Claim · model-written summary
Seasonal ecosystem exchange related to leaf expansion and soil water in dry 1996.
- Taxon
- Beecht0
- Organ / stage
- leaf expansione0
- Outcome
- seasonal variation of net ecosystem exchangee0
- Qualifier
- soil water content during the dry year of 1996e0
Not reportedMaterialGeneCompoundInteractorInteractor roleSecond interactorSecond interactor roleTreatmentComparatorSettingDirectionValue
Verbatim
e0“The seasonal variation of net ecosystem exchange was closely related to leaf expansion and soil water content during the dry year of 1996”
t0“Beech forest”
Title
The carbon balance of a young Beech forest
A. Granier; E. Ceschia; C. Damesin; et al. Functional Ecology 2000. doi:10.1046/j.1365-2435.2000.00434.x
Other claims from this paper (15)
- Observation Daily minimum carbon dioxide flux was near minus twenty during full leaf expansion.
- Observation Night ecosystem respiration ranged from five to fifteen micromoles.
- Association Seasonal net ecosystem assimilation closely matched branch assimilation.
- Observation Ecosystem respiration peaked in spring and summer at four to seven grams carbon daily.
- Association Ecosystem respiration appeared correlated with soil temperature.
- Association Soil respiration showed a similar temporal pattern and responses to temperature and drying.
- Observation Annual soil respiration was about seventy percent of ecosystem respiration.
- Observation Root respiration made up sixty percent of belowground respiration.
- Observation Net carbon exchange in 1996 was minus 218 grams carbon per square meter.
- Observation Net carbon exchange in 1997 was minus 257 grams carbon per square meter.
- Observation Biomass increment was 427 in 1996 and 471 in 1997.
- Mechanism The carbon balance discrepancy may reflect woody debris decomposition.
- Observation Annual ecosystem carbon loss from respiration was 800 to 1000 grams per square meter.
- Observation Annual gross carbon gain was 1000 to 1300 grams per square meter.
- Observation Authors concluded ecosystem respiration was a major part of annual forest carbon balance.