Results 11 to 20 of about 6,148 (217)

First European Interlaboratory Ring Test Study to Detect DNA of Crayfish and the Crayfish Plague Pathogen From Water Samples

Environmental DNA
In recent years, European countries have intensified efforts to control or limit the spread of invasive freshwater crayfish and the crayfish plague pathogen Aphanomyces astaci, while working to conserve native species such as the noble crayfish (Astacus ...
Patrik Bohman, Kristofer Andersson, David A. Strand, Thomas Baudry, Kathrin Theissinger, Ivana Maguire, Michael Aluma, Anna Aspán, Martin Bláha, Ljudevit Luka Bostjancic, Carine Delaunay, Javier Diéguez‐Uribeondo, Lennart Edsman, Fabio Ercoli, Jean‐Yves Georges, Frédéric Grandjean, Bogna Griffin, Terhi Iso‐Touru, Birgitta Jacobsson, Katrin Kaldre, Alex King, Pavel Kozák, Lucija Markulin, María Martínez‐Ríos, Laura Martín‐Torrijos, Saima Mohammad, Michaela Mojžišová, Teja Petra Muha, Ludvig Orsén, John Persson, Simone Roberto Rolando Pisano, Lilian Pukk, Björn Rogell, Timo J. Ruokonen, Heike Schmidt‐Posthaus, Jonas Steiner, Linda Söderberg, Anti Vasemägi, Armin Zenker, Adam Petrusek   +39 more
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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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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., Hanel, Reinhold, Leiter, J., Oberkofler, B., Thaler, B.   +4 more
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New records of suctorians (Ciliophora: Suctoria) as epibionts of aquatic true bugs (Hemiptera: Prosorrhyncha: Nepomorpha) from two regions: Mexico and Eastern Europe [PDF]

, 2011
Here, we provide new records of suctorians (Ciliophora: Suctoria), epibionts of aquatic true bugs (Hemiptera: Prosorrhyncha: Nepomorpha) collected in Ukraine, Belarus and Mexico.
Dovgal, I. V., Marіño-Pérez, Ricardo, Mayén-Estrada, Rosaura   +2 more
core   +1 more source

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.
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EVALUATION OF THE AMERICAN WATERWEED (ELODEA CANADENSIS MICHX.) AS SUPPLEMENTAL FOOD FOR THE NOBLE CRAYFISH, ASTACUS ASTACUS

Knowledge and Management of Aquatic Ecosystems, 2004
We conducted a preliminary study to evaluate the capacity of summerling Astacus astacus to consume the American waterweed (Elodea canadensis Michx.).under artificial rearing conditions. Summerling A.
D’AGARO E., RENAI B., GHERARDI F.
doaj   +1 more source