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Similarities and differences in the realized niche of two allopatric populations of a solitary bee under environmental variability

Colaborador(es): Vitale, Nydia. CONICET. Instituto Argentino de Investigaciones de las Zonas Áridas. Mendoza, Argentina | Torretta, Juan Pablo. Universidad de Buenos Aires. Facultad de Agronomía. Departamento de Recursos Naturales y Ambiente. Cátedra de Botánica General. Buenos Aires, Argentina. CONICET. Mendoza, Argentina | Durante, Silvana P. Museo de La Plata. División Entomología. La Plata, Buenos Aires, Argentina | Basilio, Alicia Mabel. Universidad de Buenos Aires. Facultad de Agronomía. Departamento de Producción Animal. Cátedra de Avicultura, Cunicultura y Apicultura. Buenos Aires, Argentina | Vázquez, Diego Pedro. CONICET. Instituto Argentino de Investigaciones de las Zonas Áridas. Mendoza, Argentina. Universidad Nacional de Cuyo. Facultad de Ciencias Exactas y Naturales. Mendoza, Argentina.
ISSN: 0044-8435 (impreso); 1297-9678 (en línea).Tipo de material: Artículos y capítulos. Recurso electrónico.Tema(s): | NESTING ECOLOGY | LOCAL BEE-PLANT INTERACTION | SOLITARY BEE | CLIMATE EFFECTS | ALLOPATRIC POPULATIONS NICHE | Recursos en línea: Haga clic para acceso en línea | LINK AL EDITOR En: Apidologie vol.51 (2020), p.439–454, tbls., grafs., fot., mapasResumen: We studied the realized niche of two distant allopatric wool carder bee populations (bee-plant interaction and reproductive biology in weather variability). In one population, we analyzed the direct and indirect effects of weather on bee-resource interactions. The two populations shared several niche characteristics but showed some differences. Anthidium vigintipunctatum is a specialist species, with plasticity to extend the individual niche pushed by resources availability and weather variability. In both regions, the bee’s response toweather condition was similar (nesting rates and the reproductive success). Causal analysis indicated climate directly determines bee’s reproductive success, and indirect resource availability effects are subtle. The immediate response to environmental conditions warms about A. vigintipunctatum sensitivity to expected changes in the regional climate which could be a negative pressure on bees’ survival.
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We studied the realized niche of two distant allopatric wool carder bee populations (bee-plant interaction and reproductive biology in weather variability). In one population, we analyzed the direct and indirect effects of weather on bee-resource interactions. The two populations shared several niche characteristics but showed some differences. Anthidium vigintipunctatum is a specialist species, with plasticity to extend the individual niche pushed by resources availability and weather variability. In both regions, the bee’s response toweather condition was similar (nesting rates and the reproductive success). Causal analysis indicated climate directly determines bee’s reproductive success, and indirect resource availability effects are subtle. The immediate response to environmental conditions warms about A. vigintipunctatum sensitivity to expected changes in the regional climate which could be a negative pressure on bees’ survival.

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