Riverine nitrogen footprint of agriculture in the Mississippi–Atchafalaya River Basin: do we trade water quality for crop production? Article Swipe
Chaoqun Lü
,
Jien Zhang
,
Bo Yi
,
Ignacio Calderón
,
Hongli Feng
,
Ruiqing Miao
,
David A. Hennessy
,
Shufen Pan
,
Hanqin Tian
·
YOU?
·
· 2023
· Open Access
·
· DOI: https://doi.org/10.1088/1748-9326/ad0128
YOU?
·
· 2023
· Open Access
·
· DOI: https://doi.org/10.1088/1748-9326/ad0128
Increasing food and biofuel demands have led to the cascading effects from cropland expansions, raised fertilizer use, to increased riverine nitrogen (N) loads. However, little is known about the current trade-off between riverine N pollution and crop production due to the lack of predictive understanding of ecological processes across the land-aquatic continuum. Here, we propose a riverine N footprint (RNF) concept to quantify how N loads change along with per unit crop production gain. Using data synthesis and a well-calibrated hydro-ecological model, we find that the RNF within the Mississippi–Atchafalaya River Basin peaked at 1.95 g N kg −1 grain during the 1990s, and then shifted from an increasing to a decreasing trend, reaching 0.65 g N kg −1 grain in the 2010s. This implies decoupled responses of crop production and N loads to key agricultural activities approximately after 2000, but this pattern varies considerably among sub-basins. Our study highlights the importance of developing a food–energy–water nexus indicator to examine the region-specific trade-offs between crop production and land-to-aquatic N loads for achieving nutrient mitigation goals while sustaining economic gains.
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- Type
- article
- Language
- en
- Landing Page
- https://doi.org/10.1088/1748-9326/ad0128
- OA Status
- gold
- Cited By
- 2
- References
- 58
- Related Works
- 10
- OpenAlex ID
- https://openalex.org/W4387421724
All OpenAlex metadata
Raw OpenAlex JSON
- OpenAlex ID
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https://openalex.org/W4387421724Canonical identifier for this work in OpenAlex
- DOI
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https://doi.org/10.1088/1748-9326/ad0128Digital Object Identifier
- Title
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Riverine nitrogen footprint of agriculture in the Mississippi–Atchafalaya River Basin: do we trade water quality for crop production?Work title
- Type
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articleOpenAlex work type
- Language
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enPrimary language
- Publication year
-
2023Year of publication
- Publication date
-
2023-10-07Full publication date if available
- Authors
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Chaoqun Lü, Jien Zhang, Bo Yi, Ignacio Calderón, Hongli Feng, Ruiqing Miao, David A. Hennessy, Shufen Pan, Hanqin TianList of authors in order
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https://doi.org/10.1088/1748-9326/ad0128Publisher landing page
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YesWhether a free full text is available
- OA status
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goldOpen access status per OpenAlex
- OA URL
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https://doi.org/10.1088/1748-9326/ad0128Direct OA link when available
- Concepts
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Environmental science, Agriculture, Water quality, Land use, Agricultural productivity, Agricultural land, Nutrient pollution, Nexus (standard), Water resource management, Hydrology (agriculture), Geography, Ecology, Geotechnical engineering, Biology, Computer science, Engineering, Archaeology, Embedded systemTop concepts (fields/topics) attached by OpenAlex
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2Total citation count in OpenAlex
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2025: 1, 2024: 1Per-year citation counts (last 5 years)
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10Other works algorithmically related by OpenAlex
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