Grinnelian and Eltonian niche conservatism of the european honeybee (Apis mellifera) in its exotic distribution
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2020-06
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The understanding of how niche-related traits change during species invasion
has prompted what is now known as the niche conservatism principle. Niche
conservatism predicts that species are prone to not change during invasion of
new areas and most studies that have tested the niche conservatism principle
have focused on the extent to which the species’ climatic niches remain
stable in their exotic distribution. However, it is equally important to address
how biotic specialization, i.e. resource use, changes during exotic species
invasions. Here, we use the widespread European honeybee (Apis mellifera)
to understand whether its Grinnelian and Eltonian niches changed in its exotic
distribution using tests of abiotic and biotic niche conservatism. We found
that both niche domains of the European honeybee remained stable in its
exotic distribution, which means that neither the climatic niche nor the biotic
specialization showed significant differences between the native andthe exotic
ranges. Our findings that climatic and resource use are coupled can be explained
by A. mellifera’s long history of domestication and the possibility that life
history traits (e.g., polyandry) may have shaped this species’ large niche over
the course of evolution and therefore facilitated exotic ranges colonization.
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Apis mellifera, Resource use, Invasive species, Climatic niche, Niche breadth, Niche overlap
Citação
MEDINA, A. M.; ALMEIDA NETO, M. Grinnelian and Eltonian niche conservatism of the european honeybee (Apis mellifera) in its exotic distribution. Sociobiology, Feira de Santana, v. 67, n. 2, p. 239-246, June 2020. DOI: 10.13102/sociobiology.v67i2.4901. Disponível em: http://periodicos.uefs.br/index.php/sociobiology/article/view/4901. Acesso em: 2 jan. 2023.