95 uppsatser · sida 1 av 7
beståndshistorik i tolv nyckelbiotoper i Lycksele kommun
… Forestry Administration conducts a nation-wide inventory of wood-land key habitats covering all forest land in Sweden. The inventory aims at mapping and describing habitats where redlisted species occur or can be expected to occur. According to the inventory stand history is …
en undersökning av kanteffekter i några av östersjöregionens skogar
… what specific species of trees and shrubsyou usually find in the edge and core habitats in some of the forests in the Baltic Sea region. I alsowanted to identify the edge effects and their sources and finally compare the results between thedifferent regions.The data sources used …
en jämförelse av habitatkvaliteter för vedlevande lavar och mossor
… Dead wood is most abundant in young forests, thinned forests, woodland key habitats and protected forest land. In old-growth forests most of the dead wood consists of logs and snags, whilst in managed forests a huge proportion of dead wood is made up of logging residues like …
… listed species classified as Endangered (EN) and is also considered within the Habitats Directive. The distribution in Sweden is fragmented and it is mostly occurring in the south eastern parts. We investigated the presence of Unio crassus in a section of the stream Storån …
consequences of using different density estimation methods
… of potential reproduction areas, including spawning and juvenile rearing habitats. The mapping included 61 km of various stream sections along the river length of 269 km. The total area of stream habitats was estimated to 647 ha of which 396 ha (61%) were considered as either …
… studied during the last decade, and comparisons between urban and non-urban habitats have been carried out. A common method for measuring habitat quality is to calculate the population density. This method is easy to use, but have been criticized during the last couple of years …
kvaliteten på urbana habitat och om beståndstäthet är ett bra mått på habitatkvalitet
… studied during the last decade, and comparisons between urban and non-urban habitats have been carried out. A common method for measuring habitat quality is to calculate the population density. This method is easy to use, but have been criticized during the last couple of years …
… or overgrowing. As a result many species have been pushed back to "leftover" habitats like shooting ranges, power line corridors, roadsides, dumps, embankments and other similar areas. Therefore the question has been raised, wether or not it is needed to re-introduce large …
Stridsfordons påverkan på olika naturtyper i militära övningsområden
A lot of habitats have declined or disappeared as the old cultural landscape changed to the modern agricultural landscape of today. Places such as power line corridors, racing tracks, gravel pits and military training sites have become refuges for many species associated with …
the role of age, weight, hind foot length, and vegetation and habitat on bed sites
… had been captured in short grass, herbs, blueberry shrubs, and moss in closed habitats had a higher tick burden than fawns that was captured in high grass and herbs in open habitats. This was consistent with the result from sampling ticks on cloth drags, where the highest amount …
importance of local environmental variables, propagule sources, and distance to bordering woodland key habitats
… The study was conducted in young standsbordering dead wood rich woodland key habitats. All CWD and totally 202 FWD in five plotswere searched for the presence and abundance of the study species, and local environmentalvariables, propagule sources and distance to bordering …
… of C. a. palliatus are relatively isolated from each other and their habitats are constantly undergoing deforestation which makes this subspecies vulnerable to extinction. In 2001, the estimated number of Angola black-and-white colobus in Kenya was 3100 to 5000 individuals …
En identifiering av habitatkaraktärer viktiga för diversitet och abundans av grodor i tropisk regnskog
… through the mouth and upstream in tributaries forms a range of differing habitats. The aim of this study was to investigate the effect of these different habitats on the riparian frog community in primary rain forest in Borneo; i.e. examine whether any gradients could be …
… in the last decades. It is a generalist species which utilizes a variety of habitats, and its presence has been shown to have both positive and negative effects for people and the landscape they are in. The abundance and increase of wild boar has previously been shown to differ …
… about the interaction among different ecosystem services and different habitats capacity to generate them. An evaluation of eight different methods is done. The ecosystem services studied are the ability to absorb solar energy, biomass production, botanical diversity …
