Articles sur Oceans

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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.
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.
Steven Morgan deploys ABLE robots in a swimming pool to test how well their programs simulate larval behavior. University of California, Davis

Underwater robots help scientists see where marine larvae go and how they get there

Most ocean species start out as larvae drifting with currents. Using underwater robots, scientists have found that larvae use swimming motions to affect their course and reach suitable places to grow.

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