FN Archimer Export Format
PT J
TI Orbital- and sub-orbital-scale climate impacts on vegetation of the western Mediterranean basin over the last 48,000 yr
BT 
AF FLETCHER, William J.
   GONI, Maria Fernanda Sanchez
AS 1:1;2:1;
FF 1:;2:;
C1 Univ Bordeaux 1, CNRS, EPOC, UMR 5805,Ecole Prat Hautes Etud, F-33405 Talence, France.
C2 UNIV BORDEAUX, FRANCE
IF 2.457
TC 302
UR https://archimer.ifremer.fr/doc/00237/34783/33369.pdf
LA English
DT Article
CR IMAGES 1-MD101
   IMAGES V LEG 1-MD114
   IMAGES V LEG 4-MD114
BO Marion Dufresne
DE ;Marine palynology;Land-sea correlation;Iberian margin;Mediterranean region;Dansgaard-Oeschger variability;Heinrich events;LGM;Holocene;Precession
AB High-resolution pollen analysis of Alboran 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 and conditions. Taxon-specific vegetation responses to a tripartite climatic structure within the HEs are observed. In MIS 1, the Bolling-Allerod 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.
PY 2008
PD NOV
SO Quaternary Research
SN 0033-5894
PU Academic Press Inc Elsevier Science
VL 70
IS 3
UT 000260841600011
BP 451
EP 464
DI 10.1016/j.yqres.2008.07.002
ID 34783
ER

EF