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Assembly of plant communities in grasslands: an overview
Stockholm University, Faculty of Science, Department of Botany.
2009 (English)Book (Other academic)
Abstract [en]

How plants are arranged into communities is one of the central questions in plant ecology. One view holds that plant assembly is governed by deterministic factors, like assembly rules, while another holds that it is mostly stochastic, only constrained by the ability of plants to disperse and survive under the current environmental conditions. Here, I summarize studies on grassland community assembly, and try to find general patterns and rules. Of the 40 reviewed studies, evidence of deterministic assembly was found in 15, while evidence for stochastic assembly was found in nine. Evidence for both factors together was found in the remaining 16 studies. The studies varied in their use of methods, measured variables and scale, making them hard to compare. Even within a single study, results were dependent on the factors mentioned above.

Plant community assembly of grasslands is a complex process, affected by assembly rules, environmental filtering and stochastic factors (e.g. dispersal limitation and priority effects) and which factor has the most influence seems to be site specific. More detailed and coordinated research is needed to determine what controls community assembly in grasslands.

Place, publisher, year, edition, pages
Stockholm: Plant Ecology, Department of Botany, Stockholm University , 2009. no 8, 28 p.
Plants & Ecology, ISSN 1651-9248 ; 2009:8
National Category
Research subject
Plant Ecology
URN: urn:nbn:se:su:diva-36250OAI: diva2:289075
Available from: 2010-01-22 Created: 2010-01-22 Last updated: 2010-11-18Bibliographically approved

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Marteinsdottir, Bryndis
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