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1992

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Resultados 151-160 de 217

Trace metal concentrations in the pink shrimp Penaeus notialis from the coast of Ghana

1992

Biney, C.A. (Institute of Aquatic Biology, Achimota (Ghana)) | Ameyibor, E.

penaeus ghana metales pesados/ polucion del agua metal lourd/ pollution de l'eau heavy metals/ water pollution
Wageningen University & Research - Netherlands
Determining baselines and variability of elements in plants and soils near the Kenai National Wildlife Refuge, Alaska

1992

Crock, J.G. (U.S. Geological Survey, Denver, CO (USA)) | Severson, R.C. | Gough, L.P.

alaska reservas naturales nature reserves contaminantes industriales/ metales pesados industrial pollutants/ heavy metals polluant industriel/ metal lourd reserve naturelle
Wageningen University & Research - Netherlands
A simple passive sampler for measuring ammonia emission in the field

1992

Schjoerring, J.K. (Royal Veterinary and Agricultural Univ., Frederiksberg (Denmark). Section of Soil, Water and Plant Nutrition) | Sommer, S.G. | Ferm, M.

ammonia ammoniac nitrogen fertilizers abonos nitrogenados fumier/ methode engrais azote amoniaco farmyard manure/ methods estiercol/ metodos
Wageningen University & Research - Netherlands
Effects of acidic precipitation, fertilization and liming on the ground vegetation in coniferous forests of southern Germany

1992

Rodenkirchen, H. (Munich Univ. (Germany). Chair of Soil Science)

pinus sylvestris forests germany encalado nitrogen fertilizers liming engrais azote simulacion bryophyta/ acid rain vegetacion bryophyta/ lluvia acida bryophyta/ pluie acide ...
Wageningen University & Research - Netherlands
Geographic origin of Pinus sylvestris populations influences the effects of air pollution on flowering and growth

1992

Oleksyn, J. (Polish Academy of Sciences, Kornik (Poland). Inst. of Dendrology) | Chalupka, W. | Tjoelker, M.G. | Reich, P.B.

pinus sylvestris floraison growth poland crecimiento polonia industria de abonos/ polucion del aire organe reproducteur vegetal dioxido de azufre fertilizer industry/ air pollution industrie des engrais/ pollution atmospherique organos reproductores vegetales ...
Wageningen University & Research - Netherlands
Effects of genotype on the response of Populus tremuloides Michx. to ozone and nitrogen deposition

1992

Karnosky, D.F. (Michigan Technological Univ., Houghton, MI (USA). School of Forestry) | Gagnon, Z.E. | Reed, D.D. | Witter, J.A.

ozono growth michigan croissance air pollution ozone nitrogen/ genotypes azote/ genotype polucion del aire nitrogeno/ genotipos pollution atmospherique ...
Wageningen University & Research - Netherlands
Genetic implications in the decline of red spruce

1992

DeHayes, D.H. (Vermont Univ., Burlington, VT (USA). School of Natural Resources) | Hawley, G.J.

north america loci picea rubens facteur climatique locus climatic factors factores climaticos america del norte amerique du nord variation genetique/ pollution atmospherique variacion genetica/ polucion del aire genetic variation/ air pollution
Wageningen University & Research - Netherlands
In vitro aluminum effects on ectomycorrhizal fungi

1992

Zel, J. (Ljubljana Univ. (Yugoslavia). Inst. of Biology) | Blatnik, A. | Gogala, N.

mycorrhizae mycorhize aluminium/ experimentation in vitro aluminio/ experimentacion in vitro aluminium/ in vitro experimentation
Wageningen University & Research - Netherlands
The effects of wet deposition chemistry on reproductive processes in two pine species: apparent pollination effectiveness in relation to species pollen sensitivity

1992

Cox, R.M. (Forestry Canada Maritimes Region, Fredericton, N.B. (Canada). H.J.F. Forestry Centre)

acidity pinus strobus lead pollination pinus resinosa fertilidad reproduccion polinizacion cobre/ precipitacion atmosferica copper/ precipitation organe reproducteur vegetal cuivre/ precipitation ...
Wageningen University & Research - Netherlands
Response of Picea abies (L.) Karst. provenances to sulphur dioxide and aluminium: a pilot study

1992

Geburek, T. (Lakehead Univ., Thunder Bay, Ont. (Canada). School of Forestry) | Scholz, F.

growth crecimiento facteur du milieu discoloration environmental factors decoloration aluminium/ seedlings aluminio/ plantulas dioxido de azufre aluminium/ plantule decoloracion polucion del aire ...
Wageningen University & Research - Netherlands