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Norway lobster (Nephrops norvegicus) in divisions 8.a and 8.b, Functional Units 23-24 (northern and central Bay of Biscay)
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Species:
Nephrops norvegicus
Stock code:
nep.fu.2324
Assessment Year:
2021
Purpose:
Advice
Assessment Key:
16875
Stock Key:
169156
Year
Stock size
97.5%
2.5%
Landings
Discards
Fishing mortality
Landings
Total discards
Removals
Discard rate by number
Dead discard rate by number
Mean weight in landings
Mean weight in discards
Number of individuals (fisheries)
tonnes
tonnes
%
NE6
NE6
NE6
%
%
kg
kg
1987
5397
1767
289
268.2
476.7
48.1
39.4
0.019
0.007
1988
5875
4123
324.5
687
805.4
67.9
59.7
0.018
0.006
1989
4835
2634
244.9
404.2
527.8
62.3
53.6
0.02
0.007
1990
4972
627
213.8
78.5
268.8
26.9
20.5
0.023
0.008
1991
4754
1213
217.4
151.6
323.5
41.1
32.8
0.022
0.008
1992
5681
1354
274.3
174.4
396.3
38.9
30.8
0.021
0.008
1993
5109
1007
240.6
124.4
327.7
34.1
26.6
0.021
0.008
1994
4092
741
188.9
88.3
250.7
31.8
24.6
0.022
0.008
1995
4452
706
202.3
84.8
261.6
29.5
22.7
0.022
0.008
1996
4118
495
182
55.3
220.7
23.3
17.5
0.023
0.009
1997
3610
805
188.7
105
262.2
35.8
28
0.019
0.008
1998
3865
1453
161.5
151
267.2
48.3
39.6
0.024
0.01
1999
3209
1148
135.3
122.7
221.2
47.6
38.8
0.024
0.009
2000
3069
1455
133.4
163.3
247.7
55
46.2
0.023
0.009
2001
3730
2537
172.8
305.5
386.7
63.9
55.3
0.022
0.008
2002
3679
2620
180.4
329
410.7
64.6
56.1
0.02
0.008
2003
3886
1977
163.8
201.8
305.1
55.2
46.3
0.024
0.01
2004
3571
1932
154.4
222.1
309.9
59
50.2
0.023
0.009
2005
3991
2698
179.8
315.3
400.5
63.7
55.1
0.022
0.009
2006
3447
4544
128.8
487.3
469.9
79.1
72.6
0.027
0.009
2007
3176
2411
117.3
214.8
267.6
64.7
56.2
0.027
0.011
2008
3030
2123
115.3
198
253.9
63.2
54.6
0.026
0.011
2009
2987
1833
123.5
174.5
245.6
58.6
49.7
0.024
0.011
2010
3398
1275
138.1
113.5
217.6
45.1
36.5
0.025
0.011
2011
3559
1263
108
121.6
193.1
53
44.1
0.033
0.01
2012
2520
1012
101.4
117.9
184
53.8
44.9
0.025
0.009
2013
2380
1521
114.9
154.9
223.3
57.4
48.6
0.021
0.01
2014
2807
1326
121.6
117.9
204.1
49.2
40.4
0.023
0.011
2015
3569
1822
138.9
156.4
248.4
53
44.1
0.026
0.012
2016
4167.48
4807.51
3527.45
4091
2531
7.3
161.4
201
302.1
55.5
46.6
0.025
0.013
2017
3372.54
4025.13
2719.95
3412
2387
7.2
143.5
200.6
243.8
58.3
41.1
0.024
0.012
2018
3787.77
4403.75
3171.79
2125
1571
4.2
83.5
151.9
159.4
64.5
47.6
0.025
0.01
2019
4113.42
4786.16
3440.69
2154
634
3.1
96.9
59.1
126.5
37.9
23.4
0.022
0.011
2020
3601.5
4451.65
2751.35
2273
1908
4.9
100.7
154.4
177.9
60.5
43.4
0.023
0.012
2021
3430.99
4024.92
2837.07
Average
3745.62
4416.52
3074.71
3730
1749
5.3
165.929
195.771
299.635
51.494
42.282
0.023
0.009
Fishing pressure
Stock size
2018
2019
2020
2019
2020
2021
Maximum sustainable yield
F
MSY
Appropriate
MSY B
trigger
Undefined
Precautionary approach
F
pa
,F
lim
Undefined
B
pa
,B
lim
Undefined
Management plan
F
MGT
Not applicable
B
MGT
Not applicable