Essays about: "retention forestry"
Showing result 6 - 10 of 28 essays containing the words retention forestry.
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6. Impacts of peatland drainage on soil properties : a study of drainage effects on boreal peatlands in northern Sweden
University essay from SLU/Dept. of Forest Ecology and ManagementAbstract : Peatlands cover approximately 3% of the terrestrial surface on Earth and perform several important ecosystem functions, such as carbon storage and water retention. During the late 19th and early 20th centuries, approximately 2 million hectares of peatlands in Sweden were drained to manage the land for forestry and agriculture. READ MORE
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7. Count on dead wood : a comparison of nature conservation value assessment methods concerning dead wood
University essay from SLU/Dept. of Wildlife, Fish and Environmental StudiesAbstract : Dead wood is acknowledged world-wide for its interconnection to biodiversity and sustainable forest management. In Sweden, today’s retention forestry requires measures to protect and create dead wood, which raise the need of inventory methods for estimating dead wood quantity and quality. READ MORE
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8. Temporal evaluation of retention patch development : retention patches in Swedish forestry
University essay from SLU/Dept. of Forest Ecology and ManagementAbstract : The demands on the world’s forests are increasing rapidly and the different interests are conflicting, often including goals of biodiversity and timber production. Forest management has since the 1990s included a scientifically validated measure known as retention forestry, to better balance conflicting goals of forest management. READ MORE
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9. Evaluated density estimates of young forest stands using high resolution 2D imagery from UAV
University essay from SLU/Dept. of Forest Resource ManagementAbstract : After more than three decades of advanced technology and methods to evaluate young forest attributes, the forestry still prefers laborious field surveys in regenera-tion forests. Preceding studies have virtually all successfully identified the saplings, but the cost has outweighed the benefits or at least not yet convinced the companies to step away from the traditional field surveys; high-resolution photogrammetric point clouds and ALS-data can provide accurate estimations of the biophysical prop-erties but requires intense data processing. READ MORE
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10. Luckhuggning med friställning av asp och sälg : påverkan på epifytiska lavar
University essay from SLU/Dept. of Wildlife, Fish and Environmental StudiesAbstract : I norra Sverige har effektivt skogsbruk och minskad brandfrekvens under det senaste århundradet medfört att äldre skog med gamla lövträd är sällsynt förekommande. I denna del av landet har framförallt asp och sälg stor betydelse för den biologiska mångfalden. READ MORE
