|
River Exe - United Kingdom |
|
River Frome - United Kingdom |
|
River Garvary - United Kingdom |
|
River Lambourn - United Kingdom |
|
River Lathkill - United Kingdom |
|
River Salaca - Latvia |
|
River Tweed - United Kingdom |
|
River Wye - United Kingdom |
|
Röbäcksdalen Field Research Station - Sweden |
|
Rothamsted - United Kingdom |