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Tundra in the Rain: Differential Vegetation Responses to Three Years of Experimentally Doubled Summer Precipitation in Siberian Shrub and Swedish Bog Tundra

Modelling Tundra Vegetation Response to Recent Arctic Warming

Linking Fine-Scale Sub-Arctic Vegetation Distribution in Complex Topography with Surface-Air-Temperature Modelled at 50-m Resolution

Future Distribution of Arctic Char Salvelinus alpinus in Sweden under Climate Change: Effects of Temperature, Lake Size and Species Interactions

Post Scriptum: Wider Perspectives and the Legacy

Year: 2012, Volume: 41, Issue: Suppl 2

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Modelling Tundra Vegetation Response to Recent Arctic Warming

Content Provider	PubMed Central
Author	Miller, Paul A. Smith, Benjamin
Abstract	The Arctic land area has warmed by >1 °C in the last 30 years and there is evidence that this has led to increased productivity and stature of tundra vegetation and reduced albedo, effecting a positive (amplifying) feedback to climate warming. We applied an individual-based dynamic vegetation model over the Arctic forced by observed climate and atmospheric CO2 for 1980–2006. Averaged over the study area, the model simulated increases in primary production and leaf area index, and an increasing representation of shrubs and trees in vegetation. The main underlying mechanism was a warming-driven increase in growing season length, enhancing the production of shrubs and trees to the detriment of shaded ground-level vegetation. The simulated vegetation changes were estimated to correspond to a 1.75 % decline in snow-season albedo. Implications for modelling future climate impacts on Arctic ecosystems and for the incorporation of biogeophysical feedback mechanisms in Arctic system models are discussed.
Related Links	http://dx.doi.org/10.1007/s13280-012-0306-1
Ending Page	291
Page Count	11
Starting Page	281
File Format	PDF
ISSN	00447447
e-ISSN	16547209
Journal	Ambio
Issue Number	Suppl 3
Volume Number	41
Language	English
Publisher	Springer Netherlands
Publisher Date	2012-07-01
Access Restriction	Open
Rights Holder	Springer Netherlands
Subject Keyword	Ecology Geography, Planning and Development Environmental Chemistry Research in Higher Education
Content Type	Text
Resource Type	Article
Subject	Geography, Planning and Development Ecology Environmental Chemistry Medicine

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