Management strategies to minimize the dredging impacts of coastal development on fish and fisheries. Wenger, A. S., Rawson, C. A., Wilson, S., Newman, S. J., Travers, M. J., Atkinson, S., Browne, N., Clarke, D., Depczynski, M., Erftemeijer, P. L., Evans, R. D., Hobbs, J. A., McIlwain, J. L., McLean, D. L., Saunders, B. J., & Harvey, E. Conservation Letters, 11(5):e12572, 2018. _eprint: https://conbio.onlinelibrary.wiley.com/doi/pdf/10.1111/conl.12572![Management strategies to minimize the dredging impacts of coastal development on fish and fisheries [link]](https://bibbase.org/img/filetypes/link.svg "link")
Paper doi abstract bibtex Accelerating coastal development and shipping activities dictate that dredging operations will intensify, increasing potential impacts to fishes. Coastal fishes have high economic, ecological, and conservation significance and there is a need for evidence-based, quantitative guidelines on how to mitigate the impacts of dredging activities. We assess the potential risk from dredging to coastal fish and fisheries on a global scale. We then develop quantitative guidelines for two management strategies: threshold reference values and seasonal restrictions. Globally, threatened species and nearshore fisheries occur within close proximity to ports. We find that maintaining suspended sediment concentrations below 44 mg/L (15–121 bootstrapped CI) and for less than 24 hours would protect 95% of fishes from dredging-induced mortality. Implementation of seasonal restrictions during peak periods of reproduction and recruitment could further protect species from dredging impacts. This study details the first evidence-based defensible approach to minimize impacts to coastal fishes from dredging activities.
@article{wenger_management_2018,
title = {Management strategies to minimize the dredging impacts of coastal development on fish and fisheries},
volume = {11},
copyright = {© 2018 The Authors. Conservation Letters published by Wiley Periodicals, Inc.},
issn = {1755-263X},
url = {https://onlinelibrary.wiley.com/doi/abs/10.1111/conl.12572},
doi = {10.1111/conl.12572},
abstract = {Accelerating coastal development and shipping activities dictate that dredging operations will intensify, increasing potential impacts to fishes. Coastal fishes have high economic, ecological, and conservation significance and there is a need for evidence-based, quantitative guidelines on how to mitigate the impacts of dredging activities. We assess the potential risk from dredging to coastal fish and fisheries on a global scale. We then develop quantitative guidelines for two management strategies: threshold reference values and seasonal restrictions. Globally, threatened species and nearshore fisheries occur within close proximity to ports. We find that maintaining suspended sediment concentrations below 44 mg/L (15–121 bootstrapped CI) and for less than 24 hours would protect 95\% of fishes from dredging-induced mortality. Implementation of seasonal restrictions during peak periods of reproduction and recruitment could further protect species from dredging impacts. This study details the first evidence-based defensible approach to minimize impacts to coastal fishes from dredging activities.},
language = {en},
number = {5},
urldate = {2026-04-07},
journal = {Conservation Letters},
author = {Wenger, Amelia S. and Rawson, Christopher A. and Wilson, Shaun and Newman, Stephen J. and Travers, Michael J. and Atkinson, Scott and Browne, Nicola and Clarke, Douglas and Depczynski, Martial and Erftemeijer, Paul L.A. and Evans, Richard D. and Hobbs, Jean-Paul A. and McIlwain, Jennifer L. and McLean, Dianne L. and Saunders, Benjamin J. and Harvey, Euan},
year = {2018},
note = {\_eprint: https://conbio.onlinelibrary.wiley.com/doi/pdf/10.1111/conl.12572},
keywords = {coastal development, coastal fish, dredging, fisheries, integrated coastal zone management, marine conservation, ports, seasonal restrictions, suspended sediment, threshold reference values},
pages = {e12572},
}
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