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Riprap: River and Riparian Lands Management Newsletter

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Riprap: River and Riparian Lands Management Newsletter RPRIVER ANDia RIPARIAN LANDSRP MANAGEMENT NEWSLETTER The rivers, floodplains, wetlands and estuaries of TROP CAL northern Australia are key resources. They are relatively undisturbed and are highly distinctive compared with i other regions of Australia. Fundamental to the vision R VERS for sustainable growth in northern Australia will be the development of these water resources, the industries i that prosper and the values of rivers to be protected. Industries including pastoralism, mining, aboriginal enterprises, fisheries, cropping and tourism are linked by access to water resources, the consequences of using that water and the need to protect the quality of the environmental systems that produce the resources. Water resource development will influence all of these industries both directly and indirectly. continued page 3 EDITION 28, 2005 CONtents Theme: Tropical rivers . 1 and 3 Classifying the diversity of Gulf rivers . 5 Clear water phase tropical rivers and the potential for algal blooms . 11 Ecosystem processes in tropical rivers: conceptual models and future R&D. 13 Australia’s tropical rivers: an integrated data assessment and analysis. 15 Freshwater needs of estuaries in the Gulf of Carpentaria . 17 Stopping the cane toad invasion of the Kimberley. 19 Northern Australian Irrigation Futures . 22 Rapt in rivers . 24 Participatory research to incorporate indigenous knowledge into NRM . 26 Biodiversity and cultural significance of the fishes in the King Edward River. 28 Fish passage on the Fitzroy River in the Kimberley Region . 30 This publication is managed Addressing indigenous cultural requirements in water allocation planning . 32 by Land & Water Australia, Looking after freshwater country — Indigenous research priorities for tropical rivers . 34 GPO Box 2182, Canberra Providing water resource information to the people of the Top End . 36 ACT 2601 Land & Water Australia’s mission is to invest in knowledge, partnerships, innovation and adoption to underpin sustainable natural resource management. RIP rian lands: WHERE LAND AND WATER MEET Land & Water Australia’s a Home Page is: www.lwa.gov.au From the Editor Edition 28, June 2005 Australia’s Tropical Rivers capture the imagination with their beauty and RipRap is published throughout incredible diversity.This edition of RipRap is looking at new projects being the year. Contributions and funded by Land & Water Australia that are focused on the ‘Top End’ of comments are welcomed and Australia, its rivers, people and culture.Through these projects we will learn should be addressed to the Editor. how to integrate Indigenous and Western knowledge of our rivers so that Editor: Dr Siwan Lovett management strategies can be developed that protect and maintain the social, economic and environmental values of these largely unregulated Feedback and comments to: waterways. I encourage you to think about applying some of the approaches Dr Siwan Lovett being taken in these projects, as they seek to ensure that people and the Program Coordinator knowledge they have about their rivers is incorporated with science, Riparian Lands R&D Program enabling a more complete understanding about these riverine environments Land & Water Australia to be gained. GPO Box 2182 As we say ‘hello’ to the new Tropical Rivers Program, we are saying Canberra ACT 2601 ‘goodbye’ to three Land & Water Australia Programs — the National Riparian Tel: 02 6263 6000 Lands R&D Program, the National River Contaminants Program and the Fax: 02 6263 6099 National Rivers Consortium.These three Programs have been running over E-mail: [email protected] the last 5–10 years and are now entering their final communication phase, Website: www.rivers.gov.au so watch out for lots of new products over the next 6–12 months. RipRap Designed by: Angel Ink will also be having a ‘make-over’ as Land & Water Australia moves into a whole Printed by: Goanna Print new brand and image for the 21st century, so watch this space! ISSN 1324-6941 Product code PN050876 Front cover image: Mitchell Plateau aerial. Photo Heather Chapman. 