Results 11 to 20 of about 391 (175)

A contribution on the morphometrics of the thick-clawed crayfish Pontastacus pachypus (Rathke, 1837) (Decapoda, Astacoidea, Astacidae) [PDF]

Zoosystematics and Evolution, 2023
The thick–clawed crayfish Pontastacus pachypus (Rathke, 1837) is an endangered, and the least known, crayfish species in Europe. Currently, detailed information regarding the morphology, ecology and reproduction of thick–clawed crayfish is outdated. This
Aiman Imentai, Martin Bláha, Lukáš Veselý, Jiří Křišťan, Tomas Policar   +4 more
doaj   +3 more sources

Astacus leptodactylus

, 2020
Narrow-clawed crayfish Astacus leptodactylus (Eschscholtz, 1823) The distribution of narrow-clawed crayfish is mainly linked with the south-eastern region of the country and more rarely in the rest of Latvia (Bērziņš 1936, Mazītis 1955, 1967, 1971). Earlier evaluations of the distribution of this species have been quite inconsistent.
Aleksejevs, Ēriks, Birzaks, Jānis
openaire   +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
doaj   +1 more source

Contributions to the assessment of Astacus leptodactylus Eschscholtz, 1823 stocks from the Razim-Sinoie lagoonary area (Danube Delta Biosphere Reserve, Romania) [PDF]

Scientific Annals of the Danube Delta Institute, 2013
In August 24th- August 30th, 2012 period there was performed a pilot study to assess the Slender clawded or Turkish crayfish (Astacus leptodactylus Eschscholtz, 1823) populations from Golovița Lake and the southern part of the Razim Lake (both of them ...
TÖRÖK Zsolt Csaba
doaj   +1 more source

Acute Toxicity of Insecticide Thiamethoxam to Crayfish (Astacus leptodactylus): Alterations in Oxidative Stress Markers, ATPases and Cholinesterase

Acta Chimica Slovenica, 2021
Thiamethoxam (Thmx) is a globally used neonicotinoid pesticide contaminated in freshwater ecosystems with residues detected in fishery products. Astacus leptodactylus is a popular freshwater crustacean  that is cultivated and exported in many countries ...
Miraç Uçkun, Ertan Yoloğlu, Aysel Alkan Uçkun, Özden Barım Öz   +3 more
doaj   +1 more source

DISTRIBUTION OF CRAYFISH IN SALZBURG, AUSTRIA

Knowledge and Management of Aquatic Ecosystems, 2005
Mapping of crayfish populations in the province of Salzburg was carried out in the years 2002 and 2003. Five crayfish species were found, two of them native: Astacus astacus and Austropotamobius torrentium, and three foreign: Astacus leptodactylus ...
PATZNER R. A., LANGMAIER S., SCHACHERL S., STRASSER A., ZICK D.   +4 more
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

OCCURRENCE OF NATIVE AND INTRODUCED CRAYFISH IN NORTHEASTERN GERMANY AND NORTHWESTERN POLAND.

Knowledge and Management of Aquatic Ecosystems, 2001
On the basis of monitoring undertaken in 300 lakes since 1994, the recent stocking situation for freshwater crayfish in northeastern Germany (Uckermark) and northwestern Poland (Szczecin area) is described. The two native species Astacus astacus (L.) and
SCHULZ R., SMIETANA P.
doaj   +1 more source

CONFIRMATION OF OCCURRENCE OF THE NARROW-CLAWED CRAYFISH ? STACUS LEPTODACTYLUS ESCHSCHOLTZ, 1823 IN THE RIVER EVROS IN GREECE

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., KOUTRAKIS E., SARAGLIDOU , MARGARIS N.   +3 more
doaj   +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