Gulf of Oman and marine wildlife can not exist. The dead zone encompasses nearly the entire 63,700-square-mile Gulf of Oman. The cause is a combination of increased ocean warming, and increased runoff of nitrogen and phosphorus from fertilizers. Gulf of Oman The Gulf of Oman or Sea of Oman ( "khalīj ʿumān"; "daryâ-ye omân") is a strait (and not an actual gulf) that connects the Arabian Sea with the Strait of Hormuz, which then runs to the Persian Gulf. It borders Iran and Pakistan on the north, Oman on the south, and the United Arab Emirates on the west. The International Hydrographic Organization
Persian Gulf Doha. Persian Gulf islands are often also historically significant, having been used in the past by colonial powers such as the Portuguese and the British in their trade or as acquisitions for their empires. Eight nations have coasts along the Persian Gulf: Bahrain, Iran, Iraq, Kuwait, Oman, Qatar, Saudi Arabia, and the United Arab Emirates. The gulf's strategic location has made it an ideal place for human development over time. Today, many major cities of the Middle East are located in this region. The wildlife of the Persian Gulf is diverse, and entirely unique due to the gulf's geographic distribution