DOCSLIB.ORG

The Health of Streams in the Campaspe, Loddon and Avoca Catchments

Total Page：16

File Type：pdf, Size：1020Kb

Download full-text PDF Read full-text
The Health of Streams in the Campaspe, Loddon and Avoca Catchments THE HEALTH OF STREAMS IN THE CAMPASPE, LODDON AND AVOCA CATCHMENTS Publication 704 June 2000 Introduction Careful management of our waterways and Having undertaken biological monitoring in Victoria catchments is crucial to maintain and improve river since 1983, EPA has a great deal of experience in health. Good decision making requires detailed the field. The results of previous studies will be information on the environmental condition of our combined with those of the current program, providing rivers. a solid background of data. This will be used to determine long term trends in the health of our rivers The Monitoring River Health Initiative (MRHI) – a and will help the protection of water quality and the biological monitoring program across Australia – was beneficial uses of our water courses. introduced as part of the National River Health Program funded by the Commonwealth. The main aim of the MRHI was to develop a standardised biological Monitoring water quality assessment scheme for evaluating river health. This Traditional water quality monitoring involves measuring was to be achieved by sampling reference sites and physical and chemical aspects of the water. Common using the information collected to build models to predict measurements include pH, salinity, turbidity, nutrient which macroinvertebrate families would be expected levels, toxic substances and the amount of oxygen to occur under specified environmental conditions. In dissolved in the water. These measures provide a Victoria the program was conducted by the ‘snapshot’ of environmental conditions at the moment Environment Protection Authority (EPA) and AWT samples are taken. Water quality conditions are Victoria (formerly Water EcoScience). In urban areas, variable, so such monitoring can fail to detect this is also complemented by Melbourne Water’s occasional changes or intermittent pulses of pollution. Healthy Waterways program. In contrast, the biological monitoring program involves Currently, an Australia-wide Assessment of River sampling aquatic animals, which gives an indication Health (AWARH) is being conducted under the of the health of the river as a whole. Because they National Rivercare Program to assess the health of live at the site for some time, animals reflect the build- Australia’s rivers. EPA is sampling approximately 600 up of impacts of environmental change on the river test sites in Victoria and evaluating these against the ecosystem – such as the influence of surrounding MRHI models. land use or the effects of pollution. 1 Biological monitoring techniques from shallow areas with stony or rocky substrates in Aquatic macroinvertebrates (such as insects, snails medium to fast currents. This type of habitat is called and worms) are very useful indicators in biological a riffle and is usually associated with upland streams. monitoring. They are visible to the naked eye and are In sandy streams, shallow fast flowing sandy areas commonly found in rivers and streams. They are an are sampled. important source of food for fish and many are well ◆ Sweep samples for edge habitat known to anglers – such as yabbies, mudeyes, Sweep samples are collected by sweeping a net along stoneflies and mayflies. They are widespread, easy banks and around snags in backwaters and pools to collect, relatively immobile and provide good which have slow currents or no flow. Aquatic plants information about the environment. (macrophytes) – which provide additional habitat for The presence or absence of specific species provides aquatic animals – are often found in these edge information about water quality. Some species are habitats and are included in the sweep sample. These known to have particular tolerances to environmental habitats can be found in both the upland and lowland factors such as temperature or levels of dissolved reaches of rivers. oxygen. Other information can be obtained from the Water quality measurements – including dissolved number of species found at a site (biological diversity), oxygen, pH, temperature and electrical conductivity – the number of animals found at a site (abundance) are made at each site and water samples are taken for and the relationship between all animals present laboratory analysis of nitrogen and phosphorus levels (community structure). and turbidity. The vegetation along the river banks (the Sites with a high level of species diversity generally riparian zone) and the aquatic habitat are also assessed. have good water quality. Sites which have low The aquatic habitat is those parts of the river diversity are less healthy – often due to the impacts environment which animals use to make a home. It of pollution. In polluted habitats, sensitive species are can be strongly affected by the streamside vegetation eliminated and less sensitive species show an increase as well as the environment and land use of surrounding in numbers. and upstream