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AUSRIVAS dataset

Created 23/06/2025

Updated 25/10/2025

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AUSRIVAS (Australian River Assessment System) is a river condition monitoring program that uses the environmental sensitivity of aquatic macroinvertebrates to assess the condition of waterways. AUSRIVAS predicts the macroinvertebrate fauna expected to occur at a site with specific environmental characteristics, in the absence of environmental stress. The fauna observed (O) at a site can then be compared to fauna expected (E), with the deviation between the two providing an indication of biological condition. A site displaying no biological impairment should have an O/E taxa score close to one. The O/E taxa score will decrease as the macroinvertebrate assemblage and richness are adversely affected. ACT Government maintains 13 AUSRIVAS monitoring locations across the ACT. Sampling is undertaken twice per year (spring and autumn). Site details are provided in another dataset. The O/E taxa score (Score) is provided in this dataset, along with the siteID, Site Name, Season in which the survey was undertaken, and the Year in which the survey was undertaken.

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Additional Info

Field Value
Title AUSRIVAS dataset
Language English
Licence Not Specified
Landing Page https://data.gov.au/data/dataset/31480830-bad9-45cc-8075-a0fa2e1ddbce
Remote Last Updated 28/07/2023
Contact Point
ACT Government Open Data
no-reply@www.data.act.gov.au
Reference Period 08/07/2022
Geospatial Coverage Australian Capital Territory
Data Portal ACT

Data Source

This dataset was originally found on ACT "AUSRIVAS dataset". Please visit the source to access the original metadata of the dataset:
https://www.data.act.gov.au/d/w365-dkdh