Oakey 100K map tile Groundwater Dependent Ecosystems (GDEs)
Mapsheet number 9243
Version 1.5
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Surface expression GDE (points)

Known GDE

JONDARYAN WOOLSHED
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)

SPRING CREEK
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)

MERIGANDAN CREEK
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)

LILLIGREN SPRING

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
Alluvia supported by groundwater flow from basalt

Alluvial aquifers with intermittent flow - SEQ (SEQ_RS_22)
Channels on alluvia with intermittent flow

Alluvial aquifers with near-permanent flow - SEQ (SEQ_RS_21)
Channels on alluvia with near-permanent flow

Alluvial aquifers with permanent natural flow - SEQ (SEQ_RS_20)
Channels on alluvia with permanent natural flow

High rainfall permeable geologies (basalts) - WBB (WBB_RS_09)
Channels on or extending up to 1 kilometre from permeable basalts with high rainfall

High rainfall permeable rocks (basalts) with near-permanent flow - SEQ (SEQ_RS_01)
Channels on or extending up to 1 kilometre from basalt and basalt colluvium with high rainfall and near-permanent flow

Low rainfall &/or low capacity permeable rocks (basalts) - SEQ (SEQ_RS_03)
Channels on or extending up to 100 metres from low rainfall &/or low capacity basalt

Ecosystems intermittently connected to aquifers with brackish salinity in unconsolidated Quaternary alluvia associated with catchment constrictions (eMDB_RS_02B)
Channels intermittently connected to alluvial aquifers with brackish salinity associated with catchment constrictions

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)

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

Fractured igneous rocks with intermittent flow - SEQ (SEQ_RS_17)
Channels on fractured igneous rocks with intermittent flow
Fractured rocks (rocks with predominantly secondary porosity)

Fractured metamorphic rocks - SEQ (SEQ_RS_15)
Fractured rocks (rocks with predominantly secondary porosity)

Low porosity fractured sedimentary rocks - SEQ (SEQ_RS_14)
>3rd order channels on low porosity fractured sedimentary rocks

Low porosity sedimentary rocks with intermittent flow - SEQ (SEQ_RS_06)
Channels, excluding uppermost tributaries, on low porosity sedimentary rocks with intermittent flow

Sedimentary rocks with saline flow - SEQ (SEQ_RS_06a)
Channels excluding uppermost tributaries on sedimentary rocks with saline flow

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 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

Alluvial aquifers with permanent natural flow - SEQ (SEQ_RS_20)
Lacustrine and palustrine wetlands and riverine water bodies on alluvia with permanent natural flow
81-100 Derived GDE - Moderate Confidence

Ecosystems intermittently connected to aquifers with brackish salinity in unconsolidated Quaternary alluvia associated with catchment constrictions (eMDB_RS_02B)
Lacustrine wetlands, palustrine wetlands, and riverine waterbodies intermittently connected to alluvial aquifers with brackish salinity associated with catchment constrictions
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)
Lacustrine and palustrine wetlands within 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

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

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% GDE, derived GDE - low confidence

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

Lacustrine and palustrine wetlands intermittently connected to basalt aquifers with fresh salinity in low rainfall areas

01-80% GDE, derived GDE - high confidence

01-80% GDE, derived GDE - moderate confidence

High rainfall permeable geologies (basalts) - WBB (WBB_RS_09)
Non-wetland vegetation fringing channels indicating seeps and soaks on basalt geology contact zone with high rainfalll

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
Alluvia supported by groundwater flow from basalt

Riverine wetlands intermittently connected to alluvial aquifers with brackish salinity and neutral pH supported by groundwater flow from basalt aquifers
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
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 perched 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 perched aquifers with brackish salinity and neutral pH in unconsoli
Biodiversity status of pre-clearing and remnant regional ecosystems v10.0

Alluvial aquifers with intermittent flow - SEQ (SEQ_RS_22)
Treed regional ecosystems and riverine wetlands on alluvia with intermittent flow

Alluvial aquifers with near-permanent flow - SEQ (SEQ_RS_21)
Treed regional ecosystems on alluvia with near-permanent flow

Alluvial aquifers with permanent natural flow - SEQ (SEQ_RS_20)
Treed regional ecosystems and riverine wetlands on alluvia with permanent natural flow

High rainfall permeable rocks (basalts) with near-permanent flow - SEQ (SEQ_RS_01)
Treed regional ecosystems and riverine wetlands fringing streams on basalt, basalt colluvium or within basalt contact zone, with high rainfall

Low rainfall &/or low capacity permeable rocks (basalts) - SEQ (SEQ_RS_03)
Mesic ecosystems on low rainfall &/or low capacity basalt, or treed regional ecosystems and riverine wetlands fringing streams on low rainfall &/or low capacity basalt,associated colluvium or within basalt contact zone

Ecosystems intermittently connected to aquifers with brackish salinity in unconsolidated Quaternary alluvia associated with catchment constrictions (eMDB_RS_02B)
Deep rooted regional ecosystems intermittently connected to alluvial aquifers with brackish salinity associated with catchment constrictions

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

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)

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

Fractured igneous rocks with intermittent flow - SEQ (SEQ_RS_17)
Treed regional ecosystems and riverine wetlands fringing channels on fractured igneous rocks with intermittent flow
Fractured rocks (rocks with predominantly secondary porosity)

Low porosity fractured sedimentary rocks - SEQ (SEQ_RS_14)
Mesic regional ecosystems on low porosity fractured sedimentary rocks

Low porosity sedimentary rocks with intermittent flow - SEQ (SEQ_RS_06)
Treed regional ecosystems and riverine wetlands fringing channels on low porosity sedimentary rocks with intermittent flow

Sedimentary rocks with saline flow - SEQ (SEQ_RS_06a)
Treed regional ecosystems and riverine wetlands fringing channels on sedimentary rocks with saline flow

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

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)

High rainfall permeable geologies (basalts) - WBB (WBB_RS_09)
Non-wetland vegetation fringing channels indicating seeps and soaks on basalt geology contact zone with high rainfall

Fractured metamorphic rocks - SEQ (SEQ_RS_15)
Mesic ecosystems on fractured metamorphic rocks

Subterranean GDE (caves)

Derived GDE - unknown confidence

Potential GDE aquifer

Unconsolidated sedimentary aquifers

Alluvial aquifers with intermittent flow (SEQ_RS_22)

Alluvial aquifers with near-permanent flow (SEQ_RS_21)

Alluvial aquifers with permanent natural flow (SEQ_RS_20)

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 aquifers with brackish salinity in sandy plains (eMDB_RS_03A)

Consolidated sedimentary aquifers

Low porosity fractured sedimentary rocks (SEQ_RS_14)

Low porosity sedimentary rocks with intermittent flow (SEQ_RS_06)

Sedimentary rocks with saline flow (SEQ_RS_06a)

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

Fractured igneous rocks with intermittent flow (SEQ_RS_17)

High rainfall permeable rocks (basalts) with near-permanent flow (SEQ_RS_01)

Low rainfall &/or low capacity permeable rocks (basalts) (SEQ_RS_03)

Metamorphic rock aquifers

Mixture of consolidated sedimentary, igneous and

or metamorphic rock aquifers

No identified aquifers