Physiological studies in young Eucalyptus stands in southern India and their use in estimating forest transpiration
Conference
·
OSTI ID:140041
- Inst. of Hydrology, Wallingford (United Kingdom)
- Mysore Paper Mills, Shimoga (India)
Stomatal conductance, leaf water potential and leaf area index were measured in adjacent plantations of Eucalyptus camaldulensis and Eucalyptus tereticornis at Puradal, near Shimoga, Karnataka, southern India. The data were collected in a range of climatic conditions during a two year period immediately following plantation establishment. Physiological differences between the two species were small and confined largely to leaf area index. Stomatal conductance was highest in the post-monsoon period and declined to minimum values immediately prior to the onset of the monsoon, with the lowest conductances observed after the plantations had been established for more than one year. Stomatal conductance, leaf area index and above-canopy meteorological data were combined in a multi-layer transpiration model and used to calculate hourly values of transpiration from the two species. Rates of transpiration up to 6 mm d{sup {minus}1} were estimated for the post-monsoon period but fell to below 1 mm d{sup {minus}1} prior to the monsoon.
- OSTI ID:
- 140041
- Report Number(s):
- CONF-9102202--; ISBN 0-471-93561-1
- Country of Publication:
- United States
- Language:
- English
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