Open Access
Table 1
Average values and standard deviations (sd) of the environmental variables for both lakes.
| Variable | Abbreviation | Mikri Prespa | Megali Prespa | ||
|---|---|---|---|---|---|
| Mean | SD | Mean | SD | ||
| Monthly average temperature (°C) | t.air | 15 | 4.2 | 15.2 | 4.3 |
| Monthly total precipitation (mm) | precipitation.mm | 41.4 | 27.5 | 40.6 | 29.8 |
| Monthly average water level (m a.s.l.) | water.level | 854.1 | 0.4 | 844.6 | 0.7 |
| Monthly average secchi disk (m) | secchi | 1.7 | 0.6 | 3.23 | 1 |
| Number of piscivorus birds (breeding pairs) | predation | 663.5 | 482.5 | 1709.4 | 343.4 |
| Water management (before/after 2005)† | water.management | ||||
| Introduction of Lepomis gibbosus (before/after 1996) | lepomis.intro | ||||
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