Waroonga 100K map tile Groundwater Dependent Ecosystems (GDEs)
Mapsheet number 8545
Version 1.5
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Surface expression GDE (points)

Known GDE

Derived GDE - moderate confidence

Surface expression GDE (lines)

Derived GDE - high confidence

Permeable rock aquifers (basalts) (100 hectares or more) with fresh, intermittent groundwater connectivity regime (SURAT_RS_02A)
Channels on or within 100 metres of basalt plains and hills (100 hectares or more) with fresh, intermittent flow
Permeable rocks (rocks with predominantly primary porosity)
Surface ecosystems dependent on the surface expression of groundwater

Quaternary alluvial aquifers overlying sandstone ranges with fresh, intermittent groundwater connectivity regime (SURAT_RS_01A)
Channels on alluvia overlying sandstone ranges with fresh, intermittent flow
Surface ecosystems dependent on the surface expression of groundwater

Ecosystems intermittently connected to aquifers with brackish salinity in sandy plains (eMDB_RS_03A)
Channels within 50 metres of the contact between sandy plains and relatively low permeability rock (e.g. ironstone jump-ups and fine-grained sedimentary rock) and intermittently connected to sandy plain aquifers with brackish salinity
Surface ecosystems dependent on the surface expression of groundwater

Ecosystems intermittently connected to aquifers with fresh salinity in relatively homogenous consolidated sedimentary rock (eMDB_RS_05A)
Channels intermittently connected to aquifers with fresh salinity in relatively homogenous consolidated sedimentary rock
Consolidated sedimentary rocks (e.g. Gubberamunda Sandstone, Hooray Sandstone, Hutton Sandstone, Precipice Sandstone, Springbok Sandstone)

Derived GDE - low confidence

Permeable consolidated sedimentary rock aquifers with fresh, intermittent groundwater connectivity regime (SURAT_RS_03A)
Third order or greater channels on Springbok Sandstone with fresh, intermittent flow

Ecosystems intermittently connected to aquifers with fresh salinity in relatively heterogeneous consolidated sedimentary rock (eMDB_RS_05B)
Channels intermittently connected to aquifers with fresh salinity in relatively heterogeneous consolidated sedimentary rock
Consolidated sedimentary rocks (e.g. Kumbarilla beds, Mooga Sandstone)

Ecosystems intermittently connected to aquifers with fresh salinity in permeable rock (basalt) (eMDB_RS_06C)
Channels within 50 metres of basalt plains and hills and intermittently connected to basalt aquifers with fresh salinity

Surface expression GDE (areas)

81-100% GDE, known GDE

81-100% GDE, derived GDE - high confidence

81-100% GDE, derived GDE - moderate confidence

81-100% GDE, derived GDE - low confidence

Ecosystems intermittently connected to aquifers with fresh salinity and neutral pH in unconsolidated Quaternary alluvia (eMDB_RS_01A)
Lacustrine and palustrine wetlands intermittently connected to aquifers with fresh salinity and neutral pH in unconsolidated Quaternary alluvia

Ecosystems intermittently connected to aquifers with fresh salinity and alkaline pH in unconsolidated Quaternary alluvia (eMDB_RS_01B)
Lacustrine and palustrine wetlands intermittently connected to aquifers with fresh salinity and alkaline pH in unconsolidated Quaternary alluvia

01-80% GDE, derived GDE - high confidence

01-80% GDE, derived GDE - moderate confidence

01-80% GDE, derived GDE - low confidence

Terrestrial GDE

Permeable rock aquifers (basalts) (100 hectares or more) with fresh, intermittent groundwater connectivity regime (SURAT_RS_02A)
Treed regional ecosystems within 50 metres of a channel on basalt plains and hills (100 hectares or more) with fresh, intermittent flow
Permeable rocks (rocks with predominantly primary porosity)
Surface ecosystems dependent on the sub-surface presence of groundwater

Permeable rock aquifers (basalts) (100 hectares or more) with fresh, intermittent groundwater connectivity regime (SURAT_RS_02A)
Treed regional ecosystems within 50 metres of the edge of basalt plains and hills (100 hectares or more) with fresh, intermittent flow
Permeable rocks (rocks with predominantly primary porosity)
Surface ecosystems dependent on the sub-surface presence of groundwater

