Gympie 100K map tile Groundwater Dependent Ecosystems (GDEs)
Mapsheet number 9445
Version 1.5
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Surface expression GDE (points)

Known GDE

Mount Cooroy Spring
Surface ecosystems dependent on the surface expression of groundwater
Fractured rocks (rocks with predominantly secondary porosity)

Derived GDE - moderate confidence

Surface expression GDE (lines)

Derived GDE - high confidence

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

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

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

Derived GDE - low 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

Fractured igneous rocks with near-permanent flow - SEQ (SEQ_RS_16)
Channels on fractured igneous rocks with near-permanent flow
Fractured rocks (rocks with predominantly secondary 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

Alluvial aquifers with near-permanent flow - SEQ (SEQ_RS_21)
Lacustrine and palustrine wetlands and riverine water bodies on alluvia with near-permanent flow

High rainfall permeable geologies (basalts) - WBB (WBB_RS_09)
Wetlands (excluding riverine REs) within basalt geology contact zone with high rainfall
Permeable rocks (rocks with predominantly primary porosity)

81-100% GDE, derived GDE - low confidence

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
Permeable rocks (rocks with predominantly primary porosity)

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

Treed regional ecosystems on alluvia with near-permanent flow

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

Fractured igneous rocks with near-permanent flow - SEQ (SEQ_RS_16)
Treed regional ecosystems and riverine wetlands fringing channels on fractured igneous rocks with near-permanent flow
Fractured rocks (rocks with predominantly secondary porosity)

Non-wetland vegetation fringing channels indicating seeps and soaks on basalt geology contact zone with high rainfall

Subterranean GDE (caves)

Derived GDE - unknown confidence

Potential GDE aquifer

Unconsolidated sedimentary aquifers

Alluvial aquifers with near-permanent flow (SEQ_RS_21)

Consolidated sedimentary aquifers

Igneous rock aquifers

Fractured igneous rocks with near-permanent flow (SEQ_RS_16)

Metamorphic rock aquifers

Mixture of consolidated sedimentary, igneous and

or metamorphic rock aquifers

No identified aquifers