Emulating natural fire effects using harvesting in an eastern boreal forest landscape of northeast China
Article first published online: 27 FEB 2012
© 2012 International Association for Vegetation Science
Journal of Vegetation Science
Volume 23, Issue 4, pages 782–795, August 2012
How to Cite
Liu, Z., He, H. S., Yang, J. (2012), Emulating natural fire effects using harvesting in an eastern boreal forest landscape of northeast China. Journal of Vegetation Science, 23: 782–795. doi: 10.1111/j.1654-1103.2012.01397.x
- Issue published online: 3 JUL 2012
- Article first published online: 27 FEB 2012
- Manuscript Accepted: 21 JAN 2012
- Manuscript Received: 11 MAY 2011
- Chinese Academy of Sciences. Grant Number: KZCX2-YW-444
- National Science Foundation of China. Grant Numbers: 41071121, 31100345
- Fire disturbance;
- LANDIS ;
- Landscape ecology;
- Management based on natural disturbance;
- Spatial heterogeneity
Efforts to emulate natural fire effects through harvesting have met with limited success due to insufficient consideration of variable fire severities and spatial heterogeneity of fire regimes (e.g. mean return interval and fire size) in boreal ecosystems. What is the relative importance of fire severity and spatial heterogeneity on tree species composition, age structure and spatial pattern?
An eastern boreal forest landscape of northeast China, consisting of larch and birch forests.
We constructed a factorial design of forest management alternatives and conducted simulation experiments using a landscape disturbance and succession model, LANDIS. We used a management area delineation method to simulate spatial heterogeneity of fire regime and a silvicultural regeneration method to simulate variable fire severity.
Management area delineation had a greater influence on tree species composition, age structure and spatial pattern of the boreal forests than the silvicultural regeneration method. The silvicultural regeneration method had more influence on the age structure of larch than birch, due to the variable severity of fire on larch.
Spatial heterogeneity of fire regime has a more important influence on ecosystem characteristics than fire severity in this eastern boreal landscape. Efforts to emulate natural fire effects through harvesting should first account for the effects of spatial heterogeneity of the fire regime. It is necessary to delineate the landscape into fire management units and incorporate variable fire severities in harvest prescriptions for each unit.