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Pseudoraphis Spinescens) Project Brief Optimal habitat conditions for Moira Grass (Pseudoraphis spinescens) 12 April 2019 1. Introduction The Goulburn Broken Catchment Management Authority (GB CMA) is seeking to appoint a suitably qualified and experienced consultant to prepare a report that describes optimal conditions for the establishment, proliferation and maintenance of Moira Grass (Pseudoraphis spinescens) across open wetland plains in the Barmah-Millewa Forest. The report should be based on the consultant’s own understanding of the ecology of the species and its habitat in the southern Murray Darling Basin, a review of relevant literature, and discussions with experienced floodplain managers, ecologists, and others as identified by the consultant. 2. Study Area The Barmah Ramsar Site is part of the larger Barmah-Millewa Forest Icon Site under The Living Murray initiative; the total site being one of Australia’s most significant river restoration programs. The Icon Site covers some 66,000 ha, with the Barmah Ramsar site covering approximately 28,500 ha on the Victorian side of the Murray River. The Barmah-Millewa Forest Icon Site supports the largest river red gum forest in Australia and forms the largest and most intact freshwater floodplain system along the Murray River. The Barmah-Millewa Forest provides habitat for numerous plant and animal species and supports colonies of breeding waterbirds during appropriate seasonal conditions. The forest also has profound significance for the traditional land owners, the Yorta Yorta people. 3. Background Once noted for its extensive Moira Grass dominated floodplain wetlands, which form a critical function in the forest and are an essential part of the ecological character of the site, a legacy of cattle and horse grazing, combined with adverse impacts due to river regulation, has seen the extent of Moira Grass plains in Barmah decline by over 95%, from an estimated 4000 ha in 1930 to less than 200 ha currently (2019). GB CMA is delivering environmental flows to Barmah-Millewa Forest to inundate floodplain wetlands and forests. Additional (both spatial and temporal) flooding may occur due to high river levels during the delivery of consumptive flows downstream. To inform wetland management and restoration activities, the GB CMA is seeking to better understand the response of Moira Grass plains to various flooding regimes. The delivery of environmental water to Moira Grass plains in Barmah will play a key role in recovery of this species. A parallel project is mapping of Moira Grass after environmental water events to assist understanding of the species’ response to environmental water and will help establish a recovery trajectory to inform future management decisions at this site. Furthermore, the significant decline in Moira Grass may trigger an Article 3.2 of the Ramsar agreement where notification by the Australian Government to the Ramsar Secretariat on potential the loss of Ecological Character will elevate the need for ongoing accurate mapping of the species as part of a formal recovery plan. The GB CMA contends the management of environmental water and, to a lesser extent, consumptive flows and natural floods, can be nuanced so as to maximise recolonization and recovery of the Moira Grass floodplains. This project, by informing our understanding of the total habitat requirements of Moira Grass, will assist this process. 4. Project Aim and Scope Essentially, the aim of this project is to gather and synthesise as much information as possible relating to the ecology of Moira Grass and, by extension, Moira Grass plains, to inform floodplain management across the Barmah Ramsar site and other areas as appropriate. It is expected that a comprehensive review of the published and, as far as practical, un-published literature pertaining to the ecology and management of Moira Grass as a species, and the vegetation community, Moira Grass plains will be undertaken. In addition, the Consultant should communicate extensively with relevant experts (botanists, ecologists, floodplain managers, field staff &c.). Matters the Consultant should consider include (but not limited to): • Positive and negative influences of flooding cycles on Moira Grass vigour, including flood intervals, timing, season, duration, depth, recession, and so on; • Impacts of river regulation on Moira Grass, and potential mitigation measures relevant to Barmah • The relative role of seed versus stolons in propagation and dispersal (and dispersal methods); • Moira Grass as a food / shelter resource for other floodplain biota • Ecological implications of further Moira Grass decline, including for other biota Goulburn Broken Catchment Management Authority Page 1 of 11 • Documentation of any trials involving Moira Grass