Nitrogen and metal pollution in the southern Caspian Sea. A multiple approach to bioassessment
The Caspian Sea hosts areas of high ecological value as well as industrial, leisure, and agricultural activities that dump
into the water body different kinds of pollutants. In this complex context, a proper description of the origin and potential
sources of pollution is necessary to address management and mitigation actions aimed at preserving the quality of the
water resource and the integrity of the ecosystems. Here, we aimed at detecting sources of both nitrogen inputs, by N