"RIVER INVADERS: THE SCOURGE
OF ZEBRA MUSSELS"

Written and Produced by Betty Wills

Hosted by James Drury


Unionid Suffocation
ZEBRA MUSSEL INFESTATION OF
A NATIVE UNIONID

Close Up
CLOSE UP OF ZEBRA MUSSELS

Small, remarkable creatures ... far more sophisticated than one can imagine, and perhaps the most threatening of all exotic species that have invaded North American waters. 

Their numbers are phenomenal...their spread is rapid...and in their wake is a trail of death & destruction. 

The message is clear - our rivers and lakes have been invaded, and the problem is critical.  Perhaps of even greater concern is whether or not YOU are prepared for the scourge of zebra mussels.

© Betty Wills

*** Award Winning Broadcast ***

Outdoor Writers Association Of America
Conservation/Environment Category


 

James Drury
JAMES DRURY

Popular actor of stage and screen; star of the long running television series, "The Virginian"
This half-hour documentary was recommended as an "excellent resource for cross-curriculum units" in the December, '96 issue of BOOKLIST. It also received a 3 Star Rating, Sept/Oct '96 issue of VIDEO LIBRARIAN, and was recommended for public viewing.

CLICK HERE FOR THE REVIEWS

Zebra mussels have spread from the Great Lakes south to New Orleans, LA., and have been spotted as far west as southern California. They are spreading into areas that were once thought impenetrable to the invasion. Their effect on the delicate balance of ecosystems is of major concern, particularly where there are increasing levels of toxic algae. This is a must see video for industrial and recreational water users, lake residents and boat owners.

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"River Invaders" was selected as a public information/educational
resource, and is listed at the Sea Grant Nonindigenous Species Site

Diver
CHECKING INTAKES
Boat Motor
ZEBRA MUSSELS
ON BOAT MOTOR
Zebra mussels often settle in massive colonies, and can block raw water intakes, creating havoc on raw water users.  There is no magic bullet to stop their spread.

BE PREPARED
Boaters inadvertently transport zebra mussels to lakes and reservoirs, and should take precautions before traveling to and from different systems in and out of state.

TAKE PRECAUTIONS
Unionid Zebra mussels have wiped out entire populations of native unionids, (freshwater clams), in the open waters of western Lake Erie. Indications are that more unionids - some of which are endangered species - will be extirpated as zebra mussels spread across the country.  There is an ongoing effort to save as many unionids as possible by removing them from the rivers, and keeping them in hatchery ponds in a safer, more controlled environment. 
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