Sökning: "woodland key habitat"

Visar resultat 11 - 13 av 13 uppsatser innehållade orden woodland key habitat.

1. 11. GIS-modellering av habitat för vitryggig hackspett (Dendrocopos leucotos) som hjälpmedel i naturvårdsplanering på landskapsnivå

   L3-uppsats, SLU/Dept. of Ecology

   Författare :Linnea Hoas; [2008]
   Nyckelord :GIS; ekologi; naturvård; landskapsskala; vitryggig hackspett;

   Sammanfattning : The white-backed woodpecker is a forest bird being critically endangered in Sweden. The species is dependent on older forests rich in deciduous trees and dead wood. The main problem for the survival of this species is present shortage of habitat. LÄS MER

3. 12. Kan biologisk mångfald ökas i ett avsatt skogsområde? : skötselplan för Storskogsberget på Holmen skogs marker, distrikt Umeå

   L3-uppsats, SLU/Dept. of Forest Ecology and Management

   Författare :Linnea Forsmark; [2007]
   Nyckelord :biologisk mångfald; skötselplan; naturvärdesbedömning;

   Sammanfattning : The biodiversity of the Swedish forest has degenerated since the beginning of the 19th century when fire suppression and large scale logging first occurred. Together with a changed land use, these actions today have had a negative influence on many forest dwelling species, due to gradual reduction of natural processes, successions and different structures from the forest ecosystem. LÄS MER

4. 13. Nyckelbiotoper - urskogsrester eller kulturprodukter? : beståndshistorik i tolv nyckelbiotoper i Lycksele kommun

   L3-uppsats, SLU/Dept. of Forest Ecology and Management

   Författare :Per Ekman; [1997]
   Nyckelord :skogshistoria; nyckelbiotoper; naturvård;

   Sammanfattning : Since 1993 the Swedish Forestry Administration conducts a nation-wide inventory of wood-land key habitats covering all forest land in Sweden. The inventory aims at mapping and describing habitats where redlisted species occur or can be expected to occur. According to the inventory stand history is crucial to the presence of red-listed species. LÄS MER