Table 1 Details of location characteristics of sampling points of the study area.
Wetland | Type | Location | Land use pattern | Sources of pollutants |
|---|---|---|---|---|
Bhadrak | Constructed | Bhadrak | Agricultural wetland with seasonal agriculture | Insecticide, pesticide from agricultural runoff |
Chandaneswar | Natural | Balasore | Agricultural land covered by year-wide crops | Agricultural runoff, anthropogenic activity |
Chilika | Natural | Khurda | The anthropogenic activity primarily by cattle | Agricultural runoff, village runoff, anthropogenic activity |
Daringbadi | Natural | Kandhamal | Undisturbed natural water body | Natural sources |
Hirakud | Constructed | Bargarh | Agricultural activity covering the whole year | Natural sources, agricultural runoff |
Koraput | Natural | Koraput | Connected to a reservoir in monsoon and separated in other seasons, anthropogenic activity | Natural sources, cattle grazing |
Talcher | Constructed | Angul | Urban area, anthropogenic activity | Urban pollution, industrial pollution, coal mining |
Titlagarh | Constructed | Bolangir | Semi-urban area, anthropogenic activity | Urban pollution, anthropogenic activity |