|
III.
Environment and Natural Resources
C.
Invasive
Species
There are a number of invasive species in the Darby
Watershed that cause a variety of problems.
In
Ohio
approximately 3,000 species of plants are known to occur in the wild, but about
25 percent are not native to
Ohio
. Some of these species reproduce
and grow in an invasive manner squeezing out native plants and creating
monocultures. Species diversity is
important in maintaining a healthy ecosystem particularly to sensitive species.
The major invasive species for the Darby Watershed are listed in Figure
68.
|
Figure
68: Invasive Species in the Darby Watershed
|
|
Type
|
Common
Name
|
Type
|
Common
Name
|
|
Bird
|
Starling
|
Shrub
|
Glossy
Buckthorn
|
|
Tree
|
Osage
Orange
|
Shrub
|
Common
Buckthorn
|
|
Tree
|
Black
Locust
|
Plant
|
Garlic
Mustard
|
|
Shrub
|
Amur
Honeysuckle
|
Fish
|
Carp
|
|
Shrub
|
Tartarian
Honeysuckle
|
Mussel
|
Asiatic
Clam
|
|
Shrub
|
Morrow
Honeysuckle
|
Insect
|
Gypsy
Moth
|
|
Shrub
|
Japanese
Honeysuckle
|
Insect
|
Asian
Lady Bug
|
|
Shrub
|
Burning
Bush
|
Insect
|
Giant
Wasp
|
|
Shrub
|
Wintercreeper
|
Insect
|
Japanese
Beetle
|
|
Shrub
|
Autumn
Olive
|
|
|
|
Source:
Albin, Mac (
Franklin
County
Metroparks) and
McCormac, Jim(ODNR), 2004. |
Additional invasive species not mentioned in the above list
are a number of European meadow species that account for approximately a quarter
of all species in central Ohio
meadows. Though not yet present in
the Darby Watershed, the Emerald Ash Borer is spreading in Ohio
.
 
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