Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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    Shifts in national land use and food production in Great Britain after a climate tipping point
    Ritchie, Paul D.L. ; Smith, Greg S. ; Davis, Katrina J. ; Fezzi, Carlo ; Halleck-Vega, Solmaria ; Harper, Anna B. ; Boulton, Chris A. ; Binner, Amy R. ; Day, Brett H. ; Gallego-Sala, Angela V. ; Mecking, Jennifer V. ; Sitch, Stephen A. ; Lenton, Timothy M. ; Bateman, Ian J. - \ 2020
    Nature Food 1 (2020)1. - ISSN 2662-1355 - p. 76 - 83.
    Climate change is expected to impact agricultural land use. Steadily accumulating changes in temperature and water availability can alter the relative profitability of different farming activities and promote land-use changes. There is also potential for high-impact ‘climate tipping points’, where abrupt, nonlinear change in climate occurs, such as the potential collapse of the Atlantic Meridional Overturning Circulation (AMOC). Here, using data from Great Britain, we develop a methodology to analyse the impacts of a climate tipping point on land use and economic outcomes for agriculture. We show that economic and land-use impacts of such a tipping point are likely to include widespread cessation of arable farming with losses of agricultural output that are an order of magnitude larger than the impacts of climate change without an AMOC collapse. The agricultural effects of AMOC collapse could be ameliorated by technological adaptations such as widespread irrigation, but the amount of water required and the costs appear to be prohibitive in this instance.
    Large changes in Great Britain's vegetation and agricultural land-use predicted under unmitigated climate change
    Ritchie, P.D.L. ; Harper, Anna B. ; Smith, G.S. ; Kahana, R. ; Kendon, Elizabeth J. ; Lewis, Huw ; Fezzi, Carlo ; Halleck Vega, Sol Maria ; Boulton, C.A. ; Bateman, I.J. ; Lenton, T.M. - \ 2019
    Environmental Research Letters 14 (2019). - ISSN 1748-9326
    vegetation productivity - GB - arable production - unmitigated climate change - RCP8.5
    The impact of climate change on vegetation including agricultural production has been the focus of many studies. Climate change is expected to have heterogeneous effects across locations globally, and the diversity of land uses characterising Great Britain (GB) presents a unique opportunity to testmethods for assessing climate change effects and impacts. GB is a relatively cool and damp country, hence, the warmer and generally drier growing season conditions projected for the future are expected to increase arable production. Here we use state-of-the-art, kilometre-scale climate change scenarios to drive a land surface model (JULES; Joint UK Land Environment Simulator) and anECOnometricAGricultural land use model (ECO-AG). Under unmitigated climate change, by the end of the century, the growing season in GB is projected to get>5 °C warmer and 140 mm drier on average. Rising levels of atmospheric CO2 are predicted to counteract the generally negative impacts of climate change on vegetation productivity in JULES. Given sufficient precipitation, warming favours higher value arable production over grassland agriculture, causing a predicted westward expansion of arable farming in ECO-AG. However, drying in the East and Southeast, without any CO2 fertilisation effect, is severe enough to cause a predicted reversion from arable to grassland farming. Irrigation, if implemented, could maintain this land in arable production. However, the predicted irrigation demand of ∼200 mm (per growing season) in many locations is comparable to annual predicted runoff, potentially demanding large-scale redistribution of water between seasons and/or across the country. The strength of the CO2 fertilisation effect emerges as a crucial uncertainty in projecting the impact of climate change on GB vegetation, especially farming land-use decisions.
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