Tag Archives: marine science

Dolphin health check shows state of our oceans

New technique tests for bacteria in dolphins’ breath

Until now it has been difficult to test the health of dolphin populations due to their migratory pattens, their size and, in some cases, dwindling numbers.

Researchers from the University of New South Wales have found an easy, fast and non-evasive way to give dolphins a quick health check, which in turn tells us much about the state of our oceans.

Continue reading Dolphin health check shows state of our oceans

Exploring the mystery of the oceans

Australia and Japan are both island nations with vast maritime reserves and responsibilities. Together we’re developing the science needed to understand, use, enjoy and protect our unique marine ecosystems. And we’re collaborating to solve some of the mysteries of the ocean systems that drive the world’s climate.

Attack of the giant starfish

The waters off Japan’s tropical Okinawa Islands are home to hundreds of species of coral. The reefs attract a rich diversity of life: fish, turtles, whale sharks, and… the crown-of-thorns starfish.

Five thousand kilometres to the south is the Great Barrier Reef—the world’s largest reef system and one of the richest and most diverse natural ecosystems on Earth. The Australian Government is committed to protecting the Reef and has developed a plan to 2050 to ensure the sustainability of the Reef. But the Reef has lost half its coral cover in the past 30 years and periodic plagues of crown-of-thorns are responsible for more than forty per cent of the coral loss. Continue reading Exploring the mystery of the oceans

Regular source of ocean data now underway

More than 50 different environmental measures routinely collected by Australia’s national ocean research vessels—including sea surface temperature, dissolved oxygen concentration, and salinity—can now be accessed online almost as they are recorded.

The Marine National Facility vessel Southern Surveyor, one of Australia’s scientific research ships. Credit: CSIRO
The data is incorporated, often automatically, into predictive meteorological and ocean models, improving their accuracy.  “So we end up with an improved representation not only of the weather but of processes like large scale ocean circulation or the state of the seas during tropical cyclones,” says Dr Roger Proctor, director of the e-Marine Information Infrastructure Facility of Australia’s Integrated Marine Observing System.

Continue reading Regular source of ocean data now underway

Live streaming for healthy waterways

Water sampling devices are keeping watch around the clock for toxic discharges into Melbourne’s creeks and stormwater drains, thanks to Victorian researchers at the Centre for Aquatic Pollution Identification and Management (CAPIM), based at the University of Melbourne.

Victorian researchers are developing real-time sensors of water quality. Credit: iStockphoto

And, they are also developing a new range of aquatic critter-containing sensors.

The Autonomous Live Animal Response Monitors (ALARM) will house live molluscs, insects or shrimps and transmit images and data to scientists via the web, in the ultimate test of a creek’s health. Continue reading Live streaming for healthy waterways

The complex life of coral

Dr Tracy Ainsworth’s research is changing our understanding of the tiny coral animals that built Australia’s iconic Great Barrier Reef. Tracy and her colleagues at James Cook University in Townsville have found that the process of coral bleaching is a far more complex than previously thought, and begins at temperatures lower than previously considered. And she’s done so by applying skills in modern cell biology which she picked up working in neuroscience laboratories.

Tracy Ainsworth, James Cook University. Credit: L’Oréal Australia/sdpmedia.com.au
Tracy Ainsworth, James Cook University. Credit: L’Oréal Australia/sdpmedia.com.au

Her achievements won her a $20,000 L’Oréal Australia For Women in Science Fellowship in 2011, which she is using to study the low light, deep water reefs that underlie tropical surface reefs at depths of 100 metres or more.
Continue reading The complex life of coral

Starving cancer and other stories

Prostate cancers are made up of hungry, growing cells. Now we’ve discovered how to cut off their food supply thanks to a study published in Cancer Research and supported by Movember. More below. Also Australian science discoveries you may have missed from the past week. Heart cells growing in a test-tube – Melbourne How birds […]