Lingering effects, 2 years

Deepwater Horizon oil spill effects


Cover pictureThe ecological fate of spilled gas and oil

The biological/ecotoxicological impacts in offshore ecosystems

The results in nearshore and seaside web sites

The consequences on long-lived marine organisms

The Deepwater Horizon oil spill constituted an ecosystem-level damage when you look at the northern gulf. Much oil spread at 1100–1300 m depth, contaminating and impacting deepwater habitats. Elements like oil-biodegradation, ocean currents and response actions (dispersants, burning) decreased coastal oiling. Nonetheless, > 2100 kilometer of shoreline and many seaside habitats were impacted. Research shows that oiling caused a wide range of biological results, although worst-case impact circumstances couldn't materialize. Biomarkers in specific organisms had been more informative about oiling anxiety than population and community indices. Salt marshes and seabird communities were hard hit, but had been additionally rather resilient to oiling impacts. Tracking demonstrated small contamination of seafood. Specific impacts are nevertheless understudied, such as for instance impacts on seagrass communities. Concerns of long-term impacts stay for huge seafood species, deep-sea corals, ocean turtles and cetaceans. These species and their habitats should continue to receive interest (monitoring and research) for many years to come.

Keywords

  • Deepwater Horizon oil spill;
  • Ecological results;
  • Review

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