The legacy effects of mosquito ditching have made salt marshes more vulnerable to flooding impacts from climate change, presenting management challenges in New England where the majority of salt marshes have been ditched and greater rates of sea level rise and storm events are being observed. One legacy effect of mosquito ditching appears to be subsidence of the marsh, with greater effects near the ditches and extending into the marsh plain. We found an average of 9 cm subsidence midway between ditches that averaged 14 m apart. Ditch Remediation is a new approach to filling ditches that uses existing hydrology and vegetation to mend ditches from the bottom up to restore marsh plain elevations. Smaller, auxiliary ditches are selected for treatment. Hay is mown, allowed to dry, and rolled into the treatment ditch where it is held using twine. Nine ditches in four areas were treated in fall 2014 and 2015. Depth of treated ditches decreased an average of 18 cm by fall 2017, and Spartina alterniflora colonized the ditch centers (plant cover and stem density increased). It is unknown whether the trajectory of filling and revegetation of the ditches will continue on their own or if the reduction in drainage depth will stimulate marsh plain building. Ditch remediation could remove excessive drainage effects of half the ditches, thereby approaching an optimal drainage density that may allow tidal marshes to rebuild elevation. This simple and inexpensive technique to reduce ditch impacts should be considered by partnerships that include mosquito control agencies.
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Adamowicz, S.C., and C.T. Roman. 2005. New England salt marsh pools: a quantitative analysis of geomorphic and geographic features. Wetlands 25: 279–288.
Adamowicz, S.C., C.T. Roman, G. Taylor, K.M. O’Brien, and M.J. James-Pirri. 2004. Initial ecosystem response of salt marshes to ditch plugging and pool creation (Maine). Ecological Restoration 22: 53–54.
American Farmer. 1820. The draining of marshes. American Farmer: 243–245.
Benvenuti, B., J. Walsh, K.M. O’Brien, and A.I. Kovach. 2018. Plasticity in nesting adaptations of a tidal marsh endemic bird. Ecology and Evolution 8 (22): 10780–10793.
Bourn, W. S., and C. Cottam. 1950. Some biological effects of ditching tidewater marshes. Research Report 19. Fish and Wildlife Service, U.S. Dept. of Interior, Washington, DC.
Britton, W. E., and B. H. Walden. 1916. Anti-mosquito work in Connecticut in 1916. Fortieth Annual Report of the Connecticut Agricultural Experiment Station. State of Connecticut Public Document No. 24: 126-137.
Bromberg, K.D., and M.D. Bertness. 2005. Reconstructing New England salt marsh losses using historical maps. Estuaries 28: 823–832.
Bromberg Gedan, K., and B. R. Silliman. 2009. Patterns of salt marsh loss within regions of North America. In Human Impacts to Salt Marshes: A Global Perspective. ed. B. R. Silliman, et. al., 253-265. Berkeley: University of California Press.
Buchsbaum, R.N., L.A. Deegan, J. Horowitz, R.H. Garritt, A.E. Giblin, J.P. Ludlum, and D.H. Shull. 2006. Effects of regular salt marsh haying on marsh plant, algae, invertebrates and birds at Plum Island Sound, Massachusetts. Wetlands Ecology and Management 17: 469–487.
Clift, W. 1862. Salt Marshes. The mode of reclaiming them and their value. In Report of the Commissioner of Patents for the Year 1861. 343-358. Washington: Government Printing Office.
Corkran, W. S. 1938. New developments in mosquito control in Delaware. New Jersey Mosquito Extermination Association. Proceedings of the Twenty-fifth Annual Meeting: 130-137.
Corman, S.S., C.T. Roman, J.W. King, and P.G. Appleby. 2012. Salt marsh mosquito-control ditches: Sedimentation, landscape change, and restoration implications. Journal of Coastal Research 28: 874–880.
Costanza, R., O. Perez-Maqueo, M.L. Martinez, P. Sutton, S.J. Anderson, and K. Mulder. 2008. The value of coastal wetlands for hurricane protection. AMBIO 37: 241–248.
