The relative sensitivity of ecosystems in Europe to the indirect effects of acidic depositions.

摘要: The need for sulfur and nitrogen emission abatement in Europe has been established, several strategies have used or conceived order to accomplish this. Strategies based on flat rate reductions (“30 per cent club”), varying percentage different countries by the implementation of best available technology. Much effort recently concentrated derivation ecologically target deposition levels worked out from critical load estimates ecosystems. These targets are goals may be cost-effective which abate emissions with reference sensitivity receptor regions. relative ecosystems acidic dividing a limited number variables controlling site (bedrock lithology, soil type, land use, rainfall) into small categories combining them using weights. resulting distribution five classes is shown. With specific sites, applied classes. 20 keq H+ km−2yr−1 most sensitive Due complex cycling within ecosystem, modifications carried incorporate acidifying effect deposition. It necessary work degree deposited nitrate leaches sites method suggested plant uptake factors affecting drainage, mineralization, nitrification denitrification.