Essays about: "willow"

Showing result 1 - 5 of 57 essays containing the word willow.

1. 1. Biobased iron pellet production : Assessment of the availability and sustainability of biomass as fuel for iron ore pellet production in LKAB

   University essay from Mittuniversitetet/Institutionen för naturvetenskap, design och hållbar utveckling (2023-)

   Author : Magnus Kemi; [2023]
   Keywords : bio-energy; biomass; coal; greenhouse gas emissions; industrial residues; LCA; LKAB; logging residues; iron ore; pellets; sinters; willow; sustainability;

   Abstract : Iron production accounts for substantial shares of global coal use and GHG emissions. LKAB is Europe’s largest iron company and Sweden’s fourth-largest emitter of GHGs. To reduce its emissions, LKAB might implement biomass in iron ore pelletisation. READ MORE

3. 2. Sandytor som habitat för insekter : en studie av anlagda och naturliga sandytor i Solna kommun

   University essay from SLU/Dept. of Ecology

   Author : Nelly Zetterquist; [2022]
   Keywords : insekter; sandlevande insekter; vilda bin; skalbaggar; sandmarker; anlägga sandytor; sandbäddar; sandblottor; bohål; kläckhål; miljövariabel; area; lutning; väderstreck; sandjord; täckningsgrad av markvegetation; solexponering; sälg;

   Abstract : Många insekter är beroende av sandiga marker för sin överlevnad. Exempelvis gräver många arter av bin, getingar och skalbaggar sina bon i sandmarker. Under 1900-talet har dock den totala arealen sandmark minskat betydligt till följd av förändrad markanvändning, och tillståndet för sandlevande arter har försämrats. READ MORE

4. 3. Födovalspreferenser hos en arktisk specialist : vad föredrar Gynaephora groenlandica (Lepidoptera:Erebidae) att äta på Wrangelön?

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

   Author : Beatrice Elfvenfjärd; Erika Åmansson; [2022]
   Keywords : Gynaephora groenlandica; arktisk ullbjörnslarv; födopreferenser; arktisk tundra; arktisk specialist; växtegenskaper;

   Abstract : The Arctic tundra has many unexplored areas. Due to the harsh climate and the difficult accessibility, there is a lack of knowledge about the different species that live under these circumstances. Herbivores in this environment have a large effect on the plant community, one of these is the moth butterfly larva Gynaephora groenlandica. READ MORE

5. 4. Älgens och skogshönsens nyttjande av ett två år gammalt brandfält

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

   Author : Alice Kårehagen; Hannah Sophie Jakob; [2022]
   Keywords : älg; Alces alces; skogshöns; Tetraoninae; brand; skogsbrand; älgbete; Ljusdal;

   Abstract : Forest fires have had an extensive impact on our landscapes. Natural forest fires are especially important for the regeneration of pine and nutrition cycle in the boreal zone. READ MORE

6. 5. Go with the flow - can environmental flows save us? : A study of the flow patterns in Bredforsen and possibilities for the future

   University essay from Umeå universitet/Institutionen för ekologi, miljö och geovetenskap

   Author : Hilda Brynjarsdotter; [2022]
   Keywords : Riparian zone; Riparian vegetation; Riparian vegetation zones; Regulated rivers; Floodings; hydropower;

   Abstract : Freshwater systems have, during human history, endured large-scale impacts. According to the water framework directive, measures must be developed to create a better environment for species in, and connected to, freshwater systems. Hydropower plants has caused loss of natural disturbance (e.g. READ MORE