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Frontiers | Two Hidden mtDNA-Clades of Crown-of-Thorns Starfish in the Pacific Ocean

Recurring outbreaks of crown-of-thorns starfish (COTS) severely damage healthy corals, especially in the Western Pacific Ocean. To obtain a better understanding of population genetics of COTS and historical colonization across the Pacific Ocean, complete mitochondrial genomes were sequenced from 243 individuals collected in 11 reef regions. Our results indicate that Pacific COTS (Acanthaster cf. solaris) comprise two major clades, an East-Central Pacific (ECP) clade and a Pan-Pacific (PP) clade, separation of which was supported by high bootstrap value. The ECP clade consists of COTS from French Polynesia, Fiji, Vanuatu and the Great Barrier Reef (GBR). The Hawaii population is unique within this clade, while California COTS are included in EPC clade. On the other hand, the PP clade comprises multiple lineages that contain COTS from Vietnam, the Philippines, Japan, Papua New Guinea, Micronesia, the Marshall Islands, GBR, Vanuatu, Fiji and French Polynesia. For example, a lineage of the ....

Pacific Ocean , French Polynesia General , French Polynesia , United States , Red Sea , Djibouti General , United Kingdom , Coral Sea , Oceans General , Great Barrier Reef , Hawaiian Islands , Indian Ocean , Papua New Guinea , Marshall Islands , Shell Reefs , Republic Of , Johnston Atoll , Soult Ukpyolsi , South Korea , Kuroshio Current , Society Islands , Papua New Guinean , East Central Pacific Clade , Geoff Jones , East Central Pacific , Reltime Tamura ,

Costa Rica's pristine 'Shark Island' now a massive marine reserve

Three times the size of the country’s mainland, the reserve’s abundance of sharks, whales, turtles, and other marine life has been described as an “underwater Jurassic Park.” ....

Costa Rica , United States , Cocos Island , Provincia De Puntarenas , Isla De Coco , Treasure Island , Costa Rican , Andrea Meza , Enric Sala , Carlos Alvarado Quesada , Pacific Ocean , Carlos Manuel Uribe , Rodrigo Carazo Odio , National Geographic , Costa Rica Cocos Island National Park , Jurassic Park , Cocos Island National Park , Bicentennial Marine Managed Area , Costa Rican President Carlos Alvarado , North America , North Equatorial Countercurrent , Pristine Seas , Cocos Shark , Bicentennial Managed Area , Eastern Tropical Pacific ,

Variations in the geostrophic cir... preview & related info

(2016) Brenes et al. Revista de Biologia Tropical. This study was conducted in the southeast region of the Central American Pacific, an area of great oceanographic importance due to the presence of various upwelling phenomena and the direct influence of the ENSO on its waters. Its main objective . ....

Cocos Island , Provincia De Puntarenas , Costa Rica , United States , Central American Pacific , Tropical Surface , Subtropical Subsurface Water , North Equatorial Countercurrent , Costa Rica Coastal Current , Equatorial Current System , Central America , Eostrophic Circulation , North Equatorial Countercurrent , Water Masses ,

Observations indicate strengthening of tropical Pacific western boundary currents for six decades

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IMAGE: Geostrophic currents retrieved from multi-decadal hydrological observational data based on WOA18 ((a), (b), (d), (e), cm s?1) and the mean horizontal absolute velocity |u| in the upper 200 m simulated.
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Credit: ©Science China Press
Under the background of global warming, the energy budget of the earth is out of balance with more than 90% of additional heat entering the ocean.
The tropical Pacific Ocean has an important influence on the global tropical climate and the climate of China, and the tropical Pacific Western Boundary Currents (WBCs) that flow through it plays an important role in the climate system. Large-scale ocean circulation redistributes ocean heat and mass and is hence one of the basic dynamic processes that shape the earth s Marine environment. The tropical Pacific WBCs system is a key part of the global ocean circulation system. Accurate assessment of the variation of the tropical Pacific WBCs is of much sig ....

Shi Jian , Ocean Atlas , Pacific Wbcs , Pacific Ocean , Science China Earth Sciences , National Natural Science Foundation Of China , Institute Of Oceanology , Chinese Academy Of Sciences , Youth Innovation Promotion Association , Pacific Western Boundary Currents , Science China Earth , Chinese Academy , North Equatorial Current , North Equatorial Countercurrent , Mindanao Current , New Guinea Coastal Undercurrent , World Ocean Atlas , National Natural Science Foundation , Strategic Priority Research Program , China Earth Sciences , ஷி ஜியான் , கடல் அட்லஸ் , பெஸிஃபிக் கடல் , அறிவியல் சீனா பூமி அறிவியல் , தேசிய இயற்கை அறிவியல் அடித்தளம் ஆஃப் சீனா , சீன கலைக்கழகம் ஆஃப் அறிவியல் ,