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Land uplift creates important meadow habitat and a potential original niche for grassland species
Stockholms universitet, Naturvetenskapliga fakulteten, Institutionen för naturgeografi. Swedish University of Agricultural Sciences, Sweden; University of York, UK.
Stockholms universitet, Naturvetenskapliga fakulteten, Institutionen för naturgeografi.ORCID-id: 0000-0003-2656-2645
Antal upphovsmän: 22018 (Engelska)Ingår i: Proceedings of the Royal Society of London. Biological Sciences, ISSN 0962-8452, E-ISSN 1471-2954, Vol. 285, nr 1876, artikel-id 20172349Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

Semi-natural grasslands have been severely affected by agricultural land-use change. However, the isostatic land adjustment following deglaciation in the Northern Hemisphere means that new land is continually being created in coastal areas. We modelled isostatic adjustment during the last 4000 years in a region of the Baltic coast to estimate the emergence of potential grassland habitat. We also compared the alpha and beta diversity of existing managed and abandoned coastal meadows, and assessed their contribution to biodiversity at landscape scales. We estimated that half the 7866 km(2) of emerging land had the potential to become coastal meadow habitat, which is an order of magnitude larger than the total area of all valuable semi-natural grassland in the study region today. The small area of managed coastal habitat remaining was found to have a disproportionate influence on the richness of threatened species at landscape scales, but our results also show that continued management is essential for the maintenance of grassland biodiversity. Our combination of approaches identifies uplifted coastal meadows as an additional original niche for grassland plant species, while highlighting that low-intensity disturbance through grassland management is essential for the maintenance of diversity at multiple scales.

Ort, förlag, år, upplaga, sidor
2018. Vol. 285, nr 1876, artikel-id 20172349
Nyckelord [en]
Baltic sea, biodiversity, coastal ecosystems, grazing, isostatic rebound, shore meadow
Nationell ämneskategori
Biologiska vetenskaper
Identifikatorer
URN: urn:nbn:se:su:diva-156736DOI: 10.1098/rspb.2017.2349ISI: 000430866500001PubMedID: 29643206OAI: oai:DiVA.org:su-156736DiVA, id: diva2:1219866
Tillgänglig från: 2018-06-18 Skapad: 2018-06-18 Senast uppdaterad: 2020-02-20Bibliografiskt granskad

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Auffret, Alistair G.Cousins, Sara A. O.
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Institutionen för naturgeografi
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Proceedings of the Royal Society of London. Biological Sciences
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