Claim · model-written summary
Native understory species diversity increased with time since removal, with 18.2 native species recorded in 2012 and 28.2 in 2016.
- Taxon
- Native understory speciese0
- Outcome
- diversitye0
- Direction
- increasede0
- Value
- 18.2 native species in 2012, and 28.2 native species in 2016e1
- Qualifier
- time since removale0
Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleTreatmentComparatorSetting
Verbatim
e0“Native understory species diversity increased with time since removal”
e1“We recorded 18.2 native species in 2012, and 28.2 native species in 2016”
Title
Secondary Invasion and Reinvasion after Russian-Olive Removal and Revegetation
Erin K. Espeland; Jennifer M. Muscha; Joseph Scianna; et al. Invasive Plant Science and Management 2017. doi:10.1017/inp.2017.36
Other claims from this paper (13)
- Intervention effect Diversity in revegetated plots did not differ from unplanted controls.
- Observation Of 22 planted species, 2 did not establish.
- Observation Native perennial grass, seeded species and annual bromes increased over time.
- Observation Nonnative forbs and native forbs decreased over time.
- Intervention effect Only invasive perennial grass cover responded to revegetation, being much higher in controls than in revegetated plots (25.7% vs. 7.7%).
- Mechanism The lower invasive perennial grass cover with revegetation was likely a response to a preplanting herbicide treatment.
- Observation All categories of species diversity except invasive species diversity increased over time.
- Observation Only 4% of Russian-olive stumps resprouted in the first year after removal.
- Observation Less than 1% of Russian-olive stumps resprouted 2 years after removal.
- Observation There was no Russian-olive emergence from seed in the removal year.
- Observation Russian-olive seed emergence varied exponentially among the years following removal.
- Observation Seeded native species did not have trouble establishing once adequate spring moisture occurred in the second growing season after Russian-olive removal.
- Recommendation Follow-up control of Russian-olive is critical after initial treatment.