Results of the calibration model performance for each species and the variables measured in incubated earthworm casts (all dates) as assessed by the coefficient of determination of calibration (R2c), the Root Mean Square Error of Cross Validation (RMSECV), the number of factors of the PLS model.
journal contributionposted on 12.08.2020, 17:35 by Yamileth Domínguez-Haydar, Elena Velásquez, Anne Zangerlé, Patrick Lavelle, Silvia Gutiérrez-Eisman, Juan J. Jiménez
Analysis was performed with NIR spectra from 1,100 to 2,500 nm after Savitzky-Golay 2nd derivative transformation with 21 smoothing points (10, 10).
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ANOVATotal earthworm densitynon-macroaggregated soil0.31 mg kgbiogenic aggregatesfield biogenic aggregatesweight m -2PLS factorial planeCentral Pyrenees134.8 g m -2invertebrate biogenic aggregates63.5 g kgearthworm speciesBBNPLSR41.7 g m -2NIRS biogenic background noiseroot aggregatesIINIR spectra signalsNIR spectraNIR signalsfield aggregates