Fiona Hogan, NEFMC Staff Skate PDT Chair

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Fiona Hogan, NEFMC Staff Skate PDT Chair NEFMC Meeting September 27, 2017

Framework 5: Alternatives  

Specifications Barndoor skate possession limit

Skate Complex Biomass Indices 16

Survey Indices

8 4

Updated Survey Indices   

Increased indices for 2 of 7 species on 2015/16 Overfishing not occurring Overfished: thorny

10 8 6

Little Skate

4 2

Barndoor Skate 2

NEFSC Biomass Index (kg/tow)



Winter Skate

12

1

Thorny Skate

8 6 4 2

0.8 0.6

Smooth Skate

0.4 0.2

1.5

Clearnose Skate

1.0 0.5

0.12 0.10 0.08 0.06 0.04 0.02

Rosette Skate

1960

1965

1970

1975

1980

1985

1990

Year

1995

2000

2005

2010

2015

1.1.1 Specifications   

SSC approved in August MSY = 36,794 mt Key components   



Survey indices Discards Catch/biomass medians

AP recommended the updated specifications (Option 2) to be the preferred alternative

ACL = ABC 31,327 mt

Management Uncertainty

ACT = 75% of ACL 23,495 mt Projected Dead Discards (41%)

State Landings (4.4%)

TAL = ACT – Discards – State Landings 13,157 mt

Wing TAL e.g. 66.5% = 8,749 mt

Bait TAL e.g. 33.5% = 4,408 mt

1.1.1 Impacts 

Biological impacts  

Option 1 - low positive Option 2 – slightly low negative

0 200 400 600 800 1000 1200 1400 1600 1800 2000 2200 2400 2600 2800 3000 3200 3400 3600 3800 4000 4200 4400 4600 4800 5000 5200 5400 5600 5800 6000 6200 6400 6600 6800 7000 7200 7400 7600 7800 8000 8200 8400 8600 8800 9000 9200 9400 9600 9900

1.1.1 Impacts 2500

2000

1500

1

2

1000

500

0

1.1.1 Impacts FY 2016 Catch and Landings of Skates Compared to Management Specifications

Management Specification

Specification Amount

Catch/Landings (mt)

Percent Landed or Caught

ABC/ACL

31,081

24,549

79%

ACT (75% of ABC)

23,311

24,549

110%

Assumed Discards + State Landings

10,721

10,310

NA

TAL Bait

4,218

4,262

101%

8,268

98.8%

TAL Wings

8,372

Discards  

Adjusting discards for barndoor skate – unnecessary Current method to estimate landings and discards by species uses the length composition of the survey applied to the length composition of each portion of the catch – it’s contributing to landings already

Table 33 – Total and dead skate discards for calendar years 2012 - 2016 Year 2012 2013 2014

Total Discards (mt) 36,277 42,716 42,758

Dead Discards (mt) 10,270 12,093 12,673

2015 2016

37,894 33,271

10,417 10,436

1.1.1 Impacts 

EFH Impacts  



Option 1 – minor negative impacts Option 2 – minor negative impacts

Protected Resource Impacts  

Option 1 – low negative Option 2 – low negative

1.1.1 Impacts ACL, No Action:  Negative short-term: foregone revenues  Negative long-term: foregone revenues ACL, Revised, TAL triggered:  Low Negative short-term: revenue reduced  Low Positive long-term: higher TAL achieved ACL, Revised, TAL not triggered:  Low Positive short-term: revenue increased  Low Positive long-term: higher TAL achieved

1.1.1 Impacts FY2016 Skate complex price and landings by disposition Disposition

Live weight Revenue (pounds)

Average price per lb

Wing

20,208,324

4,312,553

$ 0.21

10,146,208

$1,120,241

$ 0.11

160,539

$70,129

$ 0.44

7,991

$15

$ 0.00

Bait Unknown Personal Use/No market/packing, only

1.1.1 Impacts ACL, No Action:  Negative short-term: foregone revenues  Negative long-term: foregone revenues ACL, Revised, TAL triggered:  Low Negative short-term: revenue reduced  Low Positive long-term: higher TAL achieved ACL, Revised, TAL not triggered:  Low Positive short-term: revenue increased  Low Positive long-term: higher TAL achieved

1.2.1 Alternatives   

 



Option 1 – No action Option 2 – 500 lb Option 3 – Proportional approach Option 4 – Mixed Option 5 – Discard restrictions

Options 3 and 5 recommended by the AP to be the preferred alternatives

Proportional approach

1.2.1 Impacts 

Biological Impacts     

Option 1 – positive for barndoor; neutral for skate complex Option 2 – Low negative for barndoor; low positive for skate complex Option 3 – negative for barndoor; low positive for skate complex Option 4 – negative for barndoor; low positive for skate complex Option 5 – low positive

Feedback on barndoor 

Landings  



Biological  



What about state landings? Higher limit in Season 2 Survey proportion Management and scientific uncertainty buffer

Monitoring 

Can we detect shifts onto barndoor

1.2.1 Impacts 

EFH Impacts     



Option 1 – low negative Option 2 – low negative Option 3 – low negative Option 4 – low negative Option 5 – low negative

Protected Resource Impacts 

Options 1 – 5 – low negative

1.2.1 Impacts Short run: Option: 1

Without Option 5 Neutral

Long run: With Option 5 N.A.

Without Option 5 Neutral

With Option 5 N.A.

2

MediumLow low positive positive

MediumLow low positive positive

3

Mediumhigh positive High positive

Mediumhigh positive Medium negative

4

Medium positive Mediumhigh positive

Medium positive Neutral

1.2.1 Impacts Short run:

Long run:

1

Neutral

Negative

2

Low positive

Low positive

3

Medium positive

Medium positive

4

High positive

Unknown

5

Neutral

Low positive

Option:

Limited Access YEAR 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017

Number of distinct skate permits 1968 2391 2632 2675 2685 2633 2574 2503 2326 2265 2202 2148 2084 2074 1919

Limited Access FYEAR 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 Total

Number of permits 807 747 757 708 574 584 594 586 549 572 550 567 527 455 452 440 415

SUM(SPPLIV LB) 28,687,769 27,574,209 27,044,193 35,642,997 33,841,051 31,618,607 32,768,904 42,636,697 39,368,647 40,395,958 31,751,580 40,003,340 31,881,532 30,065,547 33,672,850 31,426,230 29,322,293 567,702,404

SUM(SPPLND LB) 17,396,346 17,308,245 16,792,103 20,441,768 19,263,776 18,724,101 19,675,523 25,161,377 23,695,298 24,123,535 20,180,770 24,470,657 20,274,739 19,834,644 20,842,305 20,206,843 19,588,405 347,980,435

SUM(SPPVAL UE) 3,732,998 2,988,346 3,455,023 4,525,488 5,172,408 5,522,563 7,112,309 8,262,164 6,752,855 7,257,965 6,051,191 8,874,093 6,727,504 7,125,863 9,024,569 5,590,823 5,113,614 103,289,776

Skate Research 

Thorny Skate tagging studies 

Movement patterns and stock structure  





Satellite tags Floy tags

Discard mortality

Barndoor skate discard mortality 

SNE gillnet fishery 

Satellite tags

Timelines Framework 4

Framework 5

Amendment 5

Development

April – June 2017

July – Sept 2017

Oct 2017 - ?

Final Action

June 2017

Sept/Dec 2017

TBD

Preliminary Submission

August 25, 2017

Oct/Nov 2017

TBD

Final Submission

TBD

TBD

TBD