Dalby 100K map tile Groundwater Dependent Ecosystems (GDEs)
Mapsheet number 9143
Version 1.5
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Surface expression GDE (points)

Known GDE

Bowenville Reserve
Surface ecosystems dependent on the surface expression of groundwater
Permeable rocks (rocks with predominantly primary porosity)
Riverine spring wetlands in active watercourses with permanent to semi-permanent groundwater connectivity to local groundwater flow systems (spring type 4)

Derived GDE - moderate confidence

Surface expression GDE (lines)

Derived GDE - high confidence

Ecosystems intermittently connected to aquifers with brackish salinity and neutral pH in unconsolidated Quaternary alluvia supported by groundwater flow from geologically stratified, fractured basalt aquifers in low rainfall areas (eMDB_RS_01M)
Channels intermittently connected to alluvial aquifers with brackish salinity and neutral pH supported by groundwater flow from basalt aquifers
Surface ecosystems dependent on the surface expression of groundwater
Alluvia supported by groundwater flow from basalt

Ecosystems intermittently connected to aquifers with saline salinity and neutral pH in unconsolidated Quaternary alluvia supported by groundwater flow from geologically stratified, fractured basalt aquifers in low rainfall areas (eMDB_RS_01N)
Channels intermittently connected to alluvial aquifers with saline salinity and neutral pH supported by groundwater flow from basalt aquifers
Surface ecosystems dependent on the surface expression of groundwater
Alluvia supported by groundwater flow from basalt

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

Ecosystems intermittently connected to aquifers with fresh salinity in permeable rock (basalt) in low rainfall areas (eMDB_RS_06B)
Channels intermittently connected to basalt aquifers with fresh salinity in low rainfall areas

Derived GDE - low confidence

Ecosystems intermittently connected to aquifers with fresh salinity and neutral pH in unconsolidated Quaternary alluvia in the Condamine River drainage basin sub-area (eMDB_RS_01S)
Channels intermittently connected to aquifers with fresh salinity and neutral pH in unconsolidated Quaternary alluvia in the Condamine River drainage basin sub-area

Ecosystems intermittently connected to aquifers with brackish salinity and neutral pH in unconsolidated Quaternary alluvia in the Condamine River drainage basin sub-area (eMDB_RS_01U)
Channels intermittently connected to aquifers with brackish salinity and neutral pH in unconsolidated Quaternary alluvia in the Condamine River drainage basin sub-area

Ecosystems intermittently connected to aquifers with saline salinity and neutral pH in unconsolidated Quaternary alluvia in the Condamine River drainage basin sub-area (eMDB_RS_01W)
Channels intermittently connected to aquifers with saline salinity and neutral pH in unconsolidated Quaternary alluvia in the Condamine River drainage basin sub-area

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)

Surface expression GDE (areas)

81-100% GDE, known GDE

81-100% GDE, derived GDE - high confidence

Ecosystems intermittently connected to aquifers with brackish salinity and neutral pH in unconsolidated Quaternary alluvia supported by groundwater flow from geologically stratified, fractured basalt aquifers in low rainfall areas (eMDB_RS_01M)
Lacustrine wetlands, palustrine wetlands, and riverine waterbodies intermittently connected to alluvial aquifers with brackish salinity and neutral pH supported by groundwater flow from basalt aquifers
Alluvia supported by groundwater flow from basalt

81-100% GDE, derived GDE - moderate confidence

Ecosystems intermittently connected to aquifers with fresh salinity in permeable rock (basalt) in low rainfall areas (eMDB_RS_06B)
Riverine waterbodies within 50 metres of a channel and intermittently connected to basalt aquifers with fresh salinity in low rainfall areas
81-100 Derived GDE - Moderate Confidence

Ecosystems intermittently connected to aquifers with fresh salinity in permeable rock (basalt) in low rainfall areas (eMDB_RS_06B)
Riverine waterbodies withint 50 metres of the edge of basalt plains and hills and intermittently connected to basalt aquifers with fresh salinity in low rainfall areas
81-100 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 in the Condamine River drainage basin sub-area (eMDB_RS_01S)
Lacustrine and palustrine wetlands intermittently connected to aquifers with fresh salinity and neutral pH in unconsolidated Quaternary alluvia in the Condamine River drainage basin sub-area

Ecosystems intermittently connected to aquifers with brackish salinity and neutral pH in unconsolidated Quaternary alluvia in the Condamine River drainage basin sub-area (eMDB_RS_01U)
Lacustrine and palustrine wetlands intermittently connected to aquifers with brackish salinity and neutral pH in unconsolidated Quaternary alluvia in the Condamine River drainage basin sub-area

