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Articles containing the keyword 'linnusto'
Category : Article
article id 4982,
category
Article
(1977).
Metsien rakenteen muutoksen vaikutus pesimälinnustoomme viimeisten 30 vuoden aikana.
Silva Fennica
vol.
11
no.
4
article id 4982.
https://doi.org/10.14214/sf.a14836
English title: Effects of modern forestry on the numbers of breeding birds in Finland.
Abstract |
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Author Info
Pair numbers of breeding land birds were estimated from line transects data collected in Finland in 1936–76. The changes observed in the bird populations are in this paper compared with data obtained in the Finnish forest inventories, particularly made in 1951–53 and 1971–76. It is concluded that modern forestry has considerable impact on the breeding bird fauna. In general, more species have increased than decreased due to changes in the forests. Areas affected by forestry are more favourable habitats for many species than natural forests, but, on the other hand, there are certain species which are greatly harmed by the effects of modern forestry.
The PDF includes a summary in English.
-
Järvinen,
E-mail:
oj@mm.unknown
- Kuusela, E-mail: kk@mm.unknown
- Väisänen, E-mail: rv@mm.unknown
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