TABLE S2. Determination of the sampling effort within lakes according to the lake area.
Area class (km2) Nb. lakes Nb. transects Nb. seine nets Nb. minnow traps Nb. samplings
]0; 0.1[ 5 2 4 15 21
[0.1; 0.2[ 5 3 5 15 23
[0.2; 1.0[ 3 4 6 15 25
[1.0; 2.0[ 1 5 7 15 27
[2; ...[ 1 6 8 15 29