Paese | Russian Federation | Ecosistema | White Sea |
Località | Gorely Island | Depth | 8 m |
Introdotto | Year Intro. | ||
Stadio vitale | adult | unsexed | |
Quantitative | 64.94 | Unit | numbers/m^2 |
Semi Quantitative | <100 | Unit | numbers/m^2 |
Qualitative | common | ||
Anno | 1987 - 1988 | Period | 1975-2000 |
Data | 1987-12-15 00:00:00 - 1988-01-15 00:00:00 | Record Type | survey |
Record Type | survey | ||
Seasonal | yes | Method | quadrats |
Remarks | 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. |