Purify. Provide. Protect.
Salt and Brackish Marshes
Salt and brackish marshes cover Delaware’s coast from the upper margins of Delaware Bay south to the Inland Bays. Flooded twice daily by tidal waters carrying salt water from the ocean and bay, these habitats are strongly influenced by salinity - becoming less salty the further up bay, river and stream. Dense stands of Spartina grasses characterize the treeless landscape. A more varied flora and fauna can be found as the water becomes less salty.
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Scrub-Shrub Wetland |
Scrub-Shrub Wetlands
Scrub-shrub wetlands may occur as isolated wet thickets fed by seasonal high water tables (non-tidal situations) or in tidally-fed river bank areas along coastal waterways (e.g. Spring Creek, Cedar Creek, and the St. Jones, Murderkill and Broadkill Rivers). As the name implies, shrubs are prominent in the flora, including: buttonbush, red maple, black willow, smooth alder, marsh elder, high-tide bush, and others, the mix depending on the level of salinity influence.
Scrub-shrub wetlands help stabilize stream banks and provide cover for birds and other wildlife. Although not as strongly impacted by human activities as many other wetland habitats, certain scrub-shrub wetland subtypes (red maple/ash tidal swamps and smooth alder/silky dogwood swamps) are listed as habitats of special conservation concern in Delaware.
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What You Can Do to Help
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Wetland Benefits |
Quick Links |
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Simple changes at home:
• Reducing or eliminating use of fertilizers and pesticides • Never overwatering your lawn • Picking up pet waste • Using a mulching mower • Landscaping with native plants • Participating in local cleanup activities • Removing invasive plants • Installing a rain barrel • Adding a rain garden to your landscape • Reducing impervious surfaces (solid surfaces that water can not drain through) on your property
Check out our How You Can Help page! |

Scrub-shrub wetlands work to purify our drinking water. When sediments and pollutants run-off from agricultural lands and private properties, these wetlands work to absorb those pollutants and replenish our drinking water supply with fresh, clean water. |
Page 1: Salt Marshes
Page 2: Freshwater Tidal Marshes
Page 3: Scrub-Shrub Wetlands
Jump to Seasonal Freshwater Wetlands |