Sensitivity of cool-temperate forests and their fossil pollen record to rapid temperature change

Auteurs :
DAVIS, M. B.
BOTKIN, D. B.

Description :
Simulations of cool-temperate forest growth in response to climatic change using the JABOWA computer model show that a decrease of 600 growing degree-days causes red spruce (Picea rubens) to replace sugar mapple (Acer saccharum) as a dominant tree. These changes are delayed 100-200 yr after the climatic cooling. Delayed responses imply that fossil pollen deposits, even if they faithfully record the abundance of trees in forests, may not be able to resolve climatic changes within 100-200 yr, or to record very brief climatic events.


Type de document :
Article de périodique

Source :
Quaternary research New York, 1985, vol. 23, n°. 3, p. 327-340, Références bibliographiques : 37 réf.

Date :
1985