NORTHERN and YORKE REGIONAL NRM PLAN Volume A: State of The
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Northern and Yorke Natural Resources Management Board NORTHERN AND YORKE REGIONAL NRM PLAN Northern and Yorke NRM Board Yorke Northern and THE REGION REPORT OF STATE Volume A: State of the Region Report 2008 Acronyms CEM Coastal, Estuarine and Marine LCM Land Condition Monitoring CP Conservation Park MPA Marine Protected Area DEH Department for Environment and NP National Park Heritage NRM Natural Resources Management DPLG Department for Planning and Local N&Y Northern and Yorke Government SASPAS South Australian Soil and Plant DWLBC Department of Water, Land and Analysis Service Biodiversity Conservation WUE Water Use Efficiency March 2009 This document has been prepared by the Northern and Yorke Natural Resources Management Board and is not State Government policy. Editorial and design services have been provided by: • Rural Solutions SA • Peter R Day Resource Strategies • SUBStitution For more information, contact: Planning Officer Northern and Yorke NRM Board Phone: (08) 8636 2361 e-mail: [email protected] ISBN 978-0-9806143-2-9 Copyright This publication is copyright. Apart from any use permitted under the Copyright Act 1968, no part may be reproduced by any process without prior permission of the Northern and Yorke Natural Resources Management Board. Requests and enquiries concerning reproduction and rights should be directed to the General Manager, Northern and Yorke Natural Resources Management Board, PO Box 175 Crystal Brook SA 5523 or [email protected] Disclaimers The Northern and Yorke Natural Resources Management Board and the Government of South Australia, their employees and their servants do not warrant or make any representation regarding the use or results of use of the information contained herein as to its correctness, accuracy, currency or otherwise. The Northern and Yorke Natural Resources Management Board and the Government of South Australia, their employees and their servants expressly disclaim all liability or responsibility to Northern and Yorke NRM Board Yorke Northern and THE REGION REPORT OF STATE any person using the information or advice contained herein. Foreword The Northern and Yorke Natural Resources the desired environmental conditions – which Management Board (the Board) has are set out as targets in the Plan. In the future responsibility, under the Natural Resources it will provide useful assistance with decisions Management Act 2004, to develop and maintain on where to invest time and funds, and will a Natural Resources Management (NRM) Plan establish a framework for collaboration to for the region. The Plan is to guide the Board, achieve optimal efficiency in the delivery of related State Government agencies and other initiatives. stakeholders in their efforts to maintain and The Plan is a road map to guide the Board, enhance the region’s natural resources. and all those involved in natural resource Volume A – State of the Region is one of management, in achieving strategic outcomes a series of volumes that make up the NRM and lasting improvements in the condition of Plan for the Northern and Yorke region. The our natural resources. It is written to align with Northern and Yorke NRM region has bountiful administrative structures and requirements, but natural resources and much of its economy its components can be extracted and applied to and lifestyle are built on those assets. The meet the needs of any interested parties. important coastal and marine resources, high The Plan will be used for communication with conservation value reserves, remnant native Governments – Local, State and Australian ecosystems and rugged landscapes, and the – and regional communities. It will be the basis productive soils and climate of the cropping for securing continuing districts are hallmarks of the region. The State investment in natural of the Region describes the region’s natural resource management resources and identifies the potential threats and it articulates how that and opportunities to improve the management investment is intended to of these valuable assets. It provides a detailed be applied to achieve the understanding of our natural landscapes and is desired outcomes. the foundation of the NRM Plan. I commend this plan to The Northern and Yorke NRM Plan is a tool for you and I look forward to communities, organisations and individuals. It your commitment to its describes the priorities for action and describes Mervyn Lewis implementation. the strategies and activities needed to achieve Presiding Member Northern and Yorke NRM Board Yorke Northern and THE REGION REPORT OF STATE Northern and Yorke NRM Board STATE OF THE REGION REPORT Table of Contents Acronyms....................................................................................................................... 2 Foreword ....................................................................................................................... 3 Table of maps ............................................................................................................... 6 1. Introduction to the State of the Region ...................................................................... 7 1.1. Purpose and background ...................................................................................................................7 2. Regional Climate ...................................................................................................... 8 2.1. Description .........................................................................................................................................8 2.2. Climate change ..................................................................................................................................9 2.3. Climate risk management ................................................................................................................12 2.4. Risk communication and public perception ......................................................................................12 2.5. Knowledge gaps and barriers ..........................................................................................................12 3. Natural resource asset: Soil .................................................................................... 13 3.1. Description .......................................................................................................................................13 3.2. Relationship of the soil resource to other resource assets and influences ......................................13 3.3. Current monitoring of soils ...............................................................................................................14 3.4. Key information gaps .......................................................................................................................15 3.5. Attributes of the soil resource ...........................................................................................................15 3.6. Threats to the soil resource .............................................................................................................16 4. Natural resource asset: Water ................................................................................. 30 4.1. Overview ..........................................................................................................................................30 4.2. Relationship of water to other resource assets and influences ........................................................31 4.3. Current monitoring of water resource condition ...............................................................................32 4.4. Key information gaps .......................................................................................................................33 4.5. Attributes of the water resource .......................................................................................................33 4.6. Threats to resource condition ..........................................................................................................38 5. Natural resource asset: Coastal, Estuarine and Marine Environments ................... 47 5.1. Overview ..........................................................................................................................................47 5.2. Relationship of coastal, estuarine and marine to other resource assets and influences. ................48 5.3. Current monitoring of CEM condition ...............................................................................................49 5.4. Key information gaps .......................................................................................................................49 5.5. Attributes of the CEM resource ........................................................................................................49 5.6. Threats to resource condition ..........................................................................................................56 6. Natural resource asset: Biodiversity ........................................................................ 64 6.1. Description .......................................................................................................................................64 6.2. Relationship of biodiversity to other resource assets and influences ..............................................64 6.3. Current monitoring of biodiversity ....................................................................................................64