نتایج جستجو برای: tev of coral reef

تعداد نتایج: 21169374  

2010
Eric J. Hochberg

Knowledge of coral reef GPP is the foundation for understanding the function of reef systems. GPP sets the maximum energy available to a reef community through autotrophic pathways and ultimately limit the biomass and secondary production of reef consumers [1-3]. Calcification, or the production of carbonate, is directly related to the value of GPP [4]. GPP describes the basic energy production...

2013
Mae M. Noble Gregoor van Laake Michael L. Berumen Christopher J. Fulton

Structural change in both the habitat and reef-associated fish assemblages within spatially managed coral reefs can provide key insights into the benefits and limitations of Marine Protected Areas (MPAs). While MPA zoning effects on particular target species are well reported, we are yet to fully resolve the various affects of spatial management on the structure of coral reef communities over d...

2014
Emily C. Shaw Stuart R. Phinn Bronte Tilbrook Andy Steven

Coral reef calcification is predicted to decline as a result of ocean acidification and other anthropogenic stressors. The majority of studies predicting declines based on in situ relationships between environmental parameters and net community calcification rate have been location-specific, preventing accurate predictions for coral reefs globally. In this study, net community calcification and...

2016
Kyle M. Morgan Chris T. Perry Scott G. Smithers Jamie A. Johnson Pauline Gulliver

Nearshore coral communities within turbid settings are typically perceived to have limited reef-building capacity. However, several recent studies have reported reef growth over millennial time scales within such environments and have hypothesized that depth-variable community assemblages may act as equally important controls on reef growth as they do in clear-water settings. Here, we explicitl...

2015
Ricardo Beldade Suzanne C. Mills Joachim Claudet Isabelle M. Côté

Coral reefs are in decline across the globe as a result of overexploitation, pollution, disease and, more recently, climate change. The impacts of changes in coral cover on associated fish communities can be difficult to predict because of the uneven dependence of reef fish species on corals for food, shelter or the three-dimensional structure they provide. We compared live coral cover, reef fi...

2008
Bradley D. Eyre Ronnie N. Glud Nicole Patten

A mass coral spawning event on the Heron Island reef flat in 2005 provided a unique opportunity to examine the response of a coral reef ecosystem to a large episodic nutrient addition. A post-major spawning phytoplankton bloom resulted in only a small drawdown of dissolved inorganic phosphorus (DIP minimum 5 0.37 mmol L21), compared with almost complete removal of dissolved inorganic nitrogen (...

Journal: :The Journal of animal ecology 2015
Steven P Newman Erik H Meesters Charlie S Dryden Stacey M Williams Cristina Sanchez Peter J Mumby Nicholas V C Polunin

There has been ongoing flattening of Caribbean coral reefs with the loss of habitat having severe implications for these systems. Complexity and its structural components are important to fish species richness and community composition, but little is known about its role for other taxa or species-specific responses. This study reveals the importance of reef habitat complexity and structural com...

2013
Phillip Dustan Orla Doherty Shinta Pardede

Ecological habitats with greater structural complexity contain more species due to increased niche diversity. This is especially apparent on coral reefs where individual coral colonies aggregate to give a reef its morphology, species zonation, and three dimensionality. Structural complexity is classically measured with a reef rugosity index, which is the ratio of a straight line transect to the...

Journal: :Revista de biologia tropical 2010
Ruy K P Kikuchi Zelinda M A N Leão Marília D M Oliveira

Coral reefs along the Eastern Brazilian coast extend for a distance of 800 km from 12 degrees to 18 degrees S. They are the largest and the richest reefs of Brazil coasts, and represent the Southernmost coral reefs of the Southwestern Atlantic Ocean. Few reef surveys were performed in the 90's in reef areas of Bahia State, particularly in the Abrolhos reef complex, in the Southernmost side of t...

2016
José de Jesús A. Tortolero-Langarica Amílcar L. Cupul-Magaña Juan. P. Carricart-Ganivet Anderson B. Mayfield Alma P. Rodríguez-Troncoso

Citation: Tortolero-Langarica JJA, Cupul-Magaña AL, Carricart-Ganivet JP, Mayfield AB and Rodríguez-Troncoso AP (2016) Differences in Growth and Calcification Rates in the Reef-Building Coral Porites lobata: The Implications of Morphotype and Gender on Coral Growth. Front. Mar. Sci. 3:179. doi: 10.3389/fmars.2016.00179 Differences in Growth and Calcification Rates in the Reef-Building Coral Por...

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