Assessing the performance of NDVI as a proxy for plant biomass using non-linear models: a case study on the Kerguelen archipelago

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Normalized difference vegetation index (NDVI) as a predictor of forage availability for ungulates in forest and field habitats (2013, background): “The strength of the relationship between NDVI and NPP is, however, spatio-temporally variable (Running 1990; Roy and Ravan 1996; Santin-Janin et al. 2009).”
The response of Arctic vegetation to the summer climate: relation between shrub cover, NDVI, surface albedo and temperature (2011, methodology): “NDVI is also found to be correlated with above-ground tundra biomass [9, 10] and has been adopted and applied as a proxy for leaf area index [11, 12] and net primary production OPEN ACCESS”
The Normalized Difference Vegetation Index (NDVI): unforeseen successes in animal ecology (2011, background): “Yet several recent studies have shown that NDVI could provide useful information even in sparsely vegetated areas: in the Kerguelen archipelago, Santin-Janin et al. (2009) demonstrated how NDVI correlates with ground-based measurements of plant biomass; in north-central Chile, De la Maza et al.…”