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001-es BibID:	BIBFORM043539
Első szerző:	Horváth Roland (biológus-ökológus)
Cím:	Ignoring ecological demands masks the real effect of urbanization: a case study of ground-dwelling spiders along a rural-urban gradient in a lowland forest in Hungary / Roland Horváth, Tibor Magura, Béla Tóthmérész
Dátum:	2012
ISSN:	0912-3814
Megjegyzések:	We studied ground-dwelling spiders along arural-suburban-urban forest gradient representingincreasing human disturbance using pitfall traps. Wetested four known and two novel hypotheses: (1)increasing disturbance hypothesis (species richness isdecreasing by disturbance); (2) matrix species hypothesis(the richness of open-habitat species is increasing bydisturbance); (3) opportunistic species hypothesis (therichness of generalist species is increasing by disturbance);and (4) habitat specialist hypothesis (the numberof the forest specialist species is decreasing by disturbance).As a consequence of urbanization, urban forestsbecome drier and more open; thus, according to the newhypotheses, the number of (5) xerophilous species and(6) light-preferring species are increasing in the urbanarea. Our result did not support the increasing disturbancehypothesis, as the overall species richness increasedfrom the rural sites to the urban ones. Aspredicted, the number of both the open-habitat andthe generalist species increased towards the urban sites.The number of forest specialist species was higher in thesuburban area than in the rural and urban area. Bothxerophilous and light-preferring species were the mostnumerous in the urban area, supporting the xerophilousspecies and the light-preferring species hypotheses.Canonical correspondence analysis showed that theforest specialist species associated with the rural siteswith higher amounts of decaying woods and more herbsor with the suburban sites with higher cover of leaf litterand higher relative humidity. Two generalist species andone open-habitat species were characteristic of urbansites with higher ground surface and air temperature.
Tárgyszavak:	Természettudományok Környezettudományok idegen nyelvű folyóiratközlemény külföldi lapban
Megjelenés:	Ecological Research. - 27 : 6 (2012), p. 1069-1077. -
További szerzők:	Magura Tibor (1969-) (ökológus) Tóthmérész Béla (1960-) (ökológus)
Internet cím:	Szerző által megadott URL DOI Intézményi repozitóriumban (DEA) tárolt változat
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