Japanese knotweed

Fallopia japonica
(Japanese knotweed)
Plants
Exotic

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Impacts

18 results for Fallopia japonica (Japanese knotweed)

Results per page:

Impact ID	Scientific Name	Impact Type	Study Type	Study Location	Impact Description	Reference
4674	Fallopia japonica	Habitat Alteration	Experimental	Field	Japanese knotweed, Fallopia japonica, invasions could degrade terrestrial habitat quality...	37068
4675	Fallopia japonica	Competition	Anecdotal	N/A	Japanese knotweed, Fallopia japonica, is a successful competitor. The foliage forms dense...	37069
4676	Fallopia japonica	Infrastructure	Anecdotal	N/A	The height to which Japanese knotweed, Fallopia japonica, grows can reduce visibility on...	37069
4677	Fallopia japonica	Infrastructure	Anecdotal	N/A	In winter when the vegetative growth of Japanese knotweed, Fallopia japonica, has died...	37069
4678	Fallopia japonica	Infrastructure	Anecdotal	N/A	In times of flooding, dense stands of Japanese knotweed, Fallopia japonica, on the...	37069
4679	Fallopia japonica	Property Value	Anecdotal	N/A	In times of flooding, dense stands of Japanese knotweed, Fallopia japonica, on the...	37069
4680	Fallopia japonica	Navigation	Anecdotal	N/A	In times of flooding, dense stands of Japanese knotweed, Fallopia japonica, on the...	37069
4681	Fallopia japonica	Property Value	Anecdotal	N/A	Decaying plant material from In times of flooding, dense stands of Japanese knotweed, Fallopia...	37069
4682	Fallopia japonica	Human Health	Anecdotal	N/A	Decaying plant material from In times of flooding, dense stands of Japanese knotweed, Fallopia...	37069
4683	Fallopia japonica	Infrastructure	Anecdotal	N/A	Japanese knotweed, Fallopia japonica, shoots are able to push up through asphalt, damaging...	37069
4688	Fallopia japonica	Habitat Alteration	Experimental	Field	Japanese knotweed, Fallopia japonica, invasion decreased the cover of most plant species...	37070
4689	Fallopia japonica	Competition	Experimental	Laboratory	All non-zero concentrations of Polygonum cuspidatum resulted in significant losses of...	37071
4690	Fallopia japonica	Habitat Alteration	Experimental	Field	The stand of Japanese knotweed, Polygonum cuspidatum, had a significant impact decreasing...	37073
4691	Fallopia japonica	Habitat Alteration	Observational	Field	Japanese knotweed, Fallopia japonica, has reduced the diversity and abundance of native...	37077
4692	Fallopia japonica	Habitat Alteration	Observational	Field	Blocks of riparian vegetation with higher coverage of Japanese knotweed, Reynoutria spp....	37078
4751	Fallopia japonica	Habitat Alteration	Observational	Field	Louisiana Waterthrush showed a significant negative correlation in abundance with presence of...	37102
4752	Fallopia japonica	Competition	Observational	Field	Native plant species richness and cover lower in Japanese knotweed, Fallopia japonica...	37068
7052	Fallopia japonica	Habitat Alteration	Experimental	Laboratory	In a laboratory setting, extracts from F. japonica affect microbial community structure;...	42116

Data Disclaimer: These data are preliminary or provisional and are subject to revision. They are being provided to meet the need for timely best science. The data have not received final approval by the U.S. Geological Survey (USGS) and are provided on the condition that neither the USGS nor the U.S. Government shall be held liable for any damages resulting from the authorized or unauthorized use of the data.