Zobrazeno 1 - 2
of 2
pro vyhledávání: '"Martin Amcoff"'
Autor:
Martin Amcoff, Pär Eriksson
Publikováno v:
Ornis Svecica. 6:107-119
The Three-toed Woodpecker Picoides tridactylus has declined with at least fifty percent in most of Sweden since the 1970s. This study was made in an area of 150 km2 in the eastern part of the province of UppIand in order to explain the habitat requir
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b19b90a4333e6da20028a4b60d68530c
https://doi.org/10.34080/os.v6.22986
https://doi.org/10.34080/os.v6.22986
Publikováno v:
Ornis Svecica. 4:145-158
At 30 Honey Buzzard nests in southwest Uppland (59°45'N) data were collected concerning different parameters of the forest (tree species composition, age, density, site quality class, silviculture, history etc.). These data were compared with the sa
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ee099295e5230c286309b773d64eb3a8
https://doi.org/10.34080/os.v4.23016
https://doi.org/10.34080/os.v4.23016