propagation, either field or lab based, and examination of possible reasons for success or failure • Complementary management actions to assist Moira Grass vigour or mitigate adverse impacts from identified threats (e.g., invasion of Moira Grass plains by Giant Rush) • Documenting sites where Moira Grass exhibits strong vigour in the southern MDB, and description of water regimes and other relevant factors at those sites The investigation should result in clear guidelines to support floodplain managers wishing to conserve and enhance Moira Grass plains 5. Tasks The suggested key tasks required to complete this project are outlined below. Key tasks Task no. Task Description 1 Project inception A meeting between the Consultant, Project Manager and meeting other relevant GB CMA staff to discuss and confirm: • The project scope, including study area, and methodology • Project timeframe (including future meeting dates) and project deliverables • Signing of contracts • Reports and data held by the project team • Potential issues 2 Literature review • Consultant to undertake review of relevant published literature • Consultant to prepare brief synopsis of main findings from literature review 3 Expert elicitation / • Consultant, with some assistance from the GB CMA, to consultation identify and contact relevant experts and arrange for discussion of matters relevant to the project brief. The Consultant should facilitate this process by providing a list of questions and issues etc before detailed discussions occur. The Consultant is free to decide whether to conduct these discussions in group or individual format. • To assist comprehension and communication, the Development of consultant is requested to prepare a conceptual model conceptual model describing the states, drivers, stressors and responses of Moira Grass on intermittent floodplains 4 Draft report preparation • Consultant to meet with GB CMA staff and present an and submission outline of proposed report contents for discussion • Following this meeting, where report contents will be agreed, Consultant will prepare a draft report .and submit to Project Manager for review 5 Final report The Consultant shall prepare a final report that: • describes the tasks undertaken above; • describes the associated results of the tasks; and • outlines any recommendations. • The Final Report will be sent to the Project Manager for distribution to relevant people. 6. Outputs The key outputs of the study are: 1. Documented outputs of the inception meeting 2. Final report The final report is to: • Address all tasks • Include an executive summary • Be suitable for both general and scientific audiences • Be A4 sized and any accompanying maps/images will be colour and of appropriate size Goulburn Broken Catchment Management Authority Page 2 of 11 An electronic copy of the draft and final reports will be provided. Electronic copies are to be provided with text compatible with Microsoft Office 2010. 7. Roles and responsibilities The roles and responsibilities of key staff are set out in the table below. Title Definition and responsibilities The project manager will be Keith Ward from the GB CMA. The project manager will: • Prepare the project brief. • Be the day-to-day contact for the project. GB CMA Project • Ensure the study is consistent with GB CMA standards and procedures. Manager • Monitor the performance of the consultants. • Provide advice and assistance during the implementation of the project. • Provide background material. • Review and approve outputs. The Consultant will: • Undertake the tasks and prepare the outputs as outlined above. • Consultant with the Project Manager and other relevant GB CMA staff. Consultant • Engage and manage any necessary technical experts. • Distribute documents via the Project Manager. • Plan, attend, present and report at meetings and workshops. • Provide progress and expenditure updates. 8. Meeting Requirements It is envisaged that the Consultant will be required to attend a minimum of one meeting with the project manager (an inception meeting as outlined in task 1). Other meetings may be held to discuss and review key project tasks such as the draft report. It is the responsibility of the consultant(s) to plan, attend, present and report at the meetings. 9. Supporting information The GB CMA holds reports, data and spatial information pertinent to the project. These will be made available to the Consultant 10. Budget and payment of fees A maximum budget of $30,000 (excluding GST) has been allocated for the project. The proposed payment schedule is as follows based on the maximum available budget. Milestone Payment Task 1 Inception meeting 25% Task 2 Lit review synopsis 25% Task 4 Draft report scoped 25% Task 5 Final Report submitted 25% 11. Timeframe The
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