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Importance of pollinators in changing landscapes for world crops
The extent of our reliance on animal pollination for world crop production for human food has not previously been evaluated and the previous estimates for countries or continents have seldom usedExpand
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Economic valuation of the vulnerability of world agriculture confronted with pollinator decline
There is mounting evidence of pollinator decline all over the world and consequences in many agricultural areas could be significant. We assessed these consequences by measuring 1) the contributionExpand
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MEASURING BEE DIVERSITY IN DIFFERENT EUROPEAN HABITATS AND BIOGEOGRAPHICAL REGIONS
Bee pollinators are currently recorded with many different sampling methods. However, the relative performances of these methods have not been systematically evaluated and compared. In response toExpand
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Delivery of crop pollination services is an insufficient argument for wild pollinator conservation
There is compelling evidence that more diverse ecosystems deliver greater benefits to people, and these ecosystem services have become a key argument for biodiversity conservation. However, it isExpand
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Decreasing Abundance, Increasing Diversity and Changing Structure of the Wild Bee Community (Hymenoptera: Anthophila) along an Urbanization Gradient
Background Wild bees are important pollinators that have declined in diversity and abundance during the last decades. Habitat destruction and fragmentation associated with urbanization are reportedExpand
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Contribution of insect pollinators to crop yield and quality varies with agricultural intensification
Background. Up to 75% of crop species benefit at least to some degree from animal pollination for fruit or seed set and yield. However, basic information on the level of pollinator dependence andExpand
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Agricultural Policies Exacerbate Honeybee Pollination Service Supply-Demand Mismatches Across Europe
Declines in insect pollinators across Europe have raised concerns about the supply of pollination services to agriculture. Simultaneously, EU agricultural and biofuel policies have encouragedExpand
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Landscape context and habitat type as drivers of bee diversity in European annual crops
Abstract To better understand the dynamics of bee populations in crops, we assessed the effect of landscape context and habitat type on bee communities in annual entomophilous crops in Europe. WeExpand
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Spatial scale of insect‐mediated pollen dispersal in oilseed rape in an open agricultural landscape
Summary 1. Interest in pollen-borne gene dispersal has grown with the cultivation of genetically modified plants. To date, both experimental data and models of oilseed rape (OSR) Brassica napusExpand
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Pollen morphology and its effect on pollenl collection by honey bees, Apis Mellifera L. (Hymenoptera: Apidae), with special Reference to Upland Cotton, Gossypium Hirsutum L. (Malvaceae)
Abstract Honey bees, Apis mellifera, forage readily on flowers of upland cotton, Gossypium hirsutum, to harvest nectar. The abundant pollen gets caught in the haircoat of the bees, but cotton pollenExpand
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