Essays about: "natural production"
Showing result 1 - 5 of 914 essays containing the words natural production.
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1. Uppväxtmiljöns påverkan på den unga värphönans stressnivå
University essay from SLU/Dept. of Animal Environment and HealthAbstract : Kronisk stress inom äggproduktionen resulterar i stora negativa konsekvenser på djurvälfärd och produktion och kan bland annat uppstå när hönorna ej tillåts ge utlopp för deras beteendebehov. Denna studie utfördes för att bidra med information kring hur uppväxtmiljön bör utformas för att minska stressnivån hos kycklingarna. READ MORE
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2. Shifting focus from yields to food supply : an evaluation of the ‘number of people fed per hectare’ indicator at farm and national level
University essay from SLU/Department of Molecular SciencesAbstract : The challenge of feeding a growing global population while reducing the pressure on climate and ecosystems has gained much attention in research over the last decades. A crucial yet often overlooked aspect in research addressing this complex challenge is the efficiency of food production in meeting nutritional needs within the constraints of global cropland resources. READ MORE
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3. Stamskador och dess uppkomst vid mekaniserad kvalitetsgallring i norra Sverige
University essay from SLU/School for Forest ManagementAbstract : Gallring är ett ingrepp som görs i ett skogsbestånd med syfte att ta bort ett urval av träd för att gynna de kvarstående, samt att ge en intäkt i form av virke. Som skogsägare kan man prioritera vilka värden man vill gynna i sin skog; ekonomiska, sociala och/eller biologiska. READ MORE
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4. Microbial production of chemical building blocks from lignin
University essay from Lunds universitet/Teknisk mikrobiologiAbstract : Plastics, derived from fossil fuels, have raised considerable environmental concerns. This has prompted the search for sustainable and safer plastic precursors alternatives. One alternative explored in the present study is vanillin, a phenolic compound derived from lignin, an abundant and renewable natural polymer. READ MORE
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5. Mängden död ved i värdekärnor i Söderåsens nationalpark
University essay from SLU/Southern Swedish Forest Research CentreAbstract : There is a lack of knowledge about the development of the dead wood in former production beech (Fagus sylvatica) forests that have been protected. The present study has been carried out in Söderåsen National Park to compare the distribution of dead wood in relatively unaffected beech forests that have been protected for a long time (A-value cores) and older, previously managed beech forest that has only been protected for 20-30 years (B-value cores). READ MORE