| País | Russian Federation | Ecossistema | White Sea |
| Localização | Gorely Island | Depth | 8 m |
| Introduzidas | Year Intro. | ||
| Estádio de vida | adult | unsexed | |
| Quantitative | 40.24 | Unit | numbers/m^2 |
| Semi Quantitative | <100 | Unit | numbers/m^2 |
| Qualitative | rare | ||
| Ano | 1998 - 1999 | Período | 1975-2000 |
| Data | 1998-12-15 00:00:00 - 1999-01-15 00:00:00 | Record Type | survey |
| Record Type | survey | ||
| Seasonal | yes | Métodp | quadrats |
| Notas | Quantitative values were estimated from a figure using WebPlotDigitizer. Samples were taken at each station through a hole in the ice, by use of a Petersen grab. Sampling dates are estimated, described in the study as late December to early January. | ||