Trait-based representation of hydrological functional properties of plants in weather and ecosystem models

Plant Diversity
Ashley M MathenyGil Bohrer

Abstract

Land surface models and dynamic global vegetation models typically represent vegetation through coarse plant functional type groupings based on leaf form, phenology, and bioclimatic limits. Although these groupings were both feasible and functional for early model generations, in light of the pace at which our knowledge of functional ecology, ecosystem demographics, and vegetation-climate feedbacks has advanced and the ever growing demand for enhanced model performance, these groupings have become antiquated and are identified as a key source of model uncertainty. The newest wave of model development is centered on shifting the vegetation paradigm away from plant functional types (PFTs) and towards flexible trait-based representations. These models seek to improve errors in ecosystem fluxes that result from information loss due to over-aggregation of dissimilar species into the same functional class. We advocate the importance of the inclusion of plant hydraulic trait representation within the new paradigm through a framework of the whole-plant hydraulic strategy. Plant hydraulic strategy is known to play a critical role in the regulation of stomatal conductance and thus transpiration and latent heat flux. It is typical that co...Continue Reading

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Citations

Jan 14, 2019·The New Phytologist·Maurizio MencucciniBradley Christoffersen
Jun 20, 2019·The New Phytologist·Maurizio MencucciniJordi Martínez-Vilalta
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Jun 27, 2019·Proceedings of the National Academy of Sciences of the United States of America·William R L AndereggSamuel E Tuttle
Sep 21, 2018·Nature·William R L AndereggNicole Zenes
Sep 3, 2019·The Science of the Total Environment·Pengcheng SunShuguang Liu

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Software Mentioned

LPJmL
SPOT4
MERIS
FIT
ExpertN
ED
CANVEG
ENVISTAT
VEGETATION
CLM

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