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Abstract	The Conservation of Freshwater Ecosystem Values (CFEV) (pronounced "see-fev") program is an initiative of the Department of Primary Industries, Parks, Water and Environment (DPIPWE). Its aim is to ensure that priority freshwater values are appropriately considered in the development, management and conservation of the state's water resources. The program has undertaken an assessment of the conservation management priorities (CMP) of all freshwater ecosystems throughout the state. Through its comprehensive audit of the state's freshwater ecosystems, the CFEV program offers the first Comprehensive, Adequate and Representative (CAR) assessment of freshwater ecosystems conducted in Australia. This data is provided to support the Australian Maritime Safety Authority’s Oil Spill Response Atlas (OSRA) project.
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TAS Only

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A saltmarsh spatial data layer was developed using the TASVEG data layer. TASVEG codes of Ms (succulent saltmarsh), Mg (graminoid saltmarsh) and Ma (generic saltmarsh) were selected from the vegetation data layer to identify all areas of saltmarsh in Tasmania. Many of the saltmarsh areas were mapped as fragments, therefore, manual clustering was undertaken to group neighbouring polygons. The polygons were subsequently dissolved into multi-part polygons, enabling them to be treated as one polygon. Inland saltmarshes were removed, as these were included as salt lakes within the CFEV waterbodies layer. The vegetation types from TASVEG were assigned to each of the saltmarsh spatial units.

Data Limitations:
It is considered that the current geographical extent of saltmarshes across Tasmania is far less than existed pre-European settlement. It is therefore likely, that this mapped layer of saltmarshes contains a fragmented representation of the extent of their pre-European settlement distribution. 
As per the TASVEG data set.

Scale and coverage:
1:25,000; Statewide

References:
DPIW. (2003). TASVEG 0.1 May 2003. Tasmanian Monitoring and Mapping Program. Department of Primary Industries and Water, Hobart. 
Harris, S., and Kitchener, A. (2003). Tasmania's vegetation: a technical manual for TASVEG, Tasmania's vegetation map: Version 1.0. (Draft). Department of Primary Industries, Water and Environment, Hobart.

Input data:
Tasmanian Vegetation Map (TASVEG) data layer (version 0.1 May 2004 interim data set released prior to the release of TASVEG Version 1.0), DPIW

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	Conservation Values - Saltmarshes (CFEV)

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