Essays about: "species conservation"
Showing result 1 - 5 of 548 essays containing the words species conservation.
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1. The forgotten sand bee. A follow up on the status of the golden sand bee Andrena marginata in municipality of Mark, a decade later
University essay from Göteborgs universitet / Instiutionen för biologi och miljövetenskapAbstract : Over a decade ago, a conservation project aimed at preserving the endangered golden sand bee (Andrena marginata) populations in the Storån valley of the municipality of Marks was initiated. The species, red-listed in Sweden as well as in many other European country, specializes in pollen from Devil's bit. READ MORE
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2. An attempt to promote ground-nesting bees in an urban landscape. Investigating the use of sand beds as a conservation effort.
University essay from Göteborgs universitet / Instiutionen för biologi och miljövetenskapAbstract : Pollinators provide crucial services for the ecosystems by pollinating around 80-90% of all plants. However, pollinating insects are declining worldwide which may cause a parallel decline in plant species leading to large biodiversity losses. READ MORE
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3. Genetic consequences of translocations in the Doñana population of the endangered Iberian lynx
University essay from Uppsala universitet/Institutionen för biologisk grundutbildningAbstract : Conservation genetics for endangered species is crucial in long-term conservation actions.Inbreeding depression and genetic diversity are main genetic parameters with relevance toconservation. The Iberian lynx was by 2002 the most endangered felid in the world. READ MORE
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4. Can the disappearance of the forest orchid Goodyera repens be linked to clearcutting? : a spatial analysis using citizen science data from southern Sweden.
University essay from SLU/Southern Swedish Forest Research CentreAbstract : Habitat transformation through forestry has an impact on boreal species in northern Europe. In Sweden, even-aged plantations with clearcut harvesting are forestry practices that affect the understory vegetation. This study focuses on the red-listed Goodyera repens, a rhizomatous evergreen orchid. READ MORE
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5. Mängden död ved i värdekärnor i Söderåsens nationalpark
University essay from SLU/Southern Swedish Forest Research CentreAbstract : There is a lack of knowledge about the development of the dead wood in former production beech (Fagus sylvatica) forests that have been protected. The present study has been carried out in Söderåsen National Park to compare the distribution of dead wood in relatively unaffected beech forests that have been protected for a long time (A-value cores) and older, previously managed beech forest that has only been protected for 20-30 years (B-value cores). READ MORE