Toward a transdisciplinary and unifying definition of legacy phosphorus.

IF 2.2 4区环境科学与生态学 Q3 ENVIRONMENTAL SCIENCES

Journal of environmental quality Pub Date : 2024-12-08 DOI:10.1002/jeq2.20659

Amy L Shober, Zachary P Simpson, Helen P Jarvie, Merrin L Macrae, Peter J A Kleinman, Philip M Haygarth, Stephanie Kulesza, Luke Gatiboni, Jenny Davies

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引用次数: 0

Abstract

Legacy phosphorus (P) is a concept advanced by Dr. Andrew Sharpley and colleagues that was originally applied to the persistence of anthropogenic signatures in watersheds, and it has since been adopted in a diversity of settings to help guide the science and management of P. Following Sharpley's example to develop consensus-based science, we considered contrasting perspectives on legacy P and defined legacy P as those stores within the environment that arise from historic human activity excluding "natural" or "background" geogenic sources. Legacy P is not restricted to one system or setting; it may reside in soils, sediments, biota, and water bodies. Legacy P has been estimated by fluxes (inputs minus outputs of P to a system) or, equivalently, by mass stocks (total minus geogenic). Because the origin of P in the environment cannot currently be directly quantified, we recommend that researchers report "total P" to track wider watershed P stocks and fluxes of P that include legacy P. We recognize that the definition of legacy P will continue to evolve as we continue to work toward consensus. Ultimately, the final definition of legacy P has consequences for the implementation and success of regulatory and voluntary strategies for legacy P management in agricultural systems. We support continued progress toward a consensus-backed, research-grounded definition for legacy P that is widely applicable yet useful for guiding management and policy.

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对遗留磷的跨学科和统一定义。

遗产磷(P)是Andrew Sharpley博士和他的同事提出的一个概念，最初应用于流域中人为特征的持久性，并已在各种环境中被采用，以帮助指导P的科学和管理。我们考虑了对遗留P的不同观点，并将遗留P定义为环境中由历史人类活动产生的存储，不包括“自然”或“背景”地质来源。Legacy P并不局限于一个系统或设置；它可能存在于土壤、沉积物、生物群和水体中。遗留P已通过通量（系统的输入减去输出P）或同等地，通过大量库存（总减去地质）来估计。由于环境中磷的来源目前无法直接量化，我们建议研究人员报告“总磷”，以跟踪更广泛的流域磷储量和包括遗留磷的磷通量。我们认识到，随着我们继续努力达成共识，遗留磷的定义将继续发展。最终，遗留磷的最终定义对农业系统遗留磷管理的监管和自愿战略的实施和成功产生影响。我们支持继续朝着共识支持的、基于研究的遗留P定义前进，这一定义广泛适用，但对指导管理和政策有用。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Journal of environmental quality 环境科学-环境科学

CiteScore

4.90

自引率

8.30%

发文量

123

审稿时长

3 months

期刊介绍： Articles in JEQ cover various aspects of anthropogenic impacts on the environment, including agricultural, terrestrial, atmospheric, and aquatic systems, with emphasis on the understanding of underlying processes. To be acceptable for consideration in JEQ, a manuscript must make a significant contribution to the advancement of knowledge or toward a better understanding of existing concepts. The study should define principles of broad applicability, be related to problems over a sizable geographic area, or be of potential interest to a representative number of scientists. Emphasis is given to the understanding of underlying processes rather than to monitoring. Contributions are accepted from all disciplines for consideration by the editorial board. Manuscripts may be volunteered, invited, or coordinated as a special section or symposium.