Table 1.
Characteristics of the five coastal water bodies sampled, i.e., Stockholm Archipelago (SWE-ARC), Gudenaa (DEN-GUD), Burrishoole (IRE-BUR), Corrib (IRE-COR), and Frémur (FRA-FRE). Trophic status according to Carlson (1977) [12]. Sampling dates from October 2009 to February 2010 correspond to the same seaward migration of the silver eels whereas sampling in Burrishoole occurred one-year sooner.
| Country | Sampling site | Latitude (N) | Longitude (W or E) | Number of silver eels | Sampling date | Salinity (psu) | Distance from the sea (km) | Trophic status | Anthropogenic pressure |
|---|---|---|---|---|---|---|---|---|---|
| Sweden | SWE-ARC | 58°57′30.82″ | 18°02′05.09″ E | 10 | Oct-2009 | 5 | 0 | Mesotrophic | Low |
| Denmark | DEN-GUD | 55°58′01.31″ | 09°42′16.64″ E | 21 | Dec-2009 | 0 | 100 | Mesotrophic | Moderate |
| Ireland | IRE-BUR | 53°55′13.51″ | 09°35′03.30″ W | 49 | Nov-2008 | 0 | 5.0 | Oligotrophic | Null |
| Ireland | IRE-COR | 53°16′32.05″ | 09°03′21.71″ W | 26 | Nov-2009 | 0 | 0.6 | Oligotrophic | Low |
| France | FRA-FRE | 48°34′39.80″ | 02°06′13.10″ W | 43 | Feb-2010 | 0 | 4.5 | Eutrophic | High |
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