Results 11 to 20 of about 2,322 (209)
Knowledge and Management of Aquatic Ecosystems, 2001 Since 1893, crayfish plague, Aphanomyces astaci Schikora, has devastated Finland’s most productive populations of the native noble crayfish, Astacus astacus, causing great losses to once very valuable fisheries and exports.
WESTMAN K., SAVOLAINEN R.
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FIRST RESULTS ABOUT TOPOISOMERASE ACTIVITY IN ASTACUS ASTACUS AND AUSTROPOTAMOBIUS PALLIPES AS A BIOMARKER FOR CRAYFISH VIABILITY [PDF]
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. +3 more
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UTILIZATION OF WATER CRESS (NASTURTIUM OFFICINALE L.) IN NOBLE CRAYFISH (ASTACUS ASTACUS) FEEDING [PDF]
Knowledge and Management of Aquatic Ecosystems, 2006 Juvenile Astacus astacus (initial b.w.: 0.98 ± 0.06 g) were cultured (30 crayfish/m2) in 200l tanks for 69 days. The experimental design was composed of three treatments as follows: control diet (C) (crude protein: 28.4% of the total dried matter, “DM ...
D’AGARO E.
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Knowledge and Management of Aquatic Ecosystems, 2004 We conducted a preliminary study to evaluate the capacity of summerling Astacus astacus to consume the American waterweed (Elodea canadensis Michx.).under artificial rearing conditions. Summerling A.
D’AGARO E., RENAI B., GHERARDI F.
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Knowledge and Management of Aquatic Ecosystems, 2005 A Geographic Information System (GIS) and fuzzy modelling were used to develop a habitat suitability index for the noble crayfish, Astacus astacus. The model is based on crayfish distribution data for the federal state Hesse, Germany, which had been ...
ZUTHER S. +3 more
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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.
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Density and yield of the noble crayfish Astacus astacus in the River Skotsbergelva, SE Norway
Fauna Norvegica, 1990 The population density and yield of the noble crayfish Astacus astacus was estimated on two localities in the River Skotsbergelva in the Halden river system, SE Norway, in August 1989.
Leif Asbjørn Vollestad +1 more
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Knowledge and Management of Aquatic Ecosystems, 2004 Astacus astacus is one of four native European crayfish species living in Croatian freshwaters. It is naturally distributed in rivers belonging to the Black Sea Basin.
MAGUIRE I., HUDINA S., ERBEN R.
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Startfôr til juvenil edelkreps (Astacus astacus) [PDF]
, 2010 Kasa Krepseoppdrett på Hvaler har valgt å satse på en halvintensiv modell for produksjon av edelkreps. Ved bruk av halvintensiv produksjonsmodell kreves det et egnet fôr til juvenile kreps. Det som har vært vanlig å bruke, er levendefôr ved bruk av Artemia i kombinasjon med vegetabilske næringsstoffer som modnet laug, grodd hvete og potet.
Siikavuopio, Sten Ivar +2 more
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Detection of Novel RNA Viruses in wild Noble Crayfish (Astacus astacus): a Virome Analysis in Swiss water bodies. [PDF]
, 2023 European native crayfish populations are undergoing a strong decline due to environmental factors and the introduction of highly competitive non-native species. Pathogens are an additional threat to native crayfish.
Zingre, Tatiana Paolina +6 more
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