Abstract

Editorial: Past land-use and land-cover change: the challenge of quantification at the subcontinental to global scales

Highlights

  • If the effects of past land use on environmental and societal processes and climate are to be quantified, the reconstructions of past land use and related land-cover change have to be more realistic than the model scenarios previously used

  • The first coordinated database of land-cover maps, at 50-year intervals, since 1700 CE for climate modeling studies was led by Leemans and collaborators, and discussed for the first time at a workshop organized by PAGES Biome 300 (Leemans et al 2000)

  • The latter was part of the PAGES HITE working group initiated by Frank Oldfield (Oldfield et al 2000), the first PAGES activity dealing with the human dimension of climate change

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Summary

Introduction

If the effects of past land use on environmental and societal processes and climate are to be quantified, the reconstructions of past land use and related land-cover change have to be more realistic than the model scenarios previously used. It is still a challenge, to quantify land-use change in the past and its effect on past environment through time and across space. The size and sign (warming or cooling) of the net effect of anthropogenic land-cover change on global and regional climate is, still a matter of debate (Strandberg et al 2014; Gaillard et al 2015).

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