Negative impacts of dominance on bee communities: does the influence of invasive honey bees differ from native bees?.

Invasive species can reach high abundances and dominate native environments. One of the most impressive examples of ecological invasions is the spread of the African sub-species of the honey bee throughout the Americas, starting from its introduction in a single locality in Brazil. The invasive honey bee is expected to more negatively impact bee community abundance and diversity than native dominant species, but this has not been tested previously. We developed a comprehensive and systematic bee sampling scheme, using a protocol deploying 11,520 pan traps across regions and crops for three years in Brazil. We found that invasive honey bees are now the ingle most dominant bee species. Such dominance has not only negative consequences for abundance and species richness of native bees but also for overall bee abundance (i.e., strong ?numerical? effects of honey bees). Contrary to expectations, honey bees did not have stronger negative impacts than other native bees achieving similar levels of dominance (i.e., lack of negative ?identity? effects of honey bees). These effects were remarkably consistent across crop species, seasons and years, and were independent from land-use effects. Dominance could be a proxy of bee community degradation and more generally of the severity of ecological invasions. Keywords: Apis mellifera, dominance, exotic species, invasion, pollinators.

Bibliographic Details

Main Authors:	GARIBALDI, L. A, PÉREZ-MÉNDEZ, N., CORDEIRO, G. D., HUGHES, A., ORR, M., SANTOS, I. A. dos, FREITAS, B. M., OLIVEIRA, F. F. de, LEBUHN, G., BARTOMEUS, I., AIZEN, M. A., ANDRADE, P. B., BLOCHTEIN, B., BOSCOLO, D., DRUMOND, P. M., GAGLIANONE, M. C., HERREN, B. G., HALINSKI, R., KRUG, C., MAUES, M. M., KIILL, L. H. P., PINHEIRO, M., PIRES, C. S. S., VIANA, B. F.
Other Authors:	LUCAS A. GARIBALDI, Universidad Nacional de Río Negro, Argentina; NÉSTOR PÉREZ-MÉNDEZ, IRTA, Spain; GUARACI D. CORDEIRO, University of Salzburg, Austria; ALICE HUGHES, Center for Integrative Conservation, China; MICHAEL ORR, Institute of Zoology, Chinese Academy of Sciences, China; ISABEL ALVES DOS SANTOS, USP; BRENO M. FREITAS, UFC; FAVÍZIA FREITAS DE OLIVEIRA, UFBA; GRETCHEN LEBUHN, San Francisco State University, USA; IGNASI BARTOMEUS, Estación Biológica de Doñana (EBD-CSIC), Spain; MARCELO A. AIZEN, Universidad Nacional del Comahue-CONICET, Argentina; PATRICIA B. ANDRADE, UFC; BETINA BLOCHTEIN, PUCRS; DANILO BOSCOLO, USP; PATRICIA MARIA DRUMOND, CPAMN; MARIA CRISTINA GAGLIANONE, UENF; BARBARA GEMMILL HERREN, World Agroforestry Centre, Kenya; ROSANA HALINSKI, PUCRS; CRISTIANE KRUG, CPAA; MARCIA MOTTA MAUES, CPATU; LUCIA HELENA PIEDADE KIILL, CPATSA; MARDIORE PINHEIRO, UFFS; CARMEN SILVIA SOARES PIRES, Cenargen; BLANDINA FELIPE VIANA, UFBA.
Format:	Artigo de periódico biblioteca
Language:	Ingles English
Published:	2021-10-14
Subjects:	Comunidade das abelhas, Domínio das abelhas, Dominância, Espécies exóticas, Abelha, Apis Mellifera, Polinização, Pollinators, Dominance (genetics), Ecological invasion, Invasive species,
Online Access:	http://www.alice.cnptia.embrapa.br/alice/handle/doc/1135312
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