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Integrated Regional Vulnerability Assessment: Riverina Murray

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Integrated Regional Vulnerability Assessment: Riverina Murray Integrated Regional Vulnerability Assessment: Riverina Murray Volume 1: Regional vulnerabilities i © State of NSW, Office of Environment and Heritage. The Office of Environment and Heritage and the State of NSW are pleased to allow this material to be reproduced, for educational or non-commercial use, in whole or in part, provided the meaning is unchanged and its source, publisher and authorship are acknowledged. Specific permission is required for the reproduction of images. Disclaimer: The Office of Environment and Heritage NSW (OEH) has compiled this document in good faith, exercising all due care and attention. OEH does not accept responsibility for any inaccurate or incomplete information supplied by third parties. No representation is made about the accuracy, completeness or suitability of the information in this publication for any particular purpose. OEH shall not be liable for any damage which may occur to any person or organisation taking action or not on the basis of this publication. Readers should seek appropriate advice about the suitability of the information to their needs. Published by: Office of Environment and Heritage 59–61 Goulburn Street, Sydney PO Box A290 Sydney South NSW 1232 Report pollution and environmental incidents Environment Line: 131 555 (NSW only) or [email protected] See also www.environment.nsw.gov.au/pollution Ph: (02) 9995 5000 (switchboard) Ph: 131 555 (information & publications requests) Ph: 1300 361 967 (national parks, climate change and energy efficiency information and publications requests) Fax: (02) 9995 5999 TTY: (02) 9211 4723 Email: [email protected] Website: www.environment.nsw.gov.au ISBN 978 1 74359 742 2 OEH 2014/0635 August 2014 ii Integrated Regional Vulnerability Assessment: Riverina Murray CONTENTS List of Figures .....................................................................................................................iv Preface .................................................................................................................................vi 1 How the IRVA overcomes the challenges of planning for climate change .............. 1 1.1 Why do we need an Integrated Regional Vulnerability Assessment? ......................... 1 1.2 What is an IRVA?........................................................................................................ 1 1.3 The Riverina Murray Region of NSW ........................................................................ 2 2 Riverina Murray IRVA .................................................................................................. 3 2.1 Process ......................................................................................................................... 4 3 Climate change impacts in the Riverina Murray ........................................................ 6 4 Vulnerability in the Riverina Murray ........................................................................... 8 4.1 Water Resources .......................................................................................................... 9 4.2 Landscape function .................................................................................................... 14 4.3 Infrastructure ............................................................................................................. 17 4.4 Demographic change ................................................................................................. 20 4.5 Sustainability of local government ............................................................................ 24 4.6 Skills, knowledge, training and capacity ................................................................... 25 4.7 Regional networks ..................................................................................................... 28 4.8 Funding models ......................................................................................................... 31 5 Riverina Murray regional context ..............................................................................32 5.1 Topography and land use ........................................................................................... 32 5.2 Climate and hydrology .............................................................................................. 34 5.3 Population and demographics .................................................................................... 35 5.4 Regional economy ..................................................................................................... 37 5.5 Infrastructure and Emergency services .......................................................................... 40 6 Climate change projections & biophysical impacts for Riverina Murray Region ...41 Appendix A: Agencies and organisations represented at the sector workshops .........43 References ..........................................................................................................................45 Integrated Regional Vulnerability Assessment: Riverina Murray iii List of Figures Figure 1 Vulnerability model – integration of impacts and adaptive capacity for multiple sectors ..................................................................................................................... 2 Figure 2 The Riverina Murray region of NSW ........................................................................ 3 Figure 3 Overview of the Riverina Murray NSW IRVA process .............................................. 4 Figure 4 Workshop sectors for Riverina Murray IRVA............................................................ 5 Figure 5 Projected changes to rainfall in the Riverina Murray in 2050 ................................... 7 Figure 6 Water vulnerability issue summary .........................................................................10 Figure 7 Summary of high level climate change impacts on landscapes and ecosystems identified in IRVA workshops ..................................................................................16 Figure 8 Riverina-Murray Age Profile ....................................................................................21 Figure 9 Migration flows within Riverina cities ......................................................................21 Figure 10 Land use in the Riverina Murray Region ...............................................................33 Figure 11 Riverina Murray Population Growth ......................................................................35 Figure 12 Riverina-Murray Age Profile ..................................................................................36 Figure 13 Riverina/Murray Unemployment Rate 1996-2006 .................................................37 Figure 14 Industry Structure of the Riverina Murray Region 2005-06 ...................................38 Figure 15 Annual income and jobs from irrigated agriculture in the Murrumbidgee ...............39 iv Integrated Regional Vulnerability Assessment: Riverina Murray Glossary Adaptation Action taken to avoid actual or anticipated impacts from climate change, or to attain potential benefits arising from climate change. (IPCC, 2007a). Adaptive The emergent property of a system to adjust its characteristics or capacity behaviour to better cope with existing climate variability or future climate conditions. Adaptive capacity is expressed as actions that lead to adaptation that serve to enhance a system’s coping capacity and increase its coping range, thereby reducing its vulnerability to climate hazards. Adaptive capacity also refers to the set of resources available for adaptation, and the ability of a system to deploy resources effectively in pursuit of adaptation (UNDP, 2005). Climate Average weather (or, more specifically, the mean and variability of variables such as temperature, precipitation and winds) over a time period ranging from months to thousands of years to millions of years. Climate change A statistically significant variation in either the mean state of the climate or in its variability, persisting for an extended period (typically decades or longer). Climate change may be due to natural internal processes or external forcings, or to persistent anthropogenic changes in the composition of the atmosphere or in land use. Exposure The degree to which a system or sector is exposed to climate factors, including in terms of the duration, frequency, and magnitude of changes in average climate and extremes. Impacts (climate) Consequences of climate change on natural and human systems. Integration The process by which separately produced components or assessments are combined, and incongruities in their interactions are considered and addressed. Maladaptation Any changes in natural or human systems that inadvertently increase vulnerability to climate variables; an adaptation that does not succeed in reducing vulnerability, but increases it instead. Mitigation An anthropogenic intervention to reduce the sources or enhance (emissions) the sinks of greenhouse gases. Mitigation Measures to contain or reduce the severity of human and material (natural damage caused by extreme weather events and natural hazards. disasters) Region The planning regions of NSW as depicted in NSW2021 – A plan to make NSW Number 1. Resilience Amount of change a system can undergo without changing state. Sector A part or division, as of the economy (e.g. the manufacturing sector, the services sector) or the environment (e.g. water resources, forestry). Sensitivity The degree to which
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