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Several studies have demonstrated the importance of forest structure on forest bird species richness. The objective of the present study was to determine the importance of forest structure on forest bird richness in Denmark. For this purpose three components of the forests were taken into account; tree height, type (coniferous or deciduous) and canopy cover. These three data sets were linked to data from a bird census carried out by volunteers throughout Denmark and different statistical analyses were performed. The results of the statistical analyses highlighted the importance of canopy cover when considered within a 500 meters buffer zone. The statistical analyses also showed that the percentage of forest is a significant factor explaining the richness of forest birds. If a certain threshold of percentage of forest is reached, then trees measuring over 17 meters are also considered as factors positively influencing forest bird richness. At the species level, whether the forests are dominated by conifers or deciduous trees does not affect richness, the key factor being the proportion of forest. However, it is clear that other factors that were not taken into account in the analyses conducted in this thesis are likely to influence forest bird richness in Denmark. Another limitation of this study is that the data used in the analyses are from different years and sources.
Forest structure --- Forest bird --- Denmark --- Landscape elements --- Sciences du vivant > Sciences de l'environnement & écologie
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Northern forested landscapes are important habitats for many boreal birds. This Special Issue portrays the current state of knowledge on boreal bird diversity, ecology, management, and conservation. Humans have diverse impacts on boreal habitats worldwide, and knowledge of the avian community associated with these northern forests is key to conservation measures.
Research & information: general --- Biology, life sciences --- Genetics (non-medical) --- boreal --- buffering --- climate change --- forest bird --- macroclimate --- population decline --- protected areas --- topographic heterogeneity --- bird distribution and abundance --- boreal birds --- Canada Warbler --- Cardellina canadensis --- Zonation --- reserve design --- Euphagus carolinus --- nest success --- post-fledging --- rusty blackbird --- survivorship --- streams --- wetlands --- range periphery --- spruce–fir forests --- range shift --- community dynamics --- red squirrel --- wetland --- point count --- remotely sensed landscape data --- unmarked --- boreal forest --- clear-cutting --- conservation --- forest management --- old-growth forest --- Picoides dorsalis --- Black Belt Prairie --- citizen science --- machine learning --- niche modeling --- group size --- habitat use --- species distribution models --- Rusty Blackbird --- boreal wetlands --- aquatic macroinvertebrates --- foraging ecology --- occupancy modeling --- genetic diversity --- glacial refugia --- phylogeography --- n/a --- spruce-fir forests
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Northern forested landscapes are important habitats for many boreal birds. This Special Issue portrays the current state of knowledge on boreal bird diversity, ecology, management, and conservation. Humans have diverse impacts on boreal habitats worldwide, and knowledge of the avian community associated with these northern forests is key to conservation measures.
boreal --- buffering --- climate change --- forest bird --- macroclimate --- population decline --- protected areas --- topographic heterogeneity --- bird distribution and abundance --- boreal birds --- Canada Warbler --- Cardellina canadensis --- Zonation --- reserve design --- Euphagus carolinus --- nest success --- post-fledging --- rusty blackbird --- survivorship --- streams --- wetlands --- range periphery --- spruce–fir forests --- range shift --- community dynamics --- red squirrel --- wetland --- point count --- remotely sensed landscape data --- unmarked --- boreal forest --- clear-cutting --- conservation --- forest management --- old-growth forest --- Picoides dorsalis --- Black Belt Prairie --- citizen science --- machine learning --- niche modeling --- group size --- habitat use --- species distribution models --- Rusty Blackbird --- boreal wetlands --- aquatic macroinvertebrates --- foraging ecology --- occupancy modeling --- genetic diversity --- glacial refugia --- phylogeography --- n/a --- spruce-fir forests
Choose an application
Northern forested landscapes are important habitats for many boreal birds. This Special Issue portrays the current state of knowledge on boreal bird diversity, ecology, management, and conservation. Humans have diverse impacts on boreal habitats worldwide, and knowledge of the avian community associated with these northern forests is key to conservation measures.
Research & information: general --- Biology, life sciences --- Genetics (non-medical) --- boreal --- buffering --- climate change --- forest bird --- macroclimate --- population decline --- protected areas --- topographic heterogeneity --- bird distribution and abundance --- boreal birds --- Canada Warbler --- Cardellina canadensis --- Zonation --- reserve design --- Euphagus carolinus --- nest success --- post-fledging --- rusty blackbird --- survivorship --- streams --- wetlands --- range periphery --- spruce-fir forests --- range shift --- community dynamics --- red squirrel --- wetland --- point count --- remotely sensed landscape data --- unmarked --- boreal forest --- clear-cutting --- conservation --- forest management --- old-growth forest --- Picoides dorsalis --- Black Belt Prairie --- citizen science --- machine learning --- niche modeling --- group size --- habitat use --- species distribution models --- Rusty Blackbird --- boreal wetlands --- aquatic macroinvertebrates --- foraging ecology --- occupancy modeling --- genetic diversity --- glacial refugia --- phylogeography
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