Baseline study Fish, fry and commercial fishery Nysted Offshore ...

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Number
Number
6
4
2
0
6
4
2
Atlantic cod
Wind farm area Reference area
May May
June June
0
0 15 30 45 60 75
Total length (cm)
SEAS. Baseline study – Fish, fry and commercial fishery Dok. nr. 2148-03-001-rev3 2P.doc
Gill net
Fyke net
0 15 30 45 60 75
Total length (cm)
Figure 3.8.6. Length distribution of Atlantic cod in the wind farm area and reference area respectively
in May and June.
The main part of the Atlantic cod caught in both areas was less than 30 cm (Figure
3.8.6). According to Table 3.8.5, only few fish processed intermediary gonads or had
spent recently.
Længde
(cm)
K. F.
Wind farm area
Gonadevægt (g)
% Gonadevægt
Gonadeindeks N mean mean mean stdv mean stdv N mean mean mean stdv mean stdv
May Juv. Juvenile gonads 6 23,0 ,87 ,0 ,0 ,0 ,00 27 22,4 ,90 ,0 ,0 ,0 ,00
Male sexual diff. 2 20,9 ,98 ,3 ,1 ,3 ,03 7 31,1 ,96 1,7 1,7 ,6 ,56
intermediary
1 38,0 ,94 7,3 1,4
Female sexual diff. 12 23,5 ,93 ,8 1,3 ,5 ,30 19 28,7 1,00 2,0 2,1 ,8 1,30
intermediary
2 40,5 ,88 6,4 ,5 1,2 ,74
Spent
1 31,0 1,12 6,7 2,0
June Juv. Juvenile gonads
6 22,6 ,93 ,0 ,0 ,0 ,00
Male sexual diff. 1 30,1 ,94 ,2 ,1 3 20,2 ,91 ,1 ,1 ,2 ,16
Female sexual diff. 5 20,1 ,92 ,3 ,1 ,4 ,07 7 23,9 ,93 ,8 1,1 ,4 ,12
Spent
1 23,0 ,89 ,4 ,4
Længde
(cm)
K. F.
Reference area
Gonadevægt (g)
% Gonadevægt
Table 3.8.5. Average of length, condition factor, weight, percentage of gonads as a function of the
gonad index for Atlantic cod.