An international team looks back 12 million years for clues about the formation of these vast areas where no life can survive A satellite image of the Northern Gulf of Mexico, where 'dead zones' can ...

Ocean habitats are affected by lots of different factors. Sunlight – The amount of sunlight affects the type of marine life that live there. More organisms are found in sunlit zones. Salinity ...

a region which is particularly sensitive to ocean warming, and in oxygen-minimum zones, such as those off the coasts of Peru and Mauritania. Such deoxygenation zones are predicted to expand under ...

The melting of ice both on land and in the sea also affects the ocean, causing more sea-level rise and reducing the salinity of the ocean, respectively. Greater concentrations of carbon dioxide in the ...

As climate change wreaks havoc with the world's oceans, future production of fish, crustaceans and other aquatic organisms is under threat.Authors ...

Ocean depth is divided into zones: littoral, bathyal, abyssal and hadal. The deepest part of the ocean, the hadal zone, is anywhere deeper than six kilometres. What is the average depth of the ocean?