about SPEAR

Web Applications

Click a button below to start an application
Click here to start the SPEAR Calculator!

The New SPEAR Calculator has been completly redesigned, but you can still start the old version here.
Click here to start the TU Calculator!

In case you have problems using a software, read our system recommendations.

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Community

If you are working with SPEAR bioindicators or publish papers related to SPEAR you can present your work on this web-page. Please contact us.

Adaptation of SPEARpesticides for Australian freshwaters and development of a SPEARsalinity index

Relations of SPEAR and other community indices with basic environmental factors in a large lowland river system: The case study in the upper Volga River

*) Note: Both reports are also available as pdf or hardcopy from the Environment Agency's publication catalogue at http://publications.environment-agency.gov.uk/