Ecosystems intermittently connected to aquifers with fresh salinity and neutral pH in unconsolidated Quaternary alluvia (eMDB_RS_01A)
Regional ecosystems dominated by Eucalyptus camaldulensis (river red gum), Eucalyptus intertexta (gum coolibah), and/or Corymbia tessellaris (Moreton Bay Ash) intermittently connected to aquifers with fresh salinity and neutral pH in unconsolidated Quate
Biodiversity status of pre-clearing and remnant regional ecosystems v10.0
Surface ecosystems dependent on the sub-surface presence of groundwater

Treed regional ecosystems within 50 metres of the edge of basalt plains and hills (100 hectares or more) with fresh, intermittent flow
81-100 Derived GDE - Moderate Confidence

Quaternary alluvial aquifers overlying sandstone ranges with fresh, intermittent groundwater connectivity regime (SURAT_RS_01A)
Treed regional ecosystems on alluvia overlying sandstone ranges with fresh, intermittent flow
81-100 Derived GDE - Moderate Confidence

Ecosystems intermittently connected to aquifers with brackish salinity in sandy plains (eMDB_RS_03A)
Deep rooted regional ecosystems intermittently connected to aquifers with brackish salinity in sandy plains where depth to groundwater is estimated to be 30 metres or less
Biodiversity status of pre-clearing and remnant regional ecosystems v10.0
81-100 Derived GDE - Moderate Confidence

Ecosystems intermittently connected to aquifers with fresh salinity and neutral pH in unconsolidated inland sand ridges (eMDB_RS_04A)
Callitris glaucophylla woodland regional ecosystems intermittently connected to inland sand ridge aquifers with fresh salinity and neutral pH
Biodiversity status of pre-clearing and remnant regional ecosystems v10.0

Ecosystems intermittently connected to aquifers with fresh salinity in relatively homogenous consolidated sedimentary rock (eMDB_RS_05A)
Deep rooted regional ecosystems within 50 metres of a channel and intermittently connected to aquifers with fresh salinity in relatively homogenous consolidated sedimentary rock
Consolidated sedimentary rocks (e.g. Gubberamunda Sandstone, Hooray Sandstone, Hutton Sandstone, Precipice Sandstone, Springbok Sandstone)

Ecosystems intermittently connected to aquifers with fresh salinity in permeable rock (basalt) (eMDB_RS_06C)
Deep rooted regional ecosystems within 50 metres of a channel and intermittently connected to basalt aquifers with fresh salinity

Ecosystems intermittently connected to aquifers with fresh salinity in permeable rock (basalt) (eMDB_RS_06C)
Deep rooted regional ecosystems within 50 metres of the edge of basalt plains and hills and intermittently connected to basalt aquifers with fresh salinity

Permeable consolidated sedimentary rock aquifers with fresh, intermittent groundwater connectivity regime (SURAT_RS_03A)
Treed regional ecosystems within 50 metres of a third order or greater channel on Springbok Sandstone with fresh, intermittent flow

Permeable rock aquifers (basalts) (less than 100 hectares) with fresh, episodic groundwater connectivity regime (SURAT_RS_02B)
Treed regional ecosystems within 20 metres of the edge of basalt plains and hills (less than 100 hectares) with fresh, episodic flow

Quaternary alluvial aquifers with fresh, intermittent groundwater connectivity regime (SURAT_RS_01C)
Treed regional ecosystems on alluvia with fresh, intermittent flow

Ecosystems intermittently connected to aquifers with fresh salinity and neutral pH in unconsolidated Quaternary alluvia (eMDB_RS_01A)
Deep rooted regional ecosystems intermittently connected to aquifers with fresh salinity and neutral pH in unconsolidated Quaternary alluvia

Riverine wetlands intermittently connected to aquifers with fresh salinity and neutral pH in unconsolidated Quaternary alluvia

Ecosystems intermittently connected to aquifers with fresh salinity and alkaline pH in unconsolidated Quaternary alluvia (eMDB_RS_01B)
Deep rooted regional ecosystems intermittently connected to aquifers with fresh salinity and alkaline pH in unconsolidated Quaternary alluvia

