Pollinator-friendly management does not increase the diversity of farmland bees and wasps
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The association of windmills with conservation of pollinating insects and wild plants in homogeneous farmland of western Poland
Loss of suitable seminatural habitats and homogenization of crop types have led to the population decline of pollinating insects in farmland. As these insects support crop production, many practical efforts aim to sustain pollinator diversity which is especially challenging in intensively managed and homogeneous farmland. However, there are ongoing changes of the farmland toward its multifuncti...
متن کاملPollination success following loss of a frequent pollinator: the role of compensatory visitation by other effective pollinators
Pollinator abundance is declining worldwide and may lower the quantity and quality of pollination services to flowering plant populations. Loss of an important pollinator is often assumed to reduce the amount of pollen received by stigmas of a focal species (pollination success), yet this assumption has rarely been tested experimentally. The magnitude of the effect, if any, may depend on the re...
متن کاملThe Influence of Climatic Seasonality on the Diversity of Different Tropical Pollinator Groups
Tropical South America is rich in different groups of pollinators, but the biotic and abiotic factors determining the geographical distribution of their species richness are poorly understood. We analyzed the species richness of three groups of pollinators (bees and wasps, butterflies, hummingbirds) in six tropical forests in the Bolivian lowlands along a gradient of climatic seasonality and pr...
متن کاملUniversity of Sussex the Effect of Agri-environment Schemes on Farmland Bee Populations
Over the past century there have been substantial declines in farmland biodiversity as a result of the intensification of agricultural practice. Concerns over these declines have led to the development of agri-environment schemes designed to mitigate the effects of intensive agriculture and to benefit biodiversity. Prior to commencing this thesis it was not clear if flower-rich, pollinator-focu...
متن کاملHigh Bee and Wasp Diversity in a Heterogeneous Tropical Farming System Compared to Protected Forest
It is a globally important challenge to meet increasing demands for resources and, at the same time, protect biodiversity and ecosystem services. Farming is usually regarded as a major threat to biodiversity due to its expansion into natural areas. We compared biodiversity of bees and wasps between heterogeneous small-scale farming areas and protected forest in northern coastal Belize, Central ...
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تاریخ انتشار 2015