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Results 121-130 of 198
[Study of the benthic communities of a disturbed environment: the port of Algiers]
1987
Bakalem, A. | Romano, J.C.
Fish diseases, an index of water pollution: a review
1987
Halim, Y. | Faisal, M. | Ahmed, I. (Alexandria Univ. (Egypt). Faculty of Science)
[Modifications in the planktonic ecosystem caused by pollution of Lebanese coastal waters]
1987
Lakkis, S. (Universite Libanaise, Hadeth (Lebanon). Faculte des Sciences) | Zeidane, R.
Air pollution and the US forest health [airborne chemicals]
1987
Johnson, A. (Pennsylvania Univ., Philadelphia, PA (USA). Dept. of Geology)
Threats, effects, and countermeasures
1987
Remroed, J. (Svenska Cellulosa- och Pappersbruksfoereningen, Falun (Sweden))
[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.))
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.
