Changes in the charcoal assemblage and tree-ring curvature in Phase I (8700–8000 yr BP), Phase II (8000–7600 yr BP), and Phase III (7450–7000 yr BP). (IMAGE)

Science China Press

Changes in the charcoal assemblage and tree-ring curvature in Phase I (8700–8000 yr BP), Phase II (8000–7600 yr BP), and Phase III (7450–7000 yr BP).

Caption

(a) percentages of the woody plants; (b) tree-ring curvature of main woods; (W), (M), and (S) represent weakly, moderately, and strongly curved rings.

Credit

©Science China Press

Usage Restrictions

Use with credit.

License

Original content

Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.