Purpose-Built
A private field lab for recording benthic macroinvertebrate observations, calculating community metrics, and comparing stream samples.
Macroinvertebrate stream-index workbench
A private field lab for recording benthic macroinvertebrate observations, calculating community metrics, and comparing stream samples.
No account, ads, tracking, third-party analytics, or developer-operated backend. Your work stays on your device unless you deliberately share or export it.

Scores are educational field indicators. Use the sampling protocol, regional tolerance values, and agency requirements appropriate to your watershed.