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Foliar Ca, Mg, Al, N and delta15N as indicators of ecological damage in a spruce-fir stand subjected to chronic N additions
1999
Pardo, L.H. | Schaberg, P.G. (USDA Forest Service, Burlington, VT (USA)) | McNulty, S.G. | Aber, J.D.
Det Biovidenska belige Fakultets bibliotek - Denmark
Indicators for monitoring forest soil acidification and the impact of acidification on needle chemistry and coniferous tree growth
1999
Lundstroem, U.S. | Nyberg, L. | Danielsson, R. | Hees, P.A.W. van | Soederberg, U.
Det Biovidenska belige Fakultets bibliotek - Denmark
Pine needle chemistry near a large point SO2 source in Northernmost Europe
1999
Koptsik, G. | Koptsik, S. (Moscow State Univ. (Russia)) | Aamlid, D.
Det Biovidenska belige Fakultets bibliotek - Denmark