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Components of adaptive variation in pinus contorta from the inland northwest

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Title	Components of adaptive variation in pinus contorta from the inland northwest
Creator	Rehfeldt, G. E.
Contributor	Intermountain Research Station (Ogden, Utah)
Description	Genetic variation among 83 populations of Pinus contorta from the Northern Rocky Mountains of the United States was studied with 7-year-old trees planted in three contrasting environments. Analyses of nine traits reflected adaptation to biotic and abiotic environments and revealed clinal patterns of differentiation that were elevationally steep but geographically gentle. In particular, populations from relatively mild environments had the highest growth potential but suffered the most snow damage when planted at high elevations. Populations from high elevations were most susceptible to needle cast when transferred to low elevation. And populations transferred the greatest geographic distances suffered the most from infestations of mites. Regression models present adaptive landscapes that mirror elevational and geographic gradients in climate.
Publisher	Ogden, UT : U.S. Dept. of Agriculture, Forest Service, Intermountain Research Station, 1987.
Subject	Variation (Biology) ; <br> Evolution ; <br> Lodgepole pine.
Relation	Research paper INT ; 375
Source	A 13.78:INT-375
Date Original	1987-02-01
Date Digital	2008-07;
Type	text
Format	application/pdf
Contributing Institution	The University of Montana
Language	En
Digitization Specifications	Scanned with a Bookeye 3 scanner at 300 dpi, 8 bit grayscale. Converted to PDF using Abbyy FineReader 8.0 Professional Edition

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