Search for dissertations about: "canopy tree"
Showing result 1 - 5 of 42 swedish dissertations containing the words canopy tree.
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1. Modelling soil temperature and carbon storage changes for Swedish boreal forests
Abstract : With the use of a process-orientated ecosystem model andmeasurements conducted at different Swedish coniferous forestsites, abiotic and biotic interactions between tree and soilwere identified and related to governing factors. Two differentmodelling approaches to describe soil temperatures at two sitesincluding hydrological transects were tested (I). READ MORE
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2. Wooded or treeless pastures? : Linking policy, farmers' decisions and biodiversity
Abstract : Worldwide, biodiversity conservation is one of the key challenges for a sustainable future of nature and society. It is particularly important to preserve high quality habitats within otherwise intensively managed agricultural landscapes. READ MORE
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3. Organic acids and siderophores in forest soil solution
Abstract : .... READ MORE
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4. Optimal thinning : a theoretical investigation on individual-tree level
Abstract : Paper I: In paper I, we asked how a tree should optimally allocate its resources to maximize its fitness. We let a subject tree grow in an environment shaded by nearby competing trees. The competitors were assumed to have reached maturity and had stopped growing, thus creating a static light environment for the subject tree to grow in. READ MORE
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5. Impact of tree species on carbon in forest soils
Abstract : Different tree species differ in productivity, litter quality and quantity, canopy structure and nitrogen deposition. Norway spruce (Picea abies), Scots pine (Pinus sylvestris) and birch (Betula pendula and B. pubescens) are the three dominant tree species in Sweden. READ MORE