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Testing the Feasibility of Using the ForSAFE-VEG Model to Map the Critical Load of Nitrogen to Protect Plant Biodiversity in the Rocky Mountains Region, USA

In English

Författare

  • Harald Sverdrup
  • Todd C. McDonnell
  • Timothy J. Sullivan
  • Bengt Nihlgård
  • Salim Belyazid
  • Beat Rihm
  • Ellen Porter
  • William D. Bowman
  • Linda Geiser

Summary, in English

The ForSAFE-VEG model was used to estimate atmospheric nitrogen deposition and climate effects on soil chemistry and ground vegetation in alpine and subalpine zones of the northern and central Rocky Mountains region in the USA from 1750 to 2500. Model simulations for a generalized site illustrated how the critical load of atmospheric nitrogen deposition could be estimated to protect plant biodiversity. The results appear reasonable compared with past model applications in northern Europe. Atmospheric N deposition critical loads estimated to protect plant biodiversity were 1 to 2 kg N/ha/year. This range could be greater, depending on the values selected for critical site-specific parameters (precipitation, temperature, soil chemistry, plant nutrient uptake, and any eventual harvest of biomass) and the amount of biodiversity change allowed.

Publiceringsår

2012

Språk

Engelska

Sidor

371-387

Publikation/Tidskrift/Serie

Water, Air and Soil Pollution

Volym

223

Issue

1

Dokumenttyp

Artikel i tidskrift

Förlag

Springer

Ämne

  • Chemical Engineering
  • Ecology

Nyckelord

  • Nitrogen
  • Climate
  • Eutrophication
  • Alpine
  • Vegetation

Status

Published

ISBN/ISSN/Övrigt

  • ISSN: 1573-2932