Pond and landscape characteristics — which is more important for common toads ( Bufo bufo )? A case study from central Romania Tibor Hartel 1,2 , Szilárd Nemes 3 , László Demeter 4 , Kinga Öllerer 1 1 Institute of Biology — Romanian Academy, Splaiul Independen¸tei 296, 060031 – Bucharest, Romania 2 Corresponding author, present address: Mircea Eliade College, str. 1 Decembrie 1918 nr. 31, 545400 Sighi¸soara, Romania. E-mail: firstname.lastname@example.org 3 School of Mathematical Sciences, University of Gothenburg SE-412 96 Göteborg, Sweden 4 Sapientia Hungarian University of Transylvania, Department of Technical and Nature Sciences, 530104 M-Ciuc, p¸ta. Libert˘a¸tii 1, Romania Abstract. The primary anthropogenic factor causing amphibian declines in Europe is habitat loss and fragmentation. Here we explore the effects of aquatic and landscape habitat variables on the adult counts of the Common Toad ( Bufo bufo ) in 43 ponds in central Romania surveyed between 2000 and 2005. Principal components analysis (PCA) identified two main factors, with which the adult counts can be related the first related to landscape variables (percentage of forest cover, presence/absence of roads and habitat corridors) and the second, to pond variables, in particular the presence/absence of fish, together accounting for 49% of
Applied Herpetology – Brill
Published: Jan 1, 2008
Keywords: BUFO BUFO; ROMANIA; COUNTS; CONSERVATION; HABITAT FEATURES
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