Field work or laboratory experiment | Number of individuals |
---|---|
Field collection in May 2011 (PMay) | 144 |
F1May from PMay | 2,516 |
F2May from F1May | 538 |
Field collection in September 2011 (PSeptember) | 238 |
F1September from PSeptember | 1,563 |
External exposure experiment | 401 |
Internal exposure experiment | 542 |
Total | 5,942 |