Essays about: "pollen"

Showing result 11 - 15 of 145 essays containing the word pollen.

  1. 11. Höstraps + frostkänsliga baljväxter = sant? : en undersökning av samodlingseffekter på förekomsten av skadeinsekter

    University essay from SLU/Dept. of Plant Protection Biology

    Author : Madeléne Strandberg; [2023]
    Keywords : Brassica napus; samodling; Vicia faba; Trifolium alexandrinum; Brassicogethes aeneus; Ceutorhynchus obstrictus; Ceutorhynchus pallidactylus; Dasineura brassicae; parasitering;

    Abstract : Raps, Brassica napus, är en vanlig gröda som odlas främst som oljeväxt. Grödan har ett stort behov av kväve för fullgod tillväxt. READ MORE

  3. 12. Holocene vegetation change and its correlates in fennoscandia

    University essay from Göteborgs universitet / Institutionen för biologi och miljövetenskap

    Author : Raphaela Infanger; [2022-10-21]
    Keywords : Fennoscandia; Holocene; human impact; climate impact; vegetation change; fossil pollen;

    Abstract : Climatic and anthropogenic legacy has differently impacted vegetation and its community composition. To determine the extent and origin of changes across Fennoscandia, representative regions were defined that entailed sufficient spatial and temporal data. READ MORE

  4. 13. INDIVIDUAL TRAIT MATCHING OF BUMBLEBEES (BOMBUS) AND FLOWERS ALONG AN ENVIRONMENTAL GRADIENT

    University essay from Umeå universitet/Institutionen för ekologi, miljö och geovetenskap

    Author : Johan Per Michael Svedin; [2022]
    Keywords : Arctic climate change; Bombus; Flower morphology; Plant-pollinator trait-matching;

    Abstract : Insect pollinators serve a critical role in maintaining plant biodiversity and are especially susceptible to changes within their environment. To study the possible effects of seasonal variation in temperature, as well as climatic temperature increase on the plant-pollinator community, the relationship between bumblebee and flowering plant traits along an elevational gradient, representing warming-induced changes in plant community, were examined. READ MORE

  5. 14. Mapping edge vegetation in connection to beech forest to locate potential habitats for red-listed beetles in Scania, Sweden

    University essay from Lunds universitet/Institutionen för naturgeografi och ekosystemvetenskap

    Author : Lovisa Rosenquist Ohlsson; [2022]
    Keywords : forest; temperate broadleaved forest; beech; biodiversity; edge vegetation; southern Sweden; Scania; beetles; Natura 2000; Fagus sylvatica; Stictoleptura scutellata; Ischnomera sanguinicollis; Earth and Environmental Sciences;

    Abstract : The number of species classified as red-listed has increased by 11% between 2015 and 2020, with beetles and butterflies being especially affected. Among these are the vulnerable longhorned beetle (Stictoleptura scutellata) and the endangered false blister beetle (Ischnomera sanguinicollis). READ MORE

  6. 15. Naturban : naturinspirerad gestaltning av en park längs Fyrisån i Uppsala

    University essay from SLU/Dept. of Urban and Rural Development

    Author : Sara Lovisin; Josefin Vidén; [2022]
    Keywords : naturbaserade lösningar; mångfunktionell yta; resiliens; urbanekologi;

    Abstract : Städer ligger ofta i områden med en naturligt hög biologisk mångfald. De globala klimatförändringarna innebär en ökad förekomst av extremväder vilket tillsammans med storskaliga monokulturella landskap utgör ett hot mot den biologiska mångfalden. READ MORE