regions. The water quality and habitat measurements, taken at the same time as the biological samples, are also used in modelling and other data Study site selection and analyses. assessment For example, if fertiliser runoff is causing an excess Sites are selected to include a variety believed to be of nutrient to enter the river, there may be excess representative of the river basin’s waterways – growth of algae attached to rocks and snags in the including sites that are relatively unimpacted river, affecting these important habitats. It can also (reference) and sites which are subject to the impact result in blooms of toxic blue-green algae which are of pollution (test), although most of these are situated potentially hazardous to humans, animals and birds away from any obvious point source of pollution. contacting or consuming the water. Thus different factors can influence many parts of the river Sites are sampled twice a year (autumn and spring) environment. Biological monitoring can be a valuable using the rapid bioassessment technique. This involves tool to measure the overall effect of all these collecting two types of biological samples where influences. possible. ◆ Kick samples for riffle habitat Invertebrate analysis techniques To conduct kick samples, the stream bed is disturbed Biological data can be analysed in a number of by the sampler’s feet to dislodge animals which are ways – from using simple biotic indices through to swept into a net by the current. Samples are taken more complex statistical and modelling procedures. 2 A combination of analytical and interpretative several mathematical models. These models are being measures gives far more reliable results than any refined in 2000. measure on its own. Each model uses reference data collected under the MRHI from a single aquatic habitat from either a Number of families single season (autumn or spring) or from the two The number of invertebrate families found in streams seasons combined (Coysh et al. 2000). can give a reasonable representation of the health of a stream, though it is too great a simplification of data AUSRIVAS predicts the macroinvertebrates which to be adequate on its own. Lack of suitable habitat or should be present in specific stream habitats under the presence of various pollutants can cause a reference conditions. It does this by comparing a test reduction in the number of families present. This site with a group of reference sites which are as free assessment method complements SIGNAL (see as possible of environmental impacts but have similar below) which tends to underestimate toxic effects. physical and chemical characteristics to those found at the test site. SIGNAL One of the products of AUSRIVAS is a list of the aquatic macroinvertebrate families and the probability This biotic index uses families of aquatic invertebrates of each family being found at a test site if there were that have been awarded sensitivity scores according no environmental impacts. By comparing the totalled to their tolerance or intolerance to various pollutants. probabilities of predicted families and the number of The index is calculated by totalling these scores and families actually found, a ratio can be calculated for dividing by the number of families present. A single each test site. This ratio is expressed as the observed value between one and 10 is produced, reflecting the number of families/expected number of families (the degree of water pollution – high quality sites have O/E index). high SIGNAL scores (Chessman 1995) (table 1). While SIGNAL is particularly good for assessing The value of the O/E index can range from a minimum water quality problems such as salinisation and of zero (none of the expected families were found at organic pollution, its usefulness for toxic impacts and the site) to around one (all of the families which were other types of disturbance is uncertain. expected were found). It is also possible to derive a score of greater than one, if more families were found at the site than were predicted by the model. A site Table 1: Key to SIGNAL scores with a score greater than one might be an SIGNAL score Water quality unexpectedly diverse location, or the score may indicate mild nutrient enrichment by organic pollution, >7 Excellent 6-7 Clean water allowing additional macroinvertebrates to colonise. 5-6 Doubtful, mild pollution The O/E scores derived from the model can then be 4-5 Moderate pollution compared to bands representing different levels of <4 Severe pollution biological condition, as recommended under the MRHI (table 2). This allows an assessment of the AUSRIVAS level of impact on the site to be made and One of the main aims of the National River Health characterisation of the general health of the part of Program was the development of predictive models the river that was sampled. which could be used to assess river health. As a result, At this stage of its development, it appears that the Co-operative Research Centre for Freshwater AUSRIVAS is more sensitive to changes in habitat Ecology has developed the Australian Rivers than to changes in water quality.