Ecosystems intermittently connected to aquifers with fresh salinity and alkaline pH in unconsolidated Quaternary alluvia (eMDB_RS_01B)
Riverine wetlands intermittently connected to aquifers with fresh salinity and alkaline pH in unconsolidated Quaternary alluvia

Ecosystems intermittently connected to aquifers with brackish salinity in sandy plains (eMDB_RS_03A)
Deep rooted regional ecosystems intermittently connected to aquifers with brackish salinity in sandy plains where depth to groundwater is estimated to be greater than 30 metres

Ecosystems intermittently connected to aquifers with fresh salinity in relatively heterogeneous consolidated sedimentary rock (eMDB_RS_05B)
Deep rooted regional ecosystems within 50 metres of a channel and intermittently connected to aquifers with fresh salinity in relatively heterogeneous consolidated sedimentary rock
Consolidated sedimentary rocks (e.g. Kumbarilla beds, Mooga Sandstone)

Regional ecosystems dominated by Eucalyptus camaldulensis (river red gum), Eucalyptus intertexta (gum coolibah), and/or Corymbia tessellaris (Moreton Bay Ash) intermittently connected to aquifers with fresh salinity and alkaline pH in unconsolidated Quat

Regional ecosystems dominated by Eucalyptus camaldulensis (river red gum), Eucalyptus intertexta (gum coolibah), and/or Corymbia tessellaris (Moreton Bay Ash) intermittently connected to aquifers with brackish salinity in sandy plains where depth to grou

Ecosystems intermittently connected to aquifers with fresh salinity and neutral pH in unconsolidated inland sand ridges (eMDB_RS_04A)
Callitris glaucophylla woodland regional ecosystems intermittently connected to inland sand ridge aquifers with fresh salinity and neutral pH

Deep rooted regional ecosystems within 50 metres of a channel and intermittently connected to basalt aquifers with fresh salinity

Deep rooted regional ecosystems within 50 metres of the edge of basalt plains and hills and intermittently connected to basalt aquifers with fresh salinity

Permeable consolidated sedimentary rock aquifers with fresh, intermittent groundwater connectivity regime (SURAT_RS_03A)
Riverine wetlands within 50 metres of a third order or greater channel on Springbok Sandstone with fresh, intermittent flow

Subterranean GDE (caves)

Derived GDE - unknown confidence

Potential GDE aquifer

Unconsolidated sedimentary aquifers

Quaternary alluvial aquifers overlying sandstone ranges with fresh, intermittent groundwater connectivity regime (SURAT_RS_01A)

Quaternary alluvial aquifers with fresh, intermittent groundwater connectivity regime (SURAT_RS_01C)

Ecosystems intermittently connected to aquifers with fresh salinity and neutral pH in unconsolidated inland sand ridges (eMDB_RS_04A)

Consolidated sedimentary aquifers

Quartzose sandstones (e.g. Boxvale Sandstone, Clematis Sandstone, Hutton Sandstone, Precipice Sandstone)

Ecosystems intermittently connected to aquifers with fresh salinity in relatively homogenous consolidated sedimentary rock (eMDB_RS_05A)
Biodiversity status of pre-clearing and remnant regional ecosystems v10.0; Detailed Surface Geology 2015; Geology 250K
Consolidated sedimentary rocks (e.g. Gubberamunda Sandstone, Hooray Sandstone, Hutton Sandstone, Precipice Sandstone, Springbok Sandstone)

Ecosystems intermittently connected to aquifers with fresh salinity in relatively heterogeneous consolidated sedimentary rock (eMDB_RS_05B)
Biodiversity status of pre-clearing and remnant regional ecosystems v10.0; Detailed Surface Geology 2015; Geology 250K
Consolidated sedimentary rocks (e.g. Kumbarilla beds, Mooga Sandstone)

Igneous rock aquifers

Permeable rock aquifers (basalts) (less than 100 hectares) with fresh, episodic groundwater connectivity regime (SURAT_RS_02B)

Metamorphic rock aquifers

Mixture of consolidated sedimentary, igneous and

or metamorphic rock aquifers

No identified aquifers

Detailed Surface Geology 2015; Geology 250K