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) 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)        
Introduction of Lepomis gibbosus (before/after 1996) lepomis.intro        

Only applicable for Mikri Prespa

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