Results 41 to 50 of about 6,247 (262)

Competition and parasitism in the native White Clawed Crayfish Austropotamobius pallipes and the invasive Signal Crayfish Pacifastacus leniusculus in the UK [PDF]

open access: yes, 2009
Many crayfish species have been introduced to novel habitats worldwide, often threatening extinction of native species. Here we investigate competitive interactions and parasite infections in the native Austropotamobius pallipes and the invasive ...
A Bauer   +53 more
core   +1 more source

DISTRIBUTION OF CRAYFISH IN SALZBURG, AUSTRIA

open access: yesKnowledge and Management of Aquatic Ecosystems, 2005
Mapping of crayfish populations in the province of Salzburg was carried out in the years 2002 and 2003. Five crayfish species were found, two of them native: Astacus astacus and Austropotamobius torrentium, and three foreign: Astacus leptodactylus ...
PATZNER R. A.   +4 more
doaj   +1 more source

Aquatic macroinvertebrate responses to native and non-native predators [PDF]

open access: yes, 2014
Non-native species can profoundly affect native ecosystems through trophic interactions with native species. Native prey may respond differently to non-native versus native predators since they lack prior experience.
Christmas, M   +4 more
core   +4 more sources

DISTRIBUTION AND REPRODUCTIVE BIOLOGY OF AUSTROPOTAMOBIUS TORRENTIUM IN BAVARIA AND DOCUMENTATION OF A CONTACT ZONE WITH THE ALIEN CRAYFISH PACIFASTACUS LENIUSCULUS

open access: yesKnowledge and Management of Aquatic Ecosystems, 2005
In Bavarian freshwater systems, the stone crayfish Austropotamobius torrentium is still present in many headwaters of Danubian tributaries. Since the 1960s an alien species, the signal crayfish Pacifastacus leniusculus, was introduced several times ...
HUBER M. G.J., SCHUBART C. D.
doaj   +1 more source

LES POISSONS CARNASSIERS LOCAUX PEUVENT-ILS CONTENIR L’EXPANSION DES ÉCREVISSES ÉTRANGÈRES INTRODUITES ? EFFICACITÉ DE 3 ESPÈCES DE POISSONS FACE À 2 ESPÈCES D’ÉCREVISSES DANS DES CONDITIONS EXPÉRIMENTALES.

open access: yesKnowledge and Management of Aquatic Ecosystems, 2001
Les écrevisses sont potentiellement une source de nourriture pour les poissons. Le développement géographique et démographique de fortes populations de Pacifastacus leniusculus et de Procambarus clarkii ces 10 dernières années dans les eaux françaises ...
NEVEU A.
doaj   +1 more source

CRAYFISH MANAGEMENT FOR SWISS WATERS

open access: yesKnowledge and Management of Aquatic Ecosystems, 2006
Seven species of crayfish are present in Swiss waters: three native ones (Astacus astacus, Austropotamobius pallipes, Austropotamobius torrentium) and four exotic ones (Astacus leptodactylus, Orconectes limosus, Pacifastacus leniusculus, Procambarus ...
HEFTI D., STUCKI P.
doaj   +1 more source

First Record of Microsporidia Infection in the Damselfly Ischnura elegans Larvae: Temperature and Predator Cue Effects on the Host’s Life History

open access: yesDiversity, 2022
Here, we report, for the first time, a microsporidian infection in laboratory-reared larvae of the damselfly Ischnura elegans. Infected larvae originated from field-collected adult females, which were caught in southern Poland in August 2020 (the second ...
Andrzej Antoł   +3 more
doaj   +1 more source

The current status of Pacifastacus leniusculus (Dana, 1852) and their effect on aquatic macroinvertebrate communities in Hungarian watercourses

open access: yesAquatic Invasions, 2022
The freshwater crayfish Pacifastacus leniusculus is among the most widespread invasive crayfish species in Europe. Pacifastacus leniusculus invaded Hungary around 1998 and here we investigated the recent expansion of this species and its impact on other ...
M. Ludányi   +6 more
semanticscholar   +1 more source

Subtle ecological effects of the invasive signal crayfish (Pacifastacus leniusculus) on Iberian fish communities

open access: yesBiological Invasions
The introduction of non-native species can disrupt the structure of communities and affect the functioning of freshwater ecosystems, disturbing various taxonomic groups, including fish.
Bruno Oliveira   +3 more
semanticscholar   +1 more source

Muddied waters: suspended sediment impacts on gill structure and aerobic scope in an endangered native and an invasive freshwater crayfish [PDF]

open access: yes, 2013
Suspended sediment (SS) loadings in freshwater habitats have increased over the past century and SS is now a significant environmental stressor. Greater tolerance to environmental stressors has been proposed as a factor in the success of aquatic invasive
Dunn, A.M.   +3 more
core   +3 more sources

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