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ScienceDaily: Coral Reef News

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Coral reef information. Read current news articles on coral reefs in danger due to coral bleaching. See photos of coral reef fish and sponges. Learn about coral reef conservation.
Updated: 2 years 13 weeks ago

Fish species unique to Hawaii dominate deep coral reefs in Northwestern Hawaiian Islands

Thu, 03/13/2014 - 14:42

Deep coral reefs in Papahanaumokakea Marine National Monument may contain the highest percentage of fish species found nowhere else on Earth, according to a study. In waters 100-300 feet deep, nearly 50 percent of fish observed over a two-year period were unique to Hawaii -- higher than any other marine ecosystem. The study also found that on some deeper reefs, more than 90 percent were endemic.

Categories: Coral Feeds

Coral fish biodiversity loss: Humankind could be responsible

Fri, 02/28/2014 - 08:07

Literal biodiversity reservoirs, coral reefs and associated ecosystems are in grave danger from natural and human-made disturbances. The latest World Resources Institute assessment is alarming with 75% of coral reefs reported as endangered worldwide, a figure that may reach 100% by 2050. The numbers are concerning, particularly as coral reefs provide sustenance and economic benefits for many developing countries and fish biodiversity on coral reefs partly determines the biomass available for human consumption.

Categories: Coral Feeds

Importance of nutrients for coral reefs highlighted by scientists

Thu, 02/27/2014 - 09:20

Despite the comparably small footprint that they take on the ocean floor, tropical coral reefs are home to a substantial part of all marine life forms. Coral reefs also provide numerous benefits for human populations, providing food for millions and protecting coastal areas from erosion. Moreover, they are a treasure chest of potential pharmaceuticals and coral reef tourism provides recreation and income for many. Unfortunately, coral reefs are declining at an alarming rate. To promote management activities that can help coral reef survival, an international group of world renowned scientists have addressed the present knowledge about the challenges that coral reefs are facing now and in the future in a new article.

Categories: Coral Feeds

Malagasy fishers support fishing regulations despite economic challenges

Wed, 02/19/2014 - 12:47

The fishing villages of Madagascar -- a country with little history of natural resource regulation -- are generally supportive of fishing regulations, an encouraging finding that bodes well for sustainable strategies needed to reduce poverty in the island nation. Specifically, Malagasy fishers perceive restrictions on certain kinds of fishing gear as being beneficial for their livelihoods, according to the results of a survey conducted with fishers in 24 villages across the island. Conversely, fishers are less supportive of protected areas and restrictions on species; the results highlight both strengths as well as weaknesses to be addressed in future fisheries management plans.

Categories: Coral Feeds

Fish living near the equator will not thrive in the warmer oceans of the future

Tue, 02/11/2014 - 09:43

According to an international team of researchers, the rapid pace of climate change is threatening the future presence of fish near the equator.

Categories: Coral Feeds

High pollutant levels in Guanica Bay 'represent serious toxic threat' to corals

Mon, 02/10/2014 - 14:19

Pollutants measured in the sediments of Guanica Bay, Puerto Rico, in a new NOAA study were among the highest concentrations of PCBs, chlordane, chromium and nickel ever measured in the history of NOAA's National Status and Trends monitoring program.

Categories: Coral Feeds

Fiery-red coral species discovered in the Peruvian Pacific

Mon, 02/03/2014 - 13:36

A new coral species, Psammogorgia hookeri, has been collected by scuba divers from rocky ledges at depths to 25 meters in Peru's Paracas National Reserve.

Categories: Coral Feeds

Living cold-water coral reef discovered off Greenland

Tue, 01/28/2014 - 09:43

By sheer coincidence, Canadian researchers have discovered a reef of living cold-water corals in southern Greenland. The first-ever Greenlandic reef is located in southwest Greenland and was formed by cold-water corals with hard limestone skeletons. There are several species of coral in Greenland, but this is the first time that an actual reef has been found.

