Usoro ebe nsọ mmiri nke mba na-aga n'ihu ugbu a site na mgbasawanye nke Ọwara nke Farallones na Cordell Bank National Marine Sanctuaries, ebe mgbago ugwu nke ebe nsọ anọ nke California nke gụnyere Monterey Bay na Channel Islands National Marine Sanctuaries. Cordell Bank ga-agbasapụ n'akụkụ osimiri, na-agbakwụnye 757 square kilomita, na Gulf of the Farallones ga-agbasa n'ebe ugwu ruo Alder Creek dị n'ebe ugwu nke Point Arena na offshore, na-agbakwụnye 2,014 square kilomita. Richard Charter, onye na-ahụ maka gburugburu ebe obibi ogologo oge na-eje ozi kwuru, "Iri afọ iri atọ nke nrụgide bipartisan sitere n'aka ndị isi obodo, ndị ọrụ mpaghara, ọdịmma ịkụ azụ, ndị omebe iwu steeti, ndị nnọchiteanya ọgbakọ, ndị omebe iwu US, na onye ọchịchị California ọ bụla nọ ọdụ edugala anyị na ọkwa akụkọ ihe mere eme taa." dị ka onye otu ibe ya na The Ocean Foundation, "Ndị mmadụ ekwuola, na White House na-ege ntị."