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Distribution and status of the green toad Bufo viridis Laurenti, 1768 in Saxony Zur Verbreitung und Situation der Wechselkroete Bufo viridis Laurenti, 1768 in Sachsen


Mertensiella. 30 Juni; 14: 72-76
Distribution and status of the green toad Bufo viridis Laurenti, 1768 in Saxony Zur Verbreitung und Situation der Wechselkroete Bufo viridis Laurenti, 1768 in Sachsen
The green toad (Bufo viridis) was mentioned the first time in saxonian literature in 1831. B. viridis occupies 262 of totally 659 squares (39.8 % faster frequency) and its vertical distribution is restricted to the planar-colline belts, and the 17 deg. C-July-isotherm in the hilly region (SCHIEMENZ 1980). Since the 1990s in 53 squares no observation was made, so the species seemed to be extinct in these squares. The decline is remarkable in the northwestern parts of Saxony, particularly west of the River Elbe and River Mulde. Currently about 280 spawning sites are known. Most of the populations are small and the declining tendence is continuous. The green toad is categorized in the Red-Data-List of the Federal State of Saxony as "threatened". Reasons for the dramatic decline are multifarious, but can be traced back mainly to the destruction of the spawning sites.

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Accession: 038154003



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