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Stock Assessment Graphs
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Blonde ray (Raja brachyura) in divisions 4.c and 7.d (southern North Sea and eastern English Channel)
Species:
Stock Assessment Graphs
Stock code:
rjh.27.4c7d
Assessment Year:
2017
Key:
9056
Unit weights
tonnes
Unit recruitment
thousands
Fishing pressure description
Fishing pressure units
Stock size description
Biomass index
Stock size units
kg/hour
Fish reference points
Management plan
SSB
MP
F
MP
MSY approach
MSYB
trigger
F
MSY
Precautionary approach
B
lim
B
pa
F
lim
F
pa
Age and Length
Recruitment
0
F
Fish data
Year
SSB
Landings
1988
0
1989
0.115979543113392
1990
0
1991
0
1992
0
1993
0
1994
0.0172312464054182
1995
0.166051622227058
1996
0
1997
0.113960393373451
1998
0.277346389854032
1999
0.140046421471556
2000
0.0287118904931536
2001
0.129032146220057
2002
0.136393259171379
2003
0.383724570980835
2004
0.0345238731747981
2005
0
2006
0.144074831356061
2007
0.46191637496085
2008
0.0175873562417348
2009
0.303411534916149
158.2
2010
0.141525535609927
132.8
2011
0.420808614564712
143.6
2012
1.09402749338562
193.6
2013
0.321603922391383
239.4
2014
1.79211867594401
181.4
2015
1.20680699180542
191.1
2016
1.00050266138528
147.2
Custom reference points
Custom fish data column names
Custom fish data
Sensivity data