Table 1

Detailed descriptions of sample sites.

Sampling Date(s)*
Monthly Average Air Temperature#
Monthly Precipitation
Site Description

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

*Sampling date is date of peeper and core extraction (3–4 weeks after emplacement of peepers).

#Monthly air temperature and precipitation averages are from unedited local climatological data provided by NOAA, National Climatic Data Center for the Kalamazoo/Battle Creek International Airport (42°14'N Lat; 85°33'W Lon.; 892 ft elevation).

Koretsky et al. Geochemical Transactions 2006 7:11   doi:10.1186/1467-4866-7-11