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OLS Field Name OLS Field Data
Main Title Growth-Trend Declines of Spruce and Fir in Mid-Appalachian Subalpine Forests.
Author Adams, H. S. ; Stephenson, S. L. ; Blasing, T. J. ; Duvick, D. N. ;
CORP Author Oak Ridge National Lab., TN. ;Dabney S. Lancaster Community Coll., Clifton Forge, VA. ;Fairmont State Coll., WV.;Corvallis Environmental Research Lab., OR.
Year Published 1985
Report Number EPA/600/J-85/360;
Stock Number PB86-179207
Additional Subjects Growth ; Fir trees ; Forest trees ; Age determination ; Trees(Plants) ; Plant ecology ; Elevation ; Trends ; Droughts ; Mortality ; Air pollution ; Stress(Physiology) ; Climate ; Appalachian Mountains ; Insects ; Reprints ; Picea rubens ; Red spruce trees ; Abies balsamea ; Abies fraseri
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NTIS  PB86-179207 Most EPA libraries have a fiche copy filed under the call number shown. Check with individual libraries about paper copy. NTIS 06/21/1988
Collation 12p
Abstract Dendroecological analysis of 258 increment growth cores collected from red spruce, balsam fir, and Fraser fir in central West Virginia and western Virginia indicates marked declines in growth-trend during the past 20 years similar to that reported for spruce and fir in high-elevation forests of the northern Appalachians. Consequently, growth-trend declines of conifers in subalpine forest ecosystems of eastern North America are apparently more widespread than previously realized and might therefore be related to a large-scale change in air quality. The initiation of growth-trend decline was often synchronous with the onset of a major drought, but the growth rates have failed to recover since the late 1960s when the drought ended. (Copyright (c) 1985 Pergamon Press Ltd).
Supplementary Notes Pub. in Environmental and Experimental Biology, v25 n4 p315-325 Oct/Dec 85. Prepared in cooperation with Dabney S. Lancaster Community Coll., Clifton Forge, VA., and Fairmont State Coll., WV. Sponsored by Corvallis Environmental Research Lab., OR.
NTIS Title Notes Journal article.
Title Annotations Reprint: Growth-Trend Declines of Spruce and Fir in Mid-Appalachian Subalpine Forests.
PUB Date Free Form c1985
Category Codes 2F; 48D
NTIS Prices PC A02/MF A01
Primary Description 600/02
Document Type NT
Cataloging Source NTIS/MT
Control Number 614224776
Origin NTIS
Type CAT