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Projects

Assessing Multi-species Habitat Use and Connectivi...

We are evaluating how highly migratory and protected species, including cetaceans, fishes, pinnipeds, seabirds, and turtles, are using a network of state and federal marine protected areas (MPAs) in the ...
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Causes and Consequences of Hypoxic Events in Low-i...

We are investigating the processes that lead to hypoxia in Southern California’s lagoons, and identifying its ecological impacts. These small estuaries, which have tidal inlets that can close to the ...
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Determining Habitat Requirements and Connectivity ...

We are investigating habitat requirements and connectivity for key reef-associated fishes in the Flower Garden Banks National Marine Sanctuary and surrounding areas. Marine protected areas (MPAs) are designated to conserve ...
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Ecology, Integrity and Status of Caribbean Mesopho...

We investigated Puerto Rico’s mesophotic coral ecosystems to better understand them and their relationship to shallower reefs. They are off the southwestern coast at depths of 50–100 m (164–328 ft) ...
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How Will Changing Temperature and Oxygen Condition...

We are supporting the application of coastal ocean models to determine the vulnerability of important species to changing temperature and oxygen in the California Current. This will enable coastal managers ...
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Investigating Mesophotic Coral Reefs in Hawaii

We investigated Hawaii’s mesophotic coral ecosystems to better understand them and their relationship to shallower reefs. We found reefs off Maui’s southwestern coast at depths of 30–130 meters (98–426 ft) ...
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Mesophotic Coral Ecosystems of American Samoa

We are investigating American Samoa’s mesophotic coral ecosystems (40–100 meters or ~130–330 feet deep) to better understand them and their relationship to shallower reefs. Nearly 80 percent of coral reef ...
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Setting Shared Goals for South Florida’s Marine an...

We facilitated a process to identify the characteristics and key regulating processes of a sustainable South Florida coastal marine ecosystem. Using the best available science from academia, agencies, and non-governmental ...
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Tracking the Extent and Effect of Hypoxia on Comme...

Low oxygen or hypoxic zones have increased in the Pacific Northwest. We are working with Dungeness crab fishermen in Oregon to deploy dissolved oxygen sensors on commercial crab pots to ...
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News

Researchers Identify Sources of Nitrogen in Macroa...

Scientific diver Randall Kosaki (NOAA, PMNM) collects green blades of algae at Manawai (Pearl and Hermes Atoll) at a depth of 295 feet. Credit: Stephen Matadobra, Papahānaumokuākea Marine National Monument ...
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Study Finds Community Structure of Mesophotic Cora...

NCCOS-supported researchers documented that mesophotic coral ecosystems (MCEs) at depths of 50 and 70 m in southwest Puerto Rico experienced significant interannual changes in community composition, demonstrating that caution should ...
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Lessons Learned: A Brief History About Restoring t...

Researcher setting up sponge nursery with sponge cuttings attached to bricks with cable ties. It takes approximately 2–3 months for the sponges to adhere to the bricks. Credit: Butler et ...
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Reef-Building Coral Species Differ in Tolerance to...

NCCOS-supported researchers investigating the effects of hypoxia (low oxygen) on threatened coral species discovered that some species have surprisingly high tolerance to declining ocean oxygen levels. While investigating staghorn coral ...
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Marine Benthic Algae of Puerto Rico Part I Publish...

Credit Smithsonian Contributions to Botany, Number 114. Smithsonian Scholarly Press. A new taxonomic study, “The Marine Benthic Algal Flora of Puerto Rico Part I” published by the Smithsonian Institution is ...
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Climate Change Likely to Worsen Impact of Urban Ru...

The downtown Los Angeles skyline. Credit Wikimedia Commons. An NCCOS-funded study found that nutrient-laden, urban runoff is fueling algal blooms in Southern California's coastal waters that are acidifying the water ...
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Real-time Data Aids Managers in Timing Decisions o...

NCCOS-supported instruments in Los Peñasquitos Lagoon are providing real-time data to Southern California managers and regulators on key physical parameters (dissolved oxygen, salinity, and water level) enabling them to determine ...
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NCCOS Awards $1.7M to Support Habitat Connectivity...

NOAA’s National Centers for Coastal Ocean Science awarded $1.7 million of an anticipated $5.9 million over the next four to five years for three research projects to investigate species’ habitat ...
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Coral Bleaching May be Induced by Hypoxia

NCCOS-supported researchers found low oxygen (hypoxia) led to coral bleaching, mass coral mortality, and changes in the microbial community on a Caribbean coral reef. In 2017, hypoxia was detected on ...
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NOAA Announces FY22 Multi-stressor Federal Funding...

