Sökning: "semi-natural grasslands"

Visar resultat 1 - 5 av 34 avhandlingar innehållade orden semi-natural grasslands.

1. 1. Restoration of semi-natural grasslands : Impacts on biodiversity, ecosystem services and stakeholder perceptions

   Författare :Emelie Waldén; Regina Lindborg; Sara A O Cousins; Erik Öckinger; Aveliina Helm; Stockholms universitet; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; LANTBRUKSVETENSKAPER; AGRICULTURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; Biodiversity; Ecosystem services; Farmer; Landscape ecology; Plant; Policy; Restoration; Semi-natural grassland; Biologisk mångfald; Ekosystemtjänster; Landskapsekologi; Lantbrukare; Naturbetesmark; Policy; Restaurering; Växter; Äng; Physical Geography; naturgeografi;

   Sammanfattning : Humans play a major role shaping the living conditions for not only ourselves, but also all other species on Earth. In fact, some species-rich habitat types require human management to uphold the biodiversity and related ecosystem services. LÄS MER

3. 2. Conservation of semi-natural grasslands : Effects of different management methods on biodiversity

   Författare :Malin Tälle; Lars Westerberg; Per Milberg; Uno Wennergren; Hans Henrik Bruun; Linköpings universitet; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES;

   Sammanfattning : Species-rich semi-natural grassland are valuable habitats in the agricultural landscape as they may contain a high diversity of both plant and animal species, as well as provide essential ecosystem services like pollination. To keep these habitats open and to maintain the biodiversity in them, management like grazing or mowing is necessary. LÄS MER

4. 3. Biological diversity values in semi-natural grasslands : indicators, landscape context and restoration

   Författare :Mathias Öster; Ove Eriksson; Martin Zobel; Stockholms universitet; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Biodiversity; connectivity; Hygrocybe; indicators; landscape history; plants; pollen limitation; species-area effects; surrogate species; Biology; Biologi;

   Sammanfattning : Semi-natural grasslands, which are a declining and fragmented habitat in Europe, contain a high biodiversity, and are therefore of interest to conservation. This thesis examines how plant diversity is influenced by the landscape context, and how plant and fungal diversity can be targeted by practical conservation using indicator species and congruence between species groups. LÄS MER

5. 4. Plant species richness and community assembly in Swedish semi-natural grasslands

   Författare :Daniel Franzén; Stockholms universitet; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; biodiversity; grasslands; species; plant ecology; botany; Sweden; Växtsamhällen; betesmarker; Biologisk mångfald; botanik;

   Sammanfattning : .... LÄS MER

7. 5. Land Use Change in Space and Time : implications for plant species conservation in semi-natural grasslands

   Författare :Regina Lindborg; Ove Eriksson; Johan Ehrlén; Thomas Elmqvist; Markus Fischer; Stockholms universitet; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; diversity; management; restoration; landscape; history; Population viability analysis; seed-sowing; Primula farinosa; Campanula rotundifolia; grazing; fragmentation; extinction risk; Biology; Biologi;

   Sammanfattning : Land use change has during the last century altered the traditional rural landscape in Sweden, resulting in a major decline in species diversity. Traditional small-scale farming, with a remarkably high small-scale species richness, has changed in favour of rationalized agriculture, and many semi-natural grasslands, i.e. LÄS MER