Origin and colonization history of the white-clawed crayfish, Austropotamobius pallipes, in Ireland

Gouin, Nicolás; Grandjean, Frédéric; Pain, Stéphanie; Souty‐Grosset, Catherine; Reynolds, J. D.

doi:10.1038/sj.hdy.6800282

Cited by 40 publications

(32 citation statements)

References 35 publications

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“…Irish stocks share a very uniform genetic structure, apparently concordant with introduction from Western France GOUIN et al, 2003). However, they also show the widest expression of habitat occupancy for this species, being widespread in rivers, streams and small lakes (REYNOLDS, 1979;LUCEY and McGARRIGLE, 1987;REYNOLDS, DEMERS and MARNELL 2002).…”

Section: Introductionmentioning

confidence: 99%

Dietary Patterns in Stream- And Lake-Dwelling Populations of Austropotamobius Pallipes

Reynolds

O'Keeffe²

2005

Bull. Fr. Pêche Piscic.

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White-clawed crayfish (Austropotamobius pallipes) are widespread in Ireland in both running and standing water, although stream-dwelling in much of their range elsewhere. A detailed comparative study of a lake and a stream population demonstrated that diets changed with crayfish size from feeding on entomostracans to a predominance of aquatic macrophytes and terrestrial vegetation. However, carnivory remained important at all sizes: Gammarids were a significant component in larger lake crayfish and in all sizes of stream crayfish. Fish increased in importance with crayfish size. A. pallipes thus appears more carnivorous than some other European and American crayfish. The extent to which this is related to habitat is discussed. Key-words:Austropotamobius pallipes, diet, lake, stream, carnivory. COMPARAISON DES RÉGIMES ALIMENTAIRES DES POPULATIONS LACUSTRES ET DES RIVIÈRES DES ÉCREVISSES À PATTE BLANCHE AUSTROPOTAMOBIUS PALLIPES RÉSUMÉL'écrevisse à patte blanche (Austropotamobius pallipes) est largement répandue en Irlande dans les rivières comme dans les plans d'eau, bien qu'ailleurs, sur la majeure partie de leur aire de distribution, elle n'habite que les rivières. Une étude comparée et détaillée d'une population de ruisseau et d'une population lacustre a démontré que l'alimentation change selon la taille avec une prédominance des entomostracés chez les plus petits individus jusqu'à celle des macrophytes et de la végétation terrestre chez les plus gros. Néanmoins, la composante animale du régime alimentaire reste importante à toutes les tailles. Les gammaridés sont consommés en milieu lacustre par les écrevisses les plus grosses et par les écrevisses de ruisseau de toute taille. La consommation de poissons augmente avec la taille des écrevisses. Il apparaît qu'Austropotamobius pallipes est plus carnivore que plusieurs autres écrevisses d'Europe ou d'Amérique du Nord. Le degré auquel ce régime alimentaire est relié à l'habitat est discuté.

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Section: Introductionmentioning

confidence: 99%

Dietary Patterns in Stream- And Lake-Dwelling Populations of Austropotamobius Pallipes

Reynolds

O'Keeffe²

2005

Bull. Fr. Pêche Piscic.

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“…The only ICS in the Republic of Ireland is the white-clawed crayfish, Austropotamobius pallipes. Genetic similarities with populations in western France have been found, so it could have been brought to the island by the first human settlers (GOUIN et al, 2003), as may also be the case in the U.K. (GRANDJEAN et al, 1997). The only ICS in Norway is the noble crayfish, Astacus astacus (L.), but again this has been introduced .…”

Section: Table Imentioning

confidence: 97%

Roundtable Session 2: Does Legislation Work in Protecting Vulnerable Species?

Holdich¹,

Pöckl

2005

Bull. Fr. Pêche Piscic.

