Figure

Effect on vegetation productivity: number of frost days

Figure Created 27 Feb 2020 Published 03 Mar 2020 Last modified 03 Mar 2020

1 min read

Topics: Land use Soil

The chart shows the effect of frost frequency variations on vegetation productivity, expressed in standard deviation units of vegetation productivity.

https://www.eea.europa.eu/data-and-maps/figures/effect-of-the-number-of/figure3a_effectoffrostdays-114318.eps/image_large

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Methodology:

Productivity time series 2000-2016 (one value per year) over pixels with significant (p < 0.1) productivity trends were regressed against a time series of the number of frost days, 2000-2016, yearly sums. Using the Corine Land Cover (CLC) 2000-2018 series, only those grid cells were considered in this analysis where the CLC layers indicated no land use change between 2000-2018.

The dependent productivity variable and the explanatory variable of frosty days frequency were normalised and detrended before the regression runs. Significance of the regression coefficient was measured as p < 0.1. Due to standardizing all variables results are presented in standardized regression coefficients that show the change in the dependent variable measured in standard deviations.

Rights:

EEA standard re-use policy: unless otherwise indicated, re-use of content on the EEA website for commercial or non-commercial purposes is permitted free of charge, provided that the source is acknowledged (https://www.eea.europa.eu/legal/copyright). Copyright holder: European Environment Agency (EEA).

Owners:

European Environment Agency (EEA)

Figure type:

Graph

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