Transcript

Understanding how water flows in the catchment

To effectively manage a catchment it is important to have a collective understanding of how the catchment works. This map journal gathers information from experts and other data sources to provide that understanding.

The information was gathered using the ‘walking the landscape’ process, where experts systematically worked through a catchment in a facilitated workshop, to incorporate diverse knowledge on the landscape features and processes, both natural and human. It focussed on water flow and the key factors that affect water movement.

The map journal was prepared by the Queensland Wetlands Program in the Queensland Department of Environment and Science in collaboration with local partners.

Main photo. Christmas Creek and surrounds, looking upstream to Lamington National Park—provided by SEQ Catchments

How to view this map journal

Please note that the use of the terms 'Catchment' and 'Basin' are sometimes used interchangeably. In this map journal the term 'Catchment' has been used.

Map journal for the Logan Catchment—water movement

This map journal describes the location, extent and values of the Logan Catchment. It demonstrates the key features which influence water flow, including geology, topography, rainfall and runoff, natural features, human modifications and land uses.

Knowing how water moves in the landscape is fundamental to sustainably managing the catchment and the services it provides.

Aerial view of the Scenic Rim region, showing Maroon Dam (foreground) and Main Range (background)—provided by Scenic Rim Regional Council.

Logan Catchment Story

The Logan Catchment is located to the south of Brisbane with its headwaters in the McPherson and Main ranges. It falls mostly within the Scenic Rim Regional and Logan City council boundaries but also includes parts of City of Gold Coast, Ipswich City, Redland City and Brisbane City council areas.

The catchment covers approximately 3,000 square kilometres with approximately 5,500 kilometres of stream network (click for animation).

The main waterway is the Logan River with numerous smaller waterways flowing into it. It is joined by the Albert River near Eagleby (11 kilometres upstream of its mouth) and then flows to southern Moreton Bay. The Redland, Bremer and broader Brisbane catchments are located to the north, and the Gold Coast catchments are located to the east.

Values of the catchment

The Logan Catchment contains many environmental, economic and social values.

The catchment includes the townships of Rathdowney, Boonah and Beaudesert and the urbanised areas of the lower catchment. The lower third of the catchment is mostly residential (rural* and urban).

Most of the mid catchment is used for grazing on native pastures, together with grazing on modified pastures, cropping and horticulture on the alluvium along the channel.

The headwaters contain a number of protected areas. Parts of these areas are also World Heritage Listed as the Gondwana Rainforests of Australia.

Please note there is a drop down legend for most maps and it can be accessed by clicking on 'LEGEND' at the top right of the map. On this map you can use the drop down legend for the protected areas.

*Please note the residential areas shown include rural residential as well as other residential area types.

Values of the catchment—economic

The catchment has large areas of fertile soil derived from basalts and other geologies in the upper reaches. These soils support a wide variety of farming including grazing (mostly on native pastures), cropping, horticulture, dairies, poultry, horse studs, hoop pine plantations, turf, sugar cane and aquaculture.

The mountains of the upper catchment and the rural areas support a vibrant tourism industry focused on mountain lodges, weekend getaways and scenic drives.

Picnic on a waterway in the Scenic Rim region—provided by Scenic Rim Regional Council.

Horse riding in the Scenic Rim region—provided by Scenic Rim Regional Council.

Main photos. Cane farming irrigation channels (top left)—provided by City of Gold Coast Council. Cattle in the Scenic Rim region (top centre)—provided by Scenic Rim Regional Council. Horse property (top right)—provided by SEQ Catchments. Cattle crossing the road in the Scenic Rim region (middle left)—provided by Scenic Rim Regional Council. Cropping in the Scenic Rim region (middle centre)—provided by Scenic Rim Regional Council. Farming on the foothills of Mt Maroon (middle right)—provided by Scenic Rim Regional Council. Farm gate and surrounds in the Scenic Rim region (bottom left)—provided by Scenic Rim Regional Council. Cane farming along the lower Logan (bottom centre)—provided by City of Gold Coast Council.

Values of the catchment—environmental and social

The catchment contains a number of protected areas, with the largest being Mount Barney and Lamington national parks. These areas provide habitat for protected plants and fauna such as frogs.

