| Impact ID |
Scientific Name
|
Impact Type
|
Study Type
|
Study Location
|
Impact Description
|
Geographic Location
|
Reference
|
|
4627
|
Trapa natans
|
Recreation
|
Observational
|
Field
|
When not managed and allowed to spread, Trapa natans forms dense mats and impedes water use.
|
Chesapeake Bay Watershed, US
|
15733
|
|
4629
|
Trapa natans
|
Recreation
|
Observational
|
Field
|
Trapa natans spines can penetrate shoes and impact beach recreation.
|
Chesapeake Bay Watershed, US
|
15733
|
|
4637
|
Trapa natans
|
Recreation
|
Observational
|
Field
|
Dense masses of Trapa natans can become detached from substrate and float, impeding boating and fishing.
|
Great Lakes Region, Ontario, Canada
|
28628
|
|
6391
|
Trapa natans
|
Recreation
|
Observational
|
N/A
|
Trapa natans clogs the waterway, impacting boating
|
Oswegatchie River, New York
|
41886
|