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1986

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Resultados 111-120 de 219

Growth decline in red spruce and balsam fir relative to natural processes

1986

Hornbeck, J.W. (Northeastern Forest Experiment Station USDA, Durham, NH (USA)) | Smith, R.B. | Federer, C.A.

picea rubens usa pluie acide pollution acid rain abies balsamea/ croissance contaminacion abies balsamea/ growth abies balsamea/ crecimiento lluvia acida etats-unis ...
Wageningen University & Research - Netherlands
The spatial and temporal variation of the sulphate to nitrate ratio in precipitation in eastern North America

1986

Summers, P.W. (Atmospheric Environment Service, Downsview, Ont. (Canada)) | Barrie, L.A.

precipitation sulfatos sulfate sulphates north america precipitacion atmosferica nitrates/ monitoring america del norte nitratos/ vigilancia amerique du nord nitrate/ surveillance
Wageningen University & Research - Netherlands
Trace elements distribution within the tree phytomass and forest floor of a tolerant hardwood stand, Algoma, Ontario

1986

Morrison, I.K. (Canadian Forestry Service, Sault Ste Marie, Ont. (Canada)) | Hogan, G.D.

biomasa acer saccharum biomass ontario biomasse betula/ oligoelement betula/ trace elements betula/ oligoelementos
Wageningen University & Research - Netherlands
Project Rain: changing acid deposition to whole catchments; the first year of treatment

1986

Wright, R.F. (Norwegian Inst. for Water Research, Oslo (Norway)) | Gjessing, E. | Christophersen, N. | Lotse, E. | Seip, H.M. | Semb, A. | Sletaune, B. | Storhaug, R. | Wedum, K.

suecia soil chemistry chimie du sol sweden contaminacion del aire/ escorrentia suede quimica del suelo pollution atmospherique/ ruissellement air pollution/ runoff
Wageningen University & Research - Netherlands
Atmospheric measurements on nitrogen dioxide with a sensitive luminol instrument

1986

Schiff, H.I. (Unisearch Associates Inc., Concord, Ont. (Canada)) | Mackay, G.I. | Castledine, C. | Harris, G.W. | Tran, Q.

ozone optical properties ozono air pollution measurement mesure dioxido de nitrogeno/ instrumentos propiedades opticas dioxyde d'azote/ instrument medicion propriete optique nitrogen dioxide/ instruments ...
Wageningen University & Research - Netherlands
In vivo buffering and concentration of simulated acid rain drops on leaves of selected crops

1986

Larsen, B.R. (Technical Univ. of Denmark, Lyngby (Denmark). Lab. of Environmental Sciences and Ecology)

plante de culture cultivos in vivo experimentation modelos crops models lluvia acida/ hojas acid rain/ leaves pluie acide/ feuille experimentacion in vivo experimentation in vivo ...
Wageningen University & Research - Netherlands
Regional pattern of acid deposition and forest decline along a cross section through Europe

1986

Hauhs, M. (Norwegian Inst. for Water Research, Oslo (Norway)) | Wright, R.F.

forest trees arbre forestier picea abies europe europa pluie acide/ acidification arboles forestales acid rain/ acidification lluvia acida/ acidificacion
Wageningen University & Research - Netherlands
The distribution of pollutants near a frontal surface: a comparison between field experiment and modelling

1986

Banic, C.M. (Atmospheric Environment Service, Downsview, Ont. (Canada)) | Isaac, G.A. | Cho, H.R. | Iribarne, J.V.

aerosol aerosols air pollution modelos aerosoles models contaminacion del aire masas de aire/ medicion masse d'air/ mesure air mass/ measurement pollution atmospherique ...
Wageningen University & Research - Netherlands
Lichen sulphur and lead levels in relation to deposition patterns in eastern Canada

1986

Zakshek, E.M. (Atmospheric Environment Service, Downsview, Ont. (Canada)) | Puckett, K.J. | Percy, K.E.

soufre plomo azufre lichen lichenes sulphur liquenes contaminacion del aire/ analisis quimico air pollution/ chemical analysis pollution atmospherique/ analyse chimique ...
Wageningen University & Research - Netherlands
Effects of air pollution on the chemistry of surface waxes of Scots pine

1986

Cape, J.N. (Institute of Terrestrial Ecology, Midlothian (UK))

feuille leaves pinus sylvestris hojas air pollution/ waxes contaminacion del aire/ ceras pollution atmospherique/ cire
Wageningen University & Research - Netherlands