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Orbital- and sub-orbital-scale climate impacts on vegetation of the western Mediterranean basin over the last 48,000 yr
Open accessAbstract
High-resolution pollen analysis of Alborán Sea core MD95-2043 provides a 48-ka continuous vegetation record that can be directly correlated with sea surface and deep-water changes. The reliability of this record is supported by comparison with that of Padul (Sierra Nevada, Spain). Marine Isotope Stage (MIS) 3 was characterised by fluctuations in Quercus forest cover in response to Dansgaard-Oeschger climate variability. MIS 2 was characterised by the dominance of semi-desert vegetation. Despite overall dry and cold conditions during MIS 2, Heinrich events (HEs) 2 and 1 were distinguished from the last glacial maximum by more intensely arid conditions. Taxon-specific vegetation responses to a tripartite climatic structure within the HEs are observed. In MIS 1, the Bölling-Allerød was marked by rapid afforestation, while a re-expansion of semi-desert environments occurred during the Younger Dryas. The maximum development of mixed Quercus forest occurred between 11.7 and 5.4 cal ka BP, with forest decline since 5.4 cal ka BP. On orbital timescales, a long-term expansion of semi-desert vegetation from MIS 3 into MIS 2 reflects global ice-volume trends, while Holocene arboreal decline reflects summer insolation decrease. The influence of precession on the amplitude of forest development and vegetation composition is also detected.
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“This humid phase aligns with the warmer and moister climate of the Holocene compared to the preceding Pleistocene, a period characterised by the expansion of deciduous forests across Mediterranean regions (Camuera etal.,2019; Fletcher & Goñi,2008; Magny etal.,2002; Marcott etal.,2013), a pattern also recorded in the Salinas Lake sedimentary sequence (Figure6).”
From Microbial mediation and climatic control on dolomite precipitation in a hypersaline lake: Insights from Salinas Lake, southern Iberia (2026) · cites this paper as Fletcher & Goñi, 2008
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Metadata
- Authors
- Fletcher, W. J., & Sánchez Goñi, M. F.
- Affiliations
- Centre National de la Recherche Scientifique (FR)
- Corresponding author
- Fletcher, William J.
- ORCID
- Fletcher, William J.
- Venue
- Quaternary Research
- Publisher
- Cambridge University Press (CUP)
- Published
- 2008-11
- Volume
- 70
- Issue
- 3
- Pages
- 451-464
- ISSN
- 0033-5894 (ISSN-L)
- 1096-0287
- OpenAlex
- W1967188805
- Cited by
- 399
- References
- 73
- Citations by year
- 2026: 18 · 2025: 21 · 2024: 15 · 2023: 24 · 2022: 34 · 2021: 38 · 2020: 28 · 2019: 21 · 2018: 21 · 2017: 21 · 2016: 25 · 2015: 19 · 2014: 25 · 2013: 23 · 2012: 18
- FWCI
- 10.13
- Type
- journal article
- Language
- en
- Open access
- bronze
- doi.org
- Locations
- Quaternary Research (publishedVersion)
- reroDoc Digital Library (submittedVersion)
- Institutional Archive of Ifremer (French Research Institute for Exploitation of the Sea) (submittedVersion)
- Research Explorer (The University of Manchester) (submittedVersion)
- Funders
- Centre National de la Recherche Scientifique
- Institut Polaire Français Paul Emile Victor
- Natural Environment Research Council (NE/E007600/1)
- Topics
- Physical Sciences › Earth and Planetary Sciences › Atmospheric Science › Geology and Paleoclimatology Research
- Physical Sciences › Earth and Planetary Sciences › Oceanography › Marine and environmental studies
- Life Sciences › Agricultural and Biological Sciences › Soil Science › Soil and Environmental Studies
- Keywords
- vegetation history, Western Mediterranean, Alboran Sea, pollen record, Marine Isotope Stage 3, Marine Isotope Stage 2, Heinrich events, Dansgaard-Oeschger events, Quercus forest, Bølling-Allerød, Younger Dryas, Last Glacial Maximum, Holocene, orbital forcing, summer insolation, precession, afforestation, sea surface temperature, ice volume
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