No. of | Number of drag samples | |||||||
---|---|---|---|---|---|---|---|---|
Site | 4-Posters | 2007 | 2008 | 2009 | 2010 | 2011 | ||
Cape cod | Control | Burgess | - | 150 | 170 | 130 | 180 | 180 |
Jehu Pond | - | 60 | 180 | 90 | 150 | 180 | ||
Punk Horn | - | 60 | 180 | 90 | 180 | 180 | ||
Syrjala | - | 150 | 150 | 90 | 180 | 180 | ||
Treated | Bells Neck | 4 | 120 | 180 | 90 | 180 | 180 | |
Bridge Creek | 4 | 150 | 150 | 60 | 180 | 180 | ||
Dennis Pond | 4 | 150 | 180 | 90 | 150 | 180 | ||
Shawme Crowell | 6 | 150 | 180 | 90 | 180 | 180 | ||
Martha's vineyard | Control | Fulling Mill | - | 80 | 180 | 90 | 150 | 180 |
Sepiessa Point | - | 60 | 180 | 90 | 150 | 180 | ||
Treated | Cedar Tree Neck | 15 | 90 | 180 | 90 | 150 | 180 | |
Chappaquiddick | 5 | 90 | 180 | 90 | 150 | 180 | ||
Nantucket | Control | Almanack Pond | - | 30 | 140 | 90 | 160 | 180 |
Treated | Loring Nature Center | 4 | 60 | 150 | 90 | 180 | 180 |