Essays about: "conservation of trees"
Showing result 6 - 10 of 170 essays containing the words conservation of trees.
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6. Relations between tree and habitat characteristics and the epiphytic lichen flora on oak : a case study from Lövön, Bohuslän
University essay from SLU/Southern Swedish Forest Research CentreAbstract : Oak-rich forests and wooded pastures harbor diverse and distinct epiphytic lichen flora with many rare and threatened species. As these habitats have been subject to a substantial decline and degradation over the past centuries, oak woodlands have progressively come into focus for preservation. READ MORE
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7. Population dynamics of the spruce bark beetle Ips typographus in forest conservation areas and the interaction with biodiversity and natural enemies
University essay from SLU/Dept. of EcologyAbstract : Biodiversity is rapidly decreasing and in need of more conservation efforts. However, the tree-killing European spruce bark beetle, Ips typographus (L.), has made forest conservation controversial by affecting conservation areas and possibly adjoining managed forests, yet is still a keystone species leaving decaying wood promoting biodiversity. READ MORE
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8. Consequences of alternative forest management in riparian buffer zones : a GIS analysis
University essay from SLU/Dept. of Forest Ecology and ManagementAbstract : With increasing pressure from policymakers and the general public to conduct alternative forest management throughout the European Union (EU), Sweden needs to find ways to best prioritize the implementation of this alternative management. Alternative management is a term used to describe alternative management methods to clear-cut rotation forestry and can include silvicultural methods such as continuous cover forestry, management increasing proportion tree diversity and presence of broadleaves, and extended rotation lengths. READ MORE
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9. The restoration period : a new era in forestry
University essay from SLU/Dept. of Forest Ecology and ManagementAbstract : In the last 200 years the boreal forests of Sweden have undergone a dramatic transformation. After a long history of high grading the largest trees foresters grew increasingly concerned about the state of logged over forests. The big question was how to regenerate and increase the productivity of sparse forests. READ MORE
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10. Utveckling av barrträdsföryngringar markberedda med grävmarkberedning kontra harvning på blockrik skogsmark
University essay from SLU/Department of Forest Biomaterials and Technology (from 131204)Abstract : Markberedning utförs på ungefär 90 % av den föryngrade arealen i Sverige varje år och utförs vanligtvis maskinellt med avsikt att bearbeta marken för att skapa goda förutsättningar för plantetablering. En icke obetydlig del av Stora Ensos markinnehav är på blockrik mark som är tekniskt svår att markbereda. READ MORE
