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Bridging the gap between scientific knowledge and practice: how can we assist organic farmers in sustaining wild bees and pollination on their farms?

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Langer, Vibeke (2014) Bridging the gap between scientific knowledge and practice: how can we assist organic farmers in sustaining wild bees and pollination on their farms? In: Rahmann, G. and Aksoy, U. (Eds.) Building Organic Bridges, Johann Heinrich von Thünen-Institut, Braunschweig, Germany, 1, Thuenen Report, no. 20, pp. 219-222.

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Summary

Wild bees (bumblebees and solitary bees) are two important groups of wild pollinators in temperate zones, delivering pollination services to crops and wild plants. It is well documented that wild bees are declining nationally and regionally in Europe (Biesmeijer et al., 2006) threatening crop pollination estimated to 14 mia. euro/year. Wild bees are dependent on presence of high quality flower resources and on suitable nesting and overwintering sites locally (Strandberg et al., 2011). In the agricultural landscape, availability of these resources depend on land use, i.e. distribution between arable land and uncropped areas, crop distribution and management as well as quantity and quality of permanent grasslands, hedgerows, road verges, etc. Although organic farms have the potential for harboring wild plants with high flower intensity due to absence of herbicides and crop distribution (Henriksen et al., 2013), organic farms in practice vary highly in availability of food and nesting resources temporally and spatially.


EPrint Type:Conference paper, poster, etc.
Type of presentation:Paper
Subjects: Environmental aspects > Biodiversity and ecosystem services
Research affiliation: Denmark > AU - Aarhus University
Denmark > KU - University of Copenhagen
International Conferences > 2014: 18th IFOAM OWC Scientific Track: 4th ISOFAR Scientific Conference
ISBN:978-3-86576-128-6
DOI:10.3220/REP_20_1_2014
Deposited By: Rahmann, Prof. Dr. Gerold
ID Code:24378
Deposited On:03 Nov 2014 11:25
Last Modified:19 Dec 2017 09:21
Document Language:English
Status:Published
Refereed:Peer-reviewed and accepted
Additional Publishing Information:urn:nbn:de:gbv:253-201407-dn053621-1

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