Pays | Russian Federation | Écosystème | White Sea |
Localité | Gorely Island | Depth | 8 m |
Introduit | Year Intro. | ||
Stade de développement | adult | unsexed | |
Quantitative | 37.45 | Unit | numbers/m^2 |
Semi Quantitative | <100 | Unit | numbers/m^2 |
Qualitative | rare | ||
Année | 1993 - 1994 | Période | 1975-2000 |
Date | 1993-12-15 00:00:00 - 1994-01-15 00:00:00 | Record Type | survey |
Record Type | survey | ||
Seasonal | yes | Méthode | quadrats |
Remarques | 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. |