Invasive Species

January 11, 2010--Technology, mussels could halt wastewater project (Denver Post)

Local government managers are urging elected officials to force the Clean Water Coalition to scrap a plan for an $860 million pipeline to pump treated wastewater into Lake Mead. The coalition project was once seen as a way to better mix wastewater with lake water, by pumping the treated water deep into the lake.

January 9, 2010--NASA study: Lake Tahoe water temps warmer (Denver Post)

A recent NASA study showed Lake Tahoe's water is warming twice as quickly as regional air temperature, lending weight to predictions of warming lake temperatures made by UC Davis researchers in 2008.


December 21, 2009--Michigan asks U.S. Supreme Court to bar carp from Great Lakes (Environmental News Service)

The State of Michigan filed a petition to the U.S. Supreme Court today to close canals near Chicago to prevent invasive Asian carp from gaining access to the Great Lakes through Lake Michigan. Michigan Attorney General Mike Cox asked the U.S.

December 11, 2009--Pollution crimes cost Greek shipper $2.7 million, ships barred from USA (Environmental News Service)

Polembros Shipping Ltd., a Greek ship management company, was sentenced Wednesday in federal court in New Orleans to pay a $2.7 million criminal fine for violating anti-pollution laws, ship safety laws, and making false statements during a U.S. Coast Guard investigation of the cargo ship M/V Theotokos.

November 21, 2009--Asian carp may be near U.S. Great Lakes (Environmental News Network)

There are signs Asian carp may have breached barriers designed to keep the prolific fish out of the Great Lakes, which could spell ecological disaster for the vital source of fresh water, authorities said on Fri


October 9, 2009--Arkansas River Valley producers battle tamarisk with aerial spraying (La Junta Ag Journal)

Producers along the Arkansas River from Canon City to the state line past Holly, have undertaken a project to rid their land from tamarisk or salt cedar. They can't count on Mother Nature for help because tamarisk is not native to this country and that means it has no natural enemies.


Trillions of Western Mussels

The picture at left depicts quagga mussels removed from the Mississippi River lock and dam number 7 (2001). This invasive species has inundated waterways east of the 100th meridian.


September 16, 2009--New Northwest salmon plan modifies Bush approach (Los Angeles Times)

Fisheries managers announced Tuesday that they would enhance but not significantly alter the government's current strategy for saving salmon from extinction in the rivers of the Pacific Northwest, drawing criticism from conservationists.

August 28, 2009--Coast Guard proposes limits on invasive species released by ships in US ports (Los Angeles Times)

The Coast Guard on Thursday proposed national standards for regulating the release in port of ships' ballast water, which can introduce new, sometimes detrimental species to U.S. ecosystems.

August 20, 2009--Tamarisk beetle program put on hold (Durango Telegraph)

The battle of the invaders may be going on hold in the West. While tamarisk, the poster child for non-native plants, has squeezed out native species and exhausted scarce water resources throughout the West, there has been a new ally in the fight against the noxious weed’s spread – a small beetle from Central Asia.


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