The wetlands and creeks of the catchment also provide habitat for many important species, including plants and migratory birds. The estuary supports protected marine plants.

Protected areas also provide recreational activities such as bush walking, bird watching and camping. These activities not only provide substantial social and health benefits but they are also very important for tourism. The Albert River also provides for fishing and kayaking.

Information about the different types of wetlands shown in this mapping is provided here.

Fleay's barred-frog, which is currently known to inhabit the Lamington plateau, northern section of Main Range and the Mount Barney area—provided by Department of Environment and Science.

Values of the catchment—water supply

One of the most important services provided by this catchment is the supply of drinking water to many of the townships across the catchment.

There are water treatment plants (WTPs) at Palen Creek Correctional Centre, Maroon Dam, Rathdowney, Kooralbyn and Beaudesert. The catchment upstream of these water treatment plants is influenced by farming (mostly grazing on native pastures and cropping), geology, residential areas and other intensive land uses (e.g. dairy and poultry). This can result in periods of poor water quality that challenges the treatment capabilities of the plants.

Natural features—geology and topography (upper catchment)

The eastern headwaters are underlain by basalt, which enables high amounts of water infiltration and recharge of groundwater. This provides an important contribution to springs, creeks, wetlands and terrestrial vegetation year round. These headwaters are also steep, leading to fast runoff of surface waters.

Most of the western headwaters are underlain by impervious rock. These parts of the catchment have lower groundwater recharge potential, and provide for fast surface water runoff, especially where the landforms are steep.

There are large areas of alluvium along the channel in the lower lying areas.

Mount Barney forms part of the western headwaters, which are underlain with mostly impervious rocks—provided by SEQ Catchments.

Main photo. Mount Widgee, headwaters of Widgee Creek, Lamington National Park—provide by ©Queensland Government.

Natural features—geology and topography (mid and lower catchment)

There are large areas of sedimentary rocks in undulating land forms throughout the mid catchment, and fractured metamorphic rocks in the lower catchment. There are also areas of impervious rocks and other geologies.

Runoff from these lower porosity rock areas flows into floodplain alluvium and this groundwater is held up by the underlying impervious rock. This groundwater supports wetlands and maintains stream flows.

There are large areas of alluvium on the low-lying land, particularly on the Logan River upstream of the Teviot Brook confluence and throughout the lower reaches.

These different rock types combine to make up the geology of the Logan Catchment.

Natural features—rainfall

There is very high rainfall in the eastern headwaters of Christmas, Widgee and Running creeks. This very high rainfall combined with the good recharge of groundwater associated with the basalt geology results in near permanent flow.

The rest of the catchment experiences moderate to high rainfall, with slopes and coastal areas receiving more rainfall than the lower lying reaches.

These different rainfall levels combine to make up the rainfall of the Logan Catchment.

Natural features—vegetation

Vegetation affects how water flows through the catchment, and this process is affected by land use and management practices. Native vegetation slows water, retaining it longer in the landscape, recharging groundwater aquifers, and reducing the erosion potential and the loss of soil from the catchment.

Native melaleuca wetland along the lower Logan River—provided by City of Gold Coast.

Modified features—pre-clearing vegetation*

Historically, most of the catchment contained eucalypt woodlands and open forests. In most headwaters there were large areas of rainforests and scrubs, together with wet eucalypt forests. Teviot Brook also had large areas of rainforests and scrubs across the catchment, and an area of acacia dominated vegetation on the northern slopes.

In the lower catchment there were large areas of melaleuca woodlands, together with wet eucalypt and mangrove forests.

These different vegetation types combine to make up the preclearing vegetation of the Logan Catchment.

Mangrove and saltmarsh vegetation at the confluence of Sandy Creek and the Logan River - provided by City of Gold Coast.

*Broad Vegetation Groups derived from Regional Ecosystems. Regional Ecosystems are vegetation communities in a bioregion that are consistently associated with a particular combination of geology, landform and soil.

Modified features—vegetation and land use

The vegetation of the headwaters is largely intact. There are large areas of rainforest and scrubs and eucalypt vegetation across the upper catchment.

