Results 121 to 130 of about 272 (158)
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The state of the population of narrow-clawed crayfish in Lake Sevan (Armenia) under multiple stress conditions

Environmental Monitoring and Assessment, 2023
The narrow-clawed crayfish is a crayfish species that was accidentally introduced into the ecosystem of Lake Sevan in the 1980s. Soon it became one of the most preferred fisheries in the lake and an important link in the food chain by successfully replacing the endemic fish subspecies Sevan khramicarp (Capoeta sevangi, De Filippi, 1865) in the chain of
Evelina Ghukasyan   +5 more
openaire   +2 more sources

Population structure and genetic analysis of narrow-clawed crayfish (Astacus leptodactylus) populations in Turkey

Genetica, 2014
The genetic differentiation among Turkish populations of the narrow-clawed crayfish was investigated using a partial sequence of cytochrome oxidase subunit I gene (585 bp) of 183 specimens from 17 different crayfish populations. Median joining network and all phylogenetic analyses disclosed a strong haplotype structure with three prominent clades ...
BERBER, SELÇUK   +3 more
openaire   +3 more sources

Acclimation, thermal tolerance and aerobic metabolism of narrow-clawed crayfish, Pontastacus leptodactylus (Eschscholtz, 1823)

Journal of Thermal Biology
Ectotherms are considered more susceptible to global warming. Variations in ambient temperature are especially alarming as the majority of animals are ectothermic, with temperature seen as a crucial determinant of their ecology, biogeography, behaviour, and physiology.
Mehmet Kir
exaly   +3 more sources

Updates on the distribution of the white-clawed and the narrow-clawed crayfish in Croatia

Crayfish news, 2006
The latest findings on the distribution of freshwater crayfish of the family Astacidae in Croatia were described.
Kučinić, Mladen   +3 more
openaire   +2 more sources

Effects of synbiotics on immunity and disease resistance of narrow-clawed crayfish, Astacus leptodactylus leptodactylus (Eschscholtz, 1823)

Fish and Shellfish Immunology, 2017
The aim of this study was to evaluate the effects of prebiotics (mannanoligosaccharide and xylooligosaccharide), probiotics (Enterococcus faecalis and Pediococcus acidilactici) and synbiotics for 126 days on the immune responses, hemolymph indices, antioxidant enzymes, and biological responses after a 48-hour Aeromonas hydrophila exposure of sub-adult ...
Omid Safari   +2 more
exaly   +3 more sources

Noble crayfish and narrow-clawed crayfish hybridisation experiment in natural habitat

2013
Mixed populations of noble (Astacus astacus) and narrow-clawed crayfish (Astacus leptodactylus) can be found across Europe, but the existence of their hybrids has not yet been confirmed. Up till now, hybrids between the two species were obtained in laboratory conditions, however juveniles did not survive.
Jelić, Mišel   +3 more
openaire   +2 more sources

FINDING THE NARROW-CLAWED CRAYFISH, (DECAPODA, ASTACIDAE), IN KOSMYUSOZERO, NORTH KARELIA, RUSSIA

Зоологический журнал / Russian Journal of Zoology
The narrow-clawed crayfish, (Eschscholtz, 1823), has been recorded for the first time in the Vyg River basin, White Sea basin, Belomorsky District of the Republic of Karelia, northwestern Russia. The newly identified habitat is located at a considerable distance from the previously known ones in Karelia. The main pathway of river crayfish dispersal is
E.S. Savosin   +2 more
openaire   +1 more source

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