ARI Seminar Friday 12/4/13

Australian Rivers Institute 2013 Seminar Series

Friday 12 April 2013

3-4pm Environment 1_N55_Room 1.07

Griffith University, Nathan Campus

Dr Gilad Bino

Australian Wetlands, Rivers & Landscapes Centre,

School of Biological, Earth & Environmental Sciences, University of New South Wales

“Ecosystem response models for improved management of a Ramsar wetland”

Abstract

Formalising ecological models for key ecological components and the underlying processes of cause-and-effect is a crucial component of conservation management. Specifically, these help represent our beliefs about ecosystem properties and dynamics, and project the consequences of how the system responds to management. We present two models examining the response of key ecological indicators of the Macquarie Marshes to inundation and flow patterns and potential management derivatives. The first relates to modelled fluctuations in breeding abundances of colonial waterbirds to river flows. We use identified breeding thresholds to explored alternative water timing-releases management strategies and identify maximal strategies for successful long-term management of colonial waterbirds. The second is a state-and-transition model of flood dependant vegetation communities. By modelling transition probabilities as a function of inundation patterns we extended our approach to provide spatially-explicit predictions of transition probabilities for the vegetation communities based on alternative hydrologic regimes. Finally, we integrate our ecological models to build a Bayesian Belief Network to provide an intuitive decision-making framework for conservation management.

Speaker: Dr Gilad Bino is a post-doctoral Research Fellow at the University of NSW School of Biological, Earth and Environmental Sciences. His research is focused on understanding the underlying processes shaping biodiversity at multiple spatial and temporal scales. He is driven by the application of ecological research and the development of a scientific basis for conservation efforts. Gilad’s current research is focused on understanding the complexities of water management of water resources and freshwater ecosystems function, exacerbated by increasing impacts of climate change.

Please direct any further enquiries to the Nathan Seminar Co-ordinator, s.balcombe, www.rivers.edu.au

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