Essays about: "lichen abundance"
Showing result 1 - 5 of 15 essays containing the words lichen abundance.
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1. Land reclamation by reindeer lichens : On the complexity of substrate and reindeer grazing on Cladonia spp. dispersal
University essay from Umeå universitet/Institutionen för ekologi, miljö och geovetenskapAbstract : Reindeer lichens are on a dramatic decline in Sweden, with a 71 % decrease in abundance over the last 60 years. Reindeer (Rangifer tarandus tarandus L.) management, undertaken by indigenous Sámi people, depend upon extensive winter grazing grounds with abundant reindeer lichen cover. READ MORE
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2. Reforestation in the far north : comparing effects of the native tree species Betula pubescens and the non-native Pinus contorta in Iceland
University essay from SLU/Dept. of Wildlife, Fish and Environmental StudiesAbstract : The use of non-native tree species in forestry is both praised and questioned. Foresters have often promoted their use, mainly because of higher growth rates, resilience to pests and diseases and improved survival under harsh conditions. READ MORE
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3. Reindeer in the archipelago of Holmöarna : Abundance of habitats and how reindeer have utilized them during winter 2015-16 and summer 2016
University essay from Umeå universitet/Institutionen för ekologi, miljö och geovetenskapAbstract : In the winter 2015/2016, about 700 reindeer were winter grazing on the islands of Holmöarna. Since the islands had not been used for reindeer grazing for more than 100 years, this is a unique opportunity to study how reindeer influence the vegetation that has developed in the absence of reindeer. READ MORE
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4. Does type of habitat affect tick-burden in roe deer (Capreolus capreolus) neonates?
University essay from Högskolan i Halmstad/BiovetenskapAbstract : This study was investigating the relationships between: 1) habitat type and tick abundance, 2) habitat type and tick load on fawns, and 3) tick load and fawn survival. During two years and in two study areas, 105 fawns (57 fawns in Bogesund and 48 fawns in Grimsö) have been captured by hand and equipped with a radio-transmitter. READ MORE
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5. Ekonomiska effekter för verkställande av överenskommelser i samråd : en analys av gemensamt nyttjande av skogsmark mellan skogs- och rennäring i norra Sverige
University essay from SLU/Dept. of Forest EconomicsAbstract : Lavbetesland, med resursen lav i fokus, kan precis som fiskevatten i havet beskrivas som en gemensam resurs, så kallad common pool resources (CPR). Att effektivisera nyttjandet av en CPR leder till att fler kan ta del av den eller att varje part får ut ett högre värde från den. READ MORE