Table 1. Lake characteristics.
| Bäen | Älgarydssjön | Hagasjön | St Skärsjön | |
| Latitude (°N) | 56.245 | 57.176 | 57.337 | 56.675 |
| Longitude (°E) | 14.378 | 14.273 | 13.714 | 13.071 |
| Surface area (km2) | 0.50 | 0.33 | 0.12 | 0.30 |
| Mean depth (m) | 3.4 | 1.4 | 3.7 | 3.9 |
| Secchi depth (m) | 1.9±0.50 | 1.1±0.15 | 2.2±0.53 | 3.1±0.62 |
| pH | 5.9±0.11 | 5.4±0.27 | 6.5±0.16 | 7.0±0.16 |
| Tot-N (µg L−1) | 610±160 | 610±110 | 420±42 | 350±92 |
| Tot-P (µg L−1) | 12±0.58 | 21±4.4 | 8.3±1.5 | 7.9±1.6 |
Location and physico-chemical characteristics of the four lakes from which zooplankton were collected. Secchi depth and water chemistry values are growing season (April-October) averages ± standard deviation from 2011. Data is available at www.slu.se/aquatic-sciences.