Results 41 to 50 of about 1,631 (226)

PCR detection of the crayfish plague pathogen in narrow-clawed crayfish inhabiting Lake Eğirdir in Turkey [PDF]

open access: yesDiseases of Aquatic Organisms, 2012
Many populations of the narrow-clawed crayfish Astacus leptodactylus in Turkey, including those inhabiting Lake Eğirdir, declined drastically in the mid-1980s due to introduction of crayfish plague Aphanomyces astaci. However, unlike many other localities, there has been some recovery in the A.
Kozubikova, E.   +8 more
openaire   +3 more sources

The expansion of freshwater crayfish range to the center of Eurasia

open access: yesNauplius, 2020
Freshwater crayfish were previously absent in the territory stretching from the Caspian Sea basin to the Amur basin. That gap is now being filled, mainly due to the eastward invasion of the narrow-clawed crayfish Astacus leptodactylus, which has ...
Igor Popov
doaj   +1 more source

Determination of the hygienic quality of Astacus leptodactylus captured from Haft Barm lakes, Fars Province (Iran) in terms of trace metals accumulated in the product [PDF]

open access: yesBihdāsht-i Mavādd-i Ghaz̠āyī, 2021
< p >Regards the economic potential in extensive rearing of Narrow-clawed crayfish (Astacus leptodactylus) in Haft Barm lakes, Fars Province (Iran), and considering the chain value and global marketing, we need to monitoring programs on hygienic quality ...
N. Shiry   +4 more
doaj   +1 more source

Pleopodal fecundity of narrow-clawed crayfish (Pontastacus leptodactylus Eschscholtz, 1823)

open access: yesInvertebrate Reproduction & Development, 2020
The pleopodal fecundity of Pontastacus leptodactylus from Hirfanli Dam (Turkey) was investigated.
Kadir Çapkın   +2 more
openaire   +3 more sources

Water chemistry and endangered white-clawed crayfish: A literature review and field study of water chemistry association in Austropotamobius pallipes [PDF]

open access: yes, 2015
Populations of the endangered white-clawed crayfish (Austropotamobius pallipes) have rapidly declined in distribution and density in recent decades as a result of invasive crayfish, disease and habitat degradation.
A.M. Dunn   +5 more
core   +2 more sources

The freshwater crayfish Austropotamobius pallipes in South Tyrol. Heritage species and bioindicator [PDF]

open access: yes, 2003
Rapid decline of crayfish in European freshwaters and continuing threat necessitate integrated actions in conservation and management of native crayfish populations.
Fureder, L.   +4 more
core   +1 more source

Populations of long-clawed crayfish Pontastacus leptodactylus: Effect of commercial fishing on the size and age structure

open access: yesVestnik MGTU, 2023
Fishing affects the population of crayfish, while it changes the size and age characteristics. The size and age parameters of two populations of the narrow-clawed crayfish Pontastacus leptodactylus in the Loktyshi (Brest Region) and Krasnoslobodskoe ...
Alekhnovich A. V.
doaj   +1 more source

Update on the distribution of freshwater crayfish in Croatia

open access: yesKnowledge and Management of Aquatic Ecosystems, 2011
Four indigenous European and two non-indigenous American freshwater crayfish species inhabit Croatian freshwater habitats. Generally, the noble crayfish (Astacus astacus), the narrow-clawed crayfish (Astacus leptodactylus) and the stone crayfish ...
Maguire I., Jelić M., Klobučar G.
doaj   +1 more source

The impact of streetlights on an aquatic invasive species: artificial light at night alters signal crayfish behaviour [PDF]

open access: yes, 2016
Artificial light at night (ALAN) can significantly alter the behaviour, communication and orientation of animals, and will potentially interact with other stressors to affect biodiversity.
Cable, Joanne   +5 more
core   +1 more source

A COMPARISON OF SURVIVAL AND GROWTH IN JUVENILE ASTACUS LEPTODACTYLUS (ESCH.) AND PACIFASTACUS LENIUSCULUS (DANA) UNDER CONTROLLED CONDITIONS

open access: yesKnowledge and Management of Aquatic Ecosystems, 2006
The aim of this study was to compare survival and growth of juvenile narrow-clawed crayfish (Astacus leptodactylus) and signal crayfish (Pacifastacus leniusculus) fed only with experimental pellets (45% of proteins, 6% of fat, 20% crude fibre) under ...
ULIKOWSKI D., KRZYWOSZ T., ŚMIETANA P.
doaj   +1 more source

Home - About - Disclaimer - Privacy