Childers 100K map tile Groundwater Dependent Ecosystems (GDEs)
Mapsheet number 9347
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

Alluvia on fractured hard rock (granites and Agnes Water Volcanics) - WBB (WBB_RS_068)
Channels on alluvia on fractured rock including granites and Agnes Water Volcanics
Surface ecosystems dependent on the surface expression of groundwater

Channels on coastal dunes below 50 metres elevation (no elevation limit on Fraser Island)
Surface ecosystems dependent on the surface expression of groundwater

GDE (baseflow) according to local expert knowledge (KNOWN SITE)
GDE (baseflow) according to local expert knowledge
Surface ecosystems dependent on the surface expression of groundwater

Permeable geologies including deeply weathered basalts (red soils) - WBB (WBB_RS_04)
Channels incised into permeable geologies (listed streams)
Permeable rocks (rocks with predominantly primary porosity)

Alluvia on deeply weathered intrusive rock (granites) - WBB (WBB_RS_05)

Permeable geologies including deeply weathered basalts (red soils) - WBB (WBB_RS_04)
Channels on permeable geologies including deeply weathered basalts (red soils)
Permeable rocks (rocks with predominantly primary porosity)

Derived GDE - low confidence

Permeable geologies (Elliott Formation) - WBB (WBB_RS_07)
Permeable rocks (rocks with predominantly primary porosity)

Surface expression GDE (areas)

81-100% GDE, known GDE

81-100% GDE, derived GDE - high confidence

Wetlands (excluding riverine REs) on coastal sand mass below 50 metres elevation (no elevation limit on Fraser Island)

81-100% GDE, derived GDE - moderate confidence

81-100 Derived GDE - Moderate Confidence

Vegetation (RE list) fringing channels indicating seeps and soaks on alluvia
81-100 Derived GDE - Moderate Confidence

Wetlands (excluding riverine REs) on alluvia
81-100 Derived GDE - Moderate Confidence

Alluvia on deeply weathered intrusive rock (granites) - WBB (WBB_RS_05)
Wetlands (excluding riverine REs) on alluvia on deeply weathered granites

Permeable geologies including deeply weathered basalts (red soils) - WBB (WBB_RS_04)
Channels (RE 12.3.7b) on permeable geologies

Wetlands (excluding riverine REs) on permeable geologies including deeply weathered basalts (red soils)

81-100% GDE, derived GDE - low confidence

Permeable geologies (Elliott Formation) - WBB (WBB_RS_07)
Swamp or sedge-heath dominant (RE 12.5.4a or 12.5.9) or 12.5.10 sub-dominant vegetation on Elliott Formation

01-80% GDE, derived GDE - high confidence

01-80% GDE, derived GDE - moderate confidence

Vegetation indicating seeps and soaks on permeable geology including deeply weathered basalts (red soils) contact zone

01-80% GDE, derived GDE - low confidence

Terrestrial GDE

Non-wetland vegetation on coastal dunes (land zone 2 REs)
Surface ecosystems dependent on the sub-surface presence of groundwater

Non-wetland vegetation on alluvia (land zone 3 REs)
Surface ecosystems dependent on the sub-surface presence of groundwater

Riverine RE vegetation fringing channels on alluvia
Surface ecosystems dependent on the sub-surface presence of groundwater

Vegetation (RE list) fringing channels indicating seeps and soaks on alluvia

Alluvia on deeply weathered intrusive rock (granites) - WBB (WBB_RS_05)
Riverine RE vegetation fringing channels on alluvia on deeply weathered granites

Vegetation fringing channels on alluvia on deeply weathered granites

Non-wetland vegetation on permeable geologies including deeply weathered basalts (red soils)

Riverine RE vegetation fringing channels on permeable geologies including deeply weathered basalts (red soils)

Alluvia on fractured hard rock (granites and Agnes Water Volcanics) - WBB (WBB_RS_068)
Non-wetland vegetation fringing channels on alluvia on fractured rocks including granites and Agnes Water Volcanics

Alluvia on fractured hard rock (granites and Agnes Water Volcanics) - WBB (WBB_RS_068)
Riverine RE vegetation fringing channels on fractured rocks including granites and Agnes Water Volcanics

Permeable geologies (Elliott Formation) - WBB (WBB_RS_07)
Banksia (RE 12.5.10) dominant or 12.5.4a or 12.5.9 sub-dominant vegetation on Elliott Formation

Swamp or sedge-heath dominant (RE 12.5.4a or 12.5.9) or 12.5.10 sub-dominant vegetation on Elliott Formation

Subterranean GDE (caves)

Derived GDE - unknown confidence

Potential GDE aquifer

Unconsolidated sedimentary aquifers

Consolidated sedimentary aquifers

Igneous rock aquifers

Metamorphic rock aquifers

Mixture of consolidated sedimentary, igneous and

or metamorphic rock aquifers

No identified aquifers