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Anadromous Fish Passage on the Bronx River

Anadromous Fish Passage on the Bronx River. Goals Establish a sustainable river herring population by installing fish passage over dams. Expand access to freshwater spawning habitat as a part of a regional effort restore river herring populations.

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Anadromous Fish Passage on the Bronx River

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  1. AnadromousFish Passage on the Bronx River • Goals • Establish a sustainable river herring population by installing fish passage over dams. • Expand access to freshwater spawning habitat as a part of a regional effort restore river herring populations. • Demonstrate and maximize the ecological health and social value of the Bronx River. Alewife American eel Marit Larson NYC Parks Natural Resources Group October 22, 2012 Blueback

  2. Stone Mill Dam Three dams on the river block access to freshwater spawning habitat in the Bronx. Zoo (Bolton) Dam 182nd St Dam

  3. Project History • Feasibiliy assessment (2003-2004) • Fish passage way 50% design (2005-2009) • Fish passage Final Design for 182nd St dam (Dec 2011) • Fish Stocking • 200 Alewife (2006) • 400 Alewife (2007) • DEC regulations prohibit beginning 2007; loophole in regulations may allow stocking after fish ladder is installed.

  4. 182nd Street Dam

  5. Bronx Zoo Double Dam, WCS (Bolton Dam) 100% design underway; fishway will be embedded in bedrock falls

  6. Stone Mill Dam, NYBG 100% design underway Fishway begins downstream and runs in a chute around the dam to avoid impacting National Historic Landmark.

  7. Next and Future Steps Permits: Seek permission to stock impoundment Seek Funding: ACE? Current/past funding: WCS/NOAA, NFWF, CT DEP, EPA/NEWPCC, NYSDOS, Bronx Borough President, U.S. FWS, In-kind match: CT DEP, USGS Conte Lab, SUNY ESF, Queens College Cost: ~$1.6 million/ dam Maintenance, Monitoring and Evaluation: Seek institutional, community and academic partners Expand extent and design: Upstream and dam removal

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