Results 11 to 20 of about 6,082 (218)

Integrating population genetics and species distribution modelling to guide conservation of the noble crayfish, Astacus astacus, in Croatia [PDF]

Scientific Reports, 2022
The noble crayfish, Astacus astacus, is an indigenous European freshwater species. Its populations show significant declines caused by anthropogenic pressure on its habitats, climate change and the spread of invasive species.
Leona Lovrenčić, Martina Temunović, Riho Gross, Marin Grgurev, Ivana Maguire   +4 more
doaj   +2 more sources

Native European crayfish Astacus astacus competitive in staged confrontation with the invasive crayfish Faxonius limosus and Procambarus acutus. [PDF]

PLoS ONE, 2022
The European native, noble crayfish (Astacus astacus) has suffered from a serious and long term population decline due to habitat destruction, water pollution and the impact of the invasive North American crayfish that are carriers of the crayfish plague
Ivo Roessink, Karina A E van der Zon, Sophie R M M de Reus, Edwin T H M Peeters   +3 more
doaj   +2 more sources

MORPHOLOGICAL CHANGES IN ASTACUS ASTACUS GONADS DURING THE REPRODUCTIVE CYCLE [PDF]

Knowledge and Management of Aquatic Ecosystems, 2006
The reproductive cycle of Astacus astacus was described by the external observation of the gonads, recording changes in the gonadosomatic index (GSI) and by the histological analysis of the reproductive organs.
LUCIĆ A., ERBEN R., LACKOVIĆ G.
doaj   +3 more sources

Genetic diversity and structure of the noble crayfish populations in the Balkan Peninsula revealed by mitochondrial and microsatellite DNA markers [PDF]

PeerJ, 2021
Background The noble crayfish (Astacus astacus) is a native European species in decline, with a contracting range and diminishing populations and abundance. Previous studies revealed this species significant genetic diversity in the south-eastern Europe,
Riho Gross, Leona Lovrenčić, Mišel Jelić, Frederic Grandjean, Simona Ðuretanović, Vladica Simić, Oksana Burimski, Lena Bonassin, Marius-Ioan Groza, Ivana Maguire   +9 more
doaj   +3 more sources

DETERMINATION OF HEAVY METALS CONTENT IN ASTACUS LEPTODACTYLUS CASPICUS IN ANZALI LAGOON [PDF]

‬‭Majallah-i ̒Ilmī-i Shīlāt-i Īrān, 2003
With attention to different human activities around Anzali lagoon and entrance different pollutants containing heavy metals into this aquatic ecosystem and alterante absorption and accumulation of heavy metals in shell and muscle of Astacus leptodactylus
maryam paydar1; M. Sharif Fazeli2; A. Riahi Bakhtiari2
doaj   +2 more sources

REINTRODUCTION OF ASTACUS ASTACUS L. IN EAST TYROL, AUSTRIA [PDF]

Knowledge and Management of Aquatic Ecosystems, 2004
In Tyrolean like in other European freshwaters, crayfish populations decreased in numbers and qualities. They are today regarded as endangered animals. The Astacus astacus (Linnaeus, 1758) population of historical evidence in Tristacher See and its out ...
SINT D., FÜREDER L.
doaj   +2 more sources

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
doaj   +2 more sources

EXPLOITATION IS A PREREQUISITE FOR CONSERVATION OF ASTACUS ASTACUS [PDF]

Knowledge and Management of Aquatic Ecosystems, 2004
The noble crayfish, Astacus astacus, is highly valued from a recreational and economical point of view. In most noble crayfish areas, there are long traditions of crayfish catching.
TAUGBØL T.
doaj   +2 more sources

Distribution of Non-Indigenous Crayfish Species in Estonia and Their Impacts on Noble Crayfish (Astacus astacus L.) Populations

Diversity, 2023
Invasive non-indigenous crayfish species (NICS) are a major threat to the existence of native crayfish populations in European freshwater ecosystems. The discovery of signal crayfish Pacifastacus leniusculus, marbled crayfish Procambarus virginalis, and ...
Michael Oliewo Aluma, Lilian Pukk, Margo Hurt, Katrin Kaldre   +3 more
doaj   +1 more source

In search of the unexpected: the first finding of an islandic population of the noble crayfish Astacus astacus in Greece redefines its distribution

Knowledge and Management of Aquatic Ecosystems, 2022
This contribution presents the first record of the noble crayfish Astacus astacus (Linnaeus, 1758) in Euboea (Evia) Island, Greece. The crayfish was found during a fish monitoring expedition in the upper Mesapios River, in a reach that maintains flow ...
Karaouzas Ioannis, Leris Ioannis, Kapakos Yiannis, Kalaitzakis Nektarios, Fytilis Konstantinos, Kouraklis Petros, Kalogianni Eleni   +6 more
doaj   +1 more source