Australia pushes for ocean 'fertilisation' ban

Australia said it was pushing for a ban Thursday of any commercial use of a pioneering technique to reduce the impacts of climate change by "fertilising" the world's oceans with iron, warning of significant risks.

Trace element's central role in harmful algal blooms

Four years after it first appeared and devastated the scallop industry, the algal masses of Aureococcus anophagefferens that turned the bays of Long Island, NY brown disappeared. The alga's genome sequence was published by ...

Nonnative salmon alter nitrification in Great Lakes tributaries

Nonnative species can affect the biogeochemistry of an ecosystem. For instance, Pacific salmon have been introduced as a sport fishery in many streams and lakes beyond their native range, but their introduction may be altering ...

Farm soil determines environmental fate of phosphorous

Just 20 years ago, the soils of the Amazon basin were thought unsuitable for large-scale agriculture, but then industrial agriculture—and the ability to fertilize on a massive scale—came to the Amazon. What were once ...

Scientists link nutrient pollution to coral bleaching

Too many nutrients can put corals at risk, a new study shows. Excessive nitrogen in the water affects their ability to cope with rising water temperatures and other environmental pressures, making them vulnerable to harmful ...

Researchers monitor 'red tides' in Chesapeake Bay

Researchers at the Virginia Institute of Marine Science continue to monitor the algal blooms that have been discoloring Chesapeake Bay waters during the last few weeks. These "red tides" occur in the lower Bay every summer, ...

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