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A strategic programme for NERC Lowland catchment research
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Science highlights

A river

The LOCAR Programme investigated the hydrology, hydrogeology and aquatic ecology of three permeable Chalk and sandstone catchments. Science highlights of the programme include:

How to recognise a healthy river

LOCAR scientists identified important changes taking place in stream beds.  How to recognise healthy rivers

The significance of plants

Plants are the 'engineers' of healthy rivers. They influence sediment movement and deposition.  The significance of plants

Agricultural chemicals will pollute rivers for years to come

River pollution responds to changes in the application of agricultural chemicals.  Agricultural chemicals will pollute rivers for years to come

Where does the water go?

Flow of groundwater can't always be predicted by the slope of the land surface.  Where does the water go?

An invisible water supply

Flow of groundwater through sand and gravel on the floor of dry valleys helps to sustain a healthy aquatic environment.  An invisible water supply

Tracing the source of silt

Eroded soil can damage aquatic life and the change from pasture to cultivation in southern England can affect the health of rivers.  Tracing the source of silt

Side channels are important for fish

It is not just the main river channels that need looking after to maintain healthy fish populations.  Side channels are important for fish