Dunes, Shingle & Machair

Nitrogen Deposition :: Dunes, Shingle & Machair

Pollutants: 

Effects and implications

  • These systems are adapted to low levels of mineral N availability: increasing the availability of N will threaten the competitive balance between species leading to changes in composition and loss of habitat species constants.
  • Speeds up succession through the chronosequence, movement between the dune stages.
  • Lichens and mosses are particularly sensitive both from direct effects associated with N accumulation and from shading as a consequence of increase growth of overstorey vegetation in response to N deposition
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