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Note 3: BTO bird activity map symbols

Additional information relating to the ECN birds protocol

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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