From Western Australia Government
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WAMSI Node 4.2.1b - Development and validation of an estuarine health index for the Swan Estuary

Created 05/05/2025

Updated 05/05/2025

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This project (WAMSI Node 4.2.1b) aimed to develop an index for assessing the health of the Swan Estuary, based on fish assemblage characteristics. The index incorporates a suite of metrics, each of which measures a different aspect of the fish community, e.g. species diversity and composition, use of the Estuary as a nursery habitat, and the trophic structure (the feeding relationships between species) of the estuarine fish community.The study incorporated and utilized historical data from 1977-2004, plus current sampling (2007-2009), to establish reference conditions for multiple fish community metrics, against which the recent, current and future status of the estuary is assessed. Data is available as two Excel spreadsheets: Establishing_reference_and_scoring_seine_Metrics.xls Establishing_reference_and_scoring_gill_Metrics.xls The gill net and seine net files contain, respectively, for each offshore and nearshore historical fish sample collected between 1976 and 2009: (i) the raw values calculated for each of the selected fish metrics comprising the offshore and nearshore health indices; (ii) the corresponding metric scores (i.e. scored in comparison to the appropriate reference conditions I derived for each metric); and (iii) the final health index scores for each historical sample. The historical studies used in the project are all detailed in the final report.

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Field Value
Title WAMSI Node 4.2.1b - Development and validation of an estuarine health index for the Swan Estuary
Language English
Licence Creative Commons Attribution Share-Alike 3.0 Australia
Landing Page https://devweb.dga.links.com.au/data/dataset/6c2a7801-2d45-4ba4-88a0-3aef281c3beb
Remote Last Updated 11/04/2025
Contact Point
Western Australian Marine Science Institution
C.Hallett@murdoch.edu.au
Reference Period 03/05/2018
Geospatial Coverage {"type": "MultiPolygon", "coordinates": [[[ [116, -32.1], [116, -31.9], [115.7, -31.9], [115.7, -32.1], [116, -32.1]]]]}
Data Portal data.gov.au

Data Source

This dataset was originally found on Western Australia Government "WAMSI Node 4.2.1b - Development and validation of an estuarine health index for the Swan Estuary". Please visit the source to access the original metadata of the dataset:
https://catalogue.data.wa.gov.au/dataset/wamsi-node-4-2-1b-development-and-validation-of-an-estuarine-health-index-for-the-swan-estu_1b6