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Home Programs Habitat Restoration Landowner's Guide to Watershed Friendly Living Preventing the Spread of Invasive Species
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Prevent Non-Native Species Invasions

Non-native bullfrog are just one of several non-native species found in the Lagunitas Watershed, Marin. Bullfrogs and some other non-natives are known to prey upon native endangered salmon and other species.
Photo: Reuven Walder

Here are several resources about non-native species invasions and ways to prevent them. Check out these websites and contact us for more information!

More Information

Another Non-Native Species Found in West Marin's Creeks (April 26, 2004)
Spiny Softshell Turtle, native to the Midwest Could Spell Trouble for Native Salmon and Trout

Forest Knolls, CA - The recent discovery of a nine inch long non-native spiny softshell turtle in Marin's Lagunitas Creek Watershed has caused environmental groups and state agencies to warn of the potential...

Handling and Disposal of Non-Native Species (136KB PDF)

Other pages in Preventing the Spread of Invasive Species

Prevent Non-Native Species Invasions
The invasion of non-native species into watersheds that support native species such as salmon, freshwater shrimp and other endangered species

SPAWN is a project of Turtle Island Restoration Network • PO Box 370, Forest Knolls, CA 94933
Phone: (415) 663-8590 • Fax: (415) 663-9534 • Email:

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