Open Access
Table 1
Characteristics of the 14 studied lakes. DoC: degree of coverage of acoustics surveys at day-time and night-time.
| Lake | Survey date | Thermocline depth (m) | Maximum depth (m) | Altitude (m) | Surface (km2) | Trophic status | DoC day | DoC night |
|---|---|---|---|---|---|---|---|---|
| France | ||||||||
| Aiguebelette | 25/10/2005 | 12 | 71 | 373 | 5.45 | Mesotrophic | 7.2 | 7.1 |
| Annecy | 17/09/2012 | 13 | 65 | 447 | 27.59 | Oligotrophic | 8.7 | 8.9 |
| Bouchet | 15/09/2005 | 11 | 27 | 1200 | 0.44 | Oligotrophic | 5.4 | 6.2 |
| Bourget | 01-02/10/2012 | 15 | 147 | 231 | 44.5 | Oligo-mesotrophic | 13.9 | 13.7 |
| Issarlès | 13/09/2005 | 12 | 110 | 1003 | 0.97 | Ultra-oligotrophic | 11.1 | 9.0 |
| Montriond | 28/09/2006 | 6 | 15 | 1055 | 0.32 | Mesotrophic | 7.7 | 5.8 |
| Pavin | 22/09/2005 | 10 | 93 | 1197 | 0.44 | Oligo-mesotrophic | 9.4 | 9.0 |
| Switzerland | ||||||||
| Brienz | 13-14/09/2011 | 20 | 260 | 564 | 29.8 | Ultra-oligotrophic | 9.3 | 13.3 |
| Lugano | 18-19/10/2011 | 10 | 288 | 271 | 48.7 | Eutrophic | 8.0 | 10.4 |
| Morat | 11/10/2010 | 15 | 45 | 429 | 22.8 | Meso-eutrophic | 8.0 | 10.2 |
| Neufchâtel | 03-04-05/10/2011 | 20 | 152 | 429 | 218.3 | Oligotrophic | 4.9 | 5.1 |
| Poschiavo | 13/08/2012 | 15 | 85 | 962 | 1.98 | Mesotrophic | 6.0 | 6.3 |
| Thoune | 15-16/10/2013 | 18 | 217 | 588 | 48.3 | Ultra-oligotrophic | 5.6 | 5.6 |
| Zoug | 20-21/08/2013 | 10 | 198 | 413 | 38.3 | Eutrophic | 11.9 | 11.6 |
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