Articles sur Oceans

Affichage de 141 à 160 de 420 articles

In sharks’ territory. Warm Winds Surf Shop/Flickr

Culling sharks won’t protect surfers

Professional surfers have called for culling sharks to reduce the risk of attacks. A shark biologist explains why culling will not work and surfers should accept risk when they enter the water.
Ocean gliders are being used to study the Agulhas Current. They bring enormous benefits. SOCCO/SAMERC

Gliders are helping unlock the secrets of the Agulhas current

The Agulhas Current is important to South Africa for a variety of reasons. Studying how it impacts the coast has been difficult using traditional methods. But gliders are changing that.
There is a great opportunity and imperative for Australia and Indonesia to join forces to solve critical challenges facing the ocean and coastal regions. Lkzz/www.shutterstock.com

Indonesia and Australia are sleeping ocean superpowers

The two countries share huge marine resources and opportunities. At the same time both face increasing challenges to their oceans and coastal regions from climate change and over-exploitation.
Whitespotted surgeonfish (Acanthurus guttatus), found in the Indo-Pacific, crop the upper portion of algae while feeding, preventing macroalgae from becoming established on reefs. Kevin Lino/NOAA

Understanding the conditions that foster coral reefs’ caretaker fishes

Plant-eating fish control the spread of seaweed and algae on coral reefs. New research explaining why populations of these fish vary from site to site could lead to better reef protection strategies.
Many seabird species, including the blue petrel (Halobaena caerulea), consume plastic at sea because algae on the plastic produce an odor that resembles their food sources. J.J. Harrison

The oceans are full of plastic, but why do seabirds eat it?

Thousands of seabirds die every year from consuming plastic trash in the oceans. But why do they eat plastic? New research shows that it produces odors that help some species find prey.

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