Assessing temperature-based adaptation limits to climate change of temperate perennial fruit crops

© 2023 John Wiley & Sons Ltd.

Bibliographische Detailangaben
Veröffentlicht in:Global change biology. - 1999. - 29(2023), 9 vom: 18. Mai, Seite 2557-2571
1. Verfasser: Meza, Francisco (VerfasserIn)
Weitere Verfasser: Darbyshire, Rebecca, Farrell, Aidan, Lakso, Alan, Lawson, James, Meinke, Holger, Nelson, Gerald, Stockle, Claudio
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2023
Zugriff auf das übergeordnete Werk:Global change biology
Schlagworte:Journal Article chilling requirements climate change adaptation growing degree days limits to adaptation temperate Fruit trees
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520 |a Temperate perennial fruit and nut trees play varying roles in world food diversity-providing edible oils and micronutrient, energy, and protein dense foods. In addition, perennials reuse significant amounts of biomass each year providing a unique resilience. But they also have a unique sensitivity to seasonal temperatures, requiring a period of dormancy for successful growing season production. This paper takes a global view of five temperate tree fruit crops-apples, cherries, almonds, olives, and grapes-and assesses the effects of future temperature changes on thermal suitability. It uses climate data from five earth system models for two CMIP6 climate scenarios and temperature-related indices of stress to indicate potential future areas where crops cannot be grown and highlight potential new suitable regions. The loss of currently suitable areas and new additions in new locations varies by scenario. In the southern hemisphere (SH), end-century (2081-2100) suitable areas under the SSP 5-8.5 scenario decline by more than 40% compared to a recent historical period (1991-2010). In the northern hemisphere (NH) suitability increases by 20% to almost 60%. With SSP1-2.6, however, the changes are much smaller with SH area declining by about 25% and NH increasing by about 10%. The results suggest substantial restructuring of global production for these crops. Essentially, climate change shifts temperature-suitable locations toward higher latitudes. In the SH, most of the historically suitable areas were already at the southern end of the landmass limiting opportunities for adaptation. If breeding efforts can bring chilling requirements for the major cultivars closer to that currently seen in some cultivars, suitable areas at the end of the century are greater, but higher summer temperatures offset the extent. The high value of fruit crops provides adaptation opportunities such as cultivar selection, canopy cooling using sprinklers, shade netting, and precision irrigation 
650 4 |a Journal Article 
650 4 |a chilling requirements 
650 4 |a climate change adaptation 
650 4 |a growing degree days 
650 4 |a limits to adaptation 
650 4 |a temperate Fruit trees 
700 1 |a Darbyshire, Rebecca  |e verfasserin  |4 aut 
700 1 |a Farrell, Aidan  |e verfasserin  |4 aut 
700 1 |a Lakso, Alan  |e verfasserin  |4 aut 
700 1 |a Lawson, James  |e verfasserin  |4 aut 
700 1 |a Meinke, Holger  |e verfasserin  |4 aut 
700 1 |a Nelson, Gerald  |e verfasserin  |4 aut 
700 1 |a Stockle, Claudio  |e verfasserin  |4 aut 
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773 1 8 |g volume:29  |g year:2023  |g number:9  |g day:18  |g month:05  |g pages:2557-2571 
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