Ecological thresholds and patterns of millennial-scale climate variability:The response of vegetation in Greece during the last glacial period

The regional expression of millennial-scale climate variability during the last glacial is examined with particular reference to the vegetation response in Greece. Inspection of three pollen records from contrasting bioclimatic areas suggests that differences in the magnitude of cold events as recog...

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Bibliographic Details
Published in:Geology
Main Authors: Tzedakis, PC, Frogley, MR, Lawson, IT, Preece, RC, Cacho, I, de Abreu, L
Format: Article in Journal/Newspaper
Language:English
Published: 2004
Subjects:
paleoclimatology
paleoecology
last glacial
North Atlantic
Greece
NORTH-ATLANTIC
RECORDS
GREENLAND
EVENTS
CYCLE
ICE
SEA
Greenland
Online Access:https://risweb.st-andrews.ac.uk/portal/en/researchoutput/ecological-thresholds-and-patterns-of-millennialscale-climate-variability(0e9ee00d-9c13-4e39-828b-16580e86a77b).html
https://doi.org/10.1130/G20118.1
Description
Summary:The regional expression of millennial-scale climate variability during the last glacial is examined with particular reference to the vegetation response in Greece. Inspection of three pollen records from contrasting bioclimatic areas suggests that differences in the magnitude of cold events as recognized in the North Atlantic and western Mediterranean are expressed in terms of tree population changes only in areas with a range of favorable habitats. By contrast, records from sites where populations approach their tolerance threshold do not appear to resolve differences in the amplitude of the climate oscillations. Understanding the importance of local factors in modulating the biological response to climate change is critical when attempting to establish the spatial pattern of millennial variability.

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