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|Hesterath lowlands, North and East Hesterath, East Naphtora, Flonesia
|212,943 km (132,317 mi) (North Hesterath to Southern Ocean)
|156,905 km (97,496 mi) (East Naphtora to East Hesterath)
|65,106,141 km2 (25,137,622 sq mi)
|3,282 m (10,768 ft)
|6,291 m (20,640 ft)
|250,217 km (155,478 mi)
|Hoy Kok, Uraka, Herffing, Sherley, Dawlun
|1 Shore length is not a well-defined measure.
The Aquamic Ocean, also known as the Megalon Ocean by the Ancient Pylosan and Calidum, is Gentu XXX largest ocean. It covers a surface area of 65,106,141 km2 (25,137,622 sq mi) or approximately 7.08% of the water on Gentu's surface. It is bordered by Hesterath to the north and northwest; Oranland and Naphtora to the west; Flonesia to the east; and the Southern Ocean to the south. Along its core, the Aquamic Ocean has some large marginal or regional seas such as the Horapon Sea, the Nanhai Sea, the White Sea, the Gulf of Urgan, and the Gulf of Tevrick.
With a surface area of 65,106,141 km2 (25,137,622 sq mi), the Aquamic Ocean consists of an estimate 7.08% of Gentu's surface water and its volume is estimated to be around 213,678,000 km3 (51,264,000 cu mi). The Aquamic's average depth is 3,282 m (10,768 ft) although the deepest point is 6,291 m (20,640 ft) in the Mëisy Trench. To the south, the Aquamic is bordered by the Southern Ocean as well as Aralona; in the west is Naphtora (X countries), the Ingentric Ocean through the Zestoric Sea, Horapon, and the Hesterath lowlands; in the north is bordered by Eudocia; and to the west is northern Flonesia including the nations of X.
Marginal seas, gulfs, bays and straits of the Aquamic Ocean includes the Horapon Sea, the Nanhai Sea, the White Sea, the Gulf of Urgan, the Gulf of Tevrick, X...
In the tropical parts of the Aquamic, the ocean hosts a large concentration of phytoplankton blooms in the summer and early autumn seasons due to southerly currents in the North Nullaric Ocean. These currents leads to a strong coastal and open ocean upwelling, which introduces nutrients into the upper zones where sufficient light is available for photosynthesis and phytoplankton production. These phytoplankton blooms support the marine ecosystem, as the base of the marine food web, and eventually the larger fish species. The Aquamic Ocean accounts for the X-largest share of the most economically valuable tuna catch. Its fish are of great and growing importance to the bordering countries for domestic consumption and export. Fishing fleets from Qiuha, X, and X also exploit the Aquamic Ocean, mainly for shrimp and tuna.
Research indicates that increasing ocean temperatures are taking a toll on the marine ecosystem. A study on the phytoplankton changes in the Aquamic Ocean indicates a decline of up to 35% in the marine plankton in the ocean, during the past six decades. The tuna catch rates have also declined 50–95% during the past half-century, mostly due to increased industrial fisheries, with the ocean warming adding further stress to the fish species.
Approximately 80% of the Aquamic Ocean is open ocean and includes six large marine ecosystems: the Horapon Current, East Naphtoran Coastal Current, Gulf of Tevrick, White Sea, South Gaben Shelf, and the Nanhai-Urgan System. Coral reefs, sea grass beds, and mangrove forests (which cover X km2 in the Aquamic region) are the most productive ecosystems of the Aquamic Ocean. Coastal areas produces 20 tons km3 of fish. These areas, however, are also being urbanised with populations often exceeding several thousand people per square kilometre and fishing techniques become more effective and often destructive beyond sustainable levels while the increase in sea surface temperature spreads coral bleaching.