Open WL Archief (OWA)

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Het OWA, het open archief van het Waterbouwkundig Laboratorium heeft tot doel alle vrij toegankelijke onderzoeksresultaten van dit instituut in digitale vorm aan te bieden. Op die manier wil het de zichtbaarheid, verspreiding en gebruik van deze onderzoeksresultaten, alsook de wetenschappelijke communicatie maximaal bevorderen.

Dit archief wordt uitgebouwd en beheerd volgens de principes van de Open Access Movement, en het daaruit ontstane Open Archives Initiative.

Basisinformatie over ‘Open Access to scholarly information'.

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one publication added to basket [17733]

Life history, habitat use and dispersal of a dune wolf spider (Pordosa monticola (Clerck, 1757) Lycosidae, Araneae) in the Flemish coastal dunes (Belgium) Bonte, D.; Maelfait, J.-P. (2001). Life history, habitat use and dispersal of a dune wolf spider (Pordosa monticola (Clerck, 1757) Lycosidae, Araneae) in the Flemish coastal dunes (Belgium). Belg. J. Zool. 131(2): 145-157 In: Belgian Journal of Zoology. Koninklijke Belgische Vereniging voor Dierkunde = Société royale zoologique de Belgique: Gent. ISSN 0777-6276; e-ISSN 2295-0451, meer

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Beschikbaar in	Auteurs
VLIZ: Open access 278729 [ download pdf ]

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Trefwoorden

Butterflies Dispersal Fauna Habitat Life history Topographic features > Beach features > Dunes Pardosa monticola Terrestrisch

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Auteurs		Top
Bonte, D., meer Maelfait, J.-P., meer

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Abstract

Pardosa monticola (Araneae, Lycosidae) is a rare spider in Flanders. It is restricted to thermophilic mesotrophic (dune and heath) grasslands. Its life cycle and its habitat preference in the coastal dunes were analysed by interpreting data of more than 200 year-round pitfall-samplings. Viable populations are found in short dune grasslands (grazed by rabbits) and in mown young dune slacks. The life cycle is mixed annual-biannual and hibernation takes place in the juvenile or sub-adult instars. In short grasslands, the species overwinters in the rough neighbouring vegetation, in dune slacks, in litter accumulations. In the latter, the species survives submerging during winter inundation. Dispersal between suitable habitats can occur by male terrestrial movements via xerophylic habitats and dense grassland vegetation. Aeronautic dispersal is a rare phenomenon in the first instars that takes place only in periods of food shortage. Although a low proportion of the population exhibits this behaviour, this kind of dispersal can be of great importance for gene exchange between distant or strongly isolated populations. The implications and the importance of these data are discussed in relation to contemporary nature management.

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