Cottam, C. 1938. The coordination of mosquito control with wildlife conservation. New Jersey Mosquito Extermination Association. Proceedings of the Twenty-fifth Annual Meeting: 217-227.
Crain, C.M., K.B. Geden, and M. Dionne. 2009. Tidal restrictions and mosquito ditching in New England marshes. In Human Impacts on Salt Marshes: A Global Perspective, ed. B.R. Silliman et al., 149–169. Berkley: University of California Press.
DiQuinzio, D., P.W.C. Paton, and W.R. Eddleman. 2002. Nesting ecology of saltmarsh sharp-tailed sparrows in a tidally restricted salt marsh. Wetlands 22: 179–185.
Field, C.R., T.S. Bayard, C. Gjerdrum, J.M. Hill, S. Meiman, C.S. Elphick. 2017. High-resolution tide projections reveal extinction threshold in response to sea-level rise. Global Change Biology 23(5):2058–2070.
Goddard, P.B., Y. Jianjun, S.M. Griffies, and S. Zhang. 2015. An extreme event of sea level rise along the Northeast coast of North America in 2009-2010. Nature Communications 6: 3646. https://doi.org/10.1038/ncomms7346.
Hawes, E. 1986. Land reclamation in the New England salt marsh. In: Proceedings of the Dublin Seminar for New England Folklife. Boston: Boston University.
Headlee, T. J. 1939. Relation of mosquito control to wildlife. New Jersey Mosquito Extermination Association. Proceedings of the Twenty-sixth Annual Meeting: 5-12.
Howes, B.L., J.W.H. Dacey, J.M. Teal, and D.D. Goehringer. 1986. Factors controlling the growth form of Spartina alterniflora: feedbacks between above-ground production, sediment oxidation, nitrogen and salinity. Journal of Ecology 74: 881–898.
IPCC. 2014. Climate Change 2014: synthesis report. Contribution of Working Groups I, II and III to the Fifth Assessment Report of the Intergovernmental Panel on Climate Change, ed. R. K. Pachauri and L. A. Meyer, Geneva, Switzerland: IPCC.
James-Pirri, M.J., R.M. Erwin, D.J. Prosser, and J. Taylor. 2011. Responses of salt marsh ecosystems to mosquito control management practices along the Atlantic Coast (U.S.A.). Restoration Ecology 20: 395–404.
LeMay, L.E. 2007. The impact of drainage ditches on salt marsh flow patterns, sedimentation and morphology: Rowley River. The College of William and Mary, Williamsburg, Virginia, USA: Massachusetts. Thesis.
Lyons, J.E., M.C. Runge, H.P. Laskowski, and W.L. Kendall. 2008. Monitoring in the context of structured decision-making and adaptive management. The Journal of Wildlife Management 72: 1683–1692.
Millette, T.L., B.A. Argow, E. Marcano, C. Hayward, C.S. Hopkinson, and V. Valentine. 2010. Salt marsh geomorphological analyses via integration of multitemporal multispectral remote sensing with LIDAR and GIS. Journal of Coastal Research 26: 809–816.
Morris, J.T., P.V. Sundareshwar, C.T. Nietch, B. Kjerfve, and D.R. Cahoon. 2002. Responses of coastal wetlands to rising sea level. Ecology 83: 2869–2877.
Nicholls, R.J., and A. Cazenave. 2010. Sea-level rise and its impact on coastal zones. Science 328 (5985): 1517–1520. https://doi.org/10.1126/science.1185782.
Nyman, J.A., R.J. Walters, R.D. DeLaune, and W.H. Patrick Jr. 2006. Marsh vertical accretion via vegetative growth. Estuarine, Coastal and Shelf Science 69: 370–380.
