Essays about: "markfuktighet"

Showing result 1 - 5 of 40 essays containing the word markfuktighet.

1. 1. Environmental factors affecting European spruce bark beetle (Ips typographus) outbreaks in Sweden : Linking AI-detected dead spruce, soil moisture, nature protection and bark beetle outbreak (Ips typographus) in Sweden

   University essay from Karlstads universitet

   Author : Petter Hessle; [2023]
   Keywords : Ips typographus; Biology; forest; Norway spruce; Picea abies; European spruce bark beetle; Ecology; outbreak; Ai; Sweden; Biologi; ekologi; skog; Granbarkborre; gran; Ai; utbrott; naturvård; Ips typographus; sverige;

   Abstract : Norway spruce (Picea abies) is a vital tree species in Sweden's extensive forested landscape. However, the planting of spruce beyond its natural range has made it vulnerable to pests like the spruce bark beetle (Ips typographus), which has caused substantial damage to Swedish forests. READ MORE

3. 2. Relationen mellan ståndortsindex, markfuktighetsklass och granbarkborreangrepp i Uppsala och Västmanland

   University essay from SLU/School for Forest Management

   Author : Anton Pettersson; Mattias Nilsson; [2022]
   Keywords : bonitet; Ips Typographus; trädslagsval;

   Abstract : De senaste tre åren har i genomsnitt 25 procent av den magra marken planterats med gran i Sverige. Gran växer bäst på bördiga marker med god markfuktighet. Trenden har lett till att Skogsstyrelsen meddelat ett stopp för föryngring av gran på tallmark fr.o. READ MORE

4. 3. Effekter av torka och vall på marklevande nematoder

   University essay from SLU/Dept. of Ecology

   Author : Linda Nilsson; [2022]
   Keywords : nematoder; torka; markfuktighet; vall; växtföljd;

   Abstract : Nematoder finns i stora mängder i marken och påverkar jordbruket på flera sätt. Det finns nematoder som har en positiv inverkan då de bidrar till markens näringsomsättning och mobiliserar kväve men det finns även växtätande nematoder som kan orsaka skördeförluster. READ MORE

5. 4. Predicting Drought Hazard In Sweden Using Google Earth Engine And Machine Learning Approach

   University essay from KTH/Hållbar utveckling, miljövetenskap och teknik

   Author : Jung-ching Kan; [2022]
   Keywords : drought forecast; google earth engine; machine learning; Sweden; torkaprognos; google earth engine; maskininlärning; Sverige;

   Abstract : Drought, being one the most complex natural hazards, has a significant impact on society. To mitigate the impact and risk, it is crucial to be able to forecast drought, which is a challenging task. Nowadays, with technology innovations, large amounts of remote sensing data is available on the cloud. READ MORE

6. 5. Drivers of decomposition across Sphagnum bog margins

   University essay from Karlstads universitet/Institutionen för miljö- och livsvetenskaper (from 2013)

   Author : Emil Nordström; [2022]
   Keywords : Peatlands; tea bag index; edge effects; carbon storage; carbon sequestration; waterlogging; Torvmark; kanteffekter; kollagring; koldioxidbindning;

   Abstract : Peatlands provide multiple ecosystem services, including extensive carbon sequestration and storage, yet many peatlands have been degraded or destroyed. Peatlands carbon storage capacity is connected to inherently low decomposition rates, causing the build-up of organic matter. READ MORE