A high‐resolution record of Holocene climate and vegetation dynamics from the southern Cape coast of South Africa: pollen and microcharcoal evidence from Eilandvlei

ABSTRACT The southern Cape is a particularly dynamic region of South Africa in terms of climate change as it is influenced by both temperate and tropical circulation systems. This paper presents pollen and microcharcoal data generated from a sediment core extracted from the coastal lake Eilandvlei s...

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Veröffentlicht in:Journal of quaternary science 2018-07, Vol.33 (5), p.487-500
Hauptverfasser: Quick, Lynne J., Chase, Brian M., Wündsch, Michael, Kirsten, Kelly L., Chevalier, Manuel, Mäusbacher, Roland, Meadows, Michael E., Haberzettl, Torsten
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container_end_page 500
container_issue 5
container_start_page 487
container_title Journal of quaternary science
container_volume 33
creator Quick, Lynne J.
Chase, Brian M.
Wündsch, Michael
Kirsten, Kelly L.
Chevalier, Manuel
Mäusbacher, Roland
Meadows, Michael E.
Haberzettl, Torsten
description ABSTRACT The southern Cape is a particularly dynamic region of South Africa in terms of climate change as it is influenced by both temperate and tropical circulation systems. This paper presents pollen and microcharcoal data generated from a sediment core extracted from the coastal lake Eilandvlei spanning the last ∼8900 years. With an average sample resolution of 57 years, this record represents the highest resolution record of Holocene vegetation change from the region. The data indicate that cool, seasonal and moderately dry conditions characterized the Wilderness Embayment from ∼8900 to 8000 cal a BP. Afrotemperate forests expanded from ∼8000 cal a BP until 4700 cal a BP. This humid period is followed by indications of more arid and seasonal conditions until 3500 cal a BP. A long‐term increase in forest taxa suggests steadily increasing moisture availability across the late Holocene. Strong affinities are noted with records from more tropical regions of South Africa, suggesting that tropical systems are of importance in maintaining higher moisture availability in the region. An important mechanism of climate change is the Agulhas Current, which transmits what appears to be a localized signal of tropical variability to the southern Cape coast.
doi_str_mv 10.1002/jqs.3028
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language eng
recordid cdi_hal_primary_oai_HAL_hal_02123504v1
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subjects Agulhas Current
Aridity
Capes (landforms)
Climate and vegetation
Climate change
Coastal environments
Environmental Sciences
Forests
Global Changes
Holocene
Holocene climates
Holocene vegetation
Lake sediments
Moisture
Moisture availability
Pollen
South Africa
southern Cape palaeoenvironments
Tropical circulation
Tropical environment
Tropical environments
Vegetation
Wilderness
title A high‐resolution record of Holocene climate and vegetation dynamics from the southern Cape coast of South Africa: pollen and microcharcoal evidence from Eilandvlei
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