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J. Roberts (1976)
An Examination of the Quantity of Water Stored in Mature Pinus sylvestris L. TreesJournal of Experimental Botany, 27
G. Puritch (1971)
Water Permeability of the Wood of Grand Fir (Abies grandis (Doug.) Lindl.) in Relation to Infestation by the Balsam Woolly Aphid, Adelges piceae (Ratz.)Journal of Experimental Botany, 22
J. Stewart (1977)
Evaporation from the wet canopy of a pine forestWater Resources Research, 13
H. Miller, J. Miller (1976)
Effect of Nitrogen Supply on Net Primary Production in Corsican PineJournal of Applied Ecology, 13
R. Waring, S. Running (1978)
Sapwood water storage: its contribution to transpiration and effect upon water conductance through the stems of old‐growth Douglas‐firPlant Cell and Environment, 1
C. Grier, R. Waring (1974)
Notes: Conifer Foliage Mass Related to Sapwood AreaForest Science, 20
P. Scholander, E. Bradstreet, E. Hemmingsen, H. Hammel (1965)
Sap Pressure in Vascular PlantsScience, 148
Roberts Roberts, Fourt Fourt (1977)
A small pressure chamber for use with plant leaves of small sizePlant and Soil, 48
R. Rothwell (1974)
Sapwood water content of lodgepole pine
C. Skaar (1972)
Water in wood
Grier Grier, Waring Waring (1974)
Conifer foliage mass related to sapwood areaForest Science, 20
J. Landsberg, T. Blanchard, B. Warrit (1976)
Studies on the Movement of Water Through Apple TreesJournal of Experimental Botany, 27
G. Richards (1973)
Some aspects of the water relations of Sitka spruce
J. Gash, J. Stewart (1977)
The evaporation from Thetford Forest during 1975Journal of Hydrology, 35
P. Jarvis, Margaret Jarvis (1963)
The Water Relations of Tree Seedlings.: IV. Some Aspects of the Tissue Water Relations and Drought ResistancePhysiologia Plantarum, 16
P. Weatherley (1950)
Studies in the water relations of the cotton plant 1. The field measurement of water deficits in leaves.New Phytologist, 49
I. Strangeways (1972)
AUTOMATIC WEATHER STATIONS FOR NETWORK OPERATIONWeather, 27
L. Chalk, J. Bigg (1956)
THE DISTRIBUTION OF MOISTURE IN THE LIVING STEM IN SITKA SPRUCE AND DOUGLAS FIRForestry, 29
D. Whitehead (1978)
The Estimation of Foliage Area from Sapwood Basal Area in Scots PineForestry, 51
J. Siau (1971)
Flow in wood
Abstract. The amount of water available diurnally and annually from the storage tissues was measured in plots of Scots pine trees with four different population densities (608–3281 trees per ha) in a 40‐year‐old plantation in north eastern Scotland. The water storage capacity of stems, branches, and foliage was estimated from equations derived from harvested trees and measurements of relative water content. On average 64% of the water considered to be available for transpiration was in the stem sapwood and less than 5% in the phloem, cambium and foliage. Trees on the plot with the highest population density had a water storage capacity of 212 m3 ha−1 (21.2 mm), whereas those on the plot with the lowest population density had a water storage capacity of 124 m3 ha−1 (12.4 mm). The utilization of stored water in transpiration was estimated from seasonal and diurnal measurements of the relative water content of foliage and stem sapwood. The largest change in sapwood relative water content over a 2‐week period was a reduction of 27% corresponding to extraction from the sapwood of 2.5 and 5.1 mm of water on the plots with the lowest and highest population densities, respectively. In rapidly changing weather conditions 1–1.5 mm day−1 could be removed from the stem sapwood alone. Since transpiration rarely exceeded 3 mm day−1, 30–50% of the transpired water was extracted from water stored in the stem sapwood over short periods. Trees on the plot with the lowest population density occasionally had slightly higher relative water contents and exhibited larger diurnal fluctuations than those on the plot with the highest population density, possibly because of differences in wood density. Sapwood water content was generally lower at times of high transpiration rate and in winter during freezing conditions. Resaturation took several months to complete during the winter.
Plant Cell & Environment – Wiley
Published: Dec 1, 1979
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