Iffley 100K map tile Groundwater Dependent Ecosystems (GDEs)
Mapsheet number 7160
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

Derived GDE - low confidence

Quaternary alluvial aquifers with fresh, seasonal groundwater connectivity regime (LEB_RS_01A)
Channels on alluvia below 300 metres elevation with fresh, seasonal flow
Surface ecosystems dependent on the surface expression of groundwater

Surface expression GDE (areas)

81-100% GDE, known GDE

81-100% GDE, derived GDE - high confidence

Quaternary alluvial aquifers with fresh, seasonal groundwater connectivity regime (LEB_RS_01A)
Specific palustrine and lacustrine wetland regional ecosystems on alluvia with fresh, seasonal flow
Surface ecosystems dependent on the surface expression of groundwater

81-100% GDE, derived GDE - moderate confidence

81-100% GDE, derived GDE - low confidence

Quaternary alluvial aquifers with fresh, seasonal groundwater connectivity regime (LEB_RS_01A)
Riverine water bodies on alluvia below 300 metres elevation with fresh, seasonal flow
Surface ecosystems dependent on the surface expression of groundwater

01-80% GDE, derived GDE - high confidence

01-80% GDE, derived GDE - moderate confidence

01-80% GDE, derived GDE - low confidence

Terrestrial GDE

Riverine wetlands on alluvia below 300 metres elevation with fresh, seasonal flow
Surface ecosystems dependent on the sub-surface presence of groundwater

Specific regional ecosystems containing Eucalyptus species on alluvia with fresh, seasonal flow
Surface ecosystems dependent on the sub-surface presence of groundwater

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