Vegetation community changes in European woodlands amid a changing climate: a palaeoecological modelling perspective

Webb, Julia C ORCID: 0000-0002-1652-965X and Goodenough, Anne E ORCID: 0000-0002-7662-6670 (2021) Vegetation community changes in European woodlands amid a changing climate: a palaeoecological modelling perspective. Community Ecology. doi:10.1007/s42974-021-00057-4 (In Press)

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Abstract

Climate has an important role in shaping the composition and structure of woodlands. There is considerable uncertainty regarding how woodlands will respond to climate change over the next hundred years. To better understand likely responses to contemporary climate change, this paper analyses taxonomic richness, evenness and community similarity in palaeoeco-logical data from 31 European woodlands during an abrupt cooling and warming event c. 8200years ago. Repeated measures ANOVAs demonstrated there was no significant overall difference in richness or community evenness over time. A single significant pairwise contrast was found (richness decreased as climate warmed) but was short-lived, indicating that high-level effects were temporary. However, analysis of species turnover measured using community similarity revealed substantial changes (only 24% of species remained at some sites after climatic change), indicating that the actual species within that community had altered. General(ised) linear models showed variation in the direction and magnitude of community change was not related to the broadscale biogeographical variables of latitude, longitude or altitude. Our research has several impor-tant implications for practitioners involved in community ecology research and woodland management. Although site-level richness is largely unaffected, we caution that there will be considerable species turnover in woodlands as the climate warms. As species turnover at individual sites will have a negligible effect if driven by localised random processes, we recommend practitioners to consider long-term gamma diversity wherever possible. This shifts focus towards landscape-scale approaches that span generations rather than the typical 3–5-year span of funding, management plans and political cycles.

Item Type: Article
Article Type: Article
Uncontrolled Keywords: 8.2ka event; Climate change; Ecological stability; Community similarity; Diversity; Species turnover
Related records:
Subjects: Q Science > QK Botany
Divisions: Schools and Research Institutes > School of Natural & Social Sciences > Environmental Sciences
Research Priority Areas: Place, Environment and Community
Depositing User: Rhiannon Goodland
Date Deposited: 24 Sep 2021 09:29
Last Modified: 24 Sep 2021 09:29
URI: http://eprints.glos.ac.uk/id/eprint/10185

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