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The ECN protocol for crustacean zooplankton (FZP)


Protocol file


Site types that use this protocol

The crustacean zooplankton which dominate the open water of lakes form an important link in the food chain between phytoplankton and fish.  Most lakes contain a few species from a small number of genera but marked changes in species composition can occur when there is a progressive change in the trophic status.

Species presence and abundance are determined through fortnightly sampling at lake sites only.

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Our field activities


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