Categories: Coral Feeds

World's first simultaneous genetic sequencing of host coral, symbiont algae

Thu, 01/23/2014 - 07:55

Coral health and survival largely depend on the interaction between the host coral, a photosynthetic symbiont algae, and an associated community of micro-organisms. Hence, constructing a genetic dataset of the entire coral community, or so-called the coral holobiont, is essential for understanding their molecular interactions. Researchers have successfully sequenced the genetic information of the Porites australiensis coral and its symbionts.

Categories: Coral Feeds

War on lionfish shows first promise of success

Wed, 01/22/2014 - 13:42

It may take a legion of scuba divers armed with nets and spears, but a new study confirms for the first time that controlling lionfish populations in the western Atlantic Ocean can pave the way for a recovery of native fish. Scientists say there's finally a way to fight back.

Categories: Coral Feeds

Coral reefs in Palau surprisingly resistant to naturally acidified waters

Wed, 01/15/2014 - 11:35

Ocean researchers working on the coral reefs of Palau in 2011 and 2012 made two unexpected discoveries that could provide insight into corals' resistance and resilience to ocean acidification, and aid in the creation of a plan to protect them.

Categories: Coral Feeds

Researchers unveil rich world of fish biofluorescence

Thu, 01/09/2014 - 00:42

Scientists have released the first report of widespread biofluorescence in fishes, identifying more than 180 species that glow in a wide range of colors and patterns. The research shows that biofluorescence -- a phenomenon by which organisms absorb light, transform it, and eject it as a different color -- is common and variable among marine fish species, indicating its potential use in communication and mating.

Categories: Coral Feeds

Tracking the deep sea paths of tiger sharks: Understanding the habitat-use and migration patterns of large sharks

Thu, 01/09/2014 - 00:39

Shark research scientists have undertaken a four year study tracking the migratory patterns of tiger sharks across the Southwest Pacific.

Categories: Coral Feeds

Jumping snails left grounded in future oceans

Tue, 01/07/2014 - 09:33

Sea snails that leap to escape their predators may lose their extraordinary jumping ability because of rising carbon dioxide emissions, scientists have discovered. Researchers observed that the conch snail, which uses a strong foot to leap away from approaching predators, either stops jumping, or takes longer to jump, when exposed to carbon dioxide levels projected for the end of this century.

Categories: Coral Feeds

New species of marine algae identified

Tue, 12/31/2013 - 09:43

The species that historically was quoted as the most abundant of coral algae that forms rodoliths at the Gulf of California in Mexico, is in reality a compound of five different species. This finding was made by a marine biologist, resulting in a change of paradigm in the study of the species known as Lithophyllum margaritae.

Categories: Coral Feeds

Saving Fiji's coral reefs linked to forest conservation upstream

Tue, 12/17/2013 - 15:53

The health of coral reefs offshore depend on the protection of forests near the sea, according to a new study that outlines the importance of terrestrial protected areas to coastal biodiversity.

Categories: Coral Feeds

Research shows coral reefs worth saving

Tue, 12/17/2013 - 15:52

Scientists study a reef off Little Cayman Island for 14 years and find damaged reefs can recover, if left alone.

Categories: Coral Feeds

Linking social science, ecology to solve the world's environmental problems

Mon, 12/16/2013 - 09:55

Researchers are engaging social science to help solve some of the world's biggest environmental problems.

Categories: Coral Feeds

Species diversity in coral reefs: Very similar looking coral species differ in how they survive in harsh environments

Fri, 12/13/2013 - 13:55

Some corals have been found to have the ability to survive in harsh environments, according to new research. The researchers report previously unrecognized species diversity that had been was hiding some corals' ability to respond to climate change.

Categories: Coral Feeds

Coral reef gardens found thriving in Gulf of Maine

Wed, 12/11/2013 - 07:04

New research has found a type of coral reef called Octocorals, previously thought to have diminished off the east coast of the U.S. in the Gulf of Maine, has been recently discovered surviving in dense coral garden communities in more than one location.

Categories: Coral Feeds

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