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As a result of discussions held at the Innsbruck CRAYNET meeting and the answers given to a subsequent questionnaire sent out to the National Co-ordinators of the 11 countries/regions, it is clear that most European countries aim at trying to protect their indigenous crayfish species (ICS) from overexploitation, habitat modification, pollution, and spread of non-indigenous crayfish species (NICS) and crayfish plague.Two detailed case studies are given for Austria and England plus a summary of the questionnaires. These clearly illustrate the different attitudes of countries to protecting and managing their ICS and NICS. The situation is highly complex and differs depending upon whether or not there is a tradition for eating crayfish. Consequently, harmonisation of national and regional regulations for ICS and NICS in Europe may not be possible in the short term.In many cases legislation has not prevented further destruction of populations of ICS and the spread of NICS. However, without such legislation the situation could have been a lot worse and some ICS could already have become critically endangered. The continued efforts by the crayfish community and national authorities have resulted in a scenario where there are still some countries without NICS, and in most European countries there are specific areas with numerous, viable populations of ICS that are considered valuable and are protected by the authorities as well as by local people. The situation has recently been improved by providing protection for Austropotamobius torrentium under Annex II of the EU Habitats Directive. A major objective must be to develop methods for eradicating nuisance populations of NICS before they spread any further. Key-words:Europe, legislation, crayfish, indigenous, non-indigenous, EU Habitats Directive. -810 -des 11 pays membres de CRAYNET, il est clair que la plupart des pays européens ont pour volonté d'essayer de protéger leurs écrevisses indigènes (Indigenous Crayfish Species, ICS) de la surexploitation, des modifications de l'habitat, de la pollution, et de la dissémination des écrevisses non indigènes (Non Indigenous Crayfish Species, NICS) ainsi que de la peste de l'écrevisse.Deux cas d'étude détaillés relatifs à l'Autriche et l'Angleterre sont présentés ainsi qu'un résumé des questionnaires. Ces analyses illustrent clairement les attitudes différentes des pays en ce qui concerne la protection et la gestion de leurs ICS et NICS. La situation est très complexe et diffère en fonction de l'existence ou non d'une tradition de consommation des écrevisses. En conséquence, l'harmonisation des lois au niveau national et régional concernant soit les écrevisses indigènes (ICS) ou les écrevisses non indigènes (NICS) en Europe semble ne pas être possible à un court terme.Dans la plupart des cas la législation n'a pas empêché la destruction de nouvelles populations indigènes et la dissémination des écrevisses non indigènes. Cependant, sans une telle législation, la situation aurait pu être pire et quelques espèces indigènes ...

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“…Particularly in monasteries there was a large consumption of them during Lent: monks had in fact extended the concept of fish to crustaceans, beavers, seals and whales. Due to the appreciation of their meat, monks have been responsible for many crayfish translocations, including the translocation of Austropotamobius pallipes (Lereboullet) from France to Ireland (Gouin et al, 2003). From the monasteries the pleasure to eat crayfish spread to wider circles in medieval Germany.…”

Section: Consumptionmentioning

confidence: 99%

Towards a sustainable human use of freshwater crayfish (Crustacea, Decapoda, Astacidea)

Gherardi

2011

Knowl. Managt. Aquatic Ecosyst.

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Key-words: direct and indirect uses, surrogate species, option values, existence and bequest values, Crustacea Decapoda AstacideaTo face the severe loss in biodiversity recorded in freshwater crayfish (Crustacea, Decapoda, Astacidea), there is an increasing awareness that the CBD's concept of the sustainable use of natural resources should be applied also to this large assemblage of species. This review paper will synthesize the several uses we make or have made of crayfish with the purpose of pinpointing where sustainability is desirable and feasible. Uses are here classified as direct (i.e. consumption and production) and indirect. The latter uses refer to the recreational, cultural, ethical, aesthetic, scientific and education values of crayfish. An additional indirect use regards the environmental key role this taxon plays. Several examples, mostly related to Europe, will be provided to illustrate the importance of crayfish to human societies, culture and history. The potential of assigning a non-use value to them will be finally discussed. Pour faire face à la perte de biodiversité enregistrée pour les écrevisses d'eau douce (Crustacea, Decapoda, Astacidea), il y a une prise de conscience accrue que le concept de bioconservation (CBD) pour l'emploi durable des ressources naturelles devrait s'appliquer à ce large assemblage d'espèces. Cette revue veut synthétiser les nombreux usages que nous faisons ou avons faits des écrevisses avec le but de mettre le doigt sur les cas où la durabilité est souhaitable et faisable. Les usages sont classés ici en directs (i.e. consommation et élevage) et indirects. Ces derniers usages concernent la valeur récréative, culturelle, éthique, esthétique, scientifique et éducative des écrevisses. Un usage supplémentaire indirect concerne le rôle environnemental clé que ce taxon joue. Plusieurs exemples, la plupart pris en Europe, sont cités pour illustrer l'importance des écrevisses pour les sociétés humaines, leur culture et leur histoire. La possibilité de leur attribuer une valeur de non-usage est finalement discutée. RÉSUMÉ

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Origin and colonization history of the white-clawed crayfish, Austropotamobius pallipes, in Ireland

Cited by 40 publications

References 35 publications

Dietary Patterns in Stream- And Lake-Dwelling Populations of Austropotamobius Pallipes

Dietary Patterns in Stream- And Lake-Dwelling Populations of Austropotamobius Pallipes

Roundtable Session 2: Does Legislation Work in Protecting Vulnerable Species?

Towards a sustainable human use of freshwater crayfish (Crustacea, Decapoda, Astacidea)

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