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Forest Science Database

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Abstract

Tree-ring analysis was used to study the effect of pollution on the radial growth of populations of Pinus sylvestris growing in a 78-yr-old provenance trial near a nitrogen fertilizer plant in SE Poland. Quercus robur, Larix decidua and L. decidua × L. kaempferi [L. leptolepis] were growing nearby...

Author(s)
Oleksyn, J.; Fritts, H. C.; Hughes, M. K.
Citation
Arboretum Kórnickie, 1993, 38, pp 87-111
Abstract

Dendrochronological simulation of the effects of specified climatic change on tree growth in the Four Corners area (Utah, Arizona, Colorado, New Mexico) were made to provide a basis for evaluating hypotheses concerning environmental influences on the growth and decline of the Chacoan regional...

Author(s)
Fritts, H. C.; Dean, J. S.
Citation
Tree-Ring Bulletin, 1992, 52, pp 31-58
Abstract

Measurements of maximum and minimum density, and early wood and late wood thickness were measured on Swiss alpine trees (mainly Pinus montana, Pinus cembra, Larix decidua, Abies alba, or Picea abies) using X-ray densitometry. Methods for assuring accurate estimates of absolute density are...

Author(s)
Schweingruber, F. H.; Fritts, H. C.; Braker, O. U.; Drew, L. G.; Schar, E.
Citation
Tree-Ring Bulletin, 1978, 38, pp 61-91
Abstract

Refers to previously published chronologies from the Laboratory of Tree-ring Research [not separately noticed in FA] and reports an examination of some 600 sets of data which might be used to revise the network of chronologies for western N. America. The criteria used in selecting data included the ...

Author(s)
Fritts, H. C.; Shatz, D. J.
Citation
Tree-ring Bulletin, 1975, 35, pp 31-40
Abstract

Cores from two Pinus ponderosa stands in Gila county, Arizona were used to test a computer program method which eliminates differences due to climate. The residual differences in ring widths, ascribed to non-climatic causes, may be related e.g. to air pollution from ore smelters (when these were...

Author(s)
Nash, T. H., III; Fritts, H. C.; Stokes, M. A.
Citation
Tree-ring Bulletin, 1975, 35, pp 15-24
Abstract

Two multivariate techniques are described for evaluating the relations between ring widths and climatic factors. One technique uses multiple regression on principal components of climate. Response functions are obtained which express in mathematical form the relative effects of monthly temperature...

Author(s)
Fritts, H. C.
Citation
Ecological Monographs, 1974, 44, 4, pp 411-440
Abstract

A study of the radial growth of Pinus aristata in relation to climate and site conditions. [Cf. F.A. 31 Nos. 418, 3101. KEYWORDS: Dendrochronology \ Increment relation \ climatic factors \ Pinus aristata

Author(s)
Fritts, H. C.
Citation
Papers. Lab. Tree-Ring Res. Univ. Ariz., 1969, No. 4, pp viii + 44 pp.
Abstract

A review, including also some results of unpublished research on Pinus aristata and P. ponderosa. [Cf. F.A. 27 Nos. 3354, 6528. KEYWORDS: Increment \ mensuration \ forests \ Pinus aristata \ Pinus ponderosa dendrochronology \ Rings, growth correlation \ width \ climatic factors

Author(s)
Fritts, H. C.
Publisher
American Association for the Advancement of Science, USA
Citation
Science (Washington), 1966, 154, 3752, pp 973-9
Abstract

The study revealed great variability within a tree, and it is concluded that, in order to evaluate past climatic fluctuations in semi-arid areas, it is advisable to sample annual rings from the base of many trees rather than make an intensive sampling at several heights in a few trees. KEYWORDS: ...

Author(s)
Fritts, H. C.; et al
Citation
Tree-Ring Bulletin, 1965, 27, 1/2, pp 3-18
Abstract

Tree-ring samples of Pseudotsuga taxifolia, Pinus ponderosa and P. edulis for 1860-1962 were taken from 7 stands on 5 sites along a vegetation gradient ranging from forest interior to semi-arid lower forest border, to test whether best cross-dating is obtained by using tree samples from semi-arid...

Author(s)
Fritts, H. C.; et al
Citation
Ecology, 1965, 46, 4, pp 393-401

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