| Country | Locality | Introduced | Year | Qualitative Value | Ref. |
|---|---|---|---|---|---|
| Alaska | Burger study area | 2010 - 2010 | rare | 119353 | |
| Russian Federation | Gorely Island | 1987 - 1988 | common | 122359 | |
| Russian Federation | Gorely Island | 1988 - 1989 | common | 122359 | |
| Russian Federation | Gorely Island | 1989 - 1990 | common | 122359 | |
| Russian Federation | Gorely Island | 1990 - 1991 | rare | 122359 | |
| Russian Federation | Gorely Island | 1991 - 1992 | rare | 122359 | |
| Russian Federation | Gorely Island | 1992 - 1993 | rare | 122359 | |
| Russian Federation | Gorely Island | 1993 - 1994 | rare | 122359 | |
| Russian Federation | Gorely Island | 1994 - 1995 | rare | 122359 | |
| Russian Federation | Gorely Island | 1995 - 1996 | rare | 122359 | |
| Russian Federation | Gorely Island | 1996 - 1997 | rare | 122359 | |
| Russian Federation | Gorely Island | 1997 - 1998 | common | 122359 | |
| Russian Federation | Gorely Island | 1998 - 1999 | rare | 122359 | |
| Russian Federation | Gorely Island | 1999 - 2000 | rare | 122359 | |
| Russian Federation | Gorely Island | 2000 - 2001 | rare | 122359 | |
| Russian Federation | Gorely Island | 2001 - 2002 | rare | 122359 | |
| Russian Federation | Gorely Island | 2002 - 2003 | rare | 122359 | |
| Russian Federation | Gorely Island | 2003 - 2004 | rare | 122359 | |
| Russian Federation | Gorely island | 2004 - 2005 | rare | 122359 | |
| Russian Federation | Gorely Island | 2005 - 2006 | common | 122359 | |
| Russian Federation | Gorely Island | 2006 - 2007 | rare | 122359 | |
| Russian Federation | Gorely Island | 2007 - 2008 | rare | 122359 |