Drake 100K map tile Groundwater Dependent Ecosystems (GDEs)
Mapsheet number 9340
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

Ecosystems near-permanently connected to aquifers with fresh salinity and neutral pH in unconsolidated Quaternary alluvia supported by groundwater flow from permeable rock (granite) aquifers in low rainfall areas (eMDB_RS_01I)
Channels near-permanently connected to aquifers with fresh salinity and neutral pH in unconsolidated Quaternary alluvia supported by groundwater flow from permeable rock (granite) aquifers in low rainfall areas
Surface ecosystems dependent on the surface expression of groundwater
Alluvia supported by groundwater flow from granite

Ecosystems near-permanently connected to aquifers with fresh salinity and neutral pH in unconsolidated Quaternary alluvia supported by groundwater flow from permeable rock (granite) aquifers in high rainfall areas (eMDB_RS_01Q)
Channels near-permanently connected to aquifers with fresh salinity and neutral pH in unconsolidated Quaternary alluvia supported by groundwater flow from permeable rock (granite) aquifers in high rainfall areas
Surface ecosystems dependent on the surface expression of groundwater
Alluvia supported by groundwater flow from granite

Ecosystems near-permanently connected to aquifers with fresh salinity in fractured rock (granite) in high rainfall areas (eMDB_RS_07D)
Channels near-permanently connected to granite aquifers with fresh salinity in high rainfall areas
Surface ecosystems dependent on the surface expression of groundwater

Ecosystems intermittently connected to aquifers with fresh salinity in fractured rock (granite) in low rainfall areas (eMDB_RS_07A)
First or second order channels intermittently connected to granite aquifers with fresh salinity in low rainfall areas

Ecosystems near-permanently connected to aquifers with fresh salinity in fractured rock (granite) in low rainfall areas (eMDB_RS_07B)
First or second order channels near-permanently connected to granite aquifers with fresh salinity in low rainfall areas

Ecosystems intermittently connected to aquifers with fresh salinity in fractured rock (granite) in high rainfall areas (eMDB_RS_07C)
First order channels intermittently connected to granite aquifers with fresh salinity in high rainfall areas

Derived GDE - low confidence

Surface expression GDE (areas)

81-100% GDE, known GDE

81-100% GDE, derived GDE - high confidence

81-100% GDE, derived GDE - moderate confidence

Ecosystems near-permanently connected to aquifers with fresh salinity in fractured rock (granite) in high rainfall areas (eMDB_RS_07D)
Lacustrine wetlands, palustrine wetlands, and riverine waterbodies within 50 metres of a channel and near-permanently connected to granite aquifers with fresh salinity in high rainfall areas
81-100 Derived GDE - Moderate Confidence

81-100% GDE, derived GDE - low confidence

01-80% GDE, derived GDE - high confidence

Ecosystems near-permanently connected to aquifers with fresh salinity and neutral pH in unconsolidated Quaternary alluvia supported by groundwater flow from permeable rock (granite) aquifers in high rainfall areas (eMDB_RS_01Q)
Lacustrine wetlands, palustrine wetlands, and riverine waterbodies near-permanently connected to aquifers with fresh salinity and neutral pH in unconsolidated Quaternary alluvia supported by groundwater flow from permeable rock (granite) aquifers in high
Alluvia supported by groundwater flow from granite

01-80% GDE, derived GDE - moderate confidence

Ecosystems intermittently connected to aquifers with fresh salinity in fractured rock (granite) in high rainfall areas (eMDB_RS_07C)
Lacustrine wetlands, palustrine wetlands, and riverine waterbodies within 50 metres of a channel and intermittently connected to granite aquifers with fresh salinity in high rainfall areas

Ecosystems near-permanently connected to aquifers with fresh salinity in fractured rock (granite) in high rainfall areas (eMDB_RS_07D)
Lacustrine wetlands, palustrine wetlands, and riverine waterbodies within 50 metres of a channel and near-permanently connected to granite aquifers with fresh salinity in high rainfall areas

