نتایج جستجو برای: coral

تعداد نتایج: 16123  

Journal: :Remote Sensing 2013
Anders Knudby Stacy D. Jupiter Chris M. Roelfsema Mitchell B. Lyons Stuart R. Phinn

In the face of increasing climate-related impacts on coral reefs, the integration of ecosystem resilience into marine conservation planning has become a priority. One strategy, including resilient areas in marine protected area (MPA) networks, relies on information on the spatial distribution of resilience. We assess the ability to model and map six indicators of coral reef resilience—stress-to...

2017
Karen D. Weynberg Patrick W. Laffy Elisha M. Wood-Charlson Dmitrij Turaev Thomas Rattei Nicole S. Webster Madeleine J.H. van Oppen

Stony corals (Scleractinia) are marine invertebrates that form the foundation and framework upon which tropical reefs are built. The coral animal associates with a diverse microbiome comprised of dinoflagellate algae and other protists, bacteria, archaea, fungi and viruses. Using a metagenomics approach, we analysed the DNA and RNA viral assemblages of seven coral species from the central Great...

2015
M. Wall L. Putchim G. M. Schmidt C. Jantzen S. Khokiattiwong C. Richter

Tropical scleractinian corals are particularly vulnerable to global warming as elevated sea surface temperatures (SSTs) disrupt the delicate balance between the coral host and their algal endosymbionts, leading to symbiont expulsion, mass bleaching and mortality. While satellite sensing of SST has proved a reliable predictor of coral bleaching at the regional scale, there are large deviations i...

2010
Nikolaus B. M. Császár Peter J. Ralph Richard Frankham Ray Berkelmans Madeleine J. H. van Oppen

The persistence of tropical coral reefs is threatened by rapidly increasing climate warming, causing a functional breakdown of the obligate symbiosis between corals and their algal photosymbionts (Symbiodinium) through a process known as coral bleaching. Yet the potential of the coral-algal symbiosis to genetically adapt in an evolutionary sense to warming oceans is unknown. Using a quantitativ...

2009
Erin Bromage Lawrence Carpenter Mark Patterson

The induction and regulation of heat shock proteins (hsps) is a significant defense mechanism that can preserve metabolic function and foster recovery from short-term stress events. Present coral sampling methodologies that involve hsp analysis often require the harvesting of large samples of live coral colonies that may already be stressed or in poor health. In the present study, 3 novel proto...

2002
E. PILLER

Coral-rich strata of the Leitha Limestone of Badenian age (Middle Miocene) at the type-locality in Grosshoeflein (Burgenland province, Austria) were re-interpreted from an actualistic viewpoint in comparison with Recent Bahamian and Arabian Gulf coral communities. The investigated outcrop (quarry "Fenk'j is interpreted as a sequence of framebuilding coral carpets and non-framebuilding biostroma...

2017
Curt D. Storlazzi Maarten van Ormondt Yi-Leng Chen Edwin P. L. Elias

Citation: Storlazzi CD, van Ormondt M, Chen Y-L and Elias EPL (2017) Modeling Fine-Scale Coral Larval Dispersal and Interisland Connectivity to Help Designate Mutually-Supporting Coral Reef Marine Protected Areas: Insights from Maui Nui, Hawaii. Front. Mar. Sci. 4:381. doi: 10.3389/fmars.2017.00381 Modeling Fine-Scale Coral Larval Dispersal and Interisland Connectivity to Help Designate Mutuall...

2004
W. Bensaïd V. Viateau K. Oudina E. Potier C. Blanchat G. Guillemin H. Petite

Introduction Large bone defects are a challenge to the orthopaedic surgeon. In the present study, we explored the possibility of preparing tissue engineered bone in an autologous manner avoiding the use of either allogenic or xenogenic products in the mesenchymal stem cells (MSCs) cultures. For this purpose, we amplified MSCs from sheep in autologous serum (AS) and prepared constructs by loadin...

Journal: :Applied and environmental microbiology 2010
F Joseph Pollock Pamela J Morris Bette L Willis David G Bourne

A real-time quantitative PCR-based detection assay targeting the dnaJ gene (encoding heat shock protein 40) of the coral pathogen Vibrio coralliilyticus was developed. The assay is sensitive, detecting as little as 1 CFU per ml in seawater and 10(4) CFU per cm(2) of coral tissue. Moreover, inhibition by DNA and cells derived from bacteria other than V. coralliilyticus was minimal. This assay re...

2011
Andrew S. Hoey Morgan S. Pratchett Christopher Cvitanovic

Coral reefs are under increasing pressure from anthropogenic and climate-induced stressors. The ability of reefs to reassemble and regenerate after disturbances (i.e., resilience) is largely dependent on the capacity of herbivores to prevent macroalgal expansion, and the replenishment of coral populations through larval recruitment. Currently there is a paucity of this information for higher la...

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