Persian Gulf - Wildlife

Wildlife

The wildlife of the Persian Gulf is diverse, and entirely unique due to the gulf's geographic distribution and its isolation from the international waters only breached by the narrow Strait of Hormuz. The Persian Gulf has hosted some of the most magnificent marine fauna and flora, some of which are near extinction or at serious environmental risk. From corals, to dugongs, Persian Gulf is a diverse cradle for many species who depend on each other for survival.

A great example of this symbiosis are the mangroves in the gulf, which require tidal flow and a combination of fresh and salt water for growth, and act as nurseries for many crabs, small fish, and insects; these fish and insects are the source of food for many of the marine birds that feed on them. Mangroves are a diverse group of shrubs and trees belonging to the genus Avicennia or Rhizophora that flourish in the salt water shallows of the gulf, and are the most important habitats for small crustaceans that dwell in them. They are as crucial an indicator of biological health on the surface of the water, as the corals are to biological health of the gulf in deeper waters. Mangroves' ability to survive the salt water through intricate molecular mechanisms, their unique reproductive cycle, and their ability to grow in the most oxygen-deprived waters have allowed them extensive growth in hostile areas of the gulf. Unfortunately, however, with the advent of artificial island development, most of their habitat is destroyed, or occupied by man-made structures. This has had a negative impact on the crustaceans that rely on the mangrove, and in turn on the species that feed on them.

One of the most unique marine mammals living in the Persian Gulf is Dugong dugon, commonly referred to as the dugong, or the "sea cow". Called "sea cows" for their grazing habits, their mild manner and resemblance to the livestock, dugongs have a life expectancy similar to that of humans and can reach lengths of up to 3 meters. These gentle mammals feed on the sea grass and genetically resemble the land mammals more than the dolphins and the whales. Despite the simplicity of their grass diet, new developments along the Persian Gulf coastline, particularly artificial island development in Arab states, pollution particularly by oil spills caused during the "Persian Gulf war" and also due to occasional oil spills, and uncontrolled hunting has had a negative impact on the survival of the dugongs. After Australian waters with some 80,000 dugong inhabitants, the waters off Qatar, Bahrain, UAE, and Saudi Arabia have some 7,500 dugongs remaining, making the Persian Gulf the second most important habitat for the species. Dugong's current number is dwindling and it is not clear as of now how many are currently alive or what their reproductive trend is. Unfortunately, ambitious and uncalculated construction schemes, political unrest and an ever present international conflict, and presence of the most lucrative world supply of oil, along with lack of cooperation between Arab states and Iran, has had a negative impact on the survival of many marine species, including dugongs.

Coral is another important inhabitant of the Persian Gulf waters. Corals are vital ecosystems that support multitude of marine species, and whose health directly reflects the health of the gulf. Recent years have seen a drastic decline in the coral population in the gulf, partially owing to global warming but majorly due to irresponsible dumping by Arab states like UAE and Bahrain. Construction garbage such as tires, cement, and chemical by products have found their way to the Persian Gulf in recent years. Aside from direct damage to the coral, the construction waste creates "traps" for marine life in which they are trapped and die. The end result has been a dwindling population of the coral, and as a result a decrease in number of species that rely on the corals for their survival.

The Persian Gulf is also home to many migratory and local birds. There is great variation in color, size, and type of the bird species that call the gulf home. One bird in particular, the kalbaensis, a sub-species of the kingfishers is at the brink of extinction due to real state development by cities such as Dubai and countries such as Oman. Estimates from 2006 showed that only three viable nesting sites were available for this ancient bird, one located 80 miles from Dubai, and two smaller sites in Oman, all of which are in the process of becoming real estate developments. Such expansion would prove devastating and could cause this species to become extinct. Unfortunately for the kingfisher, a U.N. plan to protect the mangroves as a biological reserve was blatantly ignored by the emirate of Sharjah, which allowed the dredging of a channel that bisects the wetland and construction of an adjacent concrete walkway. Environmental watchdogs in Arabia are few, and those that do advocate the wildlife are often silenced or ignored by developers of real estate, most of whom have royal family connections and huge energy profits to invest. The end result has been sacrifice of a beautiful yet delicate ecology that has been in harmony for hundreds of years, for structures that are erected only a few years, yet will have a lasting detrimental effect.

Almost no species in the Persian Gulf is spared from the real estate development of UAE and Oman, including the hawksbill turtle, the flamingo, and the booted warblers, mainly due to destruction of the mangrove habitats to make way for towers, hotels, and luxury resorts. Even dolphins that frequent the gulf in northern waters, around Iran are at serious risk. Recent statistics and observations show that dolphins are at danger of entrapment in purse seine fishing nets and exposure to chemical pollutants; perhaps the most alarming sign is the "mass suicides" committed by dolphins off Iran's Hormozgan province, which are not well understood, but are suspected to be linked with a deteriorating marine environment from water pollution from oil, sewage, and industrial run offs.

The Persian Gulf is also home to over 700 species of fish, most of which are native to the gulf. Of these 700 species, more than 80% are coral reef associated, and directly or indirectly depend on the coral reef for their survival. Overall, the wild life of the Persian Gulf is endangered from both global factors, and regional, local negligence. Most pollution is from ships; land generated pollution counts as the second most common source of pollution, ranging from mercury, to acidic or basic toxins.