PubAg

Main content area

Dynamics of soil respiration at different stages of pyrogenic restoration succession with different-aged burns in Evenkia as an example

Author:
Masyagina, O. V., Evgrafova, S. Yu., Titov, S. V., Prokushkin, A. S.
Source:
Russian journal of ecology 2015 v.46 no.1 pp. 27-35
ISSN:
1067-4136
Subject:
canopy, carbon dioxide, emissions, soil, soil respiration
Abstract:
An analysis of CO₂emissions and soil microbiological activity has been performed in larch stands of different ages that developed on cryogenic soils and represent different stages of post-fire succession. An abrupt increase in the soil emissions of CO₂(by more than 2 times) in young stands (15–30 years old), as well as a decrease of soil-respiration rate at the later stages of pyrogenic successions because of the restoration of the moss-lichen cover and the closure of the stand canopy was seen. Intraseasonal and interannual variations of soil CO₂fluxes were also revealed; however, their dynamics was largely determined by the local conditions.
Agid:
1201165