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Pollen diversity matters: revealing the neglected effect of pollen diversity on fitness in fragmented landscapes
Uppsala University, Disciplinary Domain of Science and Technology, Biology, Department of Ecology and Genetics, Plant Ecology and Evolution.
Uppsala University, Disciplinary Domain of Science and Technology, Biology, Department of Ecology and Genetics, Limnology.
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2012 (English)In: Molecular Ecology, ISSN 0962-1083, E-ISSN 1365-294X, Vol. 21, no 24, 5955-5968 p.Article in journal (Refereed) Published
Abstract [en]

Few studies have documented the impacts of habitat fragmentation on plant mating patterns together with fitness. Yet, these processes require urgent attention to better understand the impact of contemporary landscape change on biodiversity and for guiding native plant genetic resource management. We examined these relationships using the predominantly insect-pollinated Eucalyptus socialis. Progeny were collected from trees located in three increasingly disturbed landscapes in southern Australia and were planted out in common garden experiments. We show that individual mating patterns were increasingly impacted by lower conspecific density caused by habitat fragmentation. We determined that reduced pollen diversity probably has effects over and above those of inbreeding on progeny fitness. This provides an alternative mechanistic explanation for the indirect density dependence often inferred between conspecific density and offspring fitness.

Place, publisher, year, edition, pages
2012. Vol. 21, no 24, 5955-5968 p.
National Category
Ecology Botany Evolutionary Biology
Research subject
Conservation Biology
URN: urn:nbn:se:uu:diva-183026DOI: 10.1111/mec.12056ISI: 000312147300006OAI: oai:DiVA.org:uu-183026DiVA: diva2:561712
Available from: 2012-10-22 Created: 2012-10-21 Last updated: 2013-01-09Bibliographically approved

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Publisher's full texthttp://onlinelibrary.wiley.com/doi/10.1111/mec.12056/abstract

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