUS LENIUSCULUS DANA, IN A FINNISH LAKE.

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.
doaj   +1 more source

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.
doaj   +1 more source

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, Sergey Mezhzherin, Alexander Garbar   +2 more
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Type of the Genus Astacus [PDF]

Science, 1907
n ...
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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., PERDIKARIS C., MACHINO Y., SAVVIDIS G., MARGARIS N.   +4 more
doaj   +1 more source

REVIEW OF THE NATIONAL RESTOCKING PROGRAMME “ACTIVE PROTECTION OF NATIVE CRAYFISH IN POLAND” 1999-2001

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., KRZYWOSZ T., STRUŻYŃSKI W.   +2 more
doaj   +1 more source

EFFECTS OF RATION SIZE AND TEMPERATURE ON MOULT INCREMENT AND METABOLIC PARAMETERS OF JUVENILE NOBLE CRAYFISH, ASTACUS ASTACUS

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.
doaj   +1 more source