Sökning: "Bird National Monitoring Program"

Hittade 2 uppsatser innehållade orden Bird National Monitoring Program.

1. 1. 3D vegetation structure influence on boreal forest bird species richness

   Master-uppsats, SLU/Dept. of Wildlife, Fish and Environmental Studies

   Författare :Emil Larsson; [2017]
   Nyckelord :birds; species richness; vegetation structure; Lidar; laser data; bird point census count; Bird National Monitoring Program;

   Sammanfattning : Bird populations across the world are in danger with decreasing numbers and more species continually becoming red-listed. One main driver behind this trend is human-caused habitat loss and degeneration, which in particular has been identified as a major threat in forested regions. LÄS MER

3. 2. Bird biodiversity in relation to forest composition in Sweden

   Master-uppsats, Lunds universitet/Institutionen för naturgeografi och ekosystemvetenskap

   Författare :Annabelle Finck; [2015]
   Nyckelord :timber production; bird biodiversity; indicator species; forest composition; bird occurrence; Physical Geography and Ecosystems Science; Earth and Environmental Sciences;

   Sammanfattning : The large development of timber activities in Sweden has induced important changes in forest composition. Today they are less old, deciduous trees and snags in Swedish forests. Such changes threaten the survival of certain bird species in Sweden. LÄS MER