Table 2. Patinopecten yessoensis.
The densities of the occurrences and growth rates in the populations inhabited the northwestern part of the Sea of Japan.
| Site | Density, ind./m2, at site of sampling | Shell height at 1-year-old age, mm | Shell height at 2-year-old age, mm | Shell height at 3-year-old age, mm | Shell height at 4-year-old age, mm | Shell height at 5-year-old age, mm |
|---|---|---|---|---|---|---|
| Low | Growth | Rates | ||||
| Srednyaya Bay | 0.29 | 40.1 ± 2.6 | 79.1 ± 2.8 | 97.9 ± 2.4 | 116.4 ± 2.8 | 130.3 ± 2.8 |
| Pervaya Rechka River Estuary | 0.13 | 38.1 ± 0.7 | 73.5 ± 1.5 | 95.6 ± 1.5 | 108.3 ± 1.5 | 113.4 ± 1.0 |
| Ozero Vtoroe Bay | 0.80 | 42.4 ± 0.6 | 81.0 ± 0.7 | 104.7 ± 0.6 | 121.3 ± 0.7 | 132.5 ± 1.1 |
| Lazurnaya Bay | 0.16 | 43.4 ± 1.9 | 80.6 ± 2.3 | 104.5 ± 2.2 | 121.5 ± 2.3 | 127.5 ± 1.7 |
| Andreeva Bay | 0.31 | 48.6 ± 0.8 | 88.7 ± 1.0 | 108.0 ± 1.0 | 119.8 ± 1.1 | 125.6 ± 1.3 |
| Middle | Growth | Rates | ||||
| Anna Bay | 2.01 | 52.5 ± 0.8 | 86.9 ± 0.9 | 121.2 ± 0.7 | 134.4 ± 1.1 | 138.2 ± 1.8 |
| At Cape Shkota | 0.19 | 48.3 ± 2.1 | 89.5 ± 1.7 | 116.4 ± 1.3 | 129.2 ± 1.4 | 133.6 ± 1.9 |
| At Putyatina Island | 0.16 | 50.2 ± 1.6 | 87.4 ± 1.2 | 117.0 ± 1.0 | 129.1 ± 1.1 | 135.3 ± 1.8 |
| Melkovodnaya Bay | 0.25 | 39.5 ± 1.8 | 81.7 ± 1.3 | 108.8 ± 1.4 | 126.3 ± 1.3 | 137.7 ± 1.5 |
| Vityaz Bay | 0.27 | 47.2 ± 1.3 | 89.5 ± 1.1 | 116.1 ± 0.9 | 130.6 ± 1.1 | 140.0 ± 1.5 |
| High | Growth | Rates | ||||
| Rifovaya Bay | 0.60 | 45.6 ± 1.8 | 96.1 ± 2.0 | 118.7 ± 1.8 | 137.2 ± 1.5 | 148.6 ± 2.3 |
| Kreiserok Bay | 0.22 | 62.6 ± 1.4 | 106.2 ± 1.3 | 129.0 ± 1.3 | 141.8 ± 1.4 | 149.4 ± 1.2 |
| Sivuchiya Bay | 1.03 | 65.4 ± 1.0 | 108.4 ± 0.9 | 131.2 ± 0.8 | 143.1 ± 0.8 | 151.3 ± 0.8 |
| At Stenina Island | 0.24 | 45.0 ± 1.2 | 89.4 ± 1.5 | 120.5 ± 1.4 | 138.5 ± 1.6 | 150.4 ± 2.3 |
| Severnaya Bay | 0.67 | 52.7 ± 1.2 | 94.3 ± 1.2 | 116.2 ± 1.3 | 130.0 ± 1.9 | 138.8 ± 1.9 |
Notes.
Bold and underlined names of the sites indicate populations, where the scallops have the high and low growth rates, correspondingly.