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WHAT ARE INVASIVE SPECIES?
Invasive species are those
that spread into area where they are not native, displace natives or
bring about changes in species composition, community structure, or
ecosystem function.
PROBLEMS THAT INVASIVES CAUSE
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Alter ecosystems functions such as nutrient
cycles, hydrology, and wildlife frequency.
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Out
compete and exclude native plants and animals.
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Hybridize with native species.
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Some spread into
national parks, preserves, and other wildlands and reduce and
eliminate the species and communities these sites were set aside to
protect.
WHAT YOU CAN DO TO HELP
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PREVENTION: You can make a difference by
simply not buying these plants, informing your neighbors of their
dangers, and encouraging your local nursery not to carry them.
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ERADICATION: Remove the most invasive
plants from your landscape and replace them: preferably with native
plants, or at least with non-invasive exotics.
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RESTORATION: Consider volunteering your
time or contributing to a group that works on public lands addressing
this vital issue.
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Plants on
Your Property that Should Be AVOIDED or ERADICATED
WARNING
Herbicides are chemicals that kill or inhibit plant growth. They can
be dangerous and should be used only after careful consideration of
other options and only with extreme care. The most important safety
rule for herbicide use is to read the label and follow the directions.
Applicators must wear protective gear required on the label of the
herbicide they are using. County agricultural agents can answer
questions about herbicides, as can certified herbicide applicators.
SOURCES
All information was obtained from the following sources:
Moore, Ken, for the Wildlands Restoration Team, 2002. A plague of
plants: Controlling Santa Cruz County’s invasive plan.
Bossard,C., Randall, J., Hoshovsky, M. (Editors). 2000. Invasive
Plants of California’s Wildlands.
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