Load more

Recommended publications
  • Campaspe River Reach 2 Environmental Watering Plan
    CAMPASPE RIVER REACH 2 ENVIRONMENTAL WATERING PLAN PREPARED FOR THE GOULBURN-MURRAY WATER CONNECTIONS PROJECT JULY 2013 Campaspe River Reach 2 Environmental Watering Plan DOCUMENT HISTORY AND STATUS Version Date Issued Prepared By Reviewed By Date Approved Version 1 14 May 2013 Michelle Maher Emer Campbell 20 May 2013 Version 2 21 May 2013 Michelle Maher G-MW CP ETAC 7 June 2013 Version 3 13 June 2013 Michelle Maher G-MW CP ERP 12 July 2013 Version 4 16 July 2013 Michelle Maher G-MW CP ERP 22 July 2013 Version 5 22 July 2013 Michelle Maher G-MW CP ETAC TBC DISTRIBUTION Version Date Quantity Issued To Version 1 14 May 2013 Email Emer Campbell Version 2 21 May 2013 Email G-MW CP ETAC Version 3 13 June 2013 Email G-MW CP ERP Version 4 16 July 2013 Email G-MW CP ERP Version 5 22 July 2013 Email G-MW CP ETAC DOCUMENT MANAGEMENT Printed: 22 July 2013 Last saved: 22 July 2013 10:00 AM File name: NCCMA-81689 – Campaspe River Reach 2 EWP Authors: Michelle Maher Name of organisation: North Central CMA Name of document: Campaspe River Reach 2 Environmental Watering Plan Document version: Version 4, Final Document manager: 81689 For further information on any of the information contained within this document contact: North Central Catchment Management Authority PO Box 18 Huntly Vic 3551 T: 03 5440 1800 F: 03 5448 7148 E: [email protected] www.nccma.vic.gov.au © North Central Catchment Management Authority, 2013 Front cover photo: Campaspe River upstream of Runnymeade, Winter High Flow, 14 November 2011, Darren White, North Central CMA The Campaspe River Reach 2 Environmental Watering Plan is a working document, compiled from the best available information.
    [Show full text]
  • Trading Rules Controlling Irrigation Water Movement
    DEPARTMENT OF PRIMARY INDUSTRIES IMPACTS OF WATER TRADE ON AGRICULTURAL ECOSYSTEMS Trading rules controlling irrigation water movement July 2007 IMPACTS OF WATER TRADE ON AGRICULTURAL ECOSYSTEMS Trading rules controlling irrigation water movement For further information contact: Mike Morris Primary Industries Research Victoria Department of Primary Industries Private Bag 1 Ferguson Road Tatura Victoria 3616 Phone: (03) 5833 5283 Fax: (03) 5833 5299 Email: [email protected] Published by Primary Industries Research Victoria Department of Primary Industries, Tatura Private Bag 1 Ferguson Road Tatura Victoria 3616 July 2007 Find more information about DPI on the Internet at: www.dpi.vic.gov.au ISBN 978-1-74199-219-9 (print) ISBN 978-1-74199-220-5 (online) Disclaimer The information contained in this report is offered by the State of Victoria, through its Department of Primary Industries, solely to provide information. While the information contained in this report has been formulated with due care by the Department of Primary Industries, the State of Victoria, its servants and agents accept no responsibility for any error, omission, loss or other consequence which may arise from any person relying on anything contained in this paper. © State of Victoria, Department of Primary Industries, 2007 Executive summary This report presents an overview of water trading rules controlling irrigation water movement and information on the historical background preceding and underpinning current rules and regulations. Irrigation water trade ocurs under a Cap on consumptive entitlements implemented in 1995 and administered by the MDBC. Since imposition of the Cap, consumptive allocations have been progressively reduced to improve the condition of riverine ecosystems, and further reductions are likely.
    [Show full text]
  • Northern Region
    Section 5 Northern Region 109 5.1 Northern Region overview ............................................................................................... 111 5.2 Victorian Murray system .................................................................................................. 114 5.2.1 Barmah Forest ...................................................................................................... 116 5.2.2 Gunbower Creek and Forest ................................................................................ 119 5.2.3 Central Murray wetlands ...................................................................................... 124 5.2.4 Hattah Lakes ........................................................................................................ 129 5.2.5 Lower Murray wetlands ........................................................................................ 132 5.2.6 Lindsay, Mulcra and Wallpolla islands .................................................................. 137 5.3 Ovens system ................................................................................................................... 141 5.4 Goulburn system .............................................................................................................. 145 5.4.1 Goulburn River ..................................................................................................... 147 5.4.2 Goulburn wetlands ............................................................................................... 152 5.5 Broken system .................................................................................................................
