ORCID

0000-0003-3392-0316 (Turner)

Document Type

Article

Publication Date

2026

DOI

10.3389/fmars.2026.1821575

Publication Title

Frontiers in Marine Science

Volume

13

Pages

1821575 (8 pp.)

Abstract

Estuaries are vital ecosystems that support biodiversity, human populations, and economic activities such as fisheries, aquaculture, and tourism. Managing estuarine systems often involves interventions to regulate sediment and nutrient inputs with the goal of improving water quality, and subsequently the economic values of the estuary. However, these management strategies can produce unintended consequences. The Chesapeake Bay is an estuary recovering from eutrophication which provides clear case studies for these patterns. In the Chesapeake Bay, decreased sediment inputs, resulting from shoreline stabilization and watershed modifications, can impair marsh resilience to sea level rise and disrupt sediment-light-algal interactions affecting water clarity. Likewise, reductions in riverine nutrient inputs, while beneficial for mitigating eutrophication, may contribute to surface water acidification. These outcomes complicate assessments of restoration success. Throughout other estuaries’ recovery from historical nutrient and sediment pollution, similar patterns have been observed in several other estuarine systems worldwide. Effective long-term estuarine management requires integrating diverse monitoring approaches, adaptive decision-making, and ecosystem-based strategies to balance environmental and economic objectives. Understanding both the intended and unintended effects of management actions is crucial to ensuring sustainable outcomes along the non-linear path of recovery from eutrophication, including both nutrient and sediment pollution. Future efforts should prioritize holistic assessments, stakeholder involvement, and targeted modeling to guide effective estuarine conservation and restoration.

Rights

© 2026 Turner, Da and Mitchell.

This is an open-access article distributed under the terms of the Creative Commons Attribution 4.0 International License (CC BY 4.0). The use, distribution or reproduction in other forums is permitted, provided the original authors and the copyright owners are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

Data Availability

Article states: "Publicly available datasets were analyzed in this study. This data can be found here: https://doi.org/10.25773/rh56-4g63 (data shown in Figure 1) and https://doi.org/10.25773/6087-bj68 (data shown in Figure 2)."

Original Publication Citation

Turner, J. S., Da, F., & Mitchell, M. M. (2026). Unintended consequences of estuarine management within the trajectory of recovery: Examples from the Chesapeake Bay. Frontiers in Marine Science, 13, Article 1821575. https://doi.org/10.3389/fmars.2026.1821575

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