Envisioning a sustainable agricultural water future across spatial scales

Envisioning a sustainable agricultural water future across spatial scales
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展望跨空间尺度的可持续农业用水未来

DOI:
10.1088/1748-9326/ace206
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发表时间:
2023
影响因子:
6.7
通讯作者:
Richter, Brian
Richter, Brian
中科院分区:
环境科学与生态学2区
文献类型:
--
作者:
Troy, Tara J.;Bowling, Laura C.;Jame, Sadia A.;Lee, Charlotte I.;Liu, Jing;Perry, Chris;Richter, Brian

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可持续的农业水系统对于确保繁荣的农业生产、保障水资源和支持可维持生计和福祉的健康生态系统至关重要。许多种植区以不可持续的方式用水,导致地下水和径流枯竭,水体受到污染。这通常是由全球消费者需求驱动的,环境和社会影响发生在远离作物最终消费的地区。这封信定义了可持续农业用水的数量和质量限制,将其与农业用水的影响联系起来,例如对生态系统,经济,人类健康和其他农民的影响。实施这些限制将对农业生产、粮食价格、生态系统和健康产生一系列积极和消极的影响。前进的道路是存在的,并根据现有的研究提出了建议,显示了从农场到全球规模可以取得的收益,以确保可持续的水系统,同时维持农业生产。
Sustainable agricultural water systems are critical to ensure prosperous agricultural production, secure water resources, and support healthy ecosystems that sustain livelihoods and well-being. Many growing regions are using water unsustainably, leading to groundwater and streamflow depletion and polluted water bodies. Often, this is driven by global consumer demands, with environmental and social impacts occurring in regions far from where the crop is ultimately consumed. This letter defines sustainable agricultural water limits, both for quantity and quality, tying them to the impacts of agricultural water use, such as impacts on ecosystems, economies, human health, and other farmers. Imposing these limits will have a range of both positive and negative impacts on agricultural production, food prices, ecosystems, and health. Pathways forward exist and are proposed based on existing studies, showing the gains that can be made from the farm to global scale to ensure sustainable water systems while sustaining agricultural production.
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