| Impact ID |
Scientific Name
|
Impact Type
|
Study Type
|
Study Location
|
Impact Description
|
Geographic Location
|
Reference
|
|
3341
|
Myriophyllum spicatum
|
Predation/Herbivory
|
Observational
|
Field
|
Myriophyllum spicatum was associated with fewer bluegill but more black crappie and golden shiner, and significantly fewer isopods, chironomid and trichopteran larvae, and ephemeropteran nymphs
|
|
33931
|
|
3372
|
Myriophyllum spicatum
|
Predation/Herbivory
|
Observational
|
Field
|
Myriophyllum spicatum was associated with low diversity and density of native plants and low growth of fishes.
|
|
10487
|
|
3403
|
Myriophyllum spicatum
|
Predation/Herbivory
|
Observational
|
Field
|
Except at high densities, Myriophyllum spicatum was associated with high fish and invertebrate abundance and diversity in the Keweenaw Waterway of Michigan’s Upper Peninsula.
|
|
31010
|
|
3493
|
Myriophyllum spicatum
|
Predation/Herbivory
|
Experimental
|
Laboratory
|
Grass shrimp, Palaemonetes spp., preferred Myriophyllum spicatum foliage over Ruppia maritima cover when in the presence of predator blue crab, Callinectes sapidus.
|
|
33999
|
|
7426
|
Myriophyllum spicatum
|
Predation/Herbivory
|
Experimental
|
Laboratory
|
In a laboratory setting native Hyalella azteca and Physella sp. exhibited high rates of consumption of Myriophyllum spicatum.
|
|
39478
|
|
8727
|
Myriophyllum spicatum
|
Predation/Herbivory
|
Observational
|
Field
|
Stands of Eurasian watermilfoil (Myriophyllum spicatum) in lakes in Ontario had reduced abundance and diversity of aquatic insects and other benthic macroinvertebrates compared to native communities.
|
Lake Opinicon, Leeds County,Ontario, Canada
|
33931
|
|
8728
|
Myriophyllum spicatum
|
Predation/Herbivory
|
Observational
|
Field
|
There were 3-4 times as many fish feeding in native plant communities than in beds of Myriophyllum spicatum (Eurasian watermilfoil).
|
Lake Opinicon, Leeds County,Ontario, Canada
|
33931
|
|
8729
|
Myriophyllum spicatum
|
Predation/Herbivory
|
Experimental
|
Field
|
Dense cover from Myriophyllum spicatum (Eurasian watermilfoil) allows high survival rates of young fish; however, larger piscivorous fish lose foraging space and are less efficient at obtaining their prey.
|
Dana County, Wisconsin, USA
|
10146
|
|
8730
|
Myriophyllum spicatum
|
Predation/Herbivory
|
Observational
|
Field
|
The growth and vigor of a warm-water fishery are reduced by dense Eurasian watermilfoil (Myriophyllum spicatum) cover.
|
Kirk Pond, Oregon, USA
|
10487
|
|
8731
|
Myriophyllum spicatum
|
Predation/Herbivory
|
Anecdotal
|
N/A
|
Myriophyllum spicatum (Eurasian watermilfoil) also has less value as a food source for waterfowl than the native plants it replaces.
|
|
10310
|