ecological and chemical quality / metal levels / biological and chemical water quality elements / /
NaturalFeature
Glenelly Valley / river Teal Lough / Sperrin Mountains / Owenkillew River / Davagh Forest / Glenknock River / river Black Bog / river Tributaries / Macroalgae Angiosperms Invertebrates Fish DIN Phosphorous Dissolved Oxygen Specific Pollutants/Priority Substances River / River Foyle / /
Organization
Northern Ireland Environment Agency / Wildlife Service / /