Results 91 to 100 of about 4,860 (205)

The signal crayfish is vulnerable to both the As and the PsI-isolates of the crayfish plague

open access: yesKnowledge and Management of Aquatic Ecosystems, 2014
The carrier status and possible elevated tolerance of the signal crayfish (Pacifastacus leniusculus) against the crayfish plague disease agent (Aphanomyces astaci) has been speculated for several decades.
Aydin H.   +5 more
doaj   +1 more source

Filling the blank spot: first report on the freshwater crayfish distribution in Albania

open access: yesKnowledge and Management of Aquatic Ecosystems, 2017
The knowledge on the distribution of native and non-native crayfish species in Europe has substantially advanced during last two decades. However, data on the exact distribution of European crayfish are still lacking in some regions of the Balkan ...
Mrugała Agata   +3 more
doaj   +1 more source

When a Fish is a Fish: The Economic Impacts of Escaped Farmed Fish [PDF]

open access: yes
The escape of cultured fish from a marine aquaculture facility is a type of biological invasion that may lead to a variety of potential ecological and economic effects on native fish. This paper develops a general invasive species impact model to capture
Anders Skonhoft   +2 more
core  

Limnological, Ichthyological, and Parasitological Investigations on Arkansas Reservoris in Relation to Water Quality [PDF]

open access: yes, 1974
Lake Fort Smith, a 525 acre (212 ha) reservoir, was impounded in 1936 as a water supply for the city of Fort Smith. The reservoir is located on Clear Creek (Frog Bayou), a tributary of the Arkansas River, in the Boston Mountains 28 miles (45 km ...
Becker, David A.   +5 more
core   +2 more sources

Genetic diversity and structure of the noble crayfish populations in the Balkan Peninsula revealed by mitochondrial and microsatellite DNA markers. [PDF]

open access: yesPeerJ, 2021
Gross R   +9 more
europepmc   +1 more source

Crayfish disease diagnostics : towards a Nordic standard [PDF]

open access: yes, 2008
Rapu on ollut jo kauan osa pohjoismaista kulttuuriperinnettä. Yli sata vuotta sitten Manner-Euroopasta levinnyt tuhoisa raputauti, rapurutto, hävitti kuitenkin suuren osan tuottavista jokirapukannoista. Monet rapuruton esiintymiseen ja diagnostiikkaan

core  

A science-based approach to tackle invasive alien species in Belgium – the role of the ISEIA protocol and the Harmonia information system as decision support tools [PDF]

open access: yes, 2015
A coherent response to biological invasions involves science-based, up-to-date prioritization tools alongside information transfer to relevant authorities and stakeholders.
Adriaens, T.   +7 more
core   +1 more source

UTILIZATION OF WATER CRESS (NASTURTIUM OFFICINALE L.) IN NOBLE CRAYFISH (ASTACUS ASTACUS) FEEDING [PDF]

open access: yesBulletin Français de la Pêche et de la Pisciculture, 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”; ether extract: 6.22% DM), water cress (W) (crude protein: 20.7% DM; ether extract: 1.9% DM) and ...
openaire   +2 more sources

Aphanomyces astaci PsI-genotype isolates from different Finnish signal crayfish stocks show variation in their virulence but still kill fast

open access: yesKnowledge and Management of Aquatic Ecosystems, 2013
We detected significant virulence differences among five tested (PsI-Puujärvi, PsI-Pyhäjärvi, PsI-Kukkia, PsI-Saimaa I and PsI-Saimaa II) PsI-genotype crayfish plague (Aphanomyces astaci) isolates against lake Mikitänjärvi noble ...
Jussila J.   +3 more
doaj   +1 more source

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