نتایج جستجو برای: acropora species

تعداد نتایج: 548632  