Each natural resources district and the Game and Parks Commission shall conduct studies to identify specific stream segments which the district or commission considers to have a critical need for instream flows. Such studies shall quantify the instream flow needs in the identified stream segments. Any district or the Game and Parks Commission may request the assistance of the Conservation and Survey Division of the University of Nebraska, the Game and Parks Commission, the Department of Environment and Energy, the Department of Natural Resources, or any other state agency in order to comply with this section.