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Four New Algal Species Discovered in Hawai'i's Mes...

NOAA-funded scientists at the University of Hawai'i have discovered and described four new algal species in Hawai'i's mesophotic coral ecosystems. The new species are commonly known as green sea lettuces ...
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Coastal Development Impacts Puerto Rico's Mesophot...

NCCOS-supported research recently published in Coral Reefs suggests coastal development negatively impacts mesophotic coral ecosystems, which were previously considered less likely to be affected by anthropogenic activities due to their ...
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New Coral Area Discovered in 2014 in Gulf of Mexic...

Preliminary results from the fourth and final Coral Ecosystem Connectivity expedition (August 22 – September 4, 2015) to Pulley Ridge (off the southwest coast of Florida) show the new coral ...
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NOAA Embarks on Final Expedition to Investigate Co...

Last week, a NOAA-funded investigation of the relatively healthy deep reefs of Pulley Ridge (off the southwest coast of Florida) began its fourth and final expedition. The industrious Red Grouper, ...
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New Recruits Comprise most of Coral Area Found in ...

A completed analysis from the 2014 expedition to Pulley Ridge based on remotely operated vehicle (ROV) observations revealed significant areas of new coral growth. The findings were compiled from a ...
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Mesophotic Habitats Are a Refuge for Large, Overfi...

NCCOS-supported research found that commercially important fish, such as snappers and groupers, off southwest Puerto Rico are more abundant at mesophotic depths (60 -80 meters) than shallow depths (30 meters ...
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Pulley Ridge Corals Show Potential Signs of Recove...

An NCCOS-funded study has produced a detailed characterization of the deep (60–80 meters), mesophotic reefs and fish populations of Pulley Ridge, located off the southwest coast of Florida. While the ...
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NCCOS Sets Context for the Second International Me...

Mesophotic coral reefs found at depths of 30–150 meters may not be as well understood as their shallower counterparts, but NCCOS is working hard to change that. Much progress has ...
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'Coral Ecosystem Connectivity 2014' Expedition Dis...

NOAA-sponsored scientists discovered a new coral area off the southwest coast of Florida near Pulley Ridge. The area is extensive and has the densest cover of plate corals (Agaricia spp.) ...
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NOAA Expedition Embarks to Investigate Coral Ecosy...

This leg of the expedition will use a new remotely operated vehicle, the SubAtlantic Mohawk 18. Credit: University of North Carolina Wilmington. A NOAA-funded investigation of the relatively healthy, deep, ...
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Mesophotic coral ecosystems examined: Pulley Ridge, Gulf of Mexico, USA

MCEs are found worldwide in tropical and subtropical waters. The existence of corals at mesophotic depths has been known since at least 1889, when Darwin reported the discovery of corals at depths of 128 m (Darwin 1889). However, it was not ...
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Mesophotic coral ecosystems in the Hawaiian Archipelago

Efforts to map coral reef ecosystems in the Hawaiian Archipelago using optical imagery have revealed the presence of numerous scleractinian, zoothanthellate coral reefs at depths of 30–130+ m, most of which were previously undiscovered. Such coral reefs and their associated ...
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Mesophotic Coral Ecosystems Research Strategy: International Workshop to Prioritize Research and Management Needs for Mesophotic Coral Ecosystems, Jupiter, Florida, 12-15 July 2008

On July 12-15, 2008, researchers and resource managers met in Jupiter, Florida to discuss and review the state of knowledge regarding mesophotic coral ecosystems, develop a working definition for these ecosystems, identify critical resource management information needs, and develop a ...
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Mesophotic coral ecosystems under anthropogenic stress: a case study at Ponce, Puerto Rico

Mesophotic coral ecosystems (MCEs) were compared between La Parguera and Ponce, off the south coast of Puerto Rico. In contrast to La Parguera, Ponce has a narrow insular shelf and hosts several river outlets, a commercial port, a regional sewage ...
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Microsatellites for next-generation ecologists: a post-sequencing bioinformatics pipeline

Microsatellites are the markers of choice for a variety of population genetic studies. The recent advent of next-generation pyrosequencing has drastically accelerated microsatellite locus discovery by providing a greater amount of DNA sequencing reads at lower costs compared to other ...
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Mississippi waters reaching South Florida reefs under no flood conditions: synthesis of observing and modeling system findings

In August 2014, in situ measurements revealed an intense salinity drop impacting South Florida coral reefs, between Pulley Ridge (Southwest Florida Shelf) and the Florida Keys. The low salinity waters had a surface signal of 32 (down from 35.2) and ...
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Modeling vertical coral connectivity and mesophotic refugia

Whether mesophotic reefs will behave as refugia for corals threatened by global climate change and coastal development depends on vertical exchange of larvae between diverse habitats. Here we use a biophysical model of larval dispersal to estimate vertical connectivity of ...
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Montastraea cavernosa corallite structure demonstrates distinct morphotypes across shallow and mesophotic depth zones in the Gulf of Mexico

This study assessed morphological variation of the depth-generalist coral Montastraea cavernosa across shallow and mesophotic coral ecosystems in the Gulf of Mexico (GOM) using thirteen corallite metrics. While corallite structure differed significantly across sites, we observed that mean corallite diameters ...
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New genus and new species of Cumaceans (Crustacea: Peracarida: Cumacea) from the mesophotic coral ecosystem of SW Puerto Rico, Caribbean Sea

The cumacean fauna of the Caribbean mesophotic reefs is remarkably rich but understudied. Herein, we present the description of 22 new species of the family Nannastacidae, including one from shallow reefs, 20 of them belonging to Cumella (Cumella) and two ...
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New Poecilosclerida from mesophotic coral reefs and the deep-sea escarpment in the Pulley Ridge region, eastern Gulf of Mexico: Discorhabdella ruetzleri n. sp. (Crambeidae) and Hymedesmia (Hymedesmia) vaceleti n. sp. (Hymedesmiidae)

Pulley Ridge, a limestone ridge that extends nearly 300 km along the southwestern Florida shelf in the eastern Gulf of Mexico, supports a mesophotic coral ecosystem (59 to 94 m deep), surrounded by deeper waters. An ongoing evaluation of Porifera ...
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