Indicative distribution
The areas shown in pink and/purple are the sub-regions where the species or community is known or predicted to occur. They may not occur thoughout the sub-region but may be restricted to certain areas.
(
click here to see geographic restrictions).
The information presented in this map is only indicative and may contain errors and omissions.
Scientific name: Coastal Upland Swamps in the Sydney Basin Bioregion
Gazetted date:
17 Jul 2014
Profile last updated:
21 Oct 2024
Description
The Coastal Upland Swamps in the Sydney Basin Bioregion ecological community (hereafter referred to as Coastal Upland Swamps or the ecological community) includes a range of vegetation and fauna associated with periodically waterlogged soils on the Hawkesbury sandstone plateaux. Vegetation types include open graminoid heath, sedgeland and tall scrub. The national ecological community corresponds with the ecological community of the same name that is listed under the NSW Threatened Species Conservation Act 1995. The Coastal Upland Swamps in the Sydney Basin Bioregion ecological community is endemic to NSW, occurring within the eastern part of the Sydney Basin IBRA bioregion In the south the ecological community primarily occurs on the Woronora plateau, and in the north, predominantly on the Somersby-Hornsby plateaux. The southern part of this distribution is separated from the north by areas characterised by non-sandstone substrates, lower effective rainfall, lower elevation, and the extensive urban development of Sydney. The Coastal Upland Swamps community is characterised by highly diverse and variable mosaics of vegetation depending on soil conditions, size of the site, recent rainfall conditions, fire regimes and disturbance history (NSW Scientific Committee, 2012). The total number of vascular plants species for the community is likely to exceed 200 (NSW Scientific Committee, 2012). An indicative list of vascular plant species characteristic of the Coastal Upland Swamps is given in Table 1. The ecological community also includes a wide range of micro-organisms, fungi, and cryptogamic plants (NSW Scientific Committee, 2012) that are not listed here. Larger swamps in the ecological community may consist of a range of structural forms which include tall open scrubs, tall closed scrubs, closed heaths, open graminoid heaths, sedgelands and fernlands. Smaller swamps are more typically characterised by open graminoid heaths and/or sedgelands, but may include tall scrub (NSW Scientific Committee, 2012). Coastal Upland Swamps are characterised by a diverse assemblage of vegetation and are essentially treeless, although trees may be present as scattered individuals or isolated clumps of eucalypts, including mallees (Keith and Myerscough, 1993; NSW Scientific Committee, 2012). Many plant species within the swamps are absent from or uncommon in the surrounding landscape, making the Coastal Upland Swamps distinctive and recognisable (Keith and Myerscough, 1993; Keith, 2013). In order to meet the definition of the TEC sites must satisfy condition criteria stipulated in the Listing Advice and/or Conservation Advice. Typically condition is assessed by reference to patch size and vegetation structure thresholds or species composition metrics.
Distribution
Regional distribution and habitat
Click on a region below to view detailed distribution, habitat and vegetation information.
Recovery strategies
Priority actions are the specific, practical things that must be done to recover a threatened species, population or ecological
community. The Office of Environment and Heritage has identified
0 priority actions
to help recover the Coastal Upland Swamps in the Sydney Basin Bioregion in New South Wales.
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