Articles on Marine ecosystems

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Microbial abundances in the sub-seafloor environment are much more variable than thought. giveawayboy

Drastic measures: a revised estimate of Earth’s microbes

A paper released today in the journal PNAS provides a new estimate of microbial abundance, in light of new information, from the sub-seafloor realm (the so-called “deep biosphere”). As such, we now have…
Little penguins are among a number of species that are threatened by climate change. AAP/Rick Stevens

Ocean winners and losers revealed in Marine Report Card

Fish are on the move in Australia’s waters. In southern Australia, scientists, commercial and recreational fishers, divers and beach-goers are reporting the presence of new species. The movement of species…
South Korea says following Japan in their whaling pursuits for “scientific” purposes is not open to moral debate. Flickr.Issac Kohane

Can South Korea justify its plans for ‘scientific’ whaling?

The Australian government has sought urgent high level talks over an announcement by South Korea that it intends to resume whaling for “scientific” reasons. South Korea delegate Park Jeong-Seok has told…
Hard numbers: less than 1% of the world’s oceans are protected but marine scientists think 20% should be off-limits to fishing. AAP/Lloyd Jones

Marine parks: cause for optimism, but devilish details

As a marine scientist, I welcome Senator Burke’s brave decision today to roll out Australia’s marine park system. This puts us on a par with other leading nations like the US and UK who have established…
Networks of nature: a potato cod with striped cleaner wrasse at Osprey Reef, an area in the expanded marine reservations announced today. Flickr/richard ling

Big splash: welcome back to top-shelf marine conservation

Today’s announcement of a national network of marine parks is really a memorable day for Australian nature conservation. The political rhetoric and self-congratulation associated with major events is often…
An image taken last Friday shows a massive algal bloom, thought to have been caused when wind blowing snow off the Amery Ice Shelf in East Antarctic released nutrients into the ocean. NASA Terra Modis/Jan Lieser

Bright green algal bloom is so vast it can be seen from space

A field of green algae stretching hundreds of kilometres across the ocean surface near Antarctica is so bright that it is…
The wrecking of the MV Tycoon happened just as Christmas Island’s famous crabs began spawning. Justin Gilligan

Christmas Island oil spill: time to value natural treasures, not just trade

Christmas Island has been once again in the headlines: not because of incidents involving asylum-seekers, but because of the recent sinking and breaking up of the Panamanian phosphate carrier MC Tycoon…

Piranhas have a bark to match their bite

Piranhas have been found to bark by a team of biologists from the University of Liège, Belgium. The scientists used a hydrophone…
Rena’s list has worsened to about 18° to starboard and between 200 and 300 tonnes of oil has leaked into the ocean. AFP PHOTO/MARITIME NEW ZEALAND

Dispersants may do more harm than good in NZ oil spill case

Dispersants used to break down the 300 tonnes of oil that has leaked from a cargo ship into New Zealand’s Bay of Plenty may…
Fist-sized clumps of oil have washed ashore New Zealand beaches following the shipwreck of cargo boat Rena on Astrolabe Reef near Tauranga Harbour. AAP

NZ oil spill may hurt marine ecosystems: experts

Experts have warned of damage to marine ecosystems after the cargo ship Rena struck a New Zealand reef and leaked around…

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