News tagged with sample

New detection method for Goby invasion

Conventional methods of stock monitoring are unsuitable for certain fish species. For example, the infestation of an area with invasive Ponto-Caspian gobies cannot be identified in time by standard methods. Researchers at ...

dateJan 27, 2016 in Ecology
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Killer whales feast on salmon in summer

Salmon are the primary summer food source for an endangered population of killer whales in the Pacific Northwest, according to an analysis of fish DNA in killer whale poop published Jan. 6, 2016 in the open-access journal ...

dateJan 06, 2016 in Ecology
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Enough oxygen long before animals rose

Oxygen is crucial for the existence of animals on Earth. But, an increase in oxygen did not apparently lead to the rise of the first animals. New research shows that 1.4 billion years ago there was enough oxygen for animals ...

dateJan 04, 2016 in Earth Sciences
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