| Country | Alaska | Ecosystem | Chukchi Sea |
| Locality | Klondike study area | Depth | |
| Introduced | Year Intro. | ||
| Life Stage | not specified | unsexed | |
| Quantitative | 18 | Unit | numbers/m^2 |
| Semi Quantitative | <100 | Unit | numbers/m^2 |
| Qualitative | rare | ||
| Year | 2010 - 2010 | Period | 2001-present |
| Date | 2010-08-05 00:00:00 - 2010-08-19 00:00:00 | Record Type | field sample |
| Record Type | field sample | ||
| Seasonal | not specified | Method | quadrats |
| Remarks | Samples were obtained by sieving material collected using a double van Veen grab with two 0.1-m^2 adjoining grabs. | ||