Changes

by the spill.

by the spill.

=== Oyster and shrimp ===

=== Coarl, oyster and shrimp ===

Oyster and shrimp likewise are critically affected. Shrimp were found to be extremely vulnerable to the lethal effects of the chemical dispersant Corexit used by [[Obama administration]] disaster relief agencies and BP in testing done by the [[Environmental Protection Agency]] (EPA).<ref>Toxic Oil Dispersant Used in Gulf Despite Better Alternative, Brandon Keim, 5 May 2010. Retrieved from ''Wired Science'' 15 May 2010.</ref>  

Corals, oyster and shrimp likewise are critically affected. Richard Charter, a foremost expert on [[marine biology]] and oil spills who is a senior policy advisor for Marine Programmes for Defenders of Wildlife and is chairman of the Gulf of the Farallones National Marine Sanctuary Advisory Council has said, “There is a [[chemical]] [[toxic]]ity to the dispersant compound that in many ways is worse than oil,” which "in so doing you may be more seriously damaging the ecosystem offshore.”<ref>Chemical dispersants seem to be keeping oil from Gulf shore, but results may range from simply cosmetic to very toxic. Retreived from Belona.org 15 May 2010.</ref> Shrimp were found to be extremely vulnerable to the lethal effects of the chemical dispersant Corexit 9500 used by [[Obama administration]] disaster relief agencies and BP in testing done by the [[Environmental Protection Agency]] (EPA).<ref>Toxic Oil Dispersant Used in Gulf Despite Better Alternative, Brandon Keim, 5 May 2010. Retrieved from ''Wired Science'' 15 May 2010.</ref>

=== Brown pelican ===

=== Brown pelican ===