Results 321 to 330 of about 660,720 (353)

Estimating shrub biomass from basal stem diameters

Canadian Journal of Forest Research, 1976
For 25 northern Rocky Mountain shrub species, linear regressions are presented for total aboveground weight on basal stem diameter (average r2 of 0.91) and for leaf weight on basal stem diameter (average r2 of 0.74). The percentage of stem-wood weight in diameter classes of 0 to 0.5 cm, 0.5 to 2 cm, and 2 to 5 cm varies with basal stem diameter and ...
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Stem diameter changes before bud opening in Zelkova serrata saplings

Journal of Plant Research, 2003
It is well known that stems of woody plants shrink and swell diurnally. These fluctuations of stem diameter are induced mainly by the changes of water contents in plants, which are caused by the combination of leaf transpiration and root absorption of water.
Kiyotsugu, Yoda, Hiromichi, Wagatsuma, Mitsuo, Suzuki, Hitoshi, Suzuki   +3 more
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Applications of the crown diameter–stem diameter relationship for different species of broadleaved trees

Forest Ecology and Management, 2005
Abstract There is a well known but comparatively little-studied relationship between crown diameters (K) and stem diameters (d) of trees. Between about 20 and 50 cm dbh the relationship is very close to being linear, with an r2 value higher than 0.8.
G.E. Hemery, P.S. Savill, S.N. Pryor
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The ugly truth about pipe stem bore diameter dating

North American Archaeologist, 2022
The usual practice of presenting and considering age estimates derived from pipe stem bore diameters as individual point estimates is incorrect, misleading, and ignores the true nature of the data set. Consideration of the age estimates as a range of values described by the mean and standard deviation correctly and more accurately reflects the nature ...
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Diurnal Variations in Stem Diameters of Small Trees

Botanical Gazette, 1967
Diurnal changes in diameters of small trees were determined in the greenhouse with an adaptation of the Fritts dendrograph. Separate experiments determined diurnal and seasonal variations in diameters when soil moisture was readily available, effects of recurrent droughts on diameter changes, and effects of transplanting on subsequent diameter changes.
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Moisture Stress and Stem Diameter in Young Douglas-Fir

Forest Science, 1971
Abstract The internal plant moisture stress (PMS) and stem diameter of nine Douglas-fir trees were measured throughout the day on two clear days in September. The PMS and diameter curves were out of phase by several hours. PMS increased in the morning, remained constant for a while, then decreasedin the afternoon; but diameters decreased
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Onconephrology: The intersections between the kidney and cancer

Ca-A Cancer Journal for Clinicians, 2021
, Kenar D Jhaveri, Mark A Perazella
exaly  

Methods for modeling whole stem diameter growth and taper

2019
Ph. D.
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Shrub Stem Diameter

2020
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Estimating Bitterbrush Age from Stem-Diameter Measurements

Ecology, 1963
Burt M. McConnell, Justin G. Smith
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