Table 1
Study area, depth, geographical coordinates, and temperature and salinity of water in the following months of 2008
| Sampling sites | Depth | Geographical coordinates | Water temperature | Salinity | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| m | λ,ϕ | °C | PSU | |||||||||
| IV | V | VI | VII | VIII | IV | V | VI | VII | VIII | |||
| Gdynia profile | ||||||||||||
| G1 | 10 | 1854°°36.427.9'E 'N | 6.2 | 13.6 | 11.2 | 18.0 | 18.0 | 6.2 | 6.0 | 6.6 | 7.1 | 7.0 |
| G2 | 14 | 1854°°40.029.0'E 'N | 6.1 | 10.1 | 11.3 | 17.9 | 17.5 | 6.3 | 6.7 | 6.7 | 7.0 | 7.0 |
| G3 | 17 | 18°41.4'E 54°29.4'N | 5.7 | 8.9 | 11.5 | 16.3 | 16.9 | 6.5 | 6.8 | 6.6 | 7.0 | 7.0 |
| Sopot profile | ||||||||||||
| S1 | 8 | 1854°°36.126.4'E 'N | 7.1 | 14.9 | 11.2 | 18.1 | 18.3 | 6.0 | 5.3 | 6.5 | 7.0 | 7.0 |
| S2 | 10 | 1854°°37.927.5'E 'N | 6.9 | 13.8 | 11.2 | 17.6 | 17.6 | 5.9 | 5.9 | 6.5 | 7.0 | 7.0 |
| S3 | 15 | 18°39.7'E 54°28.6'N | 6.5 | 11.2 | 11.3 | 16.9 | 17.0 | 6.3 | 6.5 | 6.6 | 7.1 | 7.0 |
Table 2
The number of C. crangon males, non-ovigerous females and ovigerous females in length classes (mm)
| Sampling sites | Number of individuals in length classes (mm) | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Males | Non-ovigerous females | Ovigerous females | ||||||||
| 21.0–30.0 | 31.0–40.0 | 41.0–50.0 | 21.0–30.0 | 31.0–40.0 | 41.0–50.0 | 21.0–30.0 | 31.0–40.0 | 41.0–50.0 | ||
| Gdynia profile | G1 | 193 | 95 | 1 | 74 | 109 | 28 | 1 | 24 | 3 |
| G2 | 117 | 20 | 0 | 84 | 24 | 3 | 6 | 36 | 2 | |
| G3 | 51 | 15 | 0 | 64 | 52 | 3 | 1 | 25 | 2 | |
| Sopot profile | S1 | 246 | 115 | 0 | 103 | 173 | 19 | 1 | 69 | 20 |
| S2 | 201 | 55 | 0 | 125 | 130 | 13 | 3 | 40 | 9 | |
| S3 | 106 | 24 | 0 | 81 | 88 | 4 | 1 | 45 | 5 | |
| Total number | 1302 | 1291 | 293 | |||||||
Figure 1
Gdynia and Sopot profiles: hydroxyproline levels (μg 100 mg–1 d.w.) in C. crangon males, non-ovigerous females and ovigerous females. Mean value from triplicate determinations
Figure 2
Gdynia and Sopot profiles: hydroxyproline content (μg 100 mg–1 d.w.) in C. crangon in different length classes. Mean value from triplicate determinations
Figure 3
Gdynia and Sopot profiles. Hydroxyproline levels (μg 100 mg–1 d.w.) in C. crangon males, non-ovigerous females and ovigerous females collected from different depths. Mean value from triplicate determinations
Table 3
Hydroxyproline levels in males, non-ovigerous females and ovigerous females at two profiles
| Study area | Males | Non- ovigerous females | Ovigerous females |
|---|---|---|---|
| Gdynia profile | 1.80 ± 0.64 | 1.74 ± 0.66 | 1.88 ± 0.65 |
| Sopot profile | 1.83 ± 0.59 | 1.74 ± 0.63 | 2.20 ± 0.63 |
[i] Values are given as means ± SD (Standard Deviation) from triplicate determinations and expressed as μg Hyp x 100 mg–1 d.w. (Dry Weight)
Figure 4
Gdynia and Sopot profiles. Hydroxyproline levels (μg 100 mg–1 d.w.) in C. crangon males, non-ovigerous females and ovigerous females collected from April to August 2008. Mean value from triplicate determinations