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Freshwater

Measurements made at ECN freshwater sites

Surface Water Chemistry & Quality

The ECN protocol for surface water chemistry and quality (measurement of physical & chemical variables) (FWC/FWA)

Surface Water Chemistry & Quality - Read More…

Surface Water Discharge

The ECN protocol for surface water discharge (FWD)

Surface Water Discharge - Read More…

Epilithic Diatoms

The ECN protocol for diatoms on submerged stones (FDT)

Epilithic Diatoms - Read More…

Macro-invertebrates

The ECN protocol for freshwater macro-invertebrates (FIN)

Macro-invertebrates - Read More…

Discontinued protocols

These protocols are no longer followed by the majority of sites, but are included on the website for anyone working with historic ECN data.

Discontinued protocols - Read More…

october

Our field activities

OCTOBER

Now that autumn has arrived the ECN fieldwork calendar begins to quieten down. We cease monitoring most terrestrial invertebrates apart from spiders. In rivers and lakes we make the last freshwater invertebrate survey of the year.

See all this month's field measurements...

Wytham in the autumn (fall). Photo: Denise Pallett