2 THEME RESEARCH RAPT IN RIVERS IT’S A WRAP INFORMATION TROPi CAL R VERS There is a longi history of interest in developing interest from prospective investors interested in By Brendan Edgar northern Australia and this is currently being partnerships in research and development to influenced by increasing pressure on water improve the knowledge base for managing supply and river systems in southern Australia. Australia’s tropical rivers and associated catch- Tropical rivers and groundwater systems are ments and estuaries. estimated to contain roughly 70% of Australia’s Northern Australia offers a unique opportu- fresh water resources, although there is uncer- nity to productively develop land and water tainty surrounding actual water availability resources while protecting downstream users because of the quality of information under- and rivers of high conservation value. The pinning previous assessments. Environmental governments of Queensland, Northern Territory changes resulting from water development are and Western Australia are also working to also likely to have social and cultural implications support knowledge generation in tropical for communities.This means that there is a need Australia, including the joint Tropical Science, to establish water requirements for all uses and Knowledge and Innovation Program, that recog- to assess the benefits gained. This can form the nises the wise management of natural resources basis for smart land and water management requires a depth of biophysical, technical and systems that maximise multiple benefits from institutional understanding. The Tropical Rivers land and water use. Program will build capacity and understanding The Board of Land & Water Australia has so that the best available knowledge can be used identified Australia’s unique tropical rivers and to achieve sustainable natural resource manage- associated catchments and estuaries as a priority ment in tropical Australia. area for major investment over five years from Land & Water Australia’s Tropical Rivers July 2005. Land & Water Australia is now working Program will be managed through a program with partners and engaging with relevant States, management committee as new partners join the Northern Territory, indigenous land councils the initiative. Start-up funding for 2003/04 and other stakeholders to build a shared vision and 2004/05 has been secured from the Natural for the new Tropical Rivers Program. Land & Heritage Trust, National Landcare Program Water Australia is also inviting expressions of and the National Rivers Consortium, and work For further information Brendan Edgar Program Coordinator, Landscapes Arena Land & Water Australia Tel: (02) 6263 6000 E-mail: brendan.edgar@ lwa.gov.au Tom Aldred Program Manager, Landscapes Arena Land & Water Australia Tel: (02) 6263 6000 E-mail: tom.aldred@ lwa.gov.au Photo Land & Water Australia. THEME RESEARCH RAPT IN RIVERS IT’S A WRAP INFORMATION 3 TROPi CAL Ri VERS has commenced on a number of preliminary 1. Assess river assets and threats projects to scope and initiate the larger program. ~ compile information and undertake assessments of rivers, groundwater, This edition of RipRap is featuring a number of floodplains, wetlands and estuaries; these projects, as well as other work Land & ~ undertake threat and risk assessment based on future scenarios; Water Australia is supporting in the ‘Top End’ ~ support classification and description of river types to enable transfer of Australia. of knowledge; and As is demonstrated in the mix of articles, ~ assess land and water resource capability. social, economic and environmental research is 2. Support regional planning frameworks being funded, as these three areas are interwoven ~ provide targeted knowledge support for the National Water Initiative; and cannot be considered in isolation. Land National Action Plan for Salinity and Water Quality, and Natural managers have strong interests and experience in Heritage Trust regional management initiatives; environmental management systems and their ~ promote scientifically based resource condition targets and indicators; knowledge and understanding is being included in and developing management approaches. Including ~ develop monitoring and evaluation methodologies. these inputs in the core research offers a basis 3. Assess social, cultural and economic values and opportunities for understanding social and economic values, ~ undertake research to determine what people value in rivers; as well as the ecological services provided by ~ value ecosystem services; tropical rivers. ~ understand indigenous cultural and economic values; and The combination of a growing interest in ~ analyse economic and resource development, river protection and water at the national level, regional development management. aspirations in the tropics, and the condition of 4. Understand river ecosystems tropical rivers provides a unique opportunity ~ understand ecosystem processes and develop conceptual models of for science to be proactive in providing the how river ecosystems function; information needs for sound management of ~ understand river and groundwater flows and hydrology; and, Australia’s tropical rivers into the future. It is ~ understand the fluxes and balance of nutrients and contaminants in rivers. generally agreed that environmental protection This edition of RipRap features work being undertaken in each of the is a more effective long-term management themes, much of it
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