Results 221 to 230 of about 72,889 (292)

Marine ecosystem services and natural capital in China: Opportunities for improved understanding, valuing, and policy. [PDF]

PNAS Nexus
McCook LJ, Cai L, Yeung CW, Chen S, Ouyang Z, Ang P, Bordt M, Cao L, Chen Z, Han B, Huang H, Lei X, Lian J, Li F, Xue G, Zhao P.   +15 more
europepmc   +1 more source

Sewage impacts coral reefs at multiple levels of ecological organization [PDF]

Marine Pollution Bulletin, 2009
Against a backdrop of rising sea temperatures and ocean acidification which pose global threats to coral reefs, excess nutrients and turbidity continue to be significant stressors at regional and local scales. Because interventions usually require local data on pollution impacts, we measured ecological responses to sewage discharges in Surin Marine ...
Pasinee Reopanichkul, Thomas A. Schlacher, Bill Carter, Suchai Worachananant   +3 more
openalex   +4 more sources

How the incentives of participating organizations influence the current scales of coral reef restoration activities

Aquatic conservation
Coral reef restoration activities have increased globally over recent decades in response to the ongoing decline in condition of the worlds' reefs. Current practices of coral reef restoration are now undertaken in most of the tropical regions of the ...
Mark T. Gibbs, K.‐H. Jäckel, Josh Ames, Ian McLeod   +3 more
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Effects of ultraviolet radiation on corals and other coral reef organisms

Global Change Biology, 1996
AbstractThe discovery of the importance of solar ultraviolet radiation (UVR) as a factor affecting the biology of coral reefs dates only to about 1980. Interest has heightened during the past five years owing to the demonstration of loss of stratospheric ozone through human activities. We have only begun to document gross, qualitative effects of UVR on
Paul L. Jokiel, Michael P. Lesser, J. Malcolm Shick   +2 more
openaire   +2 more sources

Calcification and organic production on a Hawaiian coral reef

Marine Chemistry, 2011
Net ecosystem calcification rates (NEC) and net photosynthesis (NP) were determined from CO 2 seawater parameters on the barrier coral reef of Kaneohe Bay, Oahu, Hawaii. Autosamplers were deployed to collect samples on the barrier reef every 2 h for six 48-hour deployments, two each in June 2008, August 2009, and January/February 2010.
Christopher L. Sabine, Kathryn E. F. Shamberger, Kathryn E. F. Shamberger, M. J. Atkinson, Richard A. Feely, David A. Butterfield, E.H. DeCarlo, P. S. Drupp, Fred T. Mackenzie   +8 more
openaire   +2 more sources

Observations on organic aggregates in the vicinity of coral reefs [PDF]

Marine Biology, 1968
The abundance of organic aggregates is reported for a variety of coral-reef sites and surrounding waters. There is no net increase of aggregates forming from dissolved organic matter and streaming off the reefs into the lagoons, though the organic components and the aeration of this water might be conducive to aggregate formation.
openaire   +1 more source

Effects of solar ultraviolet radiation on coral reef organisms

Photochemical & Photobiological Sciences, 2009
Organisms living in shallow-water tropical coral reef environments are exposed to high UVR irradiances due to the low solar zenith angles (the angle of the sun from the vertical), the natural thinness of the ozone layer over tropical latitudes, and the high transparency of the water column.
Anastazia T. Banaszak, Michael P. Lesser
openaire   +3 more sources

Chemical Diversity of Coral Reef Organisms

2002
Coral reefs in the tropical and subtropical waters are habitats of diverse species of organisms, especially sessile invertebrates. These organisms have yielded numerous compounds having diverse chemical structures and biological activities. Some of them have been developed into anticancer agents which are now under clinical trials and some others as ...
Michael C. Roy, Junichi Tanaka, Ikuko I. Ohtani, Tatsuo Higa   +3 more
openaire   +2 more sources

Calcification and organic productivity at the world's southernmost coral reef

Marine Chemistry, 2020
Abstract Estimates of coral reef calcification and organic productivity provide valuable insight to community functionality and the response of an ecosystem to stress events. High-latitude coral reefs are expected to experience rapid changes in calcification rates and become refugia for tropical species following climate change and increasing ...
Ashly McMahon, Isaac R. Santos, Isaac R. Santos, Kay L. Davis, Rogger E. Correa   +4 more
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PROCESSES OF ORGANIC PRODUCTION ON CORAL REEFS

Biological Reviews, 1977
Summary1. The first quantitative studies of production on coral reefs were those of Sargent & Austin who showed that productivity on reefs was considerably higher than in surrounding waters. This high production occurred in spite of nutrient limitation and low productivity of offshore waters.
openaire   +2 more sources