Results 31 to 40 of about 6,164 (251)
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.
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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.
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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. +4 more
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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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The expansion of freshwater crayfish range to the center of Eurasia
Nauplius, 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
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Better Alone Than in Bad Company: Trophic Ecology of Co-Occurring Invasive and Native Crayfish. [PDF]
Ecol EvolThis study investigated and compared trophic interactions between invasive signal crayfish and native white‐clawed crayfish at sites of co‐occurrence and in allopatry. The presence of crayfish plague, body condition, and trophic niche traits were explored as possible factors that make invasive signal crayfish a strong competitor, enhancing its ...
Ghia D +8 more
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OCCURENCE OF THE PATHOGEN PSOROSPERMIUM HAECKELI (HILGENDORF) IN ASTACID POPULATIONS IN CROATIA
Knowledge and Management of Aquatic Ecosystems, 2004 Psorospermium haeckeli is a thick-walled unicellular organism widely reported in European astacid crayfish. It is typically referred to as a “parasite” although its pathogenic impact remains unclear.
LUCIC A., MAGUIRE I., ERBEN R.
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The food of Branchiobdella Odier, 1823 (Annelida) dwelling on crayfish and the occurrence of the fish parasite Argulus Müller, 1785 (Crustacea) on the carapace of Pontastacus leptodactylus (Esch.) [PDF]
Acta Ichthyologica et Piscatoria, 1999 Gut content of Branchiobdella spp. was examined in 83-945 individuals belonging to 4 species, collected from 31 individuals of Astacus astacus (L.) and 12 individuals of Pontastacus leptodactylus (Esch.) from north-western and southern Poland.
J. Wierzbicka, P. Śmietana
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PLoS ONE, 2017 For several hundred years freshwater crayfish (Crustacea-Decapoda-Astacidea) have played an important ecological, cultural and culinary role in Scandinavia.
Sune Agersnap +8 more
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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. +2 more
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