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Between-year changes in community composition shape species' roles in an Arctic plant-pollinator network
Linköping University, Department of Physics, Chemistry and Biology, Theoretical Biology. Linköping University, Faculty of Science & Engineering. Univ Canterbury, New Zealand.
Swedish Univ Agr Sci, Sweden; Univ Helsinki, Finland.
Aarhus Univ, Denmark.
Aarhus Univ, Denmark.
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2018 (English)In: Oikos, ISSN 0030-1299, E-ISSN 1600-0706, Vol. 127, no 8, p. 1163-1176Article in journal (Refereed) Published
Abstract [en]

Inter-annual turnover in community composition can affect the richness and functioning of ecological communities. If incoming and outgoing species do not interact with the same partners, ecological functions such as pollination may be disrupted. Here, we explore the extent to which turnover affects species' roles - as defined based on their participation in different motifs positions - in a series of temporally replicated plant-pollinator networks from high-Arctic Zackenberg, Greenland. We observed substantial turnover in the plant and pollinator assemblages, combined with significant variation in species' roles between networks. Variation in the roles of plants and pollinators tended to increase with the amount of community turnover, although a negative interaction between turnover in the plant and pollinator assemblages complicated this trend for the roles of pollinators. This suggests that increasing turnover in the future will result in changes to the roles of plants and likely those of pollinators. These changing roles may in turn affect the functioning or stability of this pollination network.

Place, publisher, year, edition, pages
WILEY , 2018. Vol. 127, no 8, p. 1163-1176
Keywords [en]
pollination; network structure; inter-annual variation; intra-annual variation; turnover
National Category
Botany
Identifiers
URN: urn:nbn:se:liu:diva-150219DOI: 10.1111/oik.05074ISI: 000440305800010OAI: oai:DiVA.org:liu-150219DiVA, id: diva2:1240752
Note

Funding Agencies|Natural Sciences and Engineering Research Council of Canada; European Community; Academy of Finland [1276909, 1285803]; Ella and Georg Ehrnrooth Foundation; Carlsberg Foundation; Danish Research Council; Marsden Fund grant [UOC-1101]; Rutherford Discovery Fellowship

Available from: 2018-08-22 Created: 2018-08-22 Last updated: 2018-09-19

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Citation style
  • apa
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