Abstract
In 1987 the effects of arthropods on root:shoot ratios and biomass production were examined in southeastern Wyoming mountain shrub habitats that were undisturbed or had undergone conventional shrub management by mowing, burning, or herbicide application during the previous year. In habitats with and without shrub canopy, treatment with insecticides generally increased foliage biomass and consistently decreased root biomass, regardless of the shrub management practice. In open areas the effects of insecticide treatments on the root and shoot biomass were relatively greater in undisturbed plots than in any of the managed plots. With only one exception, the root:shoot ratio increased following application of insecticide.
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Claims 4
Claim · model-written summary
Insecticide treatment increased shrub foliage biomass across canopy and management settings.
- Taxon
- mountain shrubt0
- Treatment
- treatment with insecticidese0
- Outcome
- foliage biomasse0
- Direction
- increasede0
- Qualifier
- regardless of the shrub management practicee0
- Setting
- habitats with and without shrub canopye0
Not reportedComparator
Verbatim
e0“In habitats with and without shrub canopy, treatment with insecticides generally increased foliage biomass and consistently decreased root biomass, regardless of the shrub management practice.”
t0“mountain shrub”
Claim · model-written summary
Insecticide treatment decreased shrub root biomass across canopy and management settings.
- Taxon
- mountain shrubt0
- Treatment
- treatment with insecticidese0
- Outcome
- root biomasse0
- Direction
- decreasede0
- Qualifier
- regardless of the shrub management practicee0
- Setting
- habitats with and without shrub canopye0
Not reportedComparator
Verbatim
e0“In habitats with and without shrub canopy, treatment with insecticides generally increased foliage biomass and consistently decreased root biomass, regardless of the shrub management practice.”
t0“mountain shrub”
Claim · model-written summary
In open areas, insecticide effects on shrub root and shoot biomass were greater in undisturbed plots than managed plots.
Verbatim
e0“In open areas the effects of insecticide treatments on the root and shoot biomass were relatively greater in undisturbed plots than in any of the managed plots.”
t0“mountain shrub”
Claim · model-written summary
Shrub root to shoot ratio increased after insecticide application, with one exception.
- Taxon
- mountain shrubt0
- Treatment
- application of insecticidee0
- Outcome
- root:shoot ratioe0
- Direction
- increasede0
- Qualifier
- With only one exceptione0
Not reportedComparator
Verbatim
e0“With only one exception, the root:shoot ratio increased following application of insecticide.”
t0“mountain shrub”