Webinar: Professor Derek Eamus on Groundwater-dependent ecosystems

Professor Derek Eamus, our 2014 Distinguished Lecturer is an exceptional scientist and an engaging speaker. Join us live to hear and interact with Derek as he talks about Groundwater-dependent ecosystems. Derek will examine trends in global drought and forest mortality and the application of remote sensing techniques. He will also summarise the results of a recent comparative study of leaf, whole tree and canopy woodland ecophysiology along a pronounced depth-to-groundwater gradient.

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Abstract

Groundwater-dependent ecosystems (GDEs) are a valuable resource, having economic, biological, conservation, ecosystem services and aesthetic values.  However, global-change type droughts and associated woodland and forest mortality represents a new threat to both groundwater resources and GDEs. Three challenges are faced by resource managers tasked with protecting both groundwater supplies and the ecosystems that rely on groundwater. These challenges are: where are GDEs located in a landscape? How much water does a GDEs use? What is the response function of GDEs to groundwater extraction?

This webinar will examine trends in global drought and forest mortality and the application of remote sensing techniques. It will also summarise the results of a recent comparative study of leaf, whole tree and canopy woodland ecophysiology along a pronounced depth-to-groundwater gradient that has generated an ecosystem-scale response function to differences in depth-to-groundwater.