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When and where does dispersal limitation matter in primary succession?
Ansvarig organisation
2019 (Engelska)Ingår i: Journal of Ecology, ISSN 0022-0477, E-ISSN 1365-2745, Vol. 107, nr 2, s. 559-565Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

Primary succession encompasses the earliest and most fundamental stages of community assembly. The relative contributions of plant dispersal and ecosystem development, the main drivers that control the rate of primary succession, remain largely unknown, in spite of their central roles in community organization in general. Understanding the contribution of dispersal is especially critical because it casts light on our ability to manage succession resulting from climate change or anthropogenic disturbance. Here, we review the literature in order to understand when and where dispersal limits primary succession. Studies from many systems (tropical, temperate, boreal, arctic, alpine, floodplain forest, desert, mines, volcanic eruption and glacier forelands) show that dispersal limitation occurs consistently in the early stages of primary succession, suggesting that this is a general pattern. On the other hand, we found strong biases in study sites towards the Northern Hemisphere, temperate regions, volcanic eruptions and glacier forelands, which suggests that there are risks in drawing general conclusions about the importance of dispersal for primary succession for other biomes. Little is known about the contribution of dispersal to the later stages of primary succession. We present a recently developed method, multiscale chronosequence comparison that compares rates of succession in similar systems at relatively small and large spatial scales. Rapid succession at small scales compared to large scales suggests that seed dispersal influences succession over time periods of centuries and also limits the development of ecosystem functions such as vegetation cover and soil carbon accumulation. Synthesis: Dispersal limitation likely matters not only in the early stages but also in the late stages of primary succession by controlling the rate at which new species arrive. Both the accumulation of comparable case studies and novel approaches, such as multiscale chronosequence comparisons and factorial experiments, in contrasting biomes, are necessary to clarify the generality or context dependency of the role of dispersal in future primary successions undergoing changing climate.

Ort, förlag, år, upplaga, sidor
2019. Vol. 107, nr 2, s. 559-565
Nyckelord [en]
arctic, climate change, ecosystem development, glacier forelands, multiscale chronosequence comparison, plant–soil systems, species interactions
Nationell ämneskategori
Naturvetenskap
Identifikatorer
URN: urn:nbn:se:polar:diva-7781DOI: 10.1111/1365-2745.12988OAI: oai:DiVA.org:polar-7781DiVA, id: diva2:1281604
Tillgänglig från: 2019-01-22 Skapad: 2019-01-22 Senast uppdaterad: 2020-02-24Bibliografiskt granskad

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Förlagets fulltexthttps://besjournals.onlinelibrary.wiley.com/doi/abs/10.1111/1365-2745.12988
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