    [Show full text]
  • Coliban Water Corporate Plan 2020 2025
    WATER SECURITY AND ZERO CARBON WATER IS A PRECIOUS RESOURCE HEALTHY PEOPLE AND ENVIRONMENT WATER IS ESSENTIAL TO SUSTAIN LIFE PROSPEROUS ECONOMIES WATER UNDERPINS ECONOMIC PROSPERITY Corporate Plan GREEN AND ACTIVE COMMUNITIES WATER UNDERPINS LIVEABILITY 2020–2025 OUR REGION LEGEND TRADITIONAL LAND OWNERS DJA DJA WURRUNG CLANS ABORIGINAL CORPORATION Cohuna TAUNGURUNG LAND AND WATERS COUNCIL (ABORIGINAL CORPORATION) (TLAWC) MURRAY RIVER YORTA YORTA NATION Leitchville ABORIGINAL CORPORATION Macorna CURRENTLY NOT REPRESENTED BY A Gunbower REGISTERED ABORIGINAL CORPORATION Pyramid Hill WATER SUPPLY SYSTEMS Echuca CAMPASPE Boort COLIBAN Mitiamo Mysia GOULBURN GROUNDWATER Jarklin Lockington Borung LODDON Wychitella Rochester MURRAY Korong Vale Dingee WIMMERA Serpentine Wedderburn SEWER Elmore Raywood WATER NON POTABLE Inglewood WATER (UNTREATED) Bridgewater Goornong RIVER AVOCA RIVER Sebastian RECYCLED WATER CAMPASPE Marong LODDON RIVER Bendigo Tarnagulla Bealiba Axedale Laanecoorie LAKE EPPALOCK Dunolly Heathcote Maldon Harcourt Tooborac Castlemaine Campbells Creek Chewton Elphinstone Mildura Newstead Fryerstown Taradale Guildford Malmsbury MALMSBURY Kyneton Echuca LAURISTON SheppartonShepppartpar oon WodongaWodoododoonganga UPPER COLIBAN Tylden HorshamHorsham BendigoBenBeenndigddiigo WangarattaW StawellStawell Castlemaine NORTH AraratArarat Kyneton victoriavictoria HamiltonHamilton 08,000 16,000 32,000 BallaratBallarat MelbourneMelbourne BairnsdaleBairnsdale Trentham GeelongGeelong SaleSale METRES Portland MorwellMorwell Warrnambool ColacColac COLIBAN WATER | CORPORATE PLAN 2020–2025 CONTENTS OUR CHALLENGE 2 OUR RESPONSE TO CORONAVIRUS (COVID-19) 3 WHO WE ARE AND WHAT WE DO 4 STRATEGY 2030 8 Strategic direction 1: Water security and zero carbon 8 Strategic direction 2: Healthy people and environment 14 Strategic direction 3: Prosperous economies 22 Strategic direction 4: Green and active communities 28 Business enablers 32 OUR FINANCIALS 33 APPENDICES 39 This photo was taken prior to coronavirus (COVID-19) restrictions and 1.
