Treesearch
Displaying 401 - 408 of 408 Publications- … phenotypic variation, and predicting the effects of environmental change on the adaptedness of populations. …AuthorsGerald RehfeldtKeywordsSourceCanadian Journal of Forest Research. 21: 1491-1500.Year1991
- … is a natural pattern or a response to human induced environmental change is limited by lack of data on the …AuthorsScott MensingSourceIn: Standiford, Richard B., tech. coord. 1991. Proceedings of the symposium on oak woodlands and hardwood rangeland management; October 31 - November 2, 1990; Davis, California. Gen. Tech. Rep. PSW-GTR-126. Berkeley, CA: Pacific Southwest Research Station, Forest Service, U.S. Department of Agriculture; p. 230-232Year1991
- … black ( Prunus serotina Ehrh.) were analyzed to infer past environmental changes at two mature Appalachian forest sites. …AuthorsD.R. Dewalle, B.R. Swistock, W.E. SharpeSourceIn: McCormick, Larry H.; Gottschalk, Kurt W., eds. Proceedings, 8th Central Hardwood Forest Conference; 1991 March 4-6; University Park, PA. Gen. Tech. Rep. NE-148. Radnor, PA: U.S. Department of Agriculture, Forest Service, Northeastern Forest Experiment Station: 459-474.Year1991
- … achieving desired goals. An inexpensive method to monitor environmental change is to establish camera points and use … process, visual sensitivity for detecting and evaluating environmental change, using repeat color photog-raphy, should be increased. Magill, Arthur W. 1989. Monitoring environmental change with color slides. Gen. Tech. Rep. …AuthorsArthur W. MagillKeywordsSourceGen. Tech. Rep. PSW-GTR-117. Berkeley, CA: Pacific Southwest Forest and Range Experiment Station, Forest Service, U.S. Department of Agriculture; 55 pYear1989
- … levels rapidly, in less than 1 min when subjected to rapid environmental change, or change levels slowly over periods of …AuthorsClanton C. Black, Laszlo Mustardy, Shi-Jean Susana Sung, P.P. Kormanik, D.-P. Xu, Nachman PazKeywordsSourcePhysiologia Plantarum. 69: 387-394Year1987
- … the ability to forecast consequences of human-induced environmental changes accurately, relative to both national …AuthorsCurtis H. Flather, Thomas W. HoekstraKeywordsSourceWildlife Society Bulletin. 13(2): 121-130.Year1985
- … with existing photographs, maps, and overlays to monitor environmental changes. The projection-viewer can enlarge from …AuthorsRobert C. Aldrich, James von Mosch, Wallace GreentreeKeywordsSourceRes. Note PSW-RN-277. Berkeley, CA: U.S. Department of Agriculture, Forest Service, Pacific Southwest Forest and Range Experiment Station. 4 pYear1972
- … Kenneth W. Krueger Environmental changes resulting from logging in the …AuthorsKenneth W. KruegerSourcePNW Old Series Research Notes No. 198, p. 1-3Year1960