Essays about: "vinterförhållanden"

Showing result 6 - 8 of 8 essays containing the word vinterförhållanden.

1. 6. Effects of snow cover and rain on breeding success in tawny owls Strix aluco

   University essay from Institutionen för vård och natur

   Author : Lisa Malm; [2011]
   Keywords : ;

   Abstract : Breeding success in Tawny owls is known to be affected by both prey abundances and weather conditions. In Finland, an effect of winter conditions on hatching date was found and in Hungary it has been shown that snow cover affect chick survival negatively. READ MORE

3. 7. Röjning på snö och röjning på barmark : effekter på produktivitet och kvarvarande bestånd

   University essay from SLU/Dept. of Silviculture

   Author : Johanna Sahlén; [2005]
   Keywords : produktivitet; röjning; röjningssäsong; tidsstudie; vinterförhållanden;

   Abstract : Approximately 4000-5000 hectares, of SCA´s forest land area in Västerbotten, are in need of pre-commercial thinning (PCT) every year. Within the management district, the areas annually treated with PCT must increase, in order to decrease the area with an urgent need for PCT. READ MORE

4. 8. Modelling the Wind Climate in Mountain Valleys Using the MIUU Mesoscale Model

   University essay from Uppsala universitet/Luft-, vatten- och landskapslära

   Author : Nikolaus Juuso; [2002]
   Keywords : MIUU model; wind climate; mountain meteorology;

   Abstract : High average wind speeds have been measured in many valleys. The reasons for these high winds are channelling effects of two physical origins, forced channelling and pressure driven channelling. READ MORE