Essays about: "conservation of trees and importance"

Showing result 16 - 20 of 30 essays containing the words conservation of trees and importance.

1. 16. Occurrence and distribution of Phytophthora spp. : affecting European beech (Fagus sylvatica) within Söderåsen National Park

   University essay from SLU/Southern Swedish Forest Research Centre

   Author : Adriaan Van Tour; [2017]
   Keywords : Phytophthora cambivora; Söderåsen National Park; beech; fagus sylvatica; Phytophthora plurivora; soil baiting; tissue plating; environmental sequencing;

   Abstract : There has been an increase of damage on beech in Europe since the 1990s, especially in central Europe and Germany. The first report on beech in Sweden was in 2010 in Malmö and since then there have been additional observations of symptomatic beech trees at multiple locations, among which Söderåsens national park is one such location. READ MORE

3. 17. Semi-natural pastures in Scania: grazing and the support system

   University essay from Lunds universitet/Examensarbeten i biologi

   Author : Dan Gerell; [2016]
   Keywords : Biology and Life Sciences;

   Abstract : Semi-natural pastures are one of the most species-rich habitats found in Sweden and many endangered species are connected to them. Strongly declining in area, semi-natural pastures in Sweden can be eligible for financial support within the EU agri-environmental scheme. READ MORE

4. 18. Ecological requirements of the threetoed woodpecker (Picoides tridactylus L.) in boreal forests of northern Sweden

   University essay from SLU/Dept. of Wildlife, Fish and Environmental Studies

   Author : Michelle Balasso; [2016]
   Keywords : three-toed woodpecker; dead wood; dead spruce; snags; habitat requirements; boreal forest; forest management;

   Abstract : The three-toed woodpecker (Picoides tridactylus L.) is a forest specialist bird, highly dependent on dead and decaying trees for foraging. I investigated the occurrence of the three-toed woodpecker in relation to vegetation characteristics including dead wood in the boreal forests of northern Sweden. READ MORE

5. 19. Comparison of tree cavity abundance and characteristics in managed and unmanaged Swedish boreal forest

   University essay from SLU/Dept. of Wildlife, Fish and Environmental Studies

   Author : Sophie Michon; [2014]
   Keywords : birds; boreal forest; forest management; tree cavities; tree holes;

   Abstract : Tree cavities are major components of the forest ecosystem worldwide as they are required substrate for a large number of species (including nesting and roosting birds, mammals, fungi, and insects). The present study aimed to provide new knowledge on cavity density and cavity tree characteristics in the Swedish boreal zone where only little information exists on this subject. READ MORE

6. 20. Hur kan mångfalden gynnas på SCA:s naturvårdsareal? : natur- och kulturvärden i Peltovaara mångfaldspark

   University essay from SLU/Dept. of Forest Ecology and Management

   Author : Anna Hallmén; [2013]
   Keywords : skogshistoria; modellområde; kulturlandskap; kulturspår i träd; tallskog; forest history; model area; cultural landscape; culturally modified trees; pine forest;

   Abstract : Områden med skyddad skog i norra Fennoskandia, som tidigare beskrivits som orörd urskog, har på senare tid visat sig vara påverkade av långvarigt mänskligt resursutnyttjande. Historiska analyser av ekosystem, där även antropogena störningar beaktas, har därför börjat lyftas fram som en viktig del i naturvårdsarbete (Foster m.fl. 2003). READ MORE