Title

Estuaries 

Alternate title

ESTUARIES 

Purpose

ESTUARIES is a spatial representation of estuarine water areas. It was prepared by the Arthur Rylah Institute (DELWP) for the 2021 Index of Estuarine Condition. It was built on the work by Deakin University's assessment of catchment-based threats to estuary health. Work by Deakin University includes modifications to an earlier layer with data from a project extension that aimed to improve the spatial accuracy of upstream boundaries for selected estuaries. Details of selection of estuaries and spatial definition of mouths and heads are provided in Barton, J.L., Pope, A.J., Quinn, G.P. and Sherwood, J.E. (2008) Identifying threats to the ecological condition of Victorian estuaries (Department of Sustainability and Environment Technical Report, ISBN 978-1-74208-745-0 (online)). Additional survey work to identify locations of upstream limits resulted in modifications to 25 estuaries, upstream limits of 22 additional arms of those 25 estuaries and the exclusion of 2 previously included estuaries (Wild Dog and Anderson) on the basis of the length criteria identified in Barton et al. (2008). Spatial identification of estuarine areas will be critical to inclusion of estuaries in the river management framework that includes the expansion of fluvial condition and risk assessment methodologies to estuaries. The aim of this layer is to eventually map current estuarine extent of Victoria's estuaries to a 1:25000 or better scale. 

Status

Completed  

Topic category

• Inland waters
• Oceans

Classification

Unclassified  

Description

General - Victoria 

RFQ Number