01-80% GDE, derived GDE - low confidence

Terrestrial GDE

Ecosystems near-permanently connected to aquifers with fresh salinity and neutral pH in unconsolidated Quaternary alluvia supported by groundwater flow from permeable rock (granite) aquifers in low rainfall areas (eMDB_RS_01I)
Deep rooted regional ecosystems near-permanently connected to aquifers with fresh salinity and neutral pH in unconsolidated Quaternary alluvia supported by groundwater flow from permeable rock (granite) aquifers in low rainfall areas
Biodiversity status of pre-clearing and remnant regional ecosystems v10.0
Surface ecosystems dependent on the sub-surface presence of groundwater

Ecosystems near-permanently connected to aquifers with fresh salinity and neutral pH in unconsolidated Quaternary alluvia supported by groundwater flow from permeable rock (granite) aquifers in low rainfall areas (eMDB_RS_01I)
Riverine wetlands near-permanently connected to aquifers with fresh salinity and neutral pH in unconsolidated Quaternary alluvia supported by groundwater flow from permeable rock (granite) aquifers in low rainfall areas
Surface ecosystems dependent on the sub-surface presence of groundwater

Ecosystems near-permanently connected to aquifers with fresh salinity and neutral pH in unconsolidated Quaternary alluvia supported by groundwater flow from permeable rock (granite) aquifers in high rainfall areas (eMDB_RS_01Q)
Deep rooted regional ecosystems near-permanently connected to aquifers with fresh salinity and neutral pH in unconsolidated Quaternary alluvia supported by groundwater flow from permeable rock (granite) aquifers in high rainfall areas
Biodiversity status of pre-clearing and remnant regional ecosystems v10.0
Surface ecosystems dependent on the sub-surface presence of groundwater

Riverine wetlands near-permanently connected to aquifers with fresh salinity and neutral pH in unconsolidated Quaternary alluvia supported by groundwater flow from permeable rock (granite) aquifers in high rainfall areas

Ecosystems intermittently connected to aquifers with fresh salinity in fractured rock (granite) in high rainfall areas (eMDB_RS_07C)
Deep rooted regional ecosystems within 50 metres of a channel and intermittently connected to granite aquifers with fresh salinity in high rainfall areas
Biodiversity status of pre-clearing and remnant regional ecosystems v10.0
81-100 Derived GDE - Moderate Confidence

Deep rooted regional ecosystems within 50 metres of a channel and near-permanently connected to granite aquifers with fresh salinity in high rainfall areas
81-100 Derived GDE - Moderate Confidence

Riverine wetlands within 50 metres of a channel and near-permanently connected to granite aquifers with fresh salinity in high rainfall areas

Ecosystems intermittently connected to aquifers with fresh salinity in fractured rock (granite) in low rainfall areas (eMDB_RS_07A)
Deep rooted regional ecosystems within 50 metres of a channel and intermittently connected to granite aquifers with fresh salinity in low rainfall areas

Ecosystems near-permanently connected to aquifers with fresh salinity in fractured rock (granite) in low rainfall areas (eMDB_RS_07B)
Deep rooted regional ecosystems within 50 metres of a channel and near-permanently connected to granite aquifers with fresh salinity in low rainfall areas

Deep rooted regional ecosystems within 50 metres of a channel and near-permanently connected to granite aquifers with fresh salinity in high rainfall areas

Subterranean GDE (caves)

Derived GDE - unknown confidence

Potential GDE aquifer

Unconsolidated sedimentary aquifers

Consolidated sedimentary aquifers

Igneous rock aquifers

Ecosystems intermittently connected to aquifers with fresh salinity in fractured rock (granite) in low rainfall areas (eMDB_RS_07A)

Ecosystems near-permanently connected to aquifers with fresh salinity in fractured rock (granite) in low rainfall areas (eMDB_RS_07B)

Metamorphic rock aquifers

Mixture of consolidated sedimentary, igneous and

or metamorphic rock aquifers

No identified aquifers