Levels of accumulation of heavy metals and activity of radionuclides in narrow-clawed crayfish (Astacus leptodactylus Eschscholtz, 1823) of the Kamianske and Zaporizhzhia (Dnipro) reservoirs [PDF]
Ribogospodarsʹka Nauka Ukraïni, 2023 Purpose. To determine the content of heavy metals as well as natural and artificial radionuclides in muscle tissue and carapaces of narrow-clawed crayfish Astacus leptodactylus of the Kamianske and Zaporizhzhia (Dnipro) reservoirs. Methodology.
P. Korzhenevska +3 more
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Elevated water temperature impairs gamete production in male narrow-clawed crayfish Pontastacus leptodactylus (Eschscholtz, 1823) [PDF]
Knowledge and Management of Aquatic Ecosystems, 2018 Water temperature is one of the major environmental factors affecting the reproductive output of freshwater crayfish. The reproduction of freshwater crayfish only occurs in a limited water temperature range and minor changes in water temperature could ...
Farhadi Ardavan +1 more
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Antioxidant radical scavenging capacity and total carotenoid content of narrow-clawed crayfish (Pontastacus leptodactylus, Eschscholtz, 1823) in Atikhisar Reservoir (Çanakkale, Türkiye) [PDF]
Oceanological and Hydrobiological Studies, 2023 In this study, antioxidant radical scavenging capacity and total carotenoid content in the meat and shells of Pontastacus leptodactylus were investigated.
Acarlı Sefa +5 more
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The features of narrow-clawed crayfish (Pontastacus leptodactylus Eschscholtz, 1823) population development in Lake Sevan during 1996–2018 [PDF]
Трансформация экосистем, 2019 The narrow-clawed crayfish, an invasive hydrobiont of Lake Sevan appeared in the lake due to accidental introduction having occupied almost the entire territory of Lake Sevan, finding favorable conditions for its existence.
Evelina Kh. Ghukasyan +3 more
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CONFIRMATION OF OCCURRENCE OF THE NARROW-CLAWED CRAYFISH ? STACUS LEPTODACTYLUS ESCHSCHOLTZ, 1823 IN THE RIVER EVROS IN GREECE [PDF]
Knowledge and Management of Aquatic Ecosystems, 2007 The narrow-clawed crayfish Astacus leptodactylus Eschscholtz, 1823, is widely distributed in eastern European and western Asian countries. However, species presence in Greece was documented only by limited museum conserved specimens dating back to 1893 ...
PERDIKARIS C. +3 more
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Fecundity of the narrow-clawed crayfish Pontastacus leptodactylus in the water bodies of Belarus
Proceedings of the National Academy of Sciences of Belarus, Biological Series, 2023 Pre-larvae hatching fecundity and ovarian fecundity of narrow-clawed crayfish populations were estimated in the lakes and reservoirs of Belarus. Statistically significant differences in the fecundity of females from various water bodies were noted only for Lake Kichino.
А. В. Алехнович
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Acta Natura et Scientia, 2022 The crayfish population dramatically declined in most lakes and dams in Türkiye; hence, crayfish culture is a possible option to increase the supply. This study aimed to determine the effects of stocking density on the growth performance and survival ...
Yavuz Mazlum, Cumhur Uzun
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Immune Response in Crayfish Is Species-Specific and Exhibits Changes along Invasion Range of a Successful Invader [PDF]
Biology, 2021 Immunity is an important component of invasion success since it enables invaders’ adaptation to conditions of the novel environment as they expand their range.
Paula Dragičević +6 more
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Prevalence, molecular identification and genotyping of the crayfish plague pathogen, Aphanomyces astaci in major narrow-clawed crayfish (Pontastacus leptodactylus Eschscholtz, 1823) populations from Türkiye [PDF]
Journal of Veterinary ResearchCrayfish plague is considered the most important crayfish disease globally. It is caused by the fungus-like agent, Aphanomyces astaci. This study aimed to identify and determine the prevalence of A. astaci using PCR in narrow-clawed crayfish (Pontastacus
Akhan Süleyman +5 more
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Effects of methyl farnesoate injection on spermatozoa number and reproductive indices in the narrow-clawed crayfish Pontastacus leptodactylus [PDF]
Nauplius, 2022 In this study, the effect of methyl farnesoate (MF) injection on haemolymph MF levels, spermatozoa production and the reproductive indices of gonadosomatic index (GSI), testicular index (TI) and vasosomatic index (VSI) were investigated in males of ...
Mehmet Bal, Ayşe Gül Harlıoğlu
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