生物
传粉者
授粉
生态学
巢穴(蛋白质结构基序)
比例(比率)
花粉
作者
Natalia Rosas-Ramos,Laura Baños-Picón,Estefanía Tobajas,José Tormos,Josep Daniel Asís
标识
DOI:10.1080/00218839.2017.1282079
摘要
Bees are important pollinators that use resources from both cropped and natural habitats in agroecosystems, and the amount of extant resources have proven to be critical in the adoption of parental investment decisions. Thus, the mixed effects that resource distribution and the organisms’ foraging and dispersal movements have on parental decisions cannot be adequately evaluated without the use of different spatial scales. We assess the effects of the landscape context and the local habitat type on the offspring traits of Osmia caerulescens L. Bees were obtained from standardized trap-nests established in Mediterranean crops. We analyzed the effects that the percentage of semi-natural habitats, the local habitat type, and the nest hole diameter have on offspring weight, the number of emergent progeny and offspring sex ratio. Both landscape and local scale factors affected the offspring traits in significant and interactive ways, and landscape-scale effects varied depending on local factors. Considering our...
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