    [Show full text]
  • NORTH CENTRAL WATERWAY STRATEGY 2014-2022 CONTENTS Iii
    2014-2022 NORTH CENTRAL WATERWAY STRATEGY Acknowledgement of Country The North Central Catchment Management Authority acknowledges Aboriginal Traditional Owners within the region, their rich culture and spiritual connection to Country. We also recognise and acknowledge the contribution and interest of Aboriginal people and organisations in land and natural resource management. Document name: 2014-22 North Central Waterway Strategy North Central Catchment Management Authority PO Box 18 Huntly Vic 3551 T: 03 5440 1800 F: 03 5448 7148 E: [email protected] www.nccma.vic.gov.au © North Central Catchment Management Authority, 2014 A copy of this strategy is also available online at: www.nccma.vic.gov.au The North Central Catchment Management Authority wishes to acknowledge the Victorian Government for providing funding for this publication through the Victorian Waterway Management Strategy. This publication may be of assistance to you, but the North Central Catchment Management Authority (North Central CMA) and its employees do not guarantee it is without flaw of any kind, or is wholly appropriate for your particular purposes and therefore disclaims all liability for any error, loss or other consequence which may arise from you relying on information in this publication. The North Central Waterway Strategy was guided by a Steering Committee consisting of: • James Williams (Steering Committee Chair and North Central CMA Board Member) • Richard Carter (Natural Resource Management Committee Member) • Andrea Keleher (Department of Environment and Primary Industries) • Greg Smith (Goulburn-Murray Water) • Rohan Hogan (North Central CMA) • Tess Grieves (North Central CMA). The North Central CMA would like to acknowledge the contributions of the Steering Committee, Natural Resource Management Committee (NRMC) and the North Central CMA Board.
    [Show full text]
  • Echuca Local Flood Guide Flood Information for Campaspe and Murray Rivers at Echuca
    Echuca Local Flood Guide Flood information for Campaspe and Murray Rivers at Echuca Echuca For flood emergency assistance call VICSES on 132 500 Reviewed: 1 August 2020 1 Local Flood Guide Echuca Echuca Echuca has three main rivers either bordering or near the township: • the Murray River to the north, • the Campaspe River to the west, and, • the Goulburn River which joins the Murray north east about 15 kilometres upstream towards Barmah. These river systems make Echuca and its surrounding areas prone to flooding with major floods No two floods are the affecting people, animals and property since flood same. Floods like this records began in 1867. or worse could occur again. Are you at risk of flood? If you live or work close to a creek, river or low-lying area you may be With three main rivers either bordering or near the at risk from floods. Even if you are township, Echuca and its surrounding areas are not directly affected, you may still vulnerable to cross country overflows of water have to detour around flooded because of the flat nature of the local countryside. areas. There have been more than 16 significant Knowing what to do can save your floods since 1867 in the Campaspe Shire, life and help protect your property. caused by overflows from the Campaspe, Murray and Goulburn rivers. Flooding can occur on one river or be caused by a combination of all three rivers. Historically the worst floods are from a combination of the flooded rivers rather than just one. Up to 300 properties in East Echuca (e.g.
    [Show full text]
  • Loddon Stressed River Project Update
    Instructions: 1. Click on the picture prompt in the grid below and press Delete. 2. Now click Insert | Picture to insert your own picture. 3. Set the picture wrap to Tight (Format > Text Wrapping > Tight). 4. Click on your picture and use the corner handles to enlarge the picture to fill the grid. Crop the picture as necessary using Word’s Picture Tools. Any part of the picture extending beyond the grid will not be displayed in your document. 5. Once you've finished cropping and resizing the picture set the wrap to In Line With Text (Format > Text Wrapping > In Line With Text). 5. Press Close Picture or click the X at the top right of your Word screen to update and return to your document. LODDON STRESSED RIVER - PROJECT UPDATE LODDON STRESSED RIVER - PROJECT UPDATE WELCOME TO THE SEPTEMBER season of annual native fish ON-GROUND WORKS UPDATE 2012 EDITION OF THE LODDON stocking. Each year the DPI stocks STRESSED RIVER PROJECT UPDATE. around two million native fish into January 2012 – September 2012 Victoria’s waterways to enhance This year continues to be a busy Revegetation recreational fishing. Around 77,000 Flood recovery work has one for the project as we complete Murray Cod and Golden Perch will a range of on-ground works and reinstated around 55,000 soon be put into the Loddon River plantings along the Loddon run a series of community between Bridgewater and activities. River to replace flood Fernihurst. damaged sites. The other focus in 2012-13 is to And finally, keep an eye out for the Fish Monitoring monitor and evaluate previous new interpretive signage (pictured Victorian Environmental work sites along the Loddon River below) which we recently installed Flows Monitoring and and meet with landholder on the Loddon River at the Kerang Assessment Program participants in the project.
