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This pictorial describes how western spruce budworm larvae feed on young western larch and the trees' responses to this damage. Larvae feed not only on the current year's foliage-their usual diet on most coniferous hosts-but also sever stems of current year's shoots. Multiple-topped, bushlike trees…
Author(s): David G. Fellin, Wyman C. Schmidt
Keywords: Lepidoptera (-forest damage), shoot damage, western spruce budworm, Choristoneura occidentalis Freeman, western larch, Larix occidentalis Nutt
Source: Gen. Tech. Rep INT-GTR-7. Ogden, UT: U.S. Department of Agriculture, Forest Service, Intermountain Forest and Range Experiment Station. 25 p.
Year: 1973
Under projected changes in global climate, the growth and survival of existing forests will depend on their ability to adjust physiologically in response to environmental change. Quantifying their capacity to adjust and whether the response is species- or population-specific is important to guide…
Author(s): Laura P. Leites, Gerald E. Rehfeldt, Andrew P. Robinson, Nicholas L. Crookston, Barry Jaquish
Keywords: climate-change response functions, provenance tests, genotype by environment interaction, provenance transfer functions, Larix occidentalis Nutt, linear mixed-effects models
Source: Natural Resource Modeling. 25(3): 409-433.
Year: 2012