Raposa, K.B., M.L. Cole Ekberg, D.M. Burdick, N.T. Ernst, and S.C. Adamowicz. 2016. Elevation change and the vulnerability of Rhode Island (USA) salt marshes to sea-level rise. Regional Environmental Change 17 (2): 389–397. https://doi.org/10.1007/s10113-016-1020-5.
Riepe, D. 2010. Open marsh water management: Impacts on tidal wetlands. Torrey Botanical Society 26: 80–101.
Rochlin, I., M.-J. James-Pirri, S.C. Adamowicz, M.E. Dempsey, T. Iwanejko, and D.V. Ninivaggi. 2012. The effects of integrated marsh management (IMM) on salt marsh vegetation, nekton, and birds. Estuaries and Coasts 35: 727–742.
Roman, C.T., and D.M. Burdick, eds. 2012. Tidal marsh restoration: a synthesis of science and practice. Washington: Island Press.
Sebold, K.R. 1992. From marsh to farm: the landscape transformation of coastal New Jersey. US Department of the Interior: Historic American Buildings Survey/Historic American Engineering Record, National Park Service.
Stearns, L. A., D. MacCreay, and F. C. Daigh. 1940. Effect of ditching for mosquito control on the muskrat population of a Delaware tidewater marsh. Delaware University Agriculture Experiment Station Bulletin.
Teal, J.M., and L. Weishar. 2005. Ecological engineering, adaptive management, and restoration management in Delaware Bay salt marsh restoration. Ecological Engineering 25: 304–314.
Tonjes, D.J. 2013. Impacts from ditching salt marshes in the mid-Atlantic and northeastern United States. Environmental Reviews 21: 116–126.
Turner, R.E., and R.R. Lewis III. 1997. Hydrologic restoration of coastal wetlands. Wetlands Ecology and Management 4: 65–72.
Urner, C. A. 1935. Relation of mosquito control in New Jersey to bird life of the salt marshes. New Jersey Mosquito Extermination Association. Proceedings of the Twenty-second annual meeting: 130-136.
Vincent, R.E., D.M. Burdick, and M. Dionne. 2013. Ditching and ditch-plugging in New England salt marshes: effects on hydrology, elevation and soil characteristics. Estuaries and Coasts 36 (3): 610–625. https://doi.org/10.1007/s12237-012-9583-y.
Vincent, R.E., D.M. Burdick, and M. Dionne. 2014. Ditching and ditch-plugging in New England salt marshes: effects on plant communities and self maintenance. Estuaries and Coasts 37 (2): 354–368. https://doi.org/10.1007/s12237-013-9671-7.
Warren, R.S., and W.A. Niering. 1993. Vegetation change on a northeast tidal marsh: interaction of sea-level rise and marsh accretion. Ecology 74: 96–103.
Wilson, C.A., Z.J. Hughes, D.M. FitzGerald, C.S. Hopkinson, V. Valentine, and A. Kolker. 2014. Saltmarsh pool and tidal creek morphodynamics: dynamic equilibrium of northern latitude salt marshes? Geomorphology 213: 99–115.
Wolfe, R.J. 1996. Effects of open marsh water management on selected tidal marsh resources: a review. Journal of the American Mosquito Control Association 12 (4): 701–712.
We thank Nancy Pau of the Parker River NWR for helping with siting, logistics, and permitting. The Town of Rowley graciously encouraged the work to conserve their marshes. Field work was ably assisted by Devin Batchelder. The research was supported by Hurricane Sandy funds [DOI FWS/R5/CGS #F14AP00522 and DOI FWS/R5/CGS #F15 AC01066] administered through the USFWS and PRNWR. This is publication number 572 of the Jackson Estuarine Laboratory, University of New Hampshire.
Communicated by R. Scott Warren
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Burdick, D.M., Moore, G.E., Adamowicz, S.C. et al. Mitigating the Legacy Effects of Ditching in a New England Salt Marsh. Estuaries and Coasts (2019). https://doi.org/10.1007/s12237-019-00656-5
- Ditch remediation
- Cordgrass colonization