A leather sea star (Dermasterias imbricata) clings to a rock at the Outer Pinnacles. Purple urchins and even a rock scallop can be seen in this colorful display of life ...
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Data & Publications

A comprehensive investigation of mesophotic coral ecosystems in the Hawaiian Archipelago

Although the existence of coral-reef habitats at depths to 165 m in tropical regions has been known for decades, the richness, diversity, and ecological importance of mesophotic coral ecosystems (MCEs) has only recently become widely acknowledged. During an interdisciplinary effort ...
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A new encrusting deep-water coral reef alga, Peyssonnelia incomposita (Peyssonneliaceae, Rhodophyta), from Puerto Rico, Caribbean Sea

A new Peyssonnelia species is described from deep-water habitats in Puerto Rico as well as the U.S. Virgin Islands. Peyssonnelia incomposita is distinctive when living due its background orange coloration with highly contrasting bright yellow highlights. Internally the thallus is ...
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A new species of Atergopedia (Copepoda: Harpacticoida: Novocriniidae) from a Caribbean mesophotic reef

Coordinated research efforts in mesophotic coral reefs are only a decade old, but have already produced exciting findings in ecology, physiology, geomorphology, population genetics, biodiversity, and taxonomy. In this taxonomic contribution, we describe both sexes of a new copepod species ...
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A new species of Longipedia Claus, 1863 (Copepoda: Harpacticoida: Longipediidae) from Caribbean mesophotic reefs with remarks on the phylogenetic affinities of Polyarthra

Mesophotic coral reefs are largely unexplored nearshore habitats. We present illustrations of both sexes of a new copepod species of the family Longipediidae Sars, 1903 collected via scuba-diving with tri-mix rebreathers from mesophotic coral reefs in Puerto Rico as an ...
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Archeolourinia shermani, a new genus and species of Louriniidae (Copepoda: Harpacticoida) from a Caribbean mesophotic zone

Mesophotic coral ecosystems (MCEs) are found on the insular and continental slopes of Caribbean islands and comprise mainly scleractinian corals, sponges and macroalgae. These species provide habitat for a highly diverse and specialized crustacean fauna. A new genus and species ...
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Azooxanthellate? Most Hawaiian black corals contain Symbiodinium

The ecological success of shallow-water reef-building corals (Hexacorallia: Scleractinia) is framed by their intimate endosymbiosis with photosynthetic dinoflagellates in the genus Symbiodinium (zooxanthellae). In contrast, the closely related black corals (Hexacorallia: Anthipatharia) are described as azooxanthellate (lacking Symbiodinium), a trait ...
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Characterization of mesophotic coral/sponge ecosystem habitats in the region of the Tortugas Ecological Reserves from ROV Dives during 2013 and 2014 R/V Walton Smith cruises

This report resulted from our ROV surveys to characterize the mesophotic coral reef ecosystems at Pulley Ridge and Tortugas as part of a research grant funded by the National Oceanic and Atmospheric Administration (NOAA) Center for Sponsored Coastal Ocean Research ...
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Characterization of mesophotic coral/sponge habitats and fish assemblages in the regions of Pulley Ridge and Tortugas from ROV Dives during R/V Walton Smith Cruises of 2012 to 2015

This report summarizes the remotely operated vehicle (ROV) surveys during four cruises from 2012 to 2015 which characterizes the mesophotic coral reef ecosystems at Pulley Ridge and Tortugas. This research is part of a grant funded by the NOAA National ...
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Characterization of the mesophotic benthic habitat and fish assemblages from ROV dives on Pulley Ridge and Tortugas during 2012 and 2013 R/V Walton Smith cruises

Two research cruises were conducted in 2012 and 2013 to the region of Pulley Ridge and Dry Tortugas to study and survey the mesophotic reef communities and fish populations. The University of Miami’s R/V Walton Smith Cruise No. WS1213 was ...
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Characterization of the Mesophotic Benthic Habitat and Fish Assemblages from ROV Dives on Pulley Ridge and Tortugas during 2014 R/V Walton Smith Cruise

Three research cruises were conducted in 2012, 2013 and 2014 to the region of Pulley Ridge and Dry Tortugas to study and survey the mesophotic reef communities and fish populations. Pulley Ridge is the deepest known photosynthetic coral reef in ...
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General Pages

CHRP

Coastal Hypoxia Research Program (CHRP)The Coastal Hypoxia Research Program (CHRP) is a competitive research program focused on advancing the understanding, detection, prediction, control, mitigation, and response to hypoxia events in ...
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Mesophotic Coral Ecosystems

Mesophotic Coral EcosystemsWith the well-documented decline of coral reefs, lesser-understood "mesophotic" or "twilight" reefs (found 30 to 150 meters beneath the ocean surface) may serve as sources of fish and ...
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NOAA Internship Opportunities

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