Pollinator communities in strawberry crops - variation at multiple spatial scales.

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Ahrenfeldt, E J (author)

Pollinator communities in strawberry crops - variation at multiple spatial scales.

Article/chapterEnglish2015

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2015

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LIBRIS-ID:oai:lup.lub.lu.se:efdd766d-bce3-4ec7-8072-574a3cc1949f
https://lup.lub.lu.se/record/5340799URI
https://doi.org/10.1017/S000748531500036XDOI

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Language:English
Summary in:English

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Subject category:ref swepub-contenttype

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Predicting potential pollination services of wild bees in crops requires knowledge of their spatial distribution within fields. Field margins can serve as nesting and foraging habitats for wild bees and can be a source of pollinators. Regional differences in pollinator community composition may affect this spill-over of bees. We studied how regional and local differences affect the spatial distribution of wild bee species richness, activity-density and body size in crop fields. We sampled bees both from the field centre and at two different types of semi-natural field margins, grass strips and hedges, in 12 strawberry fields. The fields were distributed over four regions in Northern Europe, representing an almost 1100 km long north-south gradient. Even over this gradient, daytime temperatures during sampling did not differ significantly between regions and did therefore probably not impact bee activity. Bee species richness was higher in field margins compared with field centres independent of field size. However, there was no difference between centre and margin in body-size or activity-density. In contrast, bee activity-density increased towards the southern regions, whereas the mean body size increased towards the north. In conclusion, our study revealed a general pattern across European regions of bee diversity, but not activity-density, declining towards the field interior which suggests that the benefits of functional diversity of pollinators may be difficult to achieve through spill-over effects from margins to crop. We also identified dissimilar regional patterns in bee diversity and activity-density, which should be taken into account in conservation management.

Subject headings and genre

NATURVETENSKAP Geovetenskap och miljövetenskap hsv//swe
NATURAL SCIENCES Earth and Related Environmental Sciences hsv//eng
NATURVETENSKAP Biologi Ekologi hsv//swe
NATURAL SCIENCES Biological Sciences Ecology hsv//eng

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Klatt, BjörnLund University,Lunds universitet,Centrum för miljö- och klimatvetenskap (CEC),Naturvetenskapliga fakulteten,Centre for Environmental and Climate Science (CEC),Faculty of Science(Swepub:lu)cec-bjk (author)
Arildsen, J (author)
Trandem, N (author)
Andersson, GeorgLund University,Lunds universitet,Biodiversitet,Biologiska institutionen,Naturvetenskapliga fakulteten,Biodiversity,Department of Biology,Faculty of Science(Swepub:lu)zooe-gga (author)
Tscharntke, T (author)
Smith, HenrikLund University,Lunds universitet,Biodiversitet,Biologiska institutionen,Naturvetenskapliga fakulteten,Centrum för miljö- och klimatvetenskap (CEC),Biodiversity,Department of Biology,Faculty of Science,Centre for Environmental and Climate Science (CEC)(Swepub:lu)ekol-hsm (author)
Sigsgaard, L (author)
Centrum för miljö- och klimatvetenskap (CEC)Naturvetenskapliga fakulteten (creator_code:org_t)

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In:Bulletin of Entomological Research105:4, s. 497-5061475-2670

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By the author/editor: Ahrenfeldt, E J; Klatt, Björn; Arildsen, J; Trandem, N; Andersson, Georg; Tscharntke, T; show more...; Smith, Henrik; Sigsgaard, L; show less...

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NATURAL SCIENCES: NATURAL SCIENCES; and Earth and Relate ...

NATURAL SCIENCES: NATURAL SCIENCES; and Biological Scien ...; and Ecology

Articles in the publication: Bulletin of Ento ...

By the university: Lund University

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