Essays about: "pollinators"

Showing result 16 - 20 of 128 essays containing the word pollinators.

  1. 16. Competition between managed honeybees and wild bumblebees - Quantifying dietary overlap in semi-natural grasslands

    University essay from Lunds universitet/Centrum för miljö- och klimatvetenskap (CEC)

    Author : Emma Rosberg; [2023]
    Keywords : Earth and Environmental Sciences;

    Abstract : The decline of bees, such as bumblebees, over the last decades raises concerns as they are key pollinators in both agricultural and natural ecosystems. One proposed cause for the decline of wild bees is competition for food resources with managed honeybees. READ MORE

  3. 17. Jämförelse av patogenprevalens hos vilda humlor på olika avstånd från honungsbisamhällen : och skillnader i patogenförekomst mellan olika arter av kommersiella pollinerare

    University essay from SLU/Dept. of Ecology

    Author : Julia Carlsson; [2023]
    Keywords : Apis mellifera; Bombus terrestris; vilda pollinerare; patogenprevalens;

    Abstract : Idag minskar den inhemska populationen av pollinerare till följd av klimatförändringar och urbanisering. För att bibehålla den livsviktiga pollineringen används bland annat samhällen av honungsbin (Apis mellifera), vilket antas kunna påverka de vilda humlorna negativt genom exempelvis konkurrens om resurser och patogenspridning. READ MORE

  4. 18. Drivers of flower size evolution in the selfing species Arabidopsis thaliana

    University essay from Uppsala universitet/Institutionen för biologisk grundutbildning

    Author : Clàudia Fernández Mestre; [2023]
    Keywords : Arabidopsis thaliana; petal size; fitness; selection; evolutionary drivers; GWAS;

    Abstract : The influence of pollinators on the evolution of flower morphology has been extensively explored. Yet, the effect of other ecological factors, such as genetic drift, environmental filtering, and allometric constraints, gained less attention. In this study, we addressed the importance of those drivers in a predominantly selfing species. READ MORE

  5. 19. Seasonal shift in the intestinal microbiota of honey bees, Apis mellifera

    University essay from Högskolan i Skövde/Institutionen för biovetenskap

    Author : Jonathan Meijer; [2023]
    Keywords : ;

    Abstract : Honey bees, Apis mellifera, are important pollinators across the world who provide the crucial function of maintaining the health and wellbeing of natural and agricultural ecosystems. However, in recent years, there has been a documented decline in honey bee populations worldwide. READ MORE

  6. 20. ​Malmö municipality employees’ relation with nature in the context of flowering plants, pollinators and ecosystem services : An investigation of goals and conflicts within municipality work

    University essay from Malmö universitet/Institutionen för Urbana Studier (US)

    Author : Andrea Håkansson; Hanna Takkinen; [2023]
    Keywords : ;

    Abstract : Cities are facing a loss of green areas that are important for reasons such as the support of pollinators. Pollination of flowering plants is a part of the concept of ecosystem services and is beneficial for humans in providing food security and the upkeep of urban ecosystems. READ MORE