Science Media Centre

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Science Alert: Experts Respond

Niwa scientist leads call for global approach to oceans

Kent posted in on March 21st, 2012.

A leading New Zealand oceanographer is one of a team of international scientists warning that so many threats are converging on the world’s oceans, a global, integrated approach is urgently needed. The marine researchers, which includes NIWA biological oceanographer, Dr Julie Hall, have warned that the cost of damage to the world’s oceans from climate change […]

Spreading ‘dead zones’ a major concern

Peter Griffin posted in on August 15th, 2008.

A paper published today in Science reviews the spread of ‘dead zones’, which are regions of the ocean floor that are so deprived of oxygen that marine species can’t survive. Dead zones are formed when excess nutrients, mostly nitrogen and phosphorus, enter coastal waters and help fertilize blooms of algae. When these tiny plants die […]

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