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An increase in the population of woodpeckers and other bird species thanks to an increase in the quantities of deadwood?  [2009]

Mollet, P. Zbinden, N. Schmid, H., Schweizerische Vogelwarte, Sempach (Switzerland)

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Results from the monitoring programs of the Swiss Ornithological Institute show that the breeding populations of several forest species for which deadwood is an important habitat element (black woodpecker, great spotted woodpecker, middle spotted woodpecker, lesser spotted woodpecker, green woodpecker, three-toed woodpecker as well as crested tit, willow tit and Eurasian tree creeper) have increased in the period 1990 to 2008, although not to the same extent in all species. At the same time the white-backed woodpecker extended its range in eastern Switzerland. The Swiss National Forest Inventory shows an increase in the amount of deadwood in forests for the same period. For all the mentioned species, with the exception of green and middle spotted woodpecker, the growing availability of deadwood is likely to be the most important factor explaining this population increase.

(Revue

Journal forestier suisse

ISSN : 0036-7818

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