Essays about: "beetle habitats"

Showing result 1 - 5 of 26 essays containing the words beetle habitats.

  1. 1. Arbete med biologisk mångfald på Kungliga Djurgården : med fokus på rödlistade och invasiva arter

    University essay from SLU/Dept. of Ecology

    Author : Vanda Barkstedt; [2023]
    Keywords : biologisk mångfald; rödlistade arter; invasiva arter; skötselåtgärder; bekämpningsåtgärder; Kungliga Djurgården; Kungliga Djurgårdens förvaltning;

    Abstract : Fler och fler arter hotas av förändrad markanvändning, klimatförändringar, spridning av invasiva arter m.m. För att motverka den negativa utvecklingen har urbana grönområden blivit allt viktigare. READ MORE

  3. 2. Population dynamics of the spruce bark beetle Ips typographus in forest conservation areas and the interaction with biodiversity and natural enemies

    University essay from SLU/Dept. of Ecology

    Author : Evelina Andersson; [2023]
    Keywords : spruce bark beetle; population dynamics; conservation areas; biodiversity; natural enemies; species richness; managed forests; woodland key-habitats; nature reserves;

    Abstract : Biodiversity is rapidly decreasing and in need of more conservation efforts. However, the tree-killing European spruce bark beetle, Ips typographus (L.), has made forest conservation controversial by affecting conservation areas and possibly adjoining managed forests, yet is still a keystone species leaving decaying wood promoting biodiversity. READ MORE

  4. 3. The diversity of moths in a nature reserve in the Northern Cape, South Africa : Variation over time, depending on abiotic factors and differences between areas with different grazing types

    University essay from Linnéuniversitetet/Institutionen för biologi och miljö (BOM)

    Author : Nellie Jarl; [2023]
    Keywords : Moth diversity; grazing effects; land use; biodiversity;

    Abstract : Land use changes globally have significant impacts on flora and fauna. In South Africa, extensive land is used for grazing by both domestic livestock and farmed native grazers. However, the effects of different grazing types on vegetation and fauna remain poorly understood. READ MORE

  5. 4. Quantity and quality of oaks (Quercus) as suitable habitats for the longhorn beetle species Plagionotus detritus : An inventory study in Stockholm and Uppsala County, Sweden

    University essay from Uppsala universitet/Institutionen för biologisk grundutbildning

    Author : Ida Widegren; [2023]
    Keywords : Plagionotus detritus; P. detritus; Cerambycidae; Cerambycinae; longhorn beetle; insects; habitat; oak; Quercus; conservation; ecology; endangered; threatened;

    Abstract : The longhorn beetle Plagionotus detritus is associated with newly dead oak wood and is declining throughout its distribution range. In Sweden, P.detritus has displayed one of the most dramatic reductions in distribution recorded for insect species and is near regional extinction. READ MORE

  6. 5. Effekten av landskapsfaktorer och besprutning på rapsjordloppa i odling av höstraps

    University essay from SLU/Dept. of Plant Protection Biology

    Author : Johanna Kvarnheden; [2023]
    Keywords : Rapsjordloppa; höstraps; Psylliodes chrysocephala; Brassica napus L.; landskapsfaktorer;

    Abstract : Höstraps (Brassica napus L.) är den mest odlade oljeväxten i Skåne, Sverige. Den är en viktig avbrottsgröda i spannmålsdominerande växtföljder för att förhindra jordburna sjukdomar men den lockar även till sig många skadeinsekter. READ MORE