| Impact ID |
Scientific Name
|
Impact Type
|
Study Type
|
Study Location
|
Impact Description
|
Geographic Location
|
Reference
|
|
5575
|
Crassula helmsii
|
Predation/Herbivory
|
Observational
|
Field
|
In ponds where Crassula helmsii was the dominant species there was an increase in total individual abundance of macroinvertebrates but a decrease in evenness. Overall, there was a significant effect on invasion category and an indication that C. helmsii influences macroinvertebrate community composition.
|
Dartmoor National Park, Devon, United Kingdom
|
39679
|