Methods for measuring arctic and alpine shrub growth: a review

Isla Myers-Smith, Martin Hallinger, Daan Blok, Ute Sass-Klaassen, Shelly Rayback, Stef Weijers, Andrew Trant, Ken Tape, Adam Naito, Sonja Wipf, Christian Rixen, Melissa Dawes, Julia Wheeler, Agata Buchwal, Claudia Baittinger, Marc Macias-Fauria, Bruce Forbes, Esther Lévesque, Noémie Boulanger-Lapointe, Ilka BeilVirve Ravolainen, Martin Wilmking

74 Citationer (Scopus)

Abstract

Shrubs have increased in abundance and dominance in arctic and alpine regions in recent decades. This often dramatic change, likely due to climate warming, has the potential to alter both the structure and function of tundra ecosystems. The analysis of shrub growth is improving our understanding of tundra vegetation dynamics and environmental changes. However, dendrochronological methods developed for trees, need to be adapted for the morphology and growth eccentricity of shrubs. Here, we review current and developing methods to measure radial and axial growth, estimate age, and assess growth dynamics in relation to environmental variables. Recent advances in sampling methods, analysis and applications have improved our ability to investigate growth and recruitment dynamics of shrubs. However, to extrapolate findings to the biome scale, future dendroecologicalwork will require improved approaches that better address variation in growth within parts of the plant, among individuals
within populations and between species.
OriginalsprogEngelsk
TidsskriftEarth-Science Reviews
Vol/bind140
Sider (fra-til)1-13
Antal sider13
ISSN0012-8252
DOI
StatusUdgivet - 1 jan. 2015

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