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This dataset was first added to MfE Data Service on 29 Sep 2015.
Benthic macroinvertebrates are small animals without backbones (eg insects and worms). They live on and under submerged logs, rocks, and aquatic plants on the beds of rivers and streams during some part of their life cycle. Macroinvertebrates play a central role in stream ecosystems by feeding on periphyton (algae), macrophytes (aquatic plants), dead leaves and wood, or on each other. A high macroinvertebrate community index (MCI) indicates a high level of river health.
File contains state results for each monitored site, expressed as percentile calculations for the period 2009-2013. See Larned et al. 2015 for further details.
For more information please see:
Larned, S, Snelder, T, Unwin, M, McBride, G, Verburg, P, McMillan, H (2015).Analysis of Water Quality in New Zealand lakes and Rivers: data sources, data sets, assumptions, limitations, methods and results. NIWA Client Report no. CHC2015-033. Available at data.mfe.govt.nz/x/DDui3u from the Ministry for the Environment dataservice.
This dataset relates to the "River water quality: Benthic macroinvertebrates" measure on the Environmental Indicators, Te taiao Aotearoa website.
| Table ID | 52534 |
|---|---|
| Data type | Table |
| Row count | 512 |
| Services | Web Feature Service (WFS), Catalog Service (CS-W), data.govt.nz Atom Feed |