خيارات البحث
النتائج 161 - 170 من 198
[Present state of knowledge - gained by deposit measurements - on the question of stress on forest ecosystems - caused by air pollutant input in North Rhine-Westphalia]
1987
Gehrmann, J. (Landesanstalt fuer Oekologie, Landschaftsentwicklung und Forstplanung | Recklinghausen (Germany, F.R.))
[Small RNAs [ribonucleic acid] of damaged and healthy forest trees]
1987
Riesner, D. (Duesseldorf Univ. (Germany, F.R.). Inst. fuer Physikalische Biologie) | Koester, S. | Beuther, E. | Loss, P.
[Release and characteriszation of mobile Al-species]
1987
Schmid, S. (Fraunhofer-Institut fuer Umweltchemie und Oekotoxikologie, Schmallenberg (Germany, F.R.)) | Kloeppel, H.
[Silicon as chemical indicator of the double attack of air pollutants on forests? New results of needle and soil analyses conducted during intromission-ecological forest state registration]
1987
Knabe, W. (Landesanstalt fuer Oekologie, Landschaftsentwicklung und Forstplanung des Landes Nordrhein-Westfalen, Recklinghausen (Germany, F.R.))
[Effects of eco-toxic heavy metals on young stands of European beech]
1987
Kahle, H. (Bielefeld Univ. (Germany, F.R.). Fakultaet fuer Biologie. Abt. Oekologie) | Breckle, S.W.
[Experiments on the vitalization and revival of diseased Norway spruce stands by inoculation of mycorrhizae]
1987
Lelley, J. (Versuchsanstalt fuer Pilzbau, Krefeld (Germany, F.R.)) | Wuestenhoefer, B. | Boeckem, H.
[Measurement and experiment station in the forest (MEXFO) -First results of the analyses of precipitation and soil water samples]
1987
Thiele, V. | Specovius, J. | Metzger, F. | Prinz, B.
[The research topic of North Rhine-Westphalia on "air pollution and forest damage". - Research plan for the research programme]
1987
Koeth, I. | Prinz, B.
Physicochemical processes and wastes in the ocean. Original ed.
1987
OConnor Thomas P. | Burt Wayne V. | Duedall Iver W.
Production response to groundwater pollution control
1987
Baker, Brian P.
