Species:
Elaeagnus umbellata
Common Name:
autumn olive
Systems Affected (standardized):
disturbed/waste areas, cropland/pastureland, forest/woodland, rangeland
Regions(s) present (updated by AB):
NE, SE
Impacts:
can form a dense shrub layer which displaces native species and closes open areas. Impact outcomes
Damaged ecosystem services
Ecosystem change/ habitat alteration
Increases vulnerability to invasions
Modification of fire regime
Modification of hydrology
Modification of nutrient regime
Modification of successional patterns
Monoculture formation
Negatively impacts forestry
Negatively impacts tourism
Reduced amenity values
Reduced native biodiversity
Threat to/ loss of native species
Transportation disruption
Impact mechanisms
Allelopathic
Competition - monopolizing resources
Competition - shading
Interaction with other invasive species
Rapid growth
Source? likely to be reintroduced:
Long distance dispersal of E. umbellata has been due entirely to its intentional introduction for perceived environmental benefits.
Info Blurb:
Can form a dense shrub layer which displaces native species and closes open areas. Intentionally introduced for perceived environmental benefits.
Native Regions in OK:
NONE
Current and past designations:
OWL
Present in OK?
Yes
Present in Bordering States?
NM, KS, MO, AR, LA
Has Legal Status in BS?
NONE