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You are browsing all 14 communication products for Moreton Bay, Australia

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Dancing with dugongs (Book) Permanent Link

Having fun and developing a practical philosophy for environmental teaching and research

Oliver PE and Dennison WC

This book is for environmental managers. Physically, our environment gives us everything we need, but then there are things that we just 'want', so as our wants grow, the demands we place on our environment increase even more rapidly. As awareness of these environmental pressures grow, so too do the numbers of people working in environmental fields. People can burn out trying to balance their desire to protect the environment with a wide variety of demands. This book tells the story of Prof. Bill Dennison and Dr. Peter Oliver, two men who have between them spent 60 years of their lives better understanding catchments, waterways, and people and how they interact. It is the result of them sharing stories about their work with each other and having fun doing it. They have recognized that looking after the environment should also be fun, and that there is a real need to reflect individually and with others on the 'how' and 'why' of our work. Articulating such a practical philosophy can help us to do our work better. Bill and Peter have also recognized key lessons in several areas including science communication, empowering communities and working in school and university settings. These lessons are well illustrated in the pages within.

South East Queensland Floods 2011 (Newsletter) Permanent Link

Mud, nutrients and coral

Udy J and Soustal N

SEQ Healthy Waterways Partnership

During the January 2011 flood, millions of tonnes of soil were washed from the upper catchments into the Brisbane River by fast flowing flood waters. The soil formed a brown plume which extended from the river mouth into Moreton Bay. As the flow of the water slowed, fine soil particles (mud) settled within the Brisbane Estuary and Moreton Bay. As a result, many kilometres of the once sandy bottom of the Bay are now covered by a thick mud layer loaded with nutrients, such as phosphorus and nitrogen. This newsletter explores the short and long term impacts of the mud and nutrients on aquatic habitats, and the animals and plants living within them. The impacts include: mud smothering the bottom of Moreton Bay, excess nutrients and nuisance algae blooms, corals with signs of stress such as bleaching.

South East Queensland Floods 2011 (Newsletter) Permanent Link

Seagrasses, turtles and dugongs

Dennison WC, Udy, J

SEQ Healthy Waterways Partnership

Moreton Bay is internationally recognised for its large population of green sea turtles and dugongs, and for its unique location next to a major capital city. Following the January flood, there has been serious concern about the impact of the flood plume on these symbolic Moreton Bay creatures. This newsletter provides an overview of some of the initial flood impact assessment results for seagrasses, turtles and dugongs, and identifies the risks that need to be monitored. For further infomation, see the associated blog posts.

South East Queensland Floods 2011 (Newsletter) Permanent Link

Creeks, streambanks and paddocks

Crimp O, Dennison WC, Olley J, Saxton N, Layden I, McKew T, Hill A, Udy J, Walker A

SEQ Healthy Waterways Partnership

Intense rainfall between 10-12 January 2011 caused flash and river flooding throughout the region. This newsletter focuses on the flood impacts on creeks, streambanks and paddocks. The floods caused significant impacts to waterways and the adjacent floodplains. The greatest impacts occurred in the Lockyer, Mid and Upper Brisbane and Bremer catchments with devastating loss of life and significant environmental damage. Across the catchments, there has been widespread loss of topsoil, streambank erosion, gully expansion, landslips, sediment redistribution, channel redirection and vegetation removal. For further infomation, see the associated blog posts.

South East Queensland Floods 2011 (Newsletter) Permanent Link

Overview of the flood event

Dennison WC, Udy J, Schneider P, Filet P

SEQ Healthy Waterways Partnership

The 2011 floods in South East Queensland were devastating to the people and economy of Queensland, with lives lost and homes and infrastructure destroyed. As communities across Queensland rebuild their homes and businesses, the impact of the floods on the ecosystems that support commercial and recreational activities of the state are unknown. The flood has already had a short term impact on water quality in the River and Moreton Bay, and increased risks associated with human contact and shipping. This newsletter outlines the impacts and effects through a conceptual diagram developed by the Flood Science Taskforce. For further infomation, see the associated blog posts.

Environmental report cards: A tool for better management,  monitoring, and research (Poster) Permanent Link

Environmental report cards are an important tool for integrating assessments of ecosystem health and for communicating scientific understanding to decision makers and the general public. Environmental report cards rely on a suite of environmental indicators (= performance measures, vital signs, reference values) and thresholds (= goals, criteria, standards). The process of combining indicators is an important aspect of ecosystem health assessments and can be accomplished by a variety of mechanisms and influence the results. The specificity of reporting regions can influence the impact of the report cards. Geographically explicit report cards can create a powerful human motivator-peer pressure. Report cards can engender a healthy competition between communities and community leaders to achieve better report card grades. The credibility of the environmental report cards needs to be established by a transparent process in which the data, indices, maps and conceptual foundation are explicit. Report cards can provide timely, synthesized information to a broad audience.

Healthy Waterways, Healthy Catchments (Book) Permanent Link

Abal EG, Bunn SE and Dennison WC

Moreton Bay Waterways and Catchments Partnership

This book was the fourth in a series of publications in support of the Heathy Waterways campaign in Southeast Queensland, Australia. It synthesizes the scientific investigations focused on the catchments and waterways of the Southeast Queensland region. Chapters on the setting, habitats, sediments, nutrients, monitoring, modeling, harmful algal blooms integrate the various scientific studies occurring in the region. It used a graphic-rich format with extensive use of conceptual diagrams, maps, photographs, figures and tables to communicate scientific results.

Nutrient limitation in coastal waters: The Moreton Bay, Australia case study (Presentation) Permanent Link

April 2003 Brisbane, Australia

This 19 slide presentation discusses the processes of nutrient limitation in coastal waters; the difficulties of inferring limitation from nutrient budgets; the importance of nutrient budgets for developing, research, monitoring and management priorities; and highlights some of the methods used effectively to determine limiting nutrients in Moreton Bay. It concludes with some of the problems associated with using the concept of 'limiting nutrient' to translate into useful management actions.

Assessing Nutrient Sources in Tidal Waters (Presentation) Permanent Link

March 2003 Reducing Nitrogen Pollution from Septic Systems' forum, Laurel, MD

This 17 slide presentation describes the use of a stable isotope technique developed in Australia to determine nitrogen sources in Chesapeake Bay. It details the theory of the technique, and its application in Moreton Bay, Australia, where it is now incorporated into the ongoing monitoring program (www.healthywaterways.org). The δ15N technique was found to reliably detect the source and extent of sewage and aquaculture nitrogen plumes. Additional data suggested that agricultural and septic sources could also be detected. This technique is now being tested in the Choptank and Patuxent Rivers and results of this research will appear on the IAN website.

Assessing ecosystem health in coastal waters (Presentation) Permanent Link

June 2003 Oceanology International 2003, New Orleans June 2002 Healthy Ecosystems: Healthy People Conference, Washington DC

This 33 slide presentation outlines a quantitative method of assessing ecosystem health using a case study of Moreton Bay, Australia. Background information about Moreton Bay is presented, a conceptual diagram of ecosystem health and the various indicators selected is used to develop the principles of the monitoring program. Data from a multi-institution, multi-disciplinary monitoring effort is measured, modeled and mapped. An integrated map (area-weighted averaging) of ecosystem health results and report card values for various generated based on this map.

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