Table 1 Geographical location, lake surface area, lake trophic state, taxonomy, spawning/feeding ecotype designation and the number of individuals of each species included, for all species flocks analysed

Neuchâtel

46°53 N;

217.9

50

3.2

C. palaea

LGR, W

7

6°5 E

C. candidus

MGR, W

7

14

Biel

47°04 N;

39.3

132

0.5

C. palaea

LGR, W

6

7°1 E

C. confusus

MGR, W

7

13

Thun

46°41 N;

48.4

21

7.6

C. alpinus

VLGR, S

7

7°42 E

C. sp. “balchen”

LGR, W

6

C. fatioi

MGR, W

8

C. sp. “felchen”

MGR, W (Deep)

7

C. albellus

HGR, S

7

35

Brienz

46°43 N;

29.8

17

9.3

C. sp. “balchen”

LGR, W

4

7°58 E

C. sp. “felchen”

MGR, W

7

C. albellus

HGR, S

5

16

Lucerne

47°01 N;

114

34

3.4

C. sp. “bodenbalchen”

LGR, W

10

8°22 E

C. zugensis

HGR, S/W

9

C. nobilis

HGR, S

7

26

Constance

47°36 N;

539

87

6.0

C. sp. “weissfelchen”

LGR, W

7

9°26 E

C. arenicolus

LGR, W

6

C. sp. “Alpenrhein”

MGR, W

5

C. macrophthalmus

HGR, W

6

C. wartmanni

HGR, W (Pelagic)

6

30

Walen

47°07 N;

24.1

26

6.1

C. duplex

LGR, W

8

9°12 E

C. heglingus

HGR, S/W

9

17

Zuerich

47°13 N;

88.4

119

1.1

C. duplex

LGR, W

11

8.43 E

C. heglingus

HGR, W

7

18

Maggiore

45°58 N;

212.5

37

n/a

C. sp. “lavarello”

MGR, W

8

8°4 E

C. sp. “bondella”

HGR, W

6

14