Table 1 Detailed descriptions of sample sites.

11/29/01

11/30/01

7.8°C

6.7 cm in 11/01

15–20 cm water depth; vegetation present

3/22/02

3/23/02

0.11°C

5.5 cm in 3/02

10–20 cm ice

5/31/02

6/01/02

11.1°C

9.1 cm in 5/02

20–30 cm water depth; water very turbid, grading into fine-grained organic-rich muck; some vegetation present

9/04/02

9/05/02

22.2°C

11.0 cm in 8/02

~35 m distance from original site; 50–75 cm water depth; vegetation present