Essays about: "Scots pine Pinus sylvestris"
Showing result 1 - 5 of 143 essays containing the words Scots pine Pinus sylvestris.
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1. Scots pine (Pinus sylvestris L.) morphological variation in the Massif Central region, France. : A study of differences in traits between populations.
University essay from Umeå universitet/Institutionen för ekologi, miljö och geovetenskapAbstract : Scots Pine (P. sylvestris L.) has one of the largest distributions among trees in Eurasia. It is important both economically and ecologically, with a dominant role in forests ecosystems. READ MORE
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2. Foliar fungal communities of naturally regenerated and nursery-produced Scots pine (Pinus sylvestris) seedlings
University essay from SLU/Dept. of Forest Mycology and Plant PathologyAbstract : Endophytic fungal communities living in leaves of trees can have a significant impact on their hosts,showing both beneficial and detrimental effects. Some mutualistic fungal species protect the host against pathogens or herbivores, while pathogenic species can increase the vulnerability of the host against biotic and abiotic stresses. READ MORE
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3. Fungal Effects on Tree Growth in a Primary Succession
University essay from SLU/Dept. of Forest Ecology and ManagementAbstract : In the Boreal zone, ectomycorrhiza is the most common mycorrhiza found among trees and helps with nitrogen and nutrient uptake. Most research on mycorrhiza, its effect, and community development are done on secondary succession (succession in an ecosystem after a disturbance) such as after a clearcut. READ MORE
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4. Barium in the O horizon of soils near Sundsvall, northern Sweden : From local minerals or from anthropogenic emissions?
University essay from Umeå universitet/Institutionen för ekologi, miljö och geovetenskapAbstract : Concentrations of potentially toxic metals in surface soils are important to investigate before building new residential areas. Prior to development of a residential area in Sundsvall, northern Sweden, it was observed that barium (Ba) concentrations in the soil at the site exceeded the guideline value of 200 mg kg-1 outlined by the Swedish Environmental Protection Agency. READ MORE
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5. En jämförelse av föryngringsmetoderna mekanisk sådd av tall och naturlig föryngring av tall
University essay from SLU/School for Forest ManagementAbstract : Föryngring med mekanisk sådd och naturlig föryngring är välbeprövade föryngringsmetoder i svenskt skogsbruk och uppgår idag till tre respektive åtta procent av den totala föryngringsarealen. För att ge en god kvantitativ effekt på plantornas överlevnad och höjdtillväxt används det i stor omfattning någon form av markberedning för att blottlägga mineraljorden och skapa en bättre groningspunkt för plantan. READ MORE