    [Show full text]
  • The Murray–Darling Basin Basin Animals and Habitat the Basin Supports a Diverse Range of Plants and the Murray–Darling Basin Is Australia’S Largest Animals
    The Murray–Darling Basin Basin animals and habitat The Basin supports a diverse range of plants and The Murray–Darling Basin is Australia’s largest animals. Over 350 species of birds (35 endangered), and most diverse river system — a place of great 100 species of lizards, 53 frogs and 46 snakes national significance with many important social, have been recorded — many of them found only in economic and environmental values. Australia. The Basin dominates the landscape of eastern At least 34 bird species depend upon wetlands in 1. 2. 6. Australia, covering over one million square the Basin for breeding. The Macquarie Marshes and kilometres — about 14% of the country — Hume Dam at 7% capacity in 2007 (left) and 100% capactiy in 2011 (right) Narran Lakes are vital habitats for colonial nesting including parts of New South Wales, Victoria, waterbirds (including straw-necked ibis, herons, Queensland and South Australia, and all of the cormorants and spoonbills). Sites such as these Australian Capital Territory. Australia’s three A highly variable river system regularly support more than 20,000 waterbirds and, longest rivers — the Darling, the Murray and the when in flood, over 500,000 birds have been seen. Australia is the driest inhabited continent on earth, Murrumbidgee — run through the Basin. Fifteen species of frogs also occur in the Macquarie and despite having one of the world’s largest Marshes, including the striped and ornate burrowing The Basin is best known as ‘Australia’s food catchments, river flows in the Murray–Darling Basin frogs, the waterholding frog and crucifix toad. bowl’, producing around one-third of the are among the lowest in the world.
    [Show full text]
  • Wimmera-Mallee-WRP-Part-4.Pdf
    4. Water resources Department of Environment, Land, Water and Planning Part 4. Water resources This part outlines the key water resources and features in the Wimmera-Mallee Water Resource Plan’s surface water area: Wimmera-Avon, Avoca and Mallee, as well as the Wimmera-Mallee Water Resource Plan’s groundwater area resources. 4.1 Managing water resources: types of water resource supply systems Rivers in the Wimmera-Mallee water resource plan area vary from unregulated, like the Avon and Avoca rivers, to regulated like the Wimmera River. All rivers in the Wimmera-Mallee water resource plan area are undeclared. 4.1.1 Unregulated surface water systems An unregulated catchment is one that does not contain a storage such as a dam or weir, which significantly alters and regulates the flow of the river downstream. An unregulated catchment may contain rivers, creeks and small waterways, and in the case of several unregulated catchments in Victoria, can extend well over 1,000 km2 in area. Unregulated catchments are all undeclared which means that entitlements are bundled. Therefore, an entitlement includes rights to allow both the take and use of water. In unregulated catchments entitlements to water include take and use licences and bulk entitlements (see Chapter 6). All water taken for commercial or irrigation purposes from unregulated catchments must be licensed, including water taken from harvesting dams. The licences are called take and use licences or section 51 licences after the relevant section of the Victorian Water Act. The use of water, and trade of licences between users, is managed by Grampians Wimmera Mallee Water (GWMWater) in accordance with Ministerial trading rules (Minister for Water, 2014a).
    [Show full text]
  • Mo in V Nat Nito Victo Ive Oring Oria Fish G
    Monitoring fish stockinggs in Victoria: 2014 native fish surveys Recreational Fishing Grants Program Research Report Monitoring fish stockings in Victoria: 2014 native fish surveys Building Northern Native Fisheries, Lake Eildon Million Murray cod, Lower Goulburn River and Nagambie Lakes stocking initiative creel survey April 2015 Recreational Fishing Grants Program Research Report © The State of Victoria Department of Economic Development, Jobs, Transport and Resources This work is licensed under a Creative Commons Attribution 3.0 Australia licence. You are free to re-use the work under that licence, on the condition that you credit the State of Victoria as author. The licence does not apply to any images, photographs or branding, including the Victorian Coat of Arms, the Victorian Government logo and the Department of Economic Development, Jobs, Transport and Resources logo. To view a copy of this licence, visit http://creativecommons.org/licenses/by/3.0/au/deed.en Printed by DEDJTR Queenscliff, Victoria Preferred way to cite this publication: Ingram BA, Hunt TL, Lieschke J & Douglas J (2015). Monitoring fish stockings in Victoria: 2014 native fish surveys. Recreation Fishing Grants Program Research Report. ISBN 978-1-74146-536-5 (Print) Accessibility If you would like to receive this publication in an alternative format, please telephone the Customer Service Centre 136 186, email [email protected] , via the National Relay Service on 133 677 www.relayservice.com.au. This document is also available on the internet at www.depi.vic.gov.au Disclaimer This publication may be of assistance to you but the State of Victoria and its employees do not guarantee that the publication is without flaw of any kind or is wholly appropriate for your particular purposes and therefore disclaims all liability for any error, loss or other consequence which may arise from you relying on any information in this publication.
