The Lower Parker River; the nutrient and phytoplankton transect section (bounding box), from where the Parker R. empties into Plum Island Sound (at river km 9.5) to just downstream of the entrance to the Mill River, 14.5 km.
The Lower Parker River; the nutrient and phytoplankton transect section (bounding box), from where the Parker R. empties into Plum Island Sound (at river km 9.5) to just downstream of the entrance to the Mill River, 14.5 km.