Table 1 Summary data for the lakes used to construct a within-lake occupancy model for starry stonewort (Nitellopsis obtusa). Note that several surveys were conducted in the same year at Koronis, Medicine, and Wind lakes.
State | Lake | Size (ha) | First known year infested | Sample points (# known infested)a | Times (Years) surveyed |
|---|---|---|---|---|---|
MN | Koronis | 1200 | 2015 | 531 (340) | 9 (’15-’17, ’18-’19 × 2, ’20–’21) |
MN | Moose | 243 | 2016 | 181 (30) | 2 (’17–’18) |
MN | West Sylvia | 366 | 2016 | 169 (0) | 2 (’17, ’21) |
MN | Grand | 263 | 2017 | 230 (0) | 2 (’18, ’21) |
MN | Medicine | 374 | 2018 | 187 (18) | 8 (’18–’21 × 2) |
MN | Pleasant | 242 | 2018 | 139 (0) | 1 (’19) |
MN | Carnelian | 72.8 | 2020 | 122 (0) | 1 (’20) |
WI | Little Muskego | 190 | 2014 | 553 (89) | 3 (’14–’15, ’17) |
WI | Big Muskego | 870 | 2015 | 597 (152) | 1 (‘15) |
WI | Long | 42.5 | 2015 | 230 (73) | 6 (’15, ’17–’21) |
WI | Pike | 187 | 2015 | 379 (215) | 6 (’16–’21) |
WI | Silver | 49.4 | 2015 | 327 (42) | 7 (’15–’21) |
WI | Green | 28.3 | 2016 | 235 (43) | 6 (‘16–’21) |
WI | Wind | 372 | 2017 | 584 (183) | 6 (’17, ’18 × 3, ’19–’20) |
WI | Geneva | 2190 | 2018 | 806 (1) | 2 (’19, ’20) |
WI | Little Cedar | 105 | 2018 | 447 (23) | 4 (’18–’21) |
WI | Emery | 12.9 | 2019 | 134 (110) | 2 (’20, ’21) |
WI | Lower Nemahbin | 96.7 | 2019 | 358 (0) | 2 (’19–’20) |
WI | Okauchee | 490 | 2019 | 651 (1) | 1 (’19) |
WI | Pewaukee | 986 | 2019 | 695 (24) | 1 (’20) |
WI | Kilby | 17.8 | 2020 | 125 (2) | 1 (’21) |
WI | Camp | 178 | 2021 | 477 (9) | 1 (’21) |
WI | Pine | 87.8 | 2021 | 262 (4) | 1 (’21) |
