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Abundance patterns of terrestrial isopods along an urbanization gradient

Magura, Tibor and Hornung, Erzsébet and Tóthmérész, Béla (2008) Abundance patterns of terrestrial isopods along an urbanization gradient. COMMUNITY ECOLOGY, 9 (1). pp. 115-120. ISSN 1585-8553

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Abstract

The abundance of terrestrial isopods (Isopoda: Oniscidea) was evaluated along an urban-suburban-rural gradient. We tested two hypotheses regarding the response of species: (i) habitat specialist hypothesis, according to which the abundance of the forest specialists would increase, while the abundance of the urban environment specialist isopods would decrease along the urban-rural gradient, and (ii) opportunistic species hypothesis (abundance of the generalist species would increase by increasing level of urbanization). The abundance of the forest specialist isopod Trachelipus ratzeburgii increased significantly along the studied gradient. An opposite tendency was observed for the abundance of the urban environment specialist isopod Porcellio scaber , as it was significantly higher in the urban area than in the suburban and rural sites. One generalist species (Trachelipus rathkii) gained dominance in the urban area, while other two generalists (Armadillidium vulgare and Porcellium collicola) showed no significant changes in abundance along the gradient.

Item Type: Article
Subjects: Q Science / természettudomány > QH Natural history / természetrajz > QH301 Biology / biológia
Q Science / természettudomány > QH Natural history / természetrajz > QH540 Ecology / ökológia
SWORD Depositor: MTMT SWORD
Depositing User: MTMT SWORD
Date Deposited: 14 Mar 2014 08:36
Last Modified: 14 Mar 2014 08:36
URI: http://real.mtak.hu/id/eprint/10851

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