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1998

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Developmental instability in grayling (Thymallus thymallus) exposed to methylmercury during embryogenesis

1998

Voellestad, L.A. | Fjeld, E. | Haugen, T. | Oxnevad, S.A. (Division of Zoology, Department of Biology, University of Oslo, PO Box 1050, Blindern, N-0316 Oslo (Norway))

embryonic development thymallus thymallus thymallus pollutants methylmercury
Department for Environment, Food and Rural Affairs - United Kingdom
Agricultural nutrient balances as agri-environmental indicators: an OECD perspective

1998

Parris, K. (Directorate for Food, Agriculture and Fisheries, OECD, Paris (France))

oecd countries nitrogen fertilizers policies azote politique pays de l'ocde politicas polucion del aire engrais azote nutricion de las plantas metabolismo del nitrogeno sistemas de explotacion ...
Department for Environment, Food and Rural Affairs - United Kingdom
The monitoring of nitrogen surpluses from agriculture

1998

Eerdt, M.M. van | Fong, P.K.N. (Statistics Netherlands, Environmental Statistics, P.O. Box 4000, 2270 JM Voorburg (Netherlands))

oecd countries statistics azote vigilancia monitoring ammonia medicion modelos de simulacion pays bas controle continu modele de simulation aguas subterraneas ...
Department for Environment, Food and Rural Affairs - United Kingdom
Dispersion, deposition and impacts of atmospheric ammonia: quantifying local budgets and spatial variability

1998

Sutton, M.A. | Milford, C. | Dragosits, U. | Place, C.J. | Singles, R.J. | Smith, R.I. | Pitcairn, C.E.R. | Fowler, D. | Hill, J. | ApSimon, H.M. | Ross, C. | Hill, R. | Jarvis, S.C. | Pain, B.F. | Phillips, V.C. | Harrison, R. | Moss, D. | Webb, J. | Espenhahn, S.E. | Lee, D.S. | Hornung, M. | Ullyett, J. | Bull, K.R.

woodlands ammoniac ecosistema modelos ecosystems case studies polucion etude de cas ecosysteme estudios de casos practicos formacion boscosa foret claire ...
Department for Environment, Food and Rural Affairs - United Kingdom
Comparison of emissions of nitrogen and sulfur oxides to deposition of nitrate and sulfate in the USA by state in 1990

1998

Furiness, C. | Smith, L. | Ran, L. | Cowling, E. (North Carolina State University, College of Forest Resources, Raleigh, NC (USA))

soufre azufre precipitation oxyde d'azote azote sulphur dioxide oxidos de nitrogeno dioxido de azufre oxidos precipitacion atmosferica nitrogeno polucion ...
Department for Environment, Food and Rural Affairs - United Kingdom
Consequences of new scientific findings for future abatement of ammonia emissions

1998

Erisman, J.W. | Monteny, G.J. (ECN, P.O. Box 1, 1755 ZG Petten (Netherlands))

fertilizers azote agriculture intensive intensive farming ammonia plant production inyeccion en el suelo production vegetale produccion vegetal amoniaco explotacion agricola intensiva manures ...
Department for Environment, Food and Rural Affairs - United Kingdom
Making the link between science and policy: controlling N losses from agriculture in Canada

1998

Kimpe, C.R. de | MacDonald, K.B. (Agriculture and Agri-Food Canada, Sir John Carling Building, Ottawa, Ontario, K1A 0C5 (Canada))

ganado nitrogen cycle policies azote politique cycle de l'azote politicas manures perte des les sols nitrogeno betail ecosysteme ...
Department for Environment, Food and Rural Affairs - United Kingdom
Changes in tree ring chemistry in sugar maple (Acer saccharum) along an urban-rural gradient in southern Ontario

1998

Watmough, S.A. | Hutchinson, T.C. | Sager, E.P.S. (Environmental Resource Studies Program, Trent University, Peterborough, Ontario, K9J 7B8 (Canada))

woodlands acer saccharum rural areas urbanization chemistry trace elements ...
Department for Environment, Food and Rural Affairs - United Kingdom
Polychlorinated biphenyls in a rural watershed in the southern prairie region of Canada

1998

Rawn, D.F.K. | Halldorson, T.H.J. | Lawson, B.D. | Muir, D.C.G. (Department of Soil Science, University of Manitoba, Winnipeg, Manitoba, R3T 2N2 (Canada))

rivers precipitation losses air temperature gas exchange prairies dry deposition ...
Department for Environment, Food and Rural Affairs - United Kingdom
Release of metals from homogeneous soil columns by wastewater from an agricultural industry

1998

Madrid, L. | Diaz-Barrientos, E. (Instituto de Recursos Naturales y Agrobiologia de Sevilla (CSIC), Apartado 1052, E-41080 Sevilla (Spain))

sewage sludge solid wastes zinc copper beta vulgaris metals beta vulgaris var. saccharifera ...
Department for Environment, Food and Rural Affairs - United Kingdom