Rivers

These are some publications related to the Environmental flows programme.

Publications related to the Hydrological observations and predictions programme.

How much water is in our rivers and groundwater aquifers, how has that has changed over time and how might it change in the future?

Small native fish eat a range of benthic invertebrates in streams. The larvae of mayflies and caddisflies are the most important food species, with chironomids being important for juvenile fish and in streams where all other prey are scarce.

These guides are designed for rapid identification of freshwater flora and fauna for use in biomonitoring.

The different kinds of social survey methods