How plants drove animals to the land

(PhysOrg.com) -- A new study of ancient oxygen levels presents the first concrete evidence that after aquatic plants evolved and boosted the levels of oxygen aquatic life exploded, leading to fierce competition that eventually ...

Minnesota sets goals for fixing Gulf of Mexico dead zone

Minnesota's top pollution officials are setting ambitious goals - primarily for farmers - to cut back on the millions of tons of pollution that each year flow out of the state and down the Mississippi River to the Gulf of ...

Fish become bolder and more gluttonous from drug residue

Anxiety-moderating drugs that reach waterways via wastewater create fearless and asocial fish that eat more quickly than normal. These behavioral changes can have serious ecological consequences. This is shown by UmeƄ University ...

Herbivorous fish like eating meat

The grass carp, thought to be a strict vegetarian, seems to have a preference for amphipoda. NWO researcher Liesbeth Bakker made this discovery during her research into the food preferences of fish. The discovery turns our ...

Nutrient Pollution Chokes Marine and Freshwater Ecosystems

Protecting drinking water and preventing harmful coastal "dead zones", as well as eutrophication in many lakes, will require reducing both nitrogen and phosphorus pollution. Because streams and rivers are conduits to the ...

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