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Nemasket River Sustainable Fishery Management Plan for River Herring
Presented to the Shad and River Herring BoardOctober 25, 2016
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River Herring Monitoring in Massachusetts
• ~80 herring runs in MA
• 33 runs with counting
• 14 with ‘census’ level quality
• 8 runs with biological sampling
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Massachusetts River Herring20-year count index
0
500,000
1,000,000
1,500,000
2,000,000
2,500,000
1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015
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Nemasket River Herring Fishery
• Historic and cultural importance
• Largest area of spawning and nursery habitat in a coastal watershed in MA
• Stewardship of Herring Fishery Commission
• Annual Herring Run Festival
• 21 year run count data series
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Nemasket River Sustainable Fishery Plan
Sustainability Measure – ongoing spawning run visual count
Sustainability Target – harvest 10% of Time Series Mean (TSM)
Primary Action Threshold – 25th percentile of run count time series
- Reduce harvest to 5% of TSM with 2 consecutive years below threshold
- Close fishery with 3 consecutive years below threshold
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Nemasket River Herring Count: 1996-2015
0
100,000
200,000
300,000
400,000
500,000
600,000
700,000
800,000
900,000
1,000,000
1,100,000
1,200,000
1,300,000
1,400,000
1,500,000
1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015
N
Year
Pre - moratorium Post - moratorium
TSM
75% TSM
1st Q
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Nemasket River Herring Count: 1996-2015
0
100,000
200,000
300,000
400,000
500,000
600,000
700,000
800,000
900,000
1,000,000
1,100,000
1,200,000
1,300,000
1,400,000
1,500,000
1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015
N
Year
Pre - moratorium Post - moratorium
TSM
75% TSM
1st Q
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Nemasket River Herring Count: 1996-2016
0
100,000
200,000
300,000
400,000
500,000
600,000
700,000
800,000
900,000
1,000,000
1,100,000
1,200,000
1,300,000
1,400,000
1,500,000
1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016
N
Year
Pre - moratorium Post - moratorium
TSM
75% TSM
1st Q
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Nemasket River Harvest Management
Pre-Ban Management: open entire run for 4 days/week, 48 fish per permit /week, unlimited resident permits and 200-300 non-resident permits
Proposed Management: (10% of TSM = 55,967 fish)
Harvest Permits - unlimited for residents of Middleborough and Lakeville and 250 non-residents
Season - 5 week season
Bag Limit - 20 fish per permit / week
Trip Tickets - unique trip ticket required for possession of herring
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Expected Harvest
• Season & weekly limit/permit: 5 * 20 = 100 fish per permit holder for the season
• Expected permits: 900 (residents & non-residents)
• Maximum harvest under this scenario= 90,000 fish
• Assumed harvest rate of 50% of maximum potential harvest = 45,000 fish
• 10% of TSM = 55,967 fish
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Technical Committee Review / Recommendation
October 2 , 2016 conference call:
The reviewed SFMP offered 3 harvest management options that gave the Herring Commission a range of approaches for managing the fishery
The TC discussed the merits of the harvest options and requested a revised harvest management option that combined features of the 3 options to provide a conservative approach to avoid overharvest of the sustainability target
The TC approved the SFMP with the revised management option
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Shad and River HerringSustainable Fishery Management Plans
(SFMPs)
Presented to the Shad and River Herring BoardOctober 25, 2016
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Overview
Two types of SFMPs will be submitted in 2017 for Board review:
1. Same measures, new data: If a state decides to keep the existing measures, the report will be updated with recent data. The state will also detail in the executive summary how the existing sustainability measures have supported harvest without diminishing potential future stock reproduction and recruitment.
2. New measures, new data: A state will suggest new sustainability measures and/or harvest locations for the Board to review.
2
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River Herring SFMP
3
State Board Approval Date 2017 Board Review Date
Maine 11/2010 February
New Hampshire 3/2011; 3/2015 2020
Massachusetts 10/2016 2021
New York 11/2011 February
North Carolina 8/2010 May
South Carolina 8/2010 May
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Shad SFMP
4
State Board Approval Date 2017 Board Review Date
Connecticut 10/2012 May
Delaware River Basin
2/2012 February
PRFC 2/2012 May
North Carolina 5/2012 May
South Carolina 11/2011 May
Georgia 2/2012 May
Florida 11/2011 May
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Questions
5