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New Multicentury Evidence for Dispersal Limitation during Primary Succession
Ansvarlig organisasjon
2016 (engelsk)Inngår i: American Naturalist, ISSN 0003-0147, E-ISSN 1537-5323, Vol. 187, nr 6, s. 804-811Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

AbstractPrimary succession is limited by both ecosystem development and plant dispersal, but the extent to which dispersal constrains succession over the long-term is unknown. We compared primary succession along two co-occurring arctic chronosequences with contrasting spatial scales: sorted circles that span a few meters and may have few dispersal constraints and glacial forelands that span several kilometers and may have greater dispersal constraints. Dispersal constraints slowed primary succession by centuries: plots were dominated by cryptogams after 20 years on circles but after 270 years on forelands; plots supported deciduous plants after 100 years on circles but after >400 years on forelands. Our study provides century-scale evidence suggesting that dispersal limitations constrain the rate of primary succession in glacial forelands.

sted, utgiver, år, opplag, sider
2016. Vol. 187, nr 6, s. 804-811
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URN: urn:nbn:se:polar:diva-3500DOI: 10.1086/686199OAI: oai:DiVA.org:polar-3500DiVA, id: diva2:1083286
Konferanse
2017/03/20
Tilgjengelig fra: 2017-03-20 Laget: 2017-03-20 Sist oppdatert: 2017-11-29

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