Abstract
From 2005 to 2007 the water bodies in the area of Gniezno have been controlled to establish amphibian species composition and their number. Thirty four of water bodies were under observation. In 23 among them (67.6%) the following species of amphibians were present: common frog Rana temporaria, moor frog Rana arvalis, “water frogs” Rana esculenta complex, common spadefoot, fire-bellied toad Bom- bina bombina, common toad Bufo bufo; green toad Bufo viridis; and smooth newt Tritunis vulgaris. “Water frogs” and common frog formed the largest populations. Great crested newt Tritunis cristatus, natterjack toad Bufo calamita, and tree frog Hyla arborea were not observed.
Highlights
A bstract: From 2005 to 2007 the water bodies in the area of Gniezno have been controlled to establish amphibian species composition and their number
In 23 among them (67.6%) the following species of amphibians were present: common frog Rana temporaria, moor frog Rana arvalis, “water frogs” Rana esculenta complex, common spadefoot, fire-bellied toad Bombina bombina, common toad Bufo bufo; green toad Bufo viridis; and smooth newt Tritunis vulgaris
A adverse influence o f the anthropogenic effects on the number o f am phibians is present in cities, which makes the living conditions in those areas acutely un favorable for amphibians (Siwak & Chętnicki 2002)
Summary
’’Milenium ’’College o fHumanities and Management o f Gniezno, ul. Pstrowskiego 3a, 62-200 Gniezno, Poland; e-mail: waclaw.adamiak(alautografpl. A bstract: From 2005 to 2007 the water bodies in the area of Gniezno have been controlled to establish amphibian species composition and their number. Thirty four o f water bodies were under observation. In 23 among them (67.6%) the following species of amphibians were present: common frog Rana temporaria, moor frog Rana arvalis, “water frogs” Rana esculenta complex, common spadefoot, fire-bellied toad Bombina bombina, common toad Bufo bufo; green toad Bufo viridis; and smooth newt Tritunis vulgaris. “Water frogs” and common frog formed the largest populations. Great crested newt Tritunis cristatus, natterjack toad Bufo calamita, and tree frog Hyla arborea were not observed
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