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Dynamic Management – NOAA Fisheries Right Whale Ship Strike Strategy

Dynamic Management – NOAA Fisheries Right Whale Ship Strike Strategy. Patricia Gerrior Northeast Region. Dynamic Management Areas (DMAs) 1998-2002 – Retrospective Analysis.

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Dynamic Management – NOAA Fisheries Right Whale Ship Strike Strategy

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  1. Dynamic Management– NOAA FisheriesRight Whale Ship Strike Strategy Patricia Gerrior Northeast Region

  2. Dynamic Management Areas (DMAs)1998-2002 – Retrospective Analysis • FromVessel Traffic-Management Scenarios Based on Recommended Measures to Reduce Ship Strikes of North Atlantic Right Whales–a report submitted to the NMFS Northeast Implementation Team by B. Russell, A. Knowlton & J.Beaudin Ring, December 2003 • Analysis of sightings from 1998 –2002 (& previous years)

  3. Trigger Events For DMA per Russell, Knowlton & Beaudin Ring, 2003) • Trigger Events : • 3 or more animals • 3 animals w/in 10 nm of each other • mother/calf pair w/in 15 nm of shipping lane • 2 or more animals closer than 10 nm to each other w/in shipping lane if resident or feeding • 1 or more animals in the Cape Cod Canal or any harbor area

  4. Russell, Knowlton& Beaudin Ring, 2003

  5. DMAs (Russell et al, 2003) • Circle with 15nm radius around periphery of sightings • 13 day duration • Addt’l sightings during the DMA in same area, period extended another 13 days

  6. Russell, Knowlton& Beaudin Ring, 2003

  7. 1998 • 4 retrospective DMAs (Boston TSS, GSC/TSS & Providence) • Boston TSS (1) 17 Feb – 2 Mar • Providence (2) 1 Apr – 4 May • GSC/TSS (1) 8 –21 April

  8. Russell, Knowlton& Beaudin Ring, 2003

  9. 1999 • 2 retrospective DMAs (GSC/TSS & Portland approach) • GSC/TSS (1) 1 – 14 April • Portland approach (1) 14 Apr – 2 May

  10. Russell, Knowlton& Beaudin Ring, 2003

  11. 2000 • 9 retrospective DMAs (Boston TSS, GSC/TSS , Portland app. & GOM) • Boston TSS (4) 29 Mar- 1Apr, 29Sept –6 Nov, 19 –31 Dec • GSC/TSS (2) 1-14 Jan , 1-19 April • Portland approach (1) 13 –26 Feb • GOM (2) 8-21 May, 20 June- 12 Jul

  12. Russell, Knowlton& Beaudin Ring, 2003

  13. 2001 • 9 retrospective DMAs (Boston TSS, GSC/TSS, Portland & GOM) • Boston TSS (3) 20 Mar - 1 Apr • GSC/TSS (2) 11-24 April, 19 May –1 June • Portland approach (2) 19 Jul – 1 Aug, 15 –29 Sept • GOM(2) 5 Sept – 20 Oct

  14. Russell, Knowlton& Beaudin Ring, 2003

  15. 2002 • 4 retrospective DMAs (Boston TSS &GSC/TSS) • Boston TSS (3) 17 Feb – 2 Mar • GSC/TSS (1) 5 –18 May

  16. Potential DMAs for Boston Based on 1998 –2002 Analysis (Russell et al, 2003) • Northern approach(GOM) – 16 nm for 16 days/yr • GSC/MA Bay approach – 27nm for 39 days/yr • Southern approach (to/from CCB) – none

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