Contact: Liza Lester
Ecological Society of America
Caption: A mosquito ditch draining a small pond in a Cape Cod salt marsh, at a healthy site in 2010. This ditch was constructed in the 1930s and has not widened since its construction, but has been colonized on both sides by Spartina alterniflora. This tall cordgrass traps sediment and builds new habitat, keeping the ditch narrow.
Credit: Tyler Coverdale
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Related news release: Depression-era drainage ditches emerge as sleeping threat to Cape Cod salt marshes