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Watersheds and Coral Reefs: Conservation Science, Policy, and Implementation
TLDR
Three case histories in Micronesia provide insight into how social sciences and biophysical data can be combined to manage human behaviors responsible for coral reef destruction.
Palau’s coral reefs show differential habitat recovery following the 1998-bleaching event
TLDR
Rapid recovery was possible because Palau’s coral reefs were buffered by remnant survival and recruitment from the less impacted habitats, suggesting that recovery in bays was primarily a consequence of remnant regrowth.
Coral macrobioerosion is accelerated by ocean acidification and nutrients
Author Posting. © The Author(s), 2014]. This is the author's version of the work. It is posted here by permission of Geological Society of America for personal use, not for redistribution. The
Diverse coral communities in naturally acidified waters of a Western Pacific reef
Anthropogenic carbon dioxide emissions are acidifying the oceans, reducing the concentration of carbonate ions ([CO32−]) that calcifying organisms need to build and cement coral reefs. To date,
Climate-change refugia in the sheltered bays of Palau: analogs of future reefs
TLDR
The coral-community composition, constant exposure to high temperatures, and high vertical attenuation of light caused by naturally high suspended particulate matter buffered the corals in bays from the 2010 regional thermal-stress event, and nearshore reefs should be given high conservation status.
Changes in coral reef communities across a natural gradient in seawater pH
TLDR
A comprehensive statistical analysis of benthic communities across Palau’s natural acidification gradient revealed a shift in coral community composition but no impact of acidification on coral richness, coralline algae abundance, macroalgae cover, coral calcification, or skeletal density, and increased coral bioerosion increased 11-fold as pH decreased.
River discharge reduces reef coral diversity in Palau.
TLDR
There was a negative relationship between coral cover and mean suspended solids concentration and negative relationships were also found between terrigenous sedimentation rates and the richness of adult and juvenile corals.
Sedimentation in mangroves and coral reefs in a wet tropical island, Pohnpei, Micronesia
A six-month-long study was conducted of the fate of turbid river plumes from the Enipein watershed in Pohnpei, Federated States of Micronesia. Pohnpei is one of the wettest places on earth, with a
Substratum preferences in planula larvae of two species of scleractinian corals, Goniastrea retiformis and Stylaraea punctata
TLDR
Results suggest that the larvae of both species are capable of habitat selection, and that the preferred substrata among those tested bears a relationship to the habitats in which adult colonies were found.
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