نتایج جستجو برای: coral reefs

تعداد نتایج: 17805  

Journal: :Marine pollution bulletin 2013
Mebrahtu Ateweberhan David A Feary Shashank Keshavmurthy Allen Chen Michael H Schleyer Charles R C Sheppard

Most reviews concerning the impact of climate change on coral reefs discuss independent effects of warming or ocean acidification. However, the interactions between these, and between these and direct local stressors are less well addressed. This review underlines that coral bleaching, acidification, and diseases are expected to interact synergistically, and will negatively influence survival, ...

2010
Clare Fieseler

Coral reefs have emerged as one of the ecosystems most vulnerable to climate variation and change. Under the current trends, disturbance events are likely to increase in rate and severity. It is critically important to create management strategies that enhance the ability of coral reefs to absorb shocks, resist phase-shifts, and regenerate after such perturbations. This project assesses the cap...

2015
Chris T. Perry Gary N. Murphy Nicholas A. J. Graham Shaun K. Wilson Fraser A. Januchowski-Hartley Holly K. East

Climate-induced disturbances are contributing to rapid, global-scale changes in coral reef ecology. As a consequence, reef carbonate budgets are declining, threatening reef growth potential and thus capacity to track rising sea-levels. Whether disturbed reefs can recover their growth potential and how rapidly, are thus critical research questions. Here we address these questions by measuring th...

Journal: :Proceedings. Biological sciences 2008
Danielle L Dixson Geoffrey P Jones Philip L Munday Serge Planes Morgan S Pratchett Maya Srinivasan Craig Syms Simon R Thorrold

Recent studies have shown that some coral reef fish larvae return to natal reefs, while others disperse to distant reefs. However, the sensory mechanisms used to find settlement sites are poorly understood. One hypothesis is that larvae use olfactory cues to navigate home or find other suitable reef habitats. Here we show a strong association between the clownfish Amphiprion percula and coral r...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 2009
Laurie J Raymundo Andrew R Halford Aileen P Maypa Alexander M Kerr

Coral reefs, the most diverse of marine ecosystems, currently experience unprecedented levels of degradation. Diseases are now recognized as a major cause of mortality in reef-forming corals and are complicit in phase shifts of reef ecosystems to algal-dominated states worldwide. Even so, factors contributing to disease occurrence, spread, and impact remain poorly understood. Ecosystem resilien...

2018
Janina Seemann Alexandra Yingst Rick D. Stuart-Smith Graham J. Edgar Andrew H. Altieri

Fish communities associated with coral reefs worldwide are threatened by habitat degradation and overexploitation. We assessed coral reefs, mangrove fringes, and seagrass meadows on the Caribbean coast of Panama to explore the influences of their proximity to one another, habitat cover, and environmental characteristics in sustaining biomass, species richness and trophic structure of fish commu...

2017
Caroline S. Rogers

Corals do not typically thrive in mangrove environments. However, corals are growing on and near the prop roots of red mangrove trees in Hurricane Hole, an area within the Virgin Islands Coral Reef National Monument under the protection of the US National Park Service in St. John, US Virgin Islands. This review summarizes current knowledge of the remarkable biodiversity of this area. Over 30 sc...

2015
Andreas J. Andersson

The long-term success of coral reefs depends on a positive balance of calcium carbonate production exceeding dissolution, erosion, and material export. As a result of ocean acidification, coral reefs could transition from net accretion to net erosion owing to decreasing rates of calcification and increasing rates of chemical dissolution and bioerosion. Here, I present a fundamental paradigm tha...

2011
Greta S. Aeby Gareth J. Williams Erik C. Franklin Jean Kenyon Evelyn F. Cox Steve Coles Thierry M. Work

In Hawaii, coral reefs occur across a gradient of biological (host abundance), climatic (sea surface temperature anomalies) and anthropogenic conditions from the human-impacted reefs of the main Hawaiian Islands (MHI) to the pristine reefs of the northwestern Hawaiian Islands (NWHI). Coral disease surveys were conducted at 142 sites from across the Archipelago and disease patterns examined. Twe...

2009

Over the past three decades, coral reefs worldwide have experienced significant losses in living coral cover and changes in the structure and function of these communities. Infectious diseases have been recognized as a prominent cause of mortality in scleractinian corals in the western Atlantic since the 1980’s, but until recently there were few reports of coral disease from the Indo-Pacific re...

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