خيارات البحث
النتائج 1 - 10 من 13
Interspecific differences in manganese levels in freshwater bivalves.
1989
Tevesz M.J.S. | Matisoff G. | Frank S.A. | McCall P.L.
Chronic effects of low pH and elevated aluminium on survival, maturation, spawning and embryo-larval development of the fathead minnow in soft water.
1989
McCormick J.H. | Jensen K.M. | Anderson L.E.
Water pollution | More EPA action needed to improve the quality of heavily polluted waters
1989
Effect of landfill leachate irrigation on red maple (Acer rubrum L.) and sugar maple (Acer saccharum Marsh.) seedling growth and on foliar nutrient concentrations
1989
Gordon, A.M. | McBride, R.A. | Fisken, A.J. | Bates, T.E. (Department of Environmental Biology, University of Guelph, Ont. N1G 2W1 (Canada))
Behavior of runoff-derived metals in a detention pond system
1989
Mesuere, K. (Oregon Graduate Center, Beaverton, OR (USA). Dept. of Environmental Science and Engineering) | Fish, W.
Improved growth in stunted brown trout (Salmo trutta L.) after reliming of Lake Hovvatn, southern Norway
1989
Barlaup, B.T. (Bergen Univ. (Norway). Museum of Zoology) | Aatland, A. | Raddum, G.G. | Kleiven, E.
Use of 90Sr in fish vertebrae as an effluent exposure tracer in PCB-contaminated channel catfish
1989
Southworth, G.R. (Oak Ridge National Lab., Oak Ridge, TN (USA))
Effect of a sewage plant in the distribution of organochlorine residues in the Diyala River, Iraq
1989
Al-Omar, M.A. (Biological Research Centre, Baghdad (Iraq)) | Nehla | Al-Ogaily, H. | Shebl, D.A.
Incidence of fin erosion and anomalous fishes in a polluted stream and a nearby clean stream
1989
Reash, R.J. (Ohio State Univ., Columbus, OH (USA). Environmental Biology Program) | Berra, T.M.
Accumulation of copper in Clarias anguillaris L. and Oreochromis niloticus L.
1989
Daramola, J.A. (Ahmadu Bello Univ., Zaria (Nigeria). Dept. of Biological Sciences) | Oladimeji, A.A.
