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Index of Estuarine Condition Estuarine Fringing Vegetation

Created 26/06/2025

Updated 26/06/2025

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IEC2021_ FRINGING _VEG is the spatial representation of fringing vegetation used in the calculation of Index of Estuarine Condition (IEC) scores. In the context of the IEC, 'fringing vegetation' refers to the vegetation which grows above the permanently inundated portion of the estuary but within the zone of influence of the more-or-less saline estuarine waters. It includes vegetation in intertidal areas and riparian areas in the estuary but not subtidal vegetation (see Sinclair and Kohout 2018 for more precise working definitions of vegetation zones). In the field, the extent of the fringing vegetation and any built structures that impinge on it were mapped (by annotating an aerial photograph). Fringing vegetation was mapped according to Ecological Vegetation Classes (EVC) (https://www.environment.vic.gov.au/biodiversity/bioregions-and-evc-benchmarks) and subjectively classified into areas of different condition with reference to vegetation structure, weediness and land use. Each patch of vegetation that could be accessed was scored for its degree of invasion by perennial weeds and its structural resemblance to a relevant benchmark (https://www.environment.vic.gov.au/biodiversity/bioregions-and-evc-benchmarks). Additional observations were recorded on the score sheet, relating to Health of the dominant plant species¿ andExtent of engineered hydrological modifications¿. Scores were estimated for the areas that could not be observed. These estimated scores were based on the areas that were observed. The areas of all relevant polygons were calculated, and a score produced for each metric (IEC Report 2021).

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Additional Info

Field Value
Title Index of Estuarine Condition Estuarine Fringing Vegetation
Language English
Licence Creative Commons Attribution 3.0 Australia
Landing Page https://data.gov.au/data/dataset/3eb85a3d-33b3-4f71-b522-88329c62d608
Remote Last Updated 04/04/2025
Contact Point
Department of Energy, Environment and Climate Action
contact@dpc.vic.gov.au
Reference Period 07/09/2021
Geospatial Coverage Victoria
Data Portal Victoria Government

Data Source

This dataset was originally found on Victoria Government "Index of Estuarine Condition Estuarine Fringing Vegetation". Please visit the source to access the original metadata of the dataset:
https://discover.data.vic.gov.au/dataset/index-of-estuarine-condition-estuarine-fringing-vegetation