Briggs, Lars (2001) Creation of temporary ponds for amphibians in northern and central Europe. Freshwater Forum, 17, pp. 63-70.
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More than 4000 ponds have been created or restored in Denmark since 1985 as part of a large-scale pond-digging programme to protect endangered amphibians in particular and pond flora and fauna in general. Most ponds are created on private land with public financing. The programme was triggered by, among other factors, a drastic decline in amphibian populations in Denmark between 1940 and 1980. However, in recent years there has been an increased awareness in Denmark that temporary ponds are important for the conservation of some of the most rare amphibian species, such as fire-bellied toad Bombina bombina, natterjack toad Bufo calamita and green toad Bufo viridis. Other rare species such as moor frog Rana arvalis and European tree frog Hyla arborea also benefit from temporary ponds. The last 15 years of work on the conservation of endangered species and their habitats has resulted in a last-minute rescue and a subsequent growth in the size of most Danish populations of fire-bellied toad and green toad; some populations of the relatively more common natterjack toad have also increased. The creation of temporary ponds plays an important role in the success of these three species. The creation of ponds to help restore viable populations of the most rare amphibians has not been easy. To study the conditions that may need to be created, Danish herpetologists searched for areas with temporary ponds that had good water quality, natural hydrological conditions and a management regime influenced by traditional agricultural methods. The paper gives an overview of pond creation and restoration projects in Denmark and Poland and their significance for amphibian diversity.
|Title:||Creation of temporary ponds for amphibians in northern and central Europe|
|Journal or Publication Title:||Freshwater Forum|
|Page Range:||pp. 63-70|
|Issuing Agency:||Freshwater Biological Association|
|Uncontrolled Keywords:||Temporary ponds; Habitat; Nature conservation; Amphibiotic species; Restoration; Bufo calamita; Bufo viridis; Bombina bombina;Denmark; Poland|
|Depositing User:||Hardy B Schwamm|
|Date Deposited:||13 Dec 2010 19:35|
|Last Modified:||29 Sep 2011 16:07|
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