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Barrier Prioritization in the Tributaries of the Hudson-Raritan Estuary

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Technical Report

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The Hudson-Raritan Estuary HRE Ecosystem Restoration Feasibility Study is a large multi-objective, watershed-scale ecosystem restoration initiative led by the U.S. Army Corps of Engineers USACE New York District in cooperation with its non-federal sponsors Port Authority of New York and New Jersey, State of New Jersey, New York City Department of Environmental Protection, and Westchester County Department of Planning. One study outcome was the development of a Comprehensive Restoration Plan CRP that serves as a master plan and blueprint for future restoration in the HRE. The CRPs goal is to develop a mosaic of habitats that provide the public with renewed and increased benefits from the estuary. In addition, the CRP provides the framework for an estuary-wide ecological restoration program by utilizing restoration targets Target Ecosystem Characteristics TECs developed by the regions stakeholders. One TEC focuses on restoring tributary environments and reconnecting rivers to coastal environments that benefit impacted or imperiled migratory fishes e.g., Alewife, blueback herring, Striped bass, American shad, and American eel. This technical note describes a procedure developed to prioritize removal of major migratory barriers, specifically dams. These methods are demonstrated in one of eight planning regions, the Harlem River, East River, and Western Long Island Sound Planning Region, where they were applied to prioritize potential barriers for removal over a range of costs.

Subject Categories:

  • Hydrology, Limnology and Potamology

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