خيارات البحث
النتائج 221 - 230 من 314
An analysis of the structure of the simple mass balance equation: implications for testing national critical loads maps
1999
Kennedy, F. (Forest Research, Farnham (UK))
Soil acidification and defoliation of Norway spruce in western Finland
1999
Derome, J. (Finnish Forest Research Inst., Rovaniemi (Finland))
Effects from three years of simulated N deposition on growth and N uptake in boreal understorey plants
1999
Nordin, A. | Strengbom, J. | Ericson, L. | Naesholm, T.
Key elements for lake ecological assessment: Latvian experience [45 lakes]
1999
Poikane, S. | Licite, V. (Latvian Environment Data Centre, Jurmala (Latvia))
GANE: the UK Global Nitrogen Enrichment Programme
1999
Davison, A.
Critical loads for forest soils in Wallonia, south Belgium
1999
Bosman, B. | Carnol, M. | Remacle, J. (Liege Univ. (Belgium))
Acid deposition affects the forest canopy internal circulation of nutrient
1999
Kubiznakova, J. (Czech Academy of Sciences, Prague (Czech Republic))
Aluminum biogeochemistry in two Czech catchments with contrasting lithology subject to chronic acidic deposition
1999
Kram, P. | Hruska, J. (Czech Geological Survey, Prague (Czech Republic)) | Driscoll, C.T. | Johnson, C.E.
Can the division sum (Ca + K + Mg divided by Al) ratio be used as a predictive tool for estimating forest damages?
1999
Goeransson, A. (SLU, Uppsala (Sweden))
Selecting chemical criteria for critical loads of acidity in maritime regions
1999
Aherne, J. (Belfield Univ., Dublin (Ireland)) | Farrell, E:P. | Hall, J. | Reynolds, B. | Horning, M.