| Impact ID |
Scientific Name
|
Impact Type
|
Study Type
|
Study Location
|
Impact Description
|
Geographic Location
|
Reference
|
|
5648
|
Crassula helmsii
|
Recreation
|
Anecdotal
|
N/A
|
Dense mats of Crassula helmsii can negatively impact recreation by reducing the attractiveness of areas and inhibiting access.
|
Europe
|
29357
|
|
5655
|
Crassula helmsii
|
Recreation
|
Anecdotal
|
N/A
|
Crassula helmsii is one of ten weed species in England that have a negative impact on angling and is estimated to cost angling 170,636 pounds across the 10km affected stretch of river. Removal of Crassula helmsii ranges from 1,450-7,225 pounds per pond.
|
England
|
39944
|