Sökning: "unika arter"

Visar resultat 1 - 5 av 40 uppsatser innehållade orden unika arter.

  1. 1. Identification of restoration hotspots in landscape-scale green infrastructure planning based on model-predicted connectivity forest

    Master-uppsats, Lunds universitet/Institutionen för naturgeografi och ekosystemvetenskap

    Författare :Xiaoming Wang; [2023]
    Nyckelord :boreal forest; conservation; restoration; connectivity; green infrastructure; GIS; Sweden; Earth and Environmental Sciences;

    Sammanfattning : Boreal forest landscapes have undergone severe anthropogenic fragmentation and their enormous values concerning, e.g., ecosystem service, biodiversity and culture are hazarded. LÄS MER

  3. 2. Beetle Diversity – Land Sparing or Land Sharing? : the effects of timber extraction and restoration method on saproxylic beetle assemblages in mature managed pine forests

    Kandidat-uppsats, SLU/Dept. of Forest Ecology and Management

    Författare :Ella Amnéus; Sebastian Hjelström; [2023]
    Nyckelord :Saproxylic Beetles; Ecological Restoration; Deadwood; Biodiversity; Boreal Forest; Fire Ecology; Land-sparing; Land-sharing; Conservation Management;

    Sammanfattning : The impoverishment of saproxylic beetle communities is a growing concern for management of boreal forest biodiversity. Past research has found active restoration methods, such as creating deadwood and conducting prescribed burnings, to have a short-term positive effect on the species richness and compositional diversity of saproxylic beetle assemblages. LÄS MER

  4. 3. Tillväxt hos naturvärda ekar i Gunnebo

    Kandidat-uppsats, Göteborgs universitet / Instiutionen för biologi och miljövetenskap

    Författare :Anders Backestedt; [2022-09-08]
    Nyckelord :ek Quercus ; skyddsvärda träd; Gunnebo; tillväxt; kondition; naturvårdsåtgärder; oak Quercus ; trees with extra protective values; growth rate; condition; nature care measures;

    Sammanfattning : Gamla ekar (Quercus sp) har närmare 2000 arter knutna till sig varav ca en tredjedel är rödlistade och några unika till just ek. Detta till följd av ekens speciella barkstruktur, håligheter och förmåga att bilda mulm. LÄS MER

  5. 4. Ekoparkernas inverkan på långhornskalbaggar (Cerambycidae) : artrikedom, abundans och artsamhällen i jämförelse med kommersiellt brukad skogsmark

    Kandidat-uppsats, SLU/Dept. of Forest Ecology and Management

    Författare :Elias Skogqvist; Emil Andersson; [2022]
    Nyckelord :naturvård; aktiv restaurering; död ved; substrat; rödlista; unika arter;

    Sammanfattning : Several dead wood-dependent beetles need substrates which to great extent have been disfavored by intense forestry. Active and continuous restoration in Ecoparks may offer an option with intention to improve the habitation conditions. LÄS MER

  7. 5. Changes in cetacean presence and behavior in response to reduced marine traffic - the effects of a nationwide lockdown

    Kandidat-uppsats, Högskolan i Halmstad

    Författare :Lisa Falk Lindberg; Lindqvist Erika; [2022]
    Nyckelord :;

    Sammanfattning : Creating noise-pollution and other disturbances, marine traffic poses a great threat to marine mammals all over the world which may demonstrate through short- and long-term changes in behavior and distribution. The Covid-19 lockdown in 2020 provided a setting to study the effects of marine traffic on cetacean presence and interactive behavior. LÄS MER