    [Show full text]
  • Risk-Based Assessment of Ecosystem Protection in Ambient Waters
    GUIDELINE FOR ENVIRONMENTAL MANAGEMENT RISK-BASED ASSESSMENT OF ECOSYSTEM PROTECTION IN AMBIENT WATERS GUIDELINE FOR ENVIRONMENTAL MANAGEMENT RISK-BASED ASSESSMENT OF ECOSYSTEM PROTECTION IN AMBIENT WATERS EPA Victoria 40 City Road, Southbank Victoria 3006 AUSTRALIA October 2004 Publication 961 ISBN 0 7306 7644 7 © EPA Victoria, 2004 The delivery of this guideline was assisted by funding from the joint Commonwealth and State partnership for the National Action Plan for Salinity and Water Quality and also the collaboration of North Central and Corangamite Catchment Management Authorities on the guideline case studies. Foreword State environment protection policies (SEPPs) aim to safeguard the environment. Policies express the community’s expectations, needs and priorities for using and protecting the environment. The SEPP (Waters of Victoria) (WoV) has provided significant steps forward in the management and protection of our aquatic ecosystems. A key part of this is the adoption of a risk-based approach to the policy environmental quality objectives. This is a relatively new approach reflecting current scientific knowledge and direction. The increasing adoption of risk-based methods by environmental agencies and resource managers has evolved from the need to develop transparent processes that better deal with the complexity and variability of aquatic ecosystems. This guideline has been produced to provide support to catchment management authorities, coastal boards, water authorities and other resource managers in the implementation of
    [Show full text]
  • A Hydrological Model of an Integrated Goulburn, Broken, Campaspe, Coliban and Loddon Rivers System
    23rd International Congress on Modelling and Simulation, Canberra, ACT, Australia, 1 to 6 December 2019 mssanz.org.au/modsim2019 Source adoption in Northern Victoria: a hydrological model of an integrated Goulburn, Broken, Campaspe, Coliban and Loddon Rivers system Yong Li a, Uttam Manandhar a and Seker Mariyapillai a a Department of Environment, Land, Water and Planning, Victoria Email: [email protected] Abstract: Surface water models are fundamental in providing the evidence to inform policy and investment decision making to sustainably manage water resource planning and operations. The Victorian Department of Environment, Land, Water and Planning (DELWP) is committed to ensuring that future water planning and management are informed by using best practice modelling. eWater Source, a key deliverable of the Australian National Hydrological Modelling Strategy, is designed to simulate aspects of water resource systems in a consistent, transparent and defensible manner. The development of a daily timestep Source model for the Northern Victorian catchment of the Goulburn, Broken, Campaspe, Coliban and Loddon (GBCCL) Rivers has been one of the key elements of Victoria’s transition to the eWater Source software platform. The GBCCL catchment has the most complex operating and water sharing arrangements in Victoria to meet the consumptive and environmental demands of rural and urban water supply systems. A daily timestep Source GBCCL foundational model has now been successfully configured to simulate the water supply system of the Goulburn, Broken, Campaspe, Coliban and Loddon Rivers including the Waranga Western Channel and East Goulburn Main Channel systems. The model has been developed using daily data inputs that cover more than 120 years over the period from January 1891 to June 2014 and generally represents a level of development based on conditions in 2009 with the most up-to-date information.
    [Show full text]