Climatic limit for agriculture in Brazil

Climatic limit for agriculture in Brazil
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巴西农业的气候限制

DOI:
10.1038/s41558-021-01214-3
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发表时间:
2021
影响因子:
30.7
通讯作者:
Coe, Michael T.
Coe, Michael T.
中科院分区:
地球科学1区
文献类型:
--
作者:
Rattis, Ludmila;Brando, Paulo M.;Macedo, Marcia N.;Spera, Stephanie A.;Castanho, Andrea D.;Marques, Eduardo Q.;Costa, Nathane Q.;Silverio, Divino V.;Coe, Michael T.

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巴西在大豆和玉米生产方面的领先地位取决于亚马逊-塞拉多农业前沿地区可预测的降雨量。在这里,我们评估该地区的农业扩张和集约化是否正在接近雨养生产的气候极限。我们的研究表明,在作物生长的早期阶段,降雨量异常少或高度干旱的年份,产量会下降——这种模式在雨养和灌溉区都可以观察到。尽管农业扩张和集约化随着时间的推移而增加,但干旱事件期间的干热天气减缓了其增长速度。最近的区域变暖和干旱已经使28%的现有农业用地脱离了其最佳气候空间。我们预计,到2030年,该地区51%的农业将移出该气候空间,到2060年将移出74%。尽管农艺适应战略可以减轻这些影响,但维持原生植被是稳定区域气候解决方案的关键部分。
Brazil’s leadership in soybean and maize production depends on predictable rainfall in the Amazon-Cerrado agricultural frontier. Here we assess whether agricultural expansion and intensification in the region are approaching a climatic limit to rainfed production. We show that yields decline in years with unusually low rainfall or high aridity during the early stages of crop development—a pattern observed in rainfed and irrigated areas alike. Although agricultural expansion and intensification have increased over time, dry–hot weather during drought events has slowed their rate of growth. Recent regional warming and drying already have pushed 28% of current agricultural lands out of their optimum climate space. We project that 51% of the region’s agriculture will move out of that climate space by 2030 and 74% by 2060. Although agronomic adaptation strategies may relieve some of these impacts, maintaining native vegetation is a critical part of the solution for stabilizing the regional climate.
DOI: 10.1002/fee.2124
发表时间: 2019-11-04
影响因子: 10.3
作者:
Costa, Marcos H.;Fleck, Leonardo C.;Soares-Filho, Britaldo S.
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ludmilarattis/气候对农业的影响:Rattis_etal_NCC_2021
DOI: 10.5281/zenodo.5363671
发表时间: 2021
期刊: Climate Dynamics
影响因子: 4.6
作者:
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DOI: 10.1038/s41893-020-0560-3
发表时间: 2020
影响因子: 27.6
作者:
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DOI: --
发表时间: 2014
期刊:
影响因子: --
作者:
S. Spera;A. Cohn;Leah K. Vanwey;J. Mustard;B. Rudorff;J. Risso;M. Adami
通讯作者: M. Adami
DOI: 10.1088/1748-9326/ab7394
发表时间: 2020-03-01
影响因子: 6.7
作者:
Castanho, Andrea D. A.;Coe, Michael T.;Andrade, Eunice M.
通讯作者: Andrade, Eunice M.