Essays about: "Bombus spp."

Showing result 1 - 5 of 11 essays containing the words Bombus spp..

  1. 1. The importance of forest forage resources and a landscape perspective, managing bumblebees (Bombus) in Swedish forest-farmland

    University essay from Stockholms universitet/Institutionen för naturgeografi och kvartärgeologi (INK)

    Author : Linda Dimrå; [2022]
    Keywords : Bombus; Forest; Vaccinium Myrtillus; Landcover change;

    Abstract : The Swedish forest has been transformed during the last hundred years, from semi-open forest of multiple tree species to dense production forest of mainly spruce and pine. This has led to alterations of species composition in the forest floor, reducing coverage of dwarf shrubs like Vaccinium myrtillus (European blueberry). READ MORE

  3. 2. The relative effects of season and imported bumblebee colonies on the distribution of ten common pathogens in wild Swedish bumblebees

    University essay from Uppsala universitet/Institutionen för medicinsk cellbiologi

    Author : Félice Bernhammar; [2022]
    Keywords : Pathogen spillover; B.terrestris; Apicystis bombi; Black queen cell virus; pathogen prevalence;

    Abstract : Due to recent declines regarding pollinators, The Swedish Civil Contingencies Agency launched a project investigating possible biological threats towards wild bumblebees. This led to an extensive collection of bumblebees from areas in southern Sweden during the summer of 2018. READ MORE

  4. 3. The fluctuation in prevalence of viral and parasitic bumblebee-pathogens in Sweden during the summer.

    University essay from Uppsala universitet/Forskargrupper (Inst. för kvinnors och barns hälsa)

    Author : Liam Wartel; [2020]
    Keywords : Imported pollinators; wild pollinators; bumblebee; Bee pathogens; Bombus spp;

    Abstract : .... READ MORE

  5. 4. Bumblebee resource dynamics : a review of foraging and nesting in the agricultural landscape

    University essay from SLU/Dept. of Ecology

    Author : Anna Douhan Sundahl; [2020]
    Keywords : bumblebees; bumblebee population dynamics; bumblebee drivers; flower strips; competition with honeybees; foraging; nesting; hibernation;

    Abstract : 90 % of all plants on earth either benefits or entirely depends on pollination. There are pollinators among families of bees (Apidea), butterflies (Lepidoptera) and birds (Aves). Bees of genus Bombus spp., bumblebees, are especially important and provide pollination service for 80 % of the crops of Europe and many wild plant species. READ MORE

  6. 5. The impact of managed honeybees and commercial reared bumblebees on pathogens in wild bees

    University essay from SLU/Dept. of Ecology

    Author : Sofie Tinggren; [2020]
    Keywords : honey bee; bumblebee; diseases; commercial bees; bee intensity;

    Abstract : Bees are important beneficial insects due to their ability to pollinate our crops and vegetables, as well as being critically important for maintaining wild floral biodiversity. Bees are important from both an economic perspective and an environmental perspective, which highlights the importance of having healthy and sustainable bee populations. READ MORE