Results 21 to 30 of about 2,973 (161)

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

REVIEW OF THE NATIONAL RESTOCKING PROGRAMME “ACTIVE PROTECTION OF NATIVE CRAYFISH IN POLAND” 1999-2001

Knowledge and Management of Aquatic Ecosystems, 2004
After the first spread of crayfish plague (aphanomycosis) at the end of the nineteenth century, the formerly abundant populations of native crayfish in Poland declined drastically.
ŠMIETANA P., KRZYWOSZ T., STRUŻYŃSKI W.   +2 more
doaj   +1 more source

EFFECTS OF RATION SIZE AND TEMPERATURE ON MOULT INCREMENT AND METABOLIC PARAMETERS OF JUVENILE NOBLE CRAYFISH, ASTACUS ASTACUS

Knowledge and Management of Aquatic Ecosystems, 2007
A laboratory experiment was carried out to test the combined effects of ration size (1 vs 3% body weight, b.w.) and temperature (15 ± 2 vs 22 ± 2 °C) on moult increment and metabolic parameters of 80 juvenile noble crayfish (Astacus astacus). The maximum
RENAI B., GHERARDI F., D’AGARO E.
doaj   +1 more source

Recovery of Hafnia alvei from diseased brown trout, Salmo trutta L., and healthy noble crayfish, Astacus astacus (L.), in Bulgaria

, 2014
Hafnia alvei was isolated in Bulgaria from healthy noble crayfish, Astacus astacus (L.), and then from farmed diseased brown trout, Salmo trutta L., with signs of haemorrhagic septicaemia.
Orozova, Petya, Sirakov, Ivo, Chikova, Vania, Crumlish, Margaret, Al-Harbi, Ahmed H, Austin, Brian, Popova, Ralitsa   +6 more
core   +1 more source

Filling the blank spot: first report on the freshwater crayfish distribution in Albania

Knowledge and Management of Aquatic Ecosystems, 2017
The knowledge on the distribution of native and non-native crayfish species in Europe has substantially advanced during last two decades. However, data on the exact distribution of European crayfish are still lacking in some regions of the Balkan ...
Mrugała Agata, Šanda Radek, Shumka Spase, Vukić Jasna   +3 more
doaj   +1 more source

CRAYFISH EPIBIONTS BRANCHIOBDELLA SP. AND HYSTRICOSOMA CHAPPUISI (ANNELIDA: CLITELLATA) IN GREECE

Knowledge and Management of Aquatic Ecosystems, 2007
Specimens of the three known Greek crayfish species, Astacus astacus (Linnaeus, 1758), Astacus leptodactylus Eschscholtz, 1823 and Austropotamobius torrentium (Schrank, 1803), were collected from seven localities in Greece and were examined for the ...
SUBCHEV M., KOUTRAKIS E., PERDIKARIS C.
doaj   +1 more source

Native and Invasive Crayfish Species Impact on the Development of Fire Salamander Larvae: A Pilot Field Study From Northern Italy

Aquatic Conservation: Marine and Freshwater Ecosystems, Volume 36, Issue 9, September 2026.
ABSTRACT In northern Italy, the ongoing spread of non‐native red‐swamp crayfish Procambarus clarkii keeps indirectly decimating native populations of white‐clawed crayfish Austropotamobius pallipes complex and is now also threatening local amphibians adapted to slow‐flowing, hilly streams at the borders of its distribution.
Valeria Messina, Angelica Lozza, Pierluigi Mario Borzoni, Raoul Manenti   +3 more
wiley   +1 more source

Mogućnost konzervacije i održivog korišćenja plemenitog raka astacus astacus u Srbiji [PDF]

, 2015
Dekapodni rakovi su ključna komponenta biodiverziteta reka, jezera i močvara u kojima žive. Imaju važnu ekološku ulogu u pravilnom funkcionisanju slatkovodnih ekosistema.
Kovacevic, Simona, Radojkovic, Natasa, Miloskovic, Aleksandra, Simic, Vladica, Simic, Snezana, Cirkovic, Miroslav, Radenkovic, Milena   +6 more
core  

Assessment of the Population Status of Globally Threatened Crayfish Astacus astacus and Austropotamobius torrentium in the Lakes Prespa, Ohrid and Rivers of the Shebenik-Jabllanicë National Park, Albania

Albanian Journal of Natural and Technical Sciences
Despite being internationally recognized as threatened, there are no comprehensive studies on the crayfish species Astacus astacus and Austropotamobius torrentium in Albanian freshwaters.
Bledar Pepa, Anila Paparisto, Xhuliana Qirinxhi, Armando Mezini   +3 more
doaj   +1 more source

FIRST RESULTS ABOUT TOPOISOMERASE ACTIVITY IN ASTACUS ASTACUS AND AUSTROPOTAMOBIUS PALLIPES AS A BIOMARKER FOR CRAYFISH VIABILITY

Knowledge and Management of Aquatic Ecosystems, 2004
A comparative study of topoisomerase activity in two European crayfish species Astacus astacus and Austropotamobius pallipes was carried out to determine the physiological basis of the difference in ecological fitness of these systematically related ...
PAOLUCCI M., DI CRISTO C., LIBERATO C., DI COSMO A.   +3 more
doaj   +1 more source