Results 31 to 40 of about 542 (151)
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, 2022 This contribution presents the first record of the noble crayfish Astacus astacus (Linnaeus, 1758) in Euboea (Evia) Island, Greece. The crayfish was found during a fish monitoring expedition in the upper Mesapios River, in a reach that maintains flow ...
Karaouzas Ioannis +6 more
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Knowledge and Management of Aquatic Ecosystems, 2006 Noble crayfish (Astacus astacus) is indigenous to Finland. The distribution of A. astacus has diminished dramatically during the past century, due to environmental changes, crayfish plague (Aphanomyces astaci) outbreaks and stocking of alien signal ...
ALARANTA A. +6 more
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Morphological variability and sexual dimorphism of noble crayfish Astacus astacus from the Balkana Lake [PDF]
Bulletin of Natural Sciences Research, 2020 This paper presents the information about morphological variability and sex dimorphism of the Noble crayfish (Astacus astacus) in the area of the Balkana Lake in Mrkonjic Grad.
Roljić Rajko +2 more
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Effect of mesh size on baited trap catch composition for noble crayfish (Astacus Astacus)
Knowledge and Management of Aquatic Ecosystems, 2014 Minimum size is a common management regulation in noble crayfish (Astacus astacus) fisheries. The most used catching method baited traps, catch crayfish down to 50 mm total length (TL).
Johnsen S.I. +3 more
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Warming and latitude shape the non-consumptive effects of native and invasive alien crayfish predators on damselfly prey [PDF]
NeoBiotaThere is increasing concern that the effects of biological invasions may be magnified by other human-induced global changes. Here, we compare the non-consumptive effects imposed by invasive vs.
Guillaume Wos +4 more
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INTERACTION BETWEEN NATIVE AND ALIEN SPECIES OF CRAYFISH IN AUSTRIA: CASE STUDIES
Knowledge and Management of Aquatic Ecosystems, 2002 In Austria, three indigenous crayfish species occur: the noble crayfish (Astacus astacus), the stone crayfish (Austropotamobius torrentium), and the white-clawed crayfish (Austropotamobius pallipes).
PÖCKL M., PEKNY R.
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Growth performance of Noble Crayfish Astacus astacus in recirculating aquaculture systems [PDF]
Aquaculture International, 2014 There is growing interest in using recirculating aquaculture systems (RAS) to raise noble crayfish Astacus astacus a valuable and once plentiful food species in Europe, now a highly endangered species. The growth and survival of A. astacus was compared in growth trials in RAS and open-pond systems (OPS) over a period of 2 months.
Seemann, Uli +4 more
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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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Assessing the importance of food for improving noble crayfish culture conditions [PDF]
Knowledge and Management of Aquatic Ecosystems, 2015 Captive breeding and crayfish culture are considered important measures in species protection activities. Thus, knowledge on optimal feeding of crayfish in captivity is needed in order to secure minimal mortality and prevent detrimental effects to health.
Rusch J.C., Füreder L.
openaire +2 more sources