A spatially explicit representation of conservation agriculture for application in global change studies

Global Change Biology
Reinhard PrestelePeter H Verburg

Abstract

Conservation agriculture (CA) is widely promoted as a sustainable agricultural management strategy with the potential to alleviate some of the adverse effects of modern, industrial agriculture such as large-scale soil erosion, nutrient leaching and overexploitation of water resources. Moreover, agricultural land managed under CA is proposed to contribute to climate change mitigation and adaptation through reduced emission of greenhouse gases, increased solar radiation reflection, and the sustainable use of soil and water resources. Due to the lack of official reporting schemes, the amount of agricultural land managed under CA systems is uncertain and spatially explicit information about the distribution of CA required for various modeling studies is missing. Here, we present an approach to downscale present-day national-level estimates of CA to a 5 arcminute regular grid, based on multicriteria analysis. We provide a best estimate of CA distribution and an uncertainty range in the form of a low and high estimate of CA distribution, reflecting the inconsistency in CA definitions. We also design two scenarios of the potential future development of CA combining present-day data and an assessment of the potential for implementation...Continue Reading

References

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Citations

Jun 28, 2018·Global Change Biology·Annette L HirschPeter H Verburg
Nov 30, 2019·Global Change Biology·Reinhard Prestele, Peter H Verburg
Nov 17, 2020·Frontiers in Microbiology·Ansa PalojärviLaura Alakukku
Oct 13, 2021·Global Change Biology·Stephanie RoeDeborah Lawrence
Oct 16, 2021·Global Change Biology·Xin ZhaoHai-Lin Zhang

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