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Genetic Patterns of Deep-Sea Coral Provide Insights into Evolution of Marine Life

By Guest PostNovember 17, 2012Environment, Natureancient, barnacles, biodiversity, biogeography, bivalves, bryozoans, bubblegum coral, canyons, circulation model, climate change, continental slopes, coral, cryptic species, csiro, deep sea coral, early pliocene, eastern north pacific, Epoch, fjords, gastropods, gene flow, genetic diversity pattern, geological features, global warming, historical pattern, hypothesis, juan sanchez, late-miocene, marine life, marine organism, migration, migration pattern, moss animals, niwa, north atlantic, ocean acidification, oceanic circulation, organism, paragorga arborea, pattern, period, ph, red algae, santiago herrera, sea stars, seagrass, seamounts, South Pacific, southern indian, species, spiny dogfishes, timothy shank, trans arctic interchange, western north pacific, whoi

Patterns Also Shed Light on How Environmental Disturbances Affect Aquatic Organisms

The ability of deep-sea corals to harbor a broad array of marine life, including commercially important fish species, make these habitat-forming organisms of immediate interest to conservationists, managers, and scientists. Understanding and protecting corals requires knowledge of the historical processes that have shaped their biodiversity and biogeography.

While little is known about these processes, new research described in the journal Molecular Ecology helps elucidate the historical patterns of deep-sea coral migration and gene flow, coincident with oceanic circulation patterns and events. The investigators propose a scenario that could explain the observed evolutionary and present-day patterns in certain coral species. The findings can help scientists determine how climate change and other global processes have affected ocean habitats in the past and how they might do so in the future. (more…)

Gulf of Mexico Oil Spill’s Effects on Deep-Water Corals

By Guest PostMarch 27, 2012Environmentalvin, charles fisher, christopher german, corals, deep sea, deep water coral, deepwater horizon, ecosystem, erik cordes, gas chromatography, gulf of mexico, haverford college, helen white, jason, macondo spill, national science foundation, ocean, oil, oil spill, pen yuan hsing, penn state university, Pennsylvania, petroleum analysis, petroleum hydrocarbon, psu, rapid grant, rodey batiza, rov, submarine, temple university, timothy shank, two dimensional, U.S. Geological Survey, whoi

*Damaged deep-sea corals discovered months after Deepwater Horizon spill*

Scientists are reporting new evidence that the Deepwater Horizon oil spill has affected marine life in the Gulf of Mexico, this time species that live in dark ocean depths–deepwater corals.

The research used a range of underwater vehicles, including the submarine Alvin, to investigate the corals. The findings are published this week in the journal Proceedings of the National Academy of Sciences (PNAS). (more…)

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Genetic Patterns of Deep-Sea Coral Provide Insights into Evolution of Marine Life

Gulf of Mexico Oil Spill’s Effects on Deep-Water Corals