[ 发表于: Pollution ]
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Growth and nutrition of Quercus rubra L. seedlings and mature trees after three seasons of ozone exposure
1996
Samuelson, L.J. | Kelly, J.M. | Mays, P.A. | Edwards, G.S. (School of Forestry, Auburn University, AL 36849-5418 (USA))
Department for Environment, Food and Rural Affairs - United Kingdom
Principal forest dieback episodes in Northern Hardwoods: development of numeric indices of areal extent and severity
1997
Auclair, A.N.D. (Science and Policy Associates Inc., Washington, DC (USA).) | Eglinton, P.D. | Minnemeyer, S.L.
Wageningen University & Research - Netherlands
