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Assessing resource competition between honeybees and wild bees in the field

Subjects: Global declines in insect biomass, abundance, and species richness, particularly among wild bees, pose significant ecological threats. The proliferation of managed honeybees (Apis mellifera) populations, which have increased by over 85% since 1961, adds further pressure through competition for floral resources. This study gives an overview of current knowledge on nectar competition between honeybees and wild bees in the field and assesses empirical methods to investigate these interactions. Evidence from various studies indicates that honeybees, due to their high population densities and efficient foraging strategies, have negative effects on wild bees. A video monitoring pilot study revealed that increased honeybee presence correlates with reduced visitation of other flower visitors. Though experimental attempts to exclude honeybees via physical barriers were inconclusive, measurements of nectar volume in Echium plantagineum indicated significant nectar depletion following honeybee visits, highlighting the urgency to address this competition. To address gaps in understanding resource dynamics and pollinator behavior, future research should integrate long-term observations, advanced monitoring technologies, and comprehensive assessments of floral resource availability and demand for different spatial scales. This will guide decisions on the density and placement of honeybee colonies and support the conservation of wild bee populations amidst multifactorial environmental pressures.; Text; Thesis

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  • 1-10 of  1,810 results for ""Honeybees""