Results 141 to 150 of about 982 (194)

Environmental Factors Influencing the Establishment of the Invasive Australian Redclaw Crayfish (<i>Cherax quadricarinatus</i>) in a Biosphere Reserve on the Central Mexican Plateau. [PDF]

Life (Basel)
Durán-Rodríguez OY, García-Ávila DA, Valencia-Espinosa JA, Arroyo-Reséndiz E, Torres-Olvera MJ, Ramírez-Herrejón JP.   +5 more
europepmc   +1 more source

Public perception vs ecological quality status: Examining the ecological restoration of the Congost River's Environment. [PDF]

Heliyon
Zaldo-Aubanell Q, Mas-Ponce A, Asbert G, Clota B, Isnard M, Proia L, Bach A, Sànchez Mateo S.   +7 more
europepmc   +1 more source

Austropotamobius pallipes reduction vs. Procambarus clarkii spreading: Management implications

Journal for Nature Conservation, 2014
One of the main threats to native European crayfish is the spread of alien crayfish species that are immune carriers of the detrimental crayfish plague Aphanomyces astaci. In this study we analyzed both at a regional and at a local scale factors determining native and alien crayfish distribution in an area where the species Procambarus clarkii is ...
R. Manenti, M. Bonelli, D. Scaccini, A. Binda, A. Zugnoni   +4 more
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Electronmicroscope studies of crayfish setae (Austropotamobius pallipes)

Experientia, 1971
Elektronen- bzw. rastermikroskopisch wurden die Borsten eines dekapoden Krebses,Austropotamobius pallipes, untersucht und festgestellt, das alle terminal oder subterminal eine Offnung (Pore) aufwiesen.
exaly   +2 more sources

Morphometrical characterization of theAustropotamobius pallipesspecies complex

Journal of Natural History, 2008
Studio del comportamento di specie invasive.
Francesca Gherardi, Antonella Buccianti, Massimiliano Scalici   +2 more
exaly   +2 more sources

Morphometrical characterization of theAustropotamobius pallipesspecies complex

Journal of Natural History, 2008
Genetic studies have shown that the threatened crayfish Austropotamobius pallipes species complex is composed of two lineages (A. italicus and A. pallipes), both occurring in Italy. However, the issue surrounding their taxonomic status has not yet been solved even though the confused taxonomy may hamper attempts to conserve indigenous crayfish. The aim
S. BERTOCCHI, S. BRUSCONI, GHERARDI, FRANCESCA, BUCCIANTI, ANTONELLA, M. SCALICI   +4 more
openaire   +2 more sources

The distribution of the crayfish, Austropotamobius pallipes, in British waters

Freshwater Biology, 1981
SUMMARY. The distribution of Austropotamobius pallipes, the only freshwater crayfish indigenous to the British Isles, is examined using over 300 records collected since 1970. The majority of records are for England where crayfish are found in areas associated with base‐rich easily weathered substrata.
D. JAY, D. M. HOLDICH
openaire   +1 more source

The setae of Austropotamobius pallipes (Crustacea: Astacidae)

Journal of Zoology, 1970
The author presents here the results of an introductory study into the setal armature of the British species of crayfish, Austropotamobius pallipes (Lereboullet, 1858). Using an ordinary optical microscope, it is demonstrated that a considerable variety of setae exist on the body and appendages of A. pallipes.
openaire   +1 more source

Forag ing by a threatened species - the whiteclawed crayfish, Austropotamobius pallipes

Archiv für Hydrobiologie, 2001
In analysing the eco-ethological traits of animal populations from the viewpoint of conservation biology, an understanding of the foraging activity of endangered species provides useful clues on habitat requirements and resource utilisation. The present study examined the foraging excursions of 60 specimens of the threatened crayfish, Austropotamobius ...
GHERARDI, FRANCESCA, P. ACQUISTAPACE, SANTINI, GIACOMO   +2 more
openaire   +2 more sources

Mitochondrial DNA variation and population genetic structure of the white-clawed crayfish, Austropotamobius pallipes pallipes

Conservation Genetics, 2000
Here we report a high level of mtDNA variationfrom RFLP analysis within A. p. pallipes from 21 French and 4British populations. Seventeen haplotypes were recorded among 269individuals. Nucleotide sequence divergence (p) among mtDNAhaplotypes ranged from 0.0019 to 0.0425.
Grandjean, F., Souty-Grosset, C.
openaire   +1 more source