caa a22 4500 605527385 CHVBK 20210128100808.0 cr unu---uuuuu 210128e20151201xx s 000 0 eng 10.1007/s10531-015-1008-3 doi (NATIONALLICENCE)springer-10.1007/s10531-015-1008-3 Bumble bees show trait-dependent vulnerability to landscape simplification [Elektronische Daten] [Anna Persson, Maj Rundlöf, Yann Clough, Henrik Smith] Agricultural intensification has resulted in large-scale loss of bee pollinators, but while some species have been negatively affected others seem to endure changed conditions. It has been suggested that certain morphological, ecological and life-history traits make some species more vulnerable to landscape changes. Information on which traits make species vulnerable and why may aid conservation of declining species. We performed a comprehensive analysis of how multiple traits related to diet breadth, movement and nesting habits moderate vulnerability of bumble bees to landscape simplification. We surveyed bumble bees in flower-rich non-crop habitats in either complex landscapes (with small crop fields bordered by non-crop habitats), or simple landscapes (with larger fields and therefore less non-crop habitats). We analysed if landscape type interacted with colony size, queen emergence date, colony life-cycle length, nesting habitat, thorax width, proboscis length or variability in thorax and proboscis, to explain bumble bee abundances. Workers and males of species with above-ground nests, small sized colonies and long colony cycle were relatively less abundant in simple compared to in complex landscapes. Simple landscapes hosted fewer males of late emerging species and species with highly variable proboscis length. This suggests that both nesting habitat and spatio-temporal availability of food resources act as ecological filters for bumble bees. Colony size correlated with nesting habitat and queen emergence when correcting for phylogenetic correlations, suggesting that landscape simplification acts through effects on combinations of traits. Our results have consequences for conservation by suggesting that declining bumble bee species can be supported by providing adequate nesting habitats and preferred plant species throughout the season and within short distance from nesting habitats, to allow utilisation also by species having colonies with few workers. Springer Science+Business Media Dordrecht, 2015 Bombus nationallicence Intra-specific variation nationallicence Life-history traits nationallicence Nesting habitat nationallicence Phenology nationallicence Phylogeny nationallicence Persson Anna Department of Biology, Lund University, 223 62, Lund, Sweden aut Rundlöf Maj Department of Biology, Lund University, 223 62, Lund, Sweden aut Clough Yann Centre of Environmental and Climate Research, Lund University, 223 62, Lund, Sweden aut Smith Henrik Department of Biology, Lund University, 223 62, Lund, Sweden aut Biodiversity and Conservation Springer Netherlands 24/14(2015-12-01), 3469-3489 0960-3115 24:14<3469 2015 24 10531 https://doi.org/10.1007/s10531-015-1008-3 text/html Onlinezugriff via DOI BK010053 XK010053 XK010000 Metadata rights reserved Springer special CC-BY-NC licence nationallicence 1 research-article jats NATIONALLICENCE NATIONALLICENCE NL-springer NATIONALLICENCE 856 40 https://doi.org/10.1007/s10531-015-1008-3 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Persson Anna Department of Biology, Lund University, 223 62, Lund, Sweden aut NATIONALLICENCE 700 1- Rundlöf Maj Department of Biology, Lund University, 223 62, Lund, Sweden aut NATIONALLICENCE 700 1- Clough Yann Centre of Environmental and Climate Research, Lund University, 223 62, Lund, Sweden aut NATIONALLICENCE 700 1- Smith Henrik Department of Biology, Lund University, 223 62, Lund, Sweden aut NATIONALLICENCE 773 0- Biodiversity and Conservation Springer Netherlands 24/14(2015-12-01), 3469-3489 0960-3115 24:14<3469 2015 24 10531