James Donaldson Wet Tropics Waterways public
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Reef And Rivers Podcast

James Donaldson, Wet Tropics Waterways

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Healthy waterways underpin the vibrant lifestyle, economy and environment of the Wet Tropics Region in Far North Queensland. They also underpin the health and well-being of Australia's iconic Great Barrier Reef. We talk to people from around the region to learn more about our waterways, the critters that call them home and the people and projects working to improve their health.
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Micro invertebrates are tiny creatures that are invisible to the naked eye but form the basis of the food web in our waterways. Dr. Robert Walsh talks about the importance and diversity of microfauna for sustaining aquatic systems and reveals that their eggs can remain viable for up to 400-500 years, meaning that extinct species could come alive ag…
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Australia loves its prawns so much that Queensland's aquaculture industry produces more than $200M of produce of each year, but is it sustainable? Kim Hooper, Executive Officer of the Australian Prawn Farmers Association, talks about the industry, how it works and how it minimises its impact on local waterways.…
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Millions of tourists come to north Queensland each year to experience the natural wonder of the Great Barrier Reef. This influx of people from around the world represents an opportunity to educate and inform people about the complexity of the reef system and the threats that it faces. In this week’s Reef & Rivers podcast, Gareth Phillips, CEO of th…
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Seagrass meadows play a critically important role in the reef ecosystem. They are nursery habitat for fish and prawns, they stabilise sediment and protect coastlines from erosion, they suck up and filter nutrients coming down from rivers into the reef lagoon, they absorb carbon and also help buffer the reef from pathogens and diseases. Associate Pr…
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The Great Barrier Reef is about the size of Japan or Italy and there are millions of dollars being invested in improving the runoff of water flowing off the land. How do we know if these reef projects are actually working? Fiona Barron is the coordinator of the Paddock to Reef Program in the Wet Tropics, which tracks progress against targets in Aus…
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Did you know that seagrass is the only plant in the world that is capable of fruiting and flowering underwater? This is just one of many fascinating facts shared by Dr. Samantha Tol in this week’s Reef & Rivers podcast. Samantha is a researcher at JCU and well known in the marine science world for her research into dugong and sea turtle poo. Her fi…
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The sugarcane industry is a highly visible part of the Wet Tropics landscape – if you drive between Ingham and the Daintree, you can’t miss it. Employing more than 4000 direct jobs and supporting another 1800, it contributes over $630 million to our local rural economies. However, since the health of the Great Barrier Reef has been in the spotlight…
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This is the 8th annual Wet Tropics Waterway Health Report Card to be released by Wet Tropics Waterways to assess the health and condition of freshwater basins, estuaries, inshore and offshore areas of the Wet Tropics in Far North Queensland. Independent Chair Dr Greg Vinall explains some of the key findings in 2023.…
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If you’ve visited the Cairns Aquarium you’ll know that biodiversity and conservation education are a driving force behind their business model. In fact, raising awareness about the biodiversity in our world heritage-listed reef and rainforest underpins their entire philosophy. With over 100,000 visitors annually, the Aquarium is in a unique positio…
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The Wet Tropics Major Integrated Project was an ambitious 4-year social change and reef water quality project, and has been described as a blueprint to accelerating progress towards achieving reef water quality targets. The project had unprecedented engagement from the agricultural sector and resulted in 23,966 of hectares of land under confirmed p…
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Despite its name, the Johnstone River snapping turtle is no snappier than any other freshwater turtle – and is perhaps better known by its alias, the ‘bum breather’. According to turtle expert Alistair Freeman, this ability for cloacal respiration is thought to enable bum breathers to stay under water for prolonged periods to avoid predation, altho…
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Mangroves and saltmarsh are important coastal ecosystems that help purify water, buffer coastal communities from extreme weather and provide fish nurseries for our recreational and commercial fishing industries. They’re also among the most efficient ecosystems in the world at sequestering and storing carbon – but are under threat from climate chang…
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They might look pretty – or at least, pretty harmless, but Australia’s ornamental fish trade can pose a serious threat to our waterways. Once an invasive is established, it makes eradication almost impossible, which means prevention is always better than cure. In this episode we’re joined by freshwater fish biologist Mariah Millington to find out e…
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Tropical cyclones, though destructive, are part of the natural dynamics of the rainforest and reef. We often see their land-based impacts most vividly, but they also impact coral reefs and seagrass beds. We catch up with Professor Steve Turton to find out how anthropogenic climate change is changing the frequency, intensity and location of cyclones…
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Equal parts fearful and fascinating, bull sharks have a reputation as strong, aggressive sharks and are one of the most common species that anglers are likely to encounter in the estuaries and inshore marine zone. Nicolas Lubitz is a Ph.D candidate at James Cook University, and tracks bull sharks to find out where they travel and why. Join us to le…
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When we think about waterway pollution, things like paracetamol and caffeine probably aren’t the first things that come to mind – but they’re among the alarmingly long list of pharmaceuticals and consumables that are literally passing through our bodies and into waterways. Ecotoxicologist Dr Frederic Leusch joins us to talk about what’s turning up,…
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The 2022 Wet Tropics Waterway Health Report Card was released today. A lot of complex science goes on behind the report, and it can get a bit heavy, so we asked our Independent Chair Dr Greg Vinall to break it down. Join us, to learn about the good news stories and the areas in which we could be doing better; what’s impacting waterway health grades…
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Ports North is responsible for the development and management of the Ports of Cairns, Cape Flattery, Karumba, Mourilyan, Skardon River, Quintell Beach, Thursday Island, Burketown and Cooktown. Manager of Sustainability and External Policy, Paul Doyle, joins the podcast to talk about Ports North’s operations in the Wet Tropics, the Cairns shipping d…
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Water quality monitoring can be done on lots of different scales. Great Barrier Reef monitoring is done on a catchment scale with the results reflecting what's happening over a very large area. While this is useful to give a big picture perspective on the reef it is less relevant to farmers and doesn't give them any information about what changes t…
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Over 90% of Australia's bananas are grown in the Wet Tropics but with increasing pressure on our agricultural sectors to become more environmentally sustainable, the banana industry is making changes to improve the quality of water flowing off banana farms into the Great Barrier Reef lagoon. Michelle McKinlay, Industry Manager for the Australian Ba…
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In July 2019 the fourth Wet Tropics Waterway Health report card was launched, highlighting the condition of the basins, estuaries and marine zones from the Daintree in the north to Hinchinbrook in the south. Wet Tropics Waterways chair Steve Turton describes the results of the report card program, discussing changes since the 2018 report card and t…
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Climate change forecasts indicate that the Wet Tropics can look forward to more rainfall, more severe cyclones and warmer temperatures, according to Professor Steve Turton. This will have implications for the reef, mangrove and seagrass ecosystems in the region, as well as the freshwater systems that drain our basins. But while there are some conce…
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Bioreactors show a lot of promise for denitifying and "polishing" groundwater before it is expressed into waterways or direct to the Great Barrier Reef via wonky holes (undersea springs). Whilst they won't negate the need to better manage our nitrogen loads to surface and ground waters, the ability to intercept and remove nitrogen could play an imp…
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Fiona Barron is the Wet Tropics Coordinator of the Paddock to Reef Integrated Monitoring, Modelling and Reporting program (P2R), a world leading scientific program funded by the Australian and Queensland Governments that links on-ground practice changes by farmers to measureable improvements in water quality flowing to the Great Barrier Reef. P2R p…
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Agro-Ecologist David Hardwick has been working in the farming and food industry for over 20 years. As an expert on soils, agronomy and organics he has been working with many farmers throughout the Wet Tropics to build knowledge and skills about soil as a farm business asset. Besides being important for farm productivity, good soil health also has i…
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Tangaroa Blue is a not for profit organisation involved in the cleanup and cataloguing of plastic debris from our coastlines, as well as educational campaigns regarding plastic waste management and minimisation. In this episode Tangaroa Blue Managing Director Heidi Taylor describes the scale of the problem, the impacts on our environment and the ac…
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The introduction and spread of noxious aquatic fauna and flora can be particularly damaging to the health of our waterways. Once introduced, these invasive species often can't be eradicated, even controlling their spread and proliferation can be expensive and extremely challenging. The damage that alien (exotic) species can do to our delicate ecosy…
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Woodleigh Station is a working beef cattle business that embraced sustainable landuse and grazing best practice. Management of stocking levels, extensive fencing and provision of of stream watering points are strategies adopted by the station to ensure long-term sustainability. In this episode Greg talks to landholder Kate Wardell about their strat…
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