خيارات البحث
النتائج 91 - 100 من 198
Statistical methods for environmental pollution monitoring
1987
Gilbert, Richard O.
Seasonal fluctuations of a polychaete community in a small brackish environment (microhabitat)
1987
Lardicci, C. (Pisa Univ. (Italy). Ist. di Biologia Marina) | Castelli, A.
Environmental conditions in Abu-Kir Bay, east of Alexandria, downstream from "El-Tabia" effluent. Impact on the fish associations in the coastal zone
1987
Halim, Y. (University of Alexandria Research Centre (Egypt)) | Saleh, H.H. | Salim, A.
[In situ experimentation as an evaluative criterion of pollution effects: a study of evolutionary mechanisms and repopulation of polluted sediments]
1987
Stora, G. (Centre d'Oceanologie de Marseille-Station Marine d'Endoume, Marseille (France)) | Arnoux, A. | Diana, C.
Evaluating the effects of pollution on natural marine ecosystems: some outstanding problems of biological surveillance techniques
1987
Abel, P.D. (Sunderland Polytechnic (UK). Biology Dept.)
[Long term perspectives of increased nitrogen input in forest ecosystems: is eutrophication threatening?]
1987
Beese, F. (Goettingen Univ. (Germany, F.R.). Inst. fuer Bodenkunde und Waldernaehrung) | Matzner, E.
[Nutrient supply of middle European commercial forests]
1987
Zoettl, H.W. (Goettingen Univ. (Germany, F.R.). Inst. fuer Bodenkunde und Waldernaehrung)
[Ecological effects and silvicultural conception of continuous pollution stress in Northern Federal Republic of Germany]
1987
Otto, H.J. (Niedersaechsisches Ministerium fuer Ernaehrung, Landwirtschaft und Forsten, Hannover (Germany, F.R.))
Measures against acidification and air pollution - a Swedish view over a 20-year period
1987
Thunberg, B. (Statens Naturvaardsverk, Solna (Sweden))
Air pollution - distribution, effects, and countermeasures. State of the art
1987
Ferm, M. (Institutet foer Vatten- och Luftvaardsforskning, Goeteborg (Sweden))
