Claim · model-written summary
Oiled stems and leaves broke and left the canopy at revisited Barataria Bay sites.
- Taxon
- plante0
- Outcome
- broke and were removed from the vegetation canopye0
- Qualifier
- likely due to tidal actione0
- Setting
- Barataria Baye0
Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleTreatmentComparatorDirectionValue
Verbatim
e0“At sites repeatedly visited in Barataria Bay over this time period, oiled plant stems and leaves, laid over by the weight of the oil, broke and were removed from the vegetation canopy, likely due to tidal action.”
Title
Shoreline surveys of oil-impacted marsh in southern Louisiana, July to August 2010
Raymond F. Kokaly; David Heckman; JoAnn Holloway; et al. Antarctica A Keystone in a Changing World 2011. doi:10.3133/ofr20111022
Other claims from this paper (11)
- Observation Oiling ranged from lightly oiled Spartina and Juncus stems to damaged canopies up to 19 m inland.
- Observation The oil-damaged zone averaged 6.7 m deep at 34 Barataria Bay survey points.
- Observation The median oil penetration depth was 5.5 m.
- Observation Oil-damaged zones often stretched more than 100 m along the shore.
- Observation Phragmites australis dominated oil-impacted zones in the Bird’s Foot area.
- Observation Oil covered leaves and thick stems of Phragmites australis.
- Observation Fewer oil-damaged canopies were documented in the Bird’s Foot area than in Barataria Bay.
- Observation Oil persisted on marsh plants from July 7 through August 24 in both areas.
- Observation A 2–5 cm tall stubble zone remained at the marsh edge.
- Observation Some sites lost all live vegetation cover and experienced sediment erosion.
- Observation Some damaged zones showed vegetation regrowth covering up to 10 percent of the area.