Results 101 to 110 of about 1,874 (205)
ESTERASES, PHOSPHATASES, AND GLYCOGEN IN THE ANTENNAL GLAND OF PACIFASTACUS LENIUSCULUS STIMPSON
1. The esterases, acid and alkaline phosphatases. and glycogen were investigated in the antennal gland of the crayfish by histochemical procedures. Gel electrophoresis was employed to further characterize the esterases.2. A sexual dimorphism occurred in the labyrinth characterized by an intense reaction for the ali-esterases in the male contrasted to a
Fuller, Eugene G, Owczarzak, Alfred
openaire +3 more sources
The American signal crayfish, Pacifastacus leniusculus, is an invasive species from North America that has been widely introduced through Europe, where it is a major threat to native European crayfish species and causing increasing concern because of its
BUBB D. H., THOM T. J., LUCAS M. C.
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A multifunctional masquerade-like protein has been isolated, purified, and characterized from hemocytes of the freshwater crayfish, Pacifastacus leniusculus.
Lee, SY, Söderhäll, K,
core
Steep Holm Island, Bristol Channel, UK: evidence of Larus fuscus Linnaeus, 1758 (lesser black-backed gull) feeding on the invasive signal crayfish, Pacifastacus leniusculus Dana, 1852 [PDF]
The predation of invasive signal crayfish, Pacifastacus leniusculus (Dana, 1852) by several nesting pairs of lesser black-backed gull, Larus fuscus Linnaeus, 1758 is reported from Steep Holm (51°20.39' N, 3°6.53' W), one of two small islands located in ...
Clark, Paul F. +6 more
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Virome Analysis of Signal Crayfish (Pacifastacus leniusculus) along Its Invasion Range Reveals Diverse and Divergent RNA Viruses. [PDF]
Bačnik K +4 more
europepmc +1 more source
SPECIES OF BRANCHIOBDELLIDAE (ANNELIDA) ON FRESHWATER CRAYFISH IN SOUTH TYROL (NORTHERN ITALY)
Twenty-eight freshwater crayfish were collected from 8 streams and one small lake in the province of South Tyrol (North Italy) from autumn 1999 to spring 2001, in order to investigate the presence of branchiobdellidans.
OBERKOFLER B. +6 more
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NE Portugal is one of the most isolated and low populated regions of Western Europe. Recently, two American crayfish species reached this area: signal crayfish Pacifastacus leniusculus coming from Spain and red swamp crayfish Procambarus clarkii in its ...
Bernardo J. M. +3 more
doaj +1 more source
Artificial burrow preference by the signal crayfish Pacifastacus leniusculus (DANA, 1852) [PDF]
Preference for artificial burrows by the signal crayfish Pacifastacus leniusculus (DANA, 1852) was investigated. The occupation of artificial burrows, which were made of grey coloured straight polyvinyl chloride pipes of different internal diameters (Y ...
オオタ, トオル +11 more
core
Invasive dynamics of the signal crayfish Pacifastacus leniusculus in a protected area
Abstract Invasive species have been drivers of biodiversity loss and functional changes in aquatic ecosystems, including in protected areas. Therefore, monitoring population invasion dynamics and biological traits is fundamental to better understand their ecological and economic impacts and for management actions development.
Francisco Carvalho +7 more
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