Eco-Puncture: Wetland Design

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HISTORIC

CURRENT

Currently the edges of Harlem River are mostly created by landfill. The riprians are straight with mostly impervious pavements, which reduce the bio-diversity and speed up the water flow.

FUTURE

ECO - ISLANDS

THE TIDAL SALT MARSH

THE WETLAND A salt marsh is an environment in the upper coastal intertidal zone between land and salty or brackish water, is dominated by dense stands of halophytic (salt-tolerant) plants such as herbs, grasses, or low shrubs. These plants are terrestrial in origin and are essential to the stability of the salt marsh in trapping and binding sediments. Salt marshes play a large role in the aquatic food web and the exporting of nutrients to coastal waters. They also provide support to terrestrial animals such as migrating birds as well as providing coastal protection.

GRADE CHANGE -- SOFTEN THE EDGE A wetland is an area of land whose soil is saturated with moisture either permanently or seasonally. Such areas may also be covered partially or completely by shallow pools of water. Wetlands include swamps, marshes, and bogs. Wetlands are considered the most biologically diverse of all ecosystems. Plant life found in wetlands includes mangrove, water lilies, cattails, sedges, tamarack, black spruce, cypress, gum, and many others. Animal life includes many different amphibians, reptiles, birds, insects, and mammals.

Private Property

Breakwater

Riverbed

GABION DETAILS Private Property

Upland

High Marsh

1. SPEED OF WATERFLOW 2. CONCRETE RUBBLES

Low Marsh

Mud Flat

GABION NODES

Riverbed

THE INFLOW OF NUTRIENTS

GABIONS + RUBBLES

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