News tagged with invasive species

'Dirty dozen' invasive species threaten UK

Parts of the UK are at greater risk of invasion by non-native aquatic species than previously thought, according to new research. The first to include human factors in models used to predict where invasive species will arrive ...

May 01, 2013
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Invasive crabs help Cape Cod marshes

(Phys.org) —Ecologists are wary of non-native species, but along the shores of Cape Cod where grass-eating crabs have been running amok and destroying the marsh, an invasion of a predatory green crabs has ...

Apr 03, 2013
4.7 / 5 (3) 0

Ants follow Fermat's principle of least time

(Phys.org) —Ants have long been known to choose the shortest of several routes to a food source, but what happens when the shortest route is not the fastest? This situation can occur, for example, when ...

Apr 01, 2013 feature
4.8 / 5 (21) 22 | with audio podcast

New requirements for ballast water dumped by ships

(AP)—The Environmental Protection Agency has issued new requirements for cleansing ballast water dumped from ships, which scientists believe has brought invasive species to U.S. waters that damage ecosystems and cost the ...

Mar 29, 2013
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