Most of the mid and lower catchment has been cleared for a range of rural land uses (particularly grazing and residential*), and sand and hard rock extraction.** However there are relatively large areas of mangrove forest lining the lower reaches and eucalypt vegetation across the mid and lower catchment.

There are still large areas of conservation and natural environments, particularly scattered across the lower catchment and in the headwaters.

These different land use types combine to make up the land use of the Logan Catchment.***

*Please note the rural residential areas shown include rural residential as well as other residential area types.

**Please note sand and hard rock extraction shown are within KRA (Key Resource Areas) only. KRAs are identified locations containing important extractive resources of state or regional significance worthy of protection for future use. Some KRAs include existing extractive operations (see link at end of map journal for more information).

***See links at end of this map journal for further details regarding land use classification.

Modified features—vegetation clearing

More than half the catchment has been cleared. Large areas of vegetation have regrown since initial clearing, and there are relatively large areas of remnant and regrowth vegetation across the catchment.

Explore the Swipe Map using either of the options below.*

• Interactive Swipe App where you can zoom into areas and use the swipe bar (ESRI version).
• Interactive Swipe App where you can use the swipe bar. Use the white slide bar at the bottom of the map for a comparison (HTML version).

These developments and activities change the shape of the landscape and can modify water flow patterns.

* Depending on your internet browser, you may experience issues with one or the other. Please note this application takes time to load.

Modified features—channels and infrastructure

Buildings and important infrastructure such as roads, railways and creek crossings create impermeable surfaces and barriers that redirect water through single points or culverts, leading to channelling of water. This increases the rate of flow and the potential for erosion.

The lower reaches have been heavily developed and there are many impermeable surfaces.

Modifications to channels, such as straightening and diversions, can also increase flow rates.

A road forming a barrier along the lower Logan - provided by City of Gold Coast.

Modified features—dams

Dams and weirs also modify the natural water flow patterns, by holding water. All the dams in the catchment are un-gated and overflow when they reach capacity, which influences how and when water flows through parts of the catchment. The catchment has several large dams and weirs.

Wyaralong Dam is the largest water storage and is mainly used for recreation. Dam water has high salinity due to contributing saline geologies (saline soil) further upstream.*

Bromelton Off-stream Storage is located adjacent to the Logan River. It is a contingency irrigation supply for times of drought and is currently not utilised.

Maroon Dam supplies irrigation.

Minto Dam is a relatively small off-stream impoundment between upper Teviot Brook and Sandy Creek.

Moogerah Dam is located in the adjacent Bremer Catchment, but provides for recreation and supplies irrigation and drinking water for the township of Boonah.

*This dataset identifies areas of soil salinity described as part of the South East Queensland salinity project. Definition of categories: Slight <2.0 dS/m; Moderate 2.0 – 4.0 dS/m; Severe >8.0 dS/m.

Main photos. Maroon Dam wall and surrounds (top left), Wyaralong Dam and surrounds (top right), Maroon Dam wall aerial image (middle right), dam water spilling over the Wyaralong Dam wall (bottom left), Maroon Dam and surrounds (bottom right) - all provided by Seqwater.

Modified features—weirs and rural water storages

Weirs in the catchment include Rathdowney, Cannon Creek (Kooralbyn), Bromelton, Beaudesert (Helen Street), Cedar Grove and South Maclean.

Bromelton Weir supplies water to the township of Beaudesert.

The catchment has numerous rural water storages and weirs, which also modify water flows.

Bromelton Weir, looking upstream - provided by Seqwater.

Main photos. Beaudesert Weir (top left), South Maclean Weir (top right), Rathdowney Weir (bottom left), Cedar Grove Weir (bottom right) - all provided by Seqwater.

Modified features—fishways

Most of the larger dams and weirs are fitted with fishways.

Wyaralong Dam is un-gated (water flows over the spillway when the dam exceeds capacity) and fitted with an elevator style fishway.

Cedar Grove Weir is un-gated and fitted with a lock style fishway.

Bromelton and South Maclean weirs are fitted with a vertical slot fishway, however Bromelton Weir is still acting as a fish barrier for some species.

There is no fishway at Maroon Dam (un-gated), Beaudesert Weir or Rathdowney Weir. These dams and weirs present a barrier to fish migration during baseflow conditions, with migration during extreme flood conditions only.

Main photo. Wyaralong Dam wall, showing elevator style fishway fitted to the far side - provided by Seqwater.

Modified features—sediment

Increases in the volume and speed of runoff can increase erosion in the landscape and the stream channels, resulting in sediment being carried downstream and reduced water quality.

Nearly all of Knapp Creek and surrounds has been cleared for grazing. During 2007, there was major erosion across 50 per cent of the subcatchment, and severe erosion across 25 per cent of the neighbouring Cannon Creek.* Most of this erosion was sheet and gully erosion (see table).*

More than 50 per cent of the subcatchment was also eroded along Tartar, Oaky, mid Logan, lower Burnett, lower Running, lower Palen and Flagstone creeks, and upper Logan (near Rathdowney), however most of this erosion was considered minor to moderate.*

During 2007, there was evidence of intense landslips along Widgee and Chingee creeks and the upper Logan River (see table).* These landslips erode large areas of bank and increase sedimentation further downstream. It is estimated that during the 2008 flood event, approximately 70 per cent of sediment in the Logan Estuary was derived from Lamington Group rocks, however less than 30 per cent of the Logan-Albert Catchment is underlain by these rocks.**

The high sediment loads from this geology compared to others across the catchment is the result of geographic variability of intense rainfalls across the catchment and other potential factors including the erosion potential of the soils and land use.

During the 2008 flood event, the Widgee gauging site recorded 408 millimetres in five days, whereas the western headwater gauging stations recorded up to 247 millimetres during the same period. During this time, rainfall was up to 210 millimetres in the Western Logan and up to 149 millimetres in the lower catchment (see table). Rainfall was also relatively high in the headwaters of the Albert Catchment.***

* Source: Thompson, B. (2007) The distribution of erosion in the upper catchments of the Logan and Albert Rivers. Report prepared by Land Resource Assessment and Management Pty Ltd. for Logan and Albert Catchment Assoc. Inc. and SEQ Catchments. (See links at the end of this map journal).

** Source: Hancock, G. and Caitcheon, G. (2010) Sediment sources and transport to the Logan-Albert River estuary during the January 2008 flood event. CSIRO: Water for a Healthy Country National Research Flagship. (See links at the end of this map journal).

*** Source: BOM (2016) Climate Data Online [webpage] Accessed 24 August 2016. (See links at the end of this map journal).

Water quality

Water quality is influenced by runoff and point source inputs such as sewage treatment plants, septic tank seepage and stormwater discharge. There are sewage treatment plants at Palen Creek Correctional Centre, Kooralbyn, Boonah, Beaudesert, Flagstone, Jimboomba, Loganholme and Mount Cotton.*

During 2015, Healthy Waterways graded the overall Environmental Condition Grade of the Logan Catchment as D. Water quality was generally good in freshwater reaches but estuarine water quality was poor.**

Excerpt from Healthy Waterways report card (larger segment of pie chart indicated better score. See links at end of map journal for more information).

* The location of each sewage treatment plant is provided in the relevant subcatchment discussion.

** Healthy Waterways Logan Catchment Report Card (for current report see links at end of map journal).

Water flow

Water flows across the landscape into streams and eventually into the Logan River (click to see animation*).

The remaining water either sinks into the ground where it supports a variety of terrestrial and groundwater dependent ecosystems or is used for other purposes.

The restricted channels and gullies eventually flatten out to form waterways that meander across the floodplain. They pass through alluvial areas which store and release water, prolonging the time streams flow.

* Please note this application takes time to load.

The subcatchments

A catchment is an area with a natural boundary (for example ridges, hills or mountains) where all surface water drains to a common channel to form rivers or creeks.*

Larger catchments are made up of smaller areas, sometimes called subcatchments.

The Logan Catchment consists of large and small subcatchments.

The characteristics of each subcatchment are different, and therefore water will flow differently in each one.

*Definition sourced from the City of Gold Coast website (see links at the end of this map journal)

Upper Teviot Brook subcatchment

The headwaters of the Upper Teviot Brook subcatchment are steep, flow through the Main Range National Park, and receive high rainfall over a mostly impervious geology. Surface water runoff is high, creek flow is fast and the system can back up when the main channel is full. Areas of basalt, colluvium and fractured sedimentary rocks provide for some groundwater recharge.

The lower lying parts of the subcatchment are used for grazing on native and modified pastures (including dairies), together with cropping. There are rural residential developments at Boonah, Coochin and Mount Alford, and a sewage treatment plant (STP) at Boonah.

The headwaters within Main Range National Park, and other slopes, are areas still vegetated. There are also large areas of regrowth across the subcatchment.

The town of Boonah - provided by Scenic Rim Regional Council.

Lower Teviot Brook subcatchment

Most of Lower Teviot Brook subcatchment receives high rainfall over low porosity sedimentary rocks, with high surface water runoff.

Wyaralong Dam is located on a large area of low porosity sandstone in the main channel. There are areas of plantation forestry adjacent to the dam, as well as a small mining area.

Most of the subcatchment is used for low intensity grazing on native pastures. Large areas of alluvium near the confluence with the Logan River are used for cropping.

Large areas of remnant vegetation include mostly eucalypt forests and woodlands, but also rainforests and scrubs and other communities. There are large areas of regrowth across the subcatchment, particularly on the western slopes.

Upper Western Logan subcatchment

The Logan River rises near Mount Lindesay in the Upper Western Logan subcatchment. These headwaters are steep and highly constrained within gorges and are bedrock controlled. These areas receive high rainfall over a mostly impervious geology, with high surface water runoff and fast creek flow.

Maroon Dam is located on upper Burnett Creek. Burnett Creek is less constrained below the dam, and the floodplain is wider below the confluence with Mount Barney Creek.

Areas of basalt and fractured sedimentary rocks provide for some groundwater recharge. There is some base flow from alluvium along Mount Barney Creek, and springs on upper Burnett Creek above Maroon Dam. Springs feed Burnett and Mount Barney creeks.

Most of the Upper Western Logan is used for conservation and natural environments, with Mount Barney National Park covering about half of the subcatchment. Lower lying areas are used for farming. Gorges along upper Burnett and Mount Barney creeks are regularly cleared and burned for grazing, and are subject to gully erosion, land slips and weed infestation (cat’s claw creeper). There are large areas of regrowth.

There is rural residential development at Rathdowney, and a water treatment plant.

Main photos. Mt Barney steeps (top left) - provided by SEQ Catchments. Rathdowney general store (top right) - provided by Scenic Rim Regional Council. View towards Mt Barney from Kooralbyn - provided by Scenic Rim Regional Council. Wyaralong Dam and surrounds (bottom left) - provided by Seqwater.

Palen Creek subcatchment

The Palen Creek subcatchment is a relatively small subcatchment. The headwaters have near-permanent flow due to high rainfall and good groundwater recharge associated with the underlying porous basalt.

The upper reaches are constrained in gorges, and land slips are common. There are large areas of impervious rocks , with high surface runoff into the alluvium along Palen Creek. There are springs on the western slopes, where the basalt overlays the impervious rocks.

There are large areas of national park and state forest on the slopes, but much of the low-lying land has been cleared for grazing together with irrigated cropping. Large areas of remnant vegetation remain, including eucalypt forests and woodlands, rainforests and scrubs, and wet eucalypt forests. There are also large areas of regrowth across the subcatchment.

The Palen Creek Correctional Centre has a sewage and water treatment plant.

Western Logan subcatchment

Most of the Western Logan subcatchment is underlain by low porosity sedimentary rocks, with some areas of impervious rocks. High surface water runoff from these rock areas often increases gully erosion and instream sedimentation, particularly in heavily cleared areas such as Knapp and Cannon creeks. Small patches of basalt provide for some groundwater recharge.

Nearly all of the subcatchment is being used for grazing. Despite this clearing, large patches of eucalypt forests and woodlands remain on some slopes in other parts of the subcatchment, particularly on the central hills around Allan Creek. There are also large areas of regrowth across parts of the subcatchment.

There is rural residential development at Kooralbyn, and the small townships of Bromelton and Allenview. Kooralbyn also has several recreational areas (including a large golf course with several impoundments) and a water and sewage treatment plant. The water treatment plant offtake is located on the Logan River, upstream of the confluence with Cannon Creek.

Land use in the lower parts of the subcatchment includes waste treatment and disposal, manufacturing and industrial, horse studs, turf farming, poultry farming, grazing on modified pastures, mining, forestry and recreational.

Upper Eastern Logan subcatchment

Most of the Upper Eastern Logan subcatchment is underlain by basalt, however there are some areas of impervious rocks. The headwaters flow through national park, with near-permanent flow due to high to very high rainfall, and good groundwater recharge associated with the underlying basalt.

There are relatively large areas of alluvium where the creeks meet the Logan River. These areas are used for cropping and contain several wetlands.

Most of the subcatchment is used for grazing and cropping. Large areas of rainforests and scrubs remain in the national parks of the headwaters, and there are relatively small patches of remnant vegetation (rainforests and scrubs, and eucalypt vegetation) and regrowth throughout the catchment.

There is rural residential development at Tamrookum and the small townships of Hillview and Innisplain. Other major land uses across the lower parts include grazing, cropping and horse studs.

Eastern Logan subcatchment

Most of the Eastern Logan subcatchment is underlain by basalt, with large areas of impervious rocks on the slopes. There is extensive alluvium along the channel, particularly upstream of the Teviot Brook confluence. These areas are used for cropping and contain many wetlands.

Most of the subcatchment has been cleared for grazing and the residential developments of Beaudesert and Logan City. There are sewage treatment plants at Beaudesert, Flagstone and Jimboomba, and a water treatment plant at Beaudesert. Other land uses include horse studs, poultry farming, dairies, horticulture, mining and recreation.

There is very little remnant vegetation in the Eastern Logan subcatchment. However there are large areas of regrowth, particularly on the western slopes and in the residential developments of Jimboomba, South Maclean and North Maclean. The endangered swamp tea-tree (Melaleuca irbyana) is known to occur at Jimboomba (especially along Cusack lane where it crosses the Logan River).

Horse property near Jimboomba, with cat's claw creeper (weed) on the trees in the background - provided by SEQ Catchments.

Lower Logan subcatchment (land use)

The geology of the Lower Logan subcatchment includes relatively impervious fractured metamorphic rocks, impervious rocks, low porosity sandstones, alluvium, sand and other unconsolidated sediments. Runoff from the lower porosity rock areas flows into floodplain alluvium and this groundwater is held up by the underlying impervious rock. This groundwater supports wetlands, including the nationally important Carbrook Wetlands, and maintains stream flows.

Most of the subcatchment has been cleared for rural and urban residential developments. There are also areas of conservation and natural environments, grazing, horticulture, cropping, forestry, manufacturing and industry, sugar cane farming and aquaculture. Extensive irrigation channels, associated with the sugar cane, substantially modify water flow in this area.

Despite the clearing, there are areas of remnant eucalypt forests and woodlands, and mangroves near the mouth. There are also large areas of regrowth.

There are sewage treatment plants at Loganholme and Mount Cotton.

Lower Logan subcatchment (water flow)

The Lower Logan subcatchment is prone to flooding due to low topography, the high volume of localised runoff from low porosity rocks and from the large catchment upstream, backing up of flood waters where the Albert meets the Logan River, and backing up of tidal waters.

This information is presented for broad indicative purposes based on land forms and it does not indicate where flooding may occur. For detailed flooding maps see local council (links provided at the end of this map journal).

Mangrove and saltmarsh communities along the lower Logan - provided by City of Gold Coast.

Logan Estuary

The Logan Estuary has poor water quality, including very high turbidity, high nutrient concentrations and low dissolved oxygen. The turbidity of the lower Logan River appears to be related to sediment inputs from the catchment and tidal interactions.

The estuary supports prawn and fishing industry, and there are several aquaculture facilities on the banks of the Logan River near its mouth.

The estuary provides habitat for protected marine plants such as mangroves (e.g. the grey mangrove, Avicennia marina), saltmarsh and seagrasses. Seagrass in the estuary has been lost due to sedimentation and resuspension (turbidity).

Logan Estuary conceptual model - provided by Healthy Waterways.

Conclusion

The Logan Catchment shows how natural and modified features within the landscape impact on how water flows. These issues need to be managed to ensure that the significant natural (and social) values of the catchment are protected, and to minimise impacts on the multitude of values within the catchment and downstream in Moreton Bay, while providing for residential, farming and other important land uses of the catchment.

Knowing how the catchment functions is also important for future planning, including climate resilience. With this knowledge, we can make better decisions about how we manage this vital area.

Main photos. Cane farming, lower Logan (top left) - provided by City of Gold Coast. Town of Boonah (top middle) - provided by Scenic Rim Regional Council. Cropping (top right) - provided by Scenic Rim Council. Mangrove and saltmarsh communities of the estuary (bottom left) - provided by City of Gold Coast. Mt Barney steeps (centre) - provided by SEQ Catchments. Maroon Dam and surrounds (bottom right) - provided by Seqwater. Cattle (middle bottom) - provided by Scenic Rim Regional Council.

Acknowledgements

Developed by the Queensland Wetlands Program in the Department of Environment and Science in partnership with:

Scenic Rim Regional Council

Logan City Council

City of Gold Coast

Redland City Council

Brisbane City Council

Ipswich City Council

Council of Mayors South East Queensland

SEQ Catchments

Seqwater

Healthy Waterways Ltd

Gold Coast Waterway Authority

This resource should be cited as: Walking the Landscape – Logan Catchment Map Journal v1.0 (2016), presentation, Department of Environment and Science, Queensland.

Images provided by: City of Gold Coast Council, Healthy Waterways, Logan City Council, Scenic Rim Regional Council, Seqwater, SEQ Catchments.

The Queensland Wetlands Program supports projects and activities that result in long-term benefits to the sustainable management, wise use and protection of wetlands in Queensland. The tools developed by the Program help wetlands landholders, managers and decision makers in government and industry.

Contact wetlands♲des.qld.gov.au or visit wetlandinfo.des.qld.gov.au

Disclaimer

This map journal has been prepared with all due diligence and care, based on the best available information at the time of publication. The department holds no responsibility for any errors or omissions within the document. Any decisions made by other parties based on this document are solely the responsibility of those parties. Information contained in this education module is from a number of sources and, as such, does not necessarily represent government or departmental policy.

Data sources, links and information

Software Used

ArcGIS for Desktop | ArcGIS Online | Story map journal

Some of the information used to put together this map journal can be viewed on the QLD Globe.

The Queensland Globe is an interactive online tool that can be opened inside the Google Earth™ application. Queensland Globe allows you to view and explore Queensland spatial data and imagery. You can also download a cadastral SmartMap or purchase and download a current titles search.

More information about the layers used can be found here:

Source Data Table

Flooding Information: Scenic Rim Regional Council; Logan City Council; City of Gold Coast; City of Ipswich; Redland City Council; Brisbane City Council

Other References

BOM (2016) Climate Data Online [webpage] Accessed 24 August 2016.

City of Gold Coast (2021) About water catchments. [webpage] Accessed 25 August 2021

Department of Agriculture and Water Resources (2010) Australian Land Use Management Classification [webpage] Accessed 23 August 2016.

Hancock G and Caitcheon G (2010), Sediment sources and transport to the Logan-Albert River estuary during the January 2008 flood event. CSIRO: water for a Healthy Country National Research Flagship.

Hancock G and Revill A (2011), Land-use and erosion source discrimination of soil and carbon sources to the Logan and Albert rivers using Compound Specific Isotope Analysis. CSIRO Land and Water Science Report 2/1.

Healthy Waterways (2016), Logan Catchment 2015 Report Card. [webpage] Accessed 14 June 2016.

Queensland Government (2016), Key Resource Areas in Queensland. [webpage] Accessed 7 July 2016.

Thompson, B. (2007), The distribution of erosion in the upper catchments of the Logan and Albert Rivers. Report prepared by Land Resource Assessment and Management Pty Ltd. for Logan and Albert Catchment Assoc. Inc. and SEQ Catchments.

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Last updated: 25 August 2021