خيارات البحث
النتائج 121 - 130 من 198
[Anthropogenic changes of forest ecosystems. History - present - future]
1987
Ulrich, B. (Goettingen Univ. (Germany, F.R.). Inst. fuer Waldernaehrung)
[Forest genetical perspectives of forest damages in Middle Europe and possibilities for influencing the breeding methods]
1987
Kleinschmit, J. (Niedersaechsische Forstliche Versuchsanstalt, Escherode (Germany, F.R.). Abt. fuer Forstpflanzenzuechtung)
The impact of pollution on the copepod community of the Kastela Bay
1987
Regner, D. (Institut za Oceanografiju i Ribarvstvo, Split (Yugoslavia))
[Comparative study of ecosystem modifications of coastal waters subject to pollutants in the Gulf and Port of Patras]
1987
Castritsi-Catharios, J. | Ganias, G. | Panagopoulos, D. (Athens Univ. (Greece). Lab. de Zoologie)
Recovery of a soft bottom community after extensive dredging. I: Mollusca
1987
Curini-Galletti, M.C. (Pisa Univ. (Italy). Ist. di Biologia Marina)
Changes in the benthic communities due to various pollutants in Izmir Bay (Turkey)
1987
Kocatas, A. | Ergen, Z. | Katagan, T. (Ege Univ., Izmir (Turkey). Faculty of Science)
[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)
