Search for dissertations about: "biodiversity"

Showing result 1 - 5 of 299 swedish dissertations containing the word biodiversity.

  1. 1. Ecological interactions in human modified landscapes : Landscape dependent remedies for the maintenance of biodiversity and ecosystem services

    University dissertation from Lund University, Faculty of Science, Centre for Environmental and Climate research (CEC) & Department of Biology

    Author : Arvid Bolin; Lunds universitet.; Lund University.; Lunds universitet.; Lund University.; [2017]
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Central place foraging; Agriculture; Competition; Ecosystem service; Species coexistence; bumble bees; landscape ecology; Biodiversity; Agri-environment scheme; Central place foraging; jordbruk; konkurrens; landskaps ekologi; humlor; bin;

    Abstract : Mycket har skett i jordbruket det senaste århundradet. Vi har rört oss från ett småbondesamhälle till ett mekaniserat, industrialiserat och kapitaliserat jordbrukssamhälle med en global marknad. READ MORE

  2. 2. Effects of created habitats on farmland biodiversity

    University dissertation from Department of Biology, Lund University

    Author : Annelie Jönsson; Lunds universitet.; Lund University.; [2015]
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; agricultural intensification; brown hare; common pheasant; farming intensity; granivorous passerines; grey partridge; habitat creation; landscape heterogeneity; pollinators;

    Abstract : Popular Abstract in Swedish Stora förändringar har skett i jordbrukslandskapet under det senaste drygt halva århundradet. Ett allt intensivare jordbruk med krav på större skördar för att möta en allt större efterfrågan på livsmedel har satt sina spår. READ MORE

  3. 3. Plant community assembly and biodiversity: a spatio-temporal perspective

    University dissertation from Department of Earth and Ecosystem Sciences, Lund University

    Author : Oliver Purschke; Lunds universitet.; Lund University.; Lunds universitet.; Lund University.; [2011]
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; phylogenetic diversity; null model; life-history traits; land use history; landscape fragmentation; dispersal; functional diversity; semi-natural grasslands;

    Abstract : Biodiversity, the variety of life at all organisational levels from genes to ecosystems, affects ecosystem processes and therefore the goods and services ecosystems provide. More research is needed to provide new insights into biodiversity changes and the processes that drive these changes, in order to formulate effective policy and conservation measures to stop the ongoing biodiversity loss. READ MORE

  4. 4. Charting biodiversity Scuttle flies and other poorly known insects in Sweden

    University dissertation from Stockholm : Department of Zoology, Stockholm University

    Author : Sibylle Häggqvist; Stockholms universitet.; [2016]
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Systematic Zoology; zoologisk systematik och evolutionsforskning;

    Abstract : Biodiversity has fascinated people in all times. We as a species are part of the global ecosystem and our survival depends on many other species around us. Charting biodiversity, however, has proven more difficult than one could imagine. READ MORE

  5. 5. Biodiversity in Agricultural Landscapes: Landscape and Scale-Dependent Effects of Organic Farming

    University dissertation from Department of Ecology, Lund University

    Author : Maj Rundlöf; Lunds universitet.; Lund University.; [2007]
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Djurekologi; Natural science; Naturvetenskap; Ekologi; Animal ecology; plants; spatial scales; species richness; Ecology; landscape ecology; agri-environment schemes; farming practice; conservation; butterflies; bumble bees;

    Abstract : Popular Abstract in Swedish Brukandet av jordbrukslandskapet har förändrats dramatisk under det senaste århundradet. Det tidigare mosaikartade landskapet, med en blandning av små åkrar, ängar, hagar och våtmarker, har idag i många områden ersatts av ett likformigt landskap som domineras av vidsträckta åkrar. READ MORE