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Title (Primary) Connectivity compensates for low habitat quality and small patch size in the butterfly Cupido minimus
Author Binzenhöfer, B.; Biedermann, R.; Settele, J.; Schröder, B.;
Journal Ecological Research
Year 2008
Department BZF; NSF;
Volume 23
Issue 2
Language englisch;
Supplements https://esj-journals.onlinelibrary.wiley.com/action/downloadSupplement?doi=10.1007%2Fs11284-007-0376-x&file=ere0259-sup-0001.doc
Keywords Butterfly; Cupido minimus; Dispersal; Habitat model; Habitat size; Habitat quality; Habitat isolation; Species persistence
Abstract Habitat size, habitat isolation and habitat quality are regarded as the main determinants of butterfly occurrence in fragmented landscapes. To analyze the relationship between the occurrence of the butterfly Cupido minimus and these factors, patch occupancy of the immature stages in patches of its host plant Anthyllis vulneraria was studied in the nature reserve Hohe Wann in Bavaria (Germany). In 2001 and 2002, 82 A. vulneraria patches were surveyed for the presence of C. minimus larvae. The occurrence was largely affected by the size of the food plant patches. In a habitat model that uses multiple logistic regression, the type of management and habitat connectivity are further determinants of species distribution. Internal and temporal validation demonstrate the stability and robustness of the developed habitat models. Additionally, it was proved that the colonization rate of C. minimus was significantly influenced by the distance to the next occupied Anthyllis patch. Concerning long-term survival of (meta-) populations in fragmented landscapes, the results show that lower habitat quality may be compensated by higher connectivity between host plant patches. Electronic supplementary material The online version of this article (doi:) contains supplementary material, which is available to authorized users.
ID 809
Persistent UFZ Identifier http://www.ufz.de/index.php?en=20939&ufzPublicationIdentifier=809
Binzenhöfer, B., Biedermann, R., Settele, J., Schröder, B. (2008):
Connectivity compensates for low habitat quality and small patch size in the butterfly Cupido minimus
Ecol. Res. 23 (2), 259 - 269