خيارات البحث
النتائج 71 - 80 من 267
[Substance input in forest ecosystems. - Deposition of precipitation in the open land and in forest stands]
1989
Brechtel, H.M.
Handbook of limnology & water pollution | Handbook of limnology and water pollution
1989
Das, S. M. (Shailendra Mohan)
Urban discharges and receiving water quality impacts
1989
Ellis, J. B. (J Bryan)
Contains 17 papers plus two abstracts. Topics covered by the papers include: sources and transport of pollutants in arctic regions; processes of pollutant interaction and movement in hydrochemical or biological systems near or below freezing point and questions of prevention, detection and management of pollution in arctic conditions.
اظهر المزيد [+] اقل [-]The state of transboundary air pollution: effects and control
1989
Proven profits from pollution prevention
1986-1989
Huisingh, Donald | Martin, Lawrence R.
Air pollution and forest decline
1989
Bucher, Jürg B. | Bucher-Wallin, Inga
Pesticides and PCBs in oysters from Mazatlan, Sinaloa, Mexico
1989
Martin, M. | Gutierrez-Galindo, E. (California Department of Fish and Game, Marine Pollution Studies Laboratory, Monterey, CA 93940 (USA))
[Acid balance of a Norway spruce stand of the Hessian forest district of Witzenhausen]
1989
Balazs, A.
[Excursion to the main measurement station Grebenau of the Hessian study programme "Forest Effects by Air Pollution"]
1989
Balazs, A. | Boettcher, H.D. | Eichhorn, J. | Hanewald, K. | Siegmund, A. | Riebeling, J.