Ecosystems intermittently connected to aquifers with saline salinity and neutral pH in unconsolidated Quaternary alluvia in the Condamine River drainage basin sub-area (eMDB_RS_01W)
Lacustrine and palustrine wetlands intermittently connected to aquifers with saline salinity and neutral pH in unconsolidated Quaternary alluvia in the Condamine River drainage basin sub-area

01-80% GDE, derived GDE - high confidence

01-80% GDE, derived GDE - moderate confidence

01-80% GDE, derived GDE - low confidence

Terrestrial GDE

Ecosystems intermittently connected to aquifers with brackish salinity and neutral pH in unconsolidated Quaternary alluvia supported by groundwater flow from geologically stratified, fractured basalt aquifers in low rainfall areas (eMDB_RS_01M)
Deep rooted regional ecosystems intermittently connected to alluvial aquifers with brackish salinity and neutral pH supported by groundwater flow from basalt aquifers
Biodiversity status of pre-clearing and remnant regional ecosystems v10.0
Surface ecosystems dependent on the sub-surface presence of groundwater

Ecosystems intermittently connected to aquifers with saline salinity and neutral pH in unconsolidated Quaternary alluvia supported by groundwater flow from geologically stratified, fractured basalt aquifers in low rainfall areas (eMDB_RS_01N)
Deep rooted regional ecosystems intermittently connected to alluvial aquifers with saline salinity and neutral pH supported by groundwater flow from basalt aquifers
Biodiversity status of pre-clearing and remnant regional ecosystems v10.0
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 in the Condamine River drainage basin sub-area (eMDB_RS_01S)
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

Ecosystems intermittently connected to aquifers with brackish salinity and neutral pH in unconsolidated Quaternary alluvia in the Condamine River drainage basin sub-area (eMDB_RS_01U)
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 and neutral pH in unconsolidated Qu

Ecosystems intermittently connected to aquifers with saline salinity and neutral pH in unconsolidated Quaternary alluvia in the Condamine River drainage basin sub-area (eMDB_RS_01W)
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 saline salinity and neutral pH in unconsolidated Quat

Ecosystems intermittently connected to aquifers with brackish salinity in sandy plains (eMDB_RS_03A)
Deep rooted regional ecosystems 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 salin
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

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

Deep rooted regional ecosystems withint 50 metres of the edge of basalt plains and hills and intermittently connected to basalt aquifers with fresh salinity in low rainfall areas

Deep rooted regional ecosystems intermittently connected to aquifers with fresh salinity and neutral pH in unconsolidated Quaternary alluvia in the Condamine River drainage basin sub-area

Riverine wetlands intermittently connected to aquifers with fresh salinity and neutral pH in unconsolidated Quaternary alluvia in the Condamine River drainage basin sub-area

Deep rooted regional ecosystems intermittently connected to aquifers with brackish salinity and neutral pH in unconsolidated Quaternary alluvia in the Condamine River drainage basin sub-area

Riverine wetlands intermittently connected to aquifers with brackish salinity and neutral pH in unconsolidated Quaternary alluvia in the Condamine River drainage basin sub-area

Deep rooted regional ecosystems intermittently connected to aquifers with saline salinity and neutral pH in unconsolidated Quaternary alluvia in the Condamine River drainage basin sub-area

Riverine wetlands intermittently connected to aquifers with saline salinity and neutral pH in unconsolidated Quaternary alluvia in the Condamine River drainage basin sub-area

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)

Subterranean GDE (caves)

Derived GDE - unknown confidence

Potential GDE aquifer

Unconsolidated sedimentary aquifers

Ecosystems intermittently connected to aquifers with saline salinity and neutral pH in unconsolidated Quaternary alluvia supported by groundwater flow from geologically stratified, fractured basalt aquifers in low rainfall areas (eMDB_RS_01N)

Ecosystems intermittently connected to perched aquifers with fresh salinity and neutral pH in unconsolidated Quaternary alluvia in the Condamine River drainage basin sub-area (eMDB_RS_01T)

Ecosystems intermittently connected to perched aquifers with brackish salinity and neutral pH in unconsolidated Quaternary alluvia in the Condamine River drainage basin sub-area (eMDB_RS_01V)

Ecosystems intermittently connected to perched aquifers with saline salinity and neutral pH in unconsolidated Quaternary alluvia in the Condamine River drainage basin sub-area (eMDB_RS_01X)

Consolidated sedimentary aquifers

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

Metamorphic rock aquifers

Mixture of consolidated sedimentary, igneous and

or metamorphic rock aquifers

No identified aquifers