-
1
-
2
المؤلفون: Louis Blume, Robbins Church, Mark Johnson, Deborah S. Coffey, Richard Holdren, Donald L. Stevens, Leon Liegel, Jeffrey J. Lee, Duane A. Lammers, Robert S. Turner
المصدر: Environmental Management. 13:95-108
مصطلحات موضوعية: Global and Planetary Change, geography, geography.geographical_feature_category, Watershed, Ecology, Forest management, STREAMS, Pollution, Current (stream), Ridge, Environmental protection, Acid deposition, Acid rain, Surface water
-
3