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Articles on Marine ecosystems

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Phytoplankon: blooming marvellous. Norman Kuring

Saharan dust feeds the ocean and locks away carbon too

The Saharan dust that clogged air and dirtied cars recently may seem like a nuisance, but in fact contains some essential nutrients – if, that is, you’re phytoplankton. The dust and sand blown from Africa…
Cod: in search of cold waters. August Linnman

Fish may end up in hot water as climate warms the ocean

The rate at which the world has warmed over the past 50 years and is likely to continue to do so in the future poses problems for life on land and in the ocean. Most species have a defined range of temperatures…
While we don’t know much about oceans off north west Australia, we know they’re important. Australian Institute of Marine Science

Marine reserves: finding the balance with oil and gas

How do we get the most out of our marine reserves? The government is in the process of reviewing Australia’s network of marine protected areas. The review focuses on zones that exclude recreational fishers…
Now you see me… Ocean acidification is making things blurry for fish. Flickr/Mr. T in DC

Ocean acidification leaving fish in the dark: study

Increasing carbon dioxide in the world’s oceans could hamper fishes’ eyesight, slowing their reaction times and leaving them vulnerable to predators or unable to hunt, new research has shown. Experts say…
Maria Island’s protected waters have given us insight into how species respond to warmer temperatures. Paul Benjamin

Marine reserves help fish resist climate change invaders

Southeast Australia is an ocean warming “hotspot” – a region where temperature at the ocean’s surface is increasing more rapidly than elsewhere. That means this part of Australia is like an outdoor laboratory…
Tiny Japanese skeleton shrimp Caprella mutica, found in concentrations up to 300,000/m2. SAMS

There are no barriers to prevent marine invasive species

Ash dieback, oak processionary moths, waterway minkes and parrakeets in Kew Gardens – there are plenty of species on and even above ground in the UK that didn’t originate in the country. The fifth Annual…
Fishes’ future rests in our hands. WorldFish

Putting seas up for sale will not save the world’s fish

The oceans cover almost three-quarters of the planet’s surface, and for many people they represent the last great wilderness. But in fact the seas support many human activities, and have done for millennia…
Bright colourful coral like this may soon disappear. USFWS Pacific

Global warming’s evil twin: ocean acidification

Greenhouse gas emissions have warmed the oceans in regions such as the Baltic by as much as 1.3°C. It is now thought that 90% of the heat added to the climate system by humans has been absorbed in the…

Plastics contaminate subalpine lakes

Potentially dangerous plastics and microplastic particles are contaminating subalpine lakes at a rate similar to levels found…

Crustaceans will decline along with reefs

A direct correlation between the amount of pre-historic reefs and the population of decapod crustacean species has been observed…
Best served chilled: Antarctic krill (Euphausia superba) Uwe Kils/BAS

A view to a krill: warming seas may leave predators hungry

Although it is far from the power stations, roads and flight paths of the populated world, the Southern Ocean is already responding to climate change. Average sea temperatures in some parts have risen…
This eastern shovelnose stingaree was once unheard of in northern Tasmania. Now it is abundant. Peter Last

Marine life spawns sooner as our oceans warm

Warming oceans are affecting the breeding patterns and habitat of marine life, according to a three-year international study published today in Nature Climate Change. This is effectively re-arranging the…
Australian Museum scientists have discovered an invasive species of worm in Botany Bay - the European Fanworm (Sabella spallanzanii), which is native to the Mediterranean Sea and European Atlantic coast. Stuart Humphreys, Australian Museum

A beautiful pest: invasive marine worm spotted in Sydney

Marine scientists at the Australian Museum have sounded the alarm over an invasive underwater worm discovered in Sydney’s Botany Bay – the farthest north the pest has ever been spotted in NSW. The European…

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