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Rivers and Wetlands

Survey of soil seed bank of Murrumbidgee floodplain wetlands

Wetland resiliency depends on maintaining good wetland health. A healthy and diverse wetland seed bank is vital for maintaining wetland resiliency. Resiliency is promoted through good wetland management, such as controlling stock access to wetlands. However landholders are often reluctant to fence wetlands to control stock, because they perceive the fenced area as a source of weeds that will become uncontrollable and invade other parts of their property. To establish if weeds in (more)...

Water Quality History of Murrumbidgee River Floodplain Wetlands

The condition of floodplain wetlands is a function of internal and external forces and functions. Wetlands vary longitudinally down a floodplain following principals enshrined in the River Continuum Concept whereby the nature and concentration of solutes and sediments change with distance from source. This observation pertains directly to the main river channels but influences the wetland mostly in times of flood as,during low flow,connection between the river and the wetland may be severed. (more)...

Improving the management of wetlands on the Murrumbidgee River floodplain

The condition of floodplain wetlands is a function of internal and external forces and functions. Wetlands vary longitudinally down a floodplain following principals enshrined in the River Continuum Concept whereby the nature and concentration of solutes and sediments change with distance from source. This observation pertains directly to the main river channels but influences the wetland mostly in times of flood as,during low flow,connection between the river and the wetland may be severed. (more)...

Knowledge Seeking Strategies of Natural Resource Professionals

Workshop Synthesis

The degradation of natural resources in Australia has been causing widespread community and political concern. Australia has a well regarded and sophisticated research base in natural resources and yet there is an ongoing challenge to get this knowledge used by the resource managers who could benefit from it (Vanclay & Lawrence, 1995). The CRC for Freshwater Ecology and the Rivers Consortium jointly conducted this workshop at (more)...

Methods for Assessing the Health of Lake Eyre Basin Rivers

This report provides the required background resource material to enable proceeding to the implementation stage of an assessment of the condition of river ecosystems and catchments in the Lake Eyre Basin.

Methods for Assessing the Health of Lake Eyre Basin Rivers

The purpose of the Lake Eyre Basin Rivers Assessment Methodology Development project was to develop a scientifically based methodology for assessing the condition of river ecosystems and catchments in the Lake Eyre Basin. Community and government have articulated the values of, and threats to, the Basin watercourses; these have been used as a guide for the scope of this assessment methodology.

Review of Principles and Tools for the Protection of Rivers

The aim of this review is to identify the principles associated with the protection of riverine ecological values, as well as the methods used for the assessment of these values and some of the key instruments that could be used to protect them (i.e. protection tools). Such an approach complements existing tools associated with river restoration. This report is aimed at anyone who is interested in the protection of rivers. This includes planners and policy makers, river managers, community groups and (more)...

Review of Principles and Tools for the Protection of Rivers

The aim of this review is to identify the principles associated with the protection of riverine ecological values, as well as the methods used for the assessment of these values and some of the key instruments that could be used to protect them (i.e. protection tools). Such an approach complements existing tools associated with river restoration. This report is aimed at anyone who is interested in the protection of rivers. This includes planners and policy makers, river managers, community groups and (more)...

The impact of introduced trout on aquatic ecosystems

A study of brown trout interactions with stream ecosystem was conducted in Tasmanian streams. Direct and indirect interactions with macroinvertebrates and epilithic algae were studied. Two approaches were taken – a field survey comparing similar streams containing trout or now fish, and a mesocosm study evaluating the potential for trophic cascades under varying levels of shade.

The impact of introduced trout on aquatic ecosystems

A study of brown trout interactions with stream ecosystem was conducted in Tasmanian streams. Direct and indirect interactions with macroinvertebrates and epilithic algae were studied. Two approaches were taken – a field survey comparing similar streams containing trout or now fish, and a mesocosm study evaluating the potential for trophic cascades under varying levels of shade.