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Stock Assessment Graphs
Stock assessment graphs
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Sprat (Sprattus sprattus) in Division 3.a (Skagerrak and Kattegat)
Species:
Stock Assessment Graphs
Stock code:
spr.27.3a
Assessment Year:
2018
Key:
10078
Unit weights
tonnes
Unit recruitment
thousands
Fishing pressure description
F/Fmsy
Fishing pressure units
ratio
Stock size description
Abundance Index
Stock size units
NA
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
1974
71300
1975
100600
1976
58800
1977
67400
1978
77900
1979
95600
1980
83900
1981
76300
1982
39600
1983
26400
1984
3.166069112928
36100
1985
1.38078578957168
19700
1986
0.957427727304905
10800
1987
1.75747694782261
14400
1988
2.09420267155806
8700
1989
0.374144532582468
9800
1990
0.208386952933078
9700
1991
0.360600126269866
14000
1992
2.98320238956818
10500
1993
1.23107337115295
9100
1994
1.12525250077121
96000
1995
1.44433021411831
55600
1996
2.39026050169868
18000
1997
0.145001968826153
15800
1998
0.296065465446434
18400
1999
2.62062829616776
26700
2000
0.587273077546376
20100
2001
3.85026691065545
29106.6452898
2002
0.923043947087636
17703
2003
0.594429499115642
16479
2004
0.242452402780284
21996
2005
2.0439810217772
40296.015659042
2006
3.76645727604579
12507
2007
0.466174520445934
15706
2008
1.93560351629151
9123
2009
1.58845708864894
9200
2010
0.305995816402151
10706
2011
0.354294869028173
10731
2012
0.319310314892199
10417.0425
2013
0.178980819300393
5109.99999996
2014
0.31575434923083
23772.99999972
2015
0.860392400581645
19770.0999999
2016
2.37829214544709
11046.00000006
2017
0.679100462363088
1413
2018
2.64574844197862
Custom reference points
CustomRefPointName
CustomRefPointValue
CustomRefPointNotes
custom1
custom2
custom3
custom4
custom5
Custom fish data column names
CustomName1
CustomName2
CustomName3
CustomName4
IBTS Q1 Age 1
IBTS Q1 Age 2
IBTS Q3 Age 1
HERAS Age 1
Custom fish data
Year
Custom1
Custom2
Custom3
Custom4
1974
1975
1976
1977
1978
1979
1980
1981
1982
1983
1984
5675.453
868.877
1985
2157.763
2347.024
1986
628.636
1979.238
1987
2735.918
2845.931
1988
914.468
5262.547
1989
413.943
911.276
1990
481.022
223.894
1991
492.498
726.822
493.724
1992
5993.636
598.711
1731.961
1993
1589.922
4168.612
309.005
1994
1788.861
715.839
9945.215
1995
2204.074
1769.532
13295.42
1996
199.3
5515.416
130.748
1997
232.654
391.234
437.176
1998
72.245
1585.222
62.82
1999
4534.96
355.242
8082.645
2000
292.316
737.798
2001
6539.478
1144.344
8501.662
2002
1180.52
1035.707
3568.48
2003
461.659
1247.151
444.802
2004
402.87
49.002
7388.165
2005
3314.171
1563.164
12817.78
2006
1323.589
11855.76
849.819
61.3
2007
774.11
306.631
10899.96
5611.9
2008
150.598
981.9
809.366
23
2009
2686.719
124.463
3258.747
169.5
2010
218.659
618.486
2335.444
836.1
2011
135.548
2887.269
1413.118
45.4
2012
209.485
1531.549
832.37
123.9
2013
301.264
237.338
356.27
14.5
2014
518.178
229.093
30111.5
614.5
2015
957.727
206.943
16064.67
840.8
2016
4209.697
2217.673
5035.249
5.4
2017
1110.195
724.379
2443.699
11
2018
4660.733
1099.798
Sensivity data