I recently finished a set of broad studies throughout the Salish Sea on the impacts of shoreline armoring on the biology and geomorphology of beaches.  While that work is completed and published, we are now exploring the reverse question; how well do beach functions recover when restoration projects remove armoring and/or add sediment to ‘renourish’ beaches?  This work is funded by Sea Grant and by the Estuarine and Salmon Recovery Program, and is done in collaboration with researchers at the UW School of Aquatic and Fishery Sciences.

A Few Relevant Publications:
Dethier, M.N. 2010. Overview of the Ecology of Puget Sound Beaches. In: Shipman, H., Dethier, M.N., Gelfenbaum, G., Fresh, K.L. and Dinicola, R.S. (editors), 2010, Puget Sound Shorelines and the Impacts of Armoring—Proceedings of a State of the Science
Workshop: U.S. Geological Survey Scientific Investigations Report 2010–5254, 260 p.
Heerhartz, S.M., M. N. Dethier, J. D. Toft, J. R. Cordell, and A. S. Ogston. 2014. Effects of shoreline armoring on beach wrack subsidies to the nearshore ecotone in an estuarine fjord. Estuaries and Coasts 37:1256-1268.
Heerhartz, S.M., Jason D. Toft, Jeffery R. Cordell, Andrea S. Ogston, Megan N. Dethier. 2016. Shoreline armoring in an estuary constrains wrack-associated invertebrate communities. Estuaries and Coasts 39: 171-188.
Dethier, M.N., W.W. Raymond, A. McBride, J. Toft, J. Cordell, A. Ogston, S. Heerhartz, and H. Berry. 2016. Multiscale impacts of armoring on Salish Sea shorelines: evidence for threshold and cumulative effects. Estuarine, Coastal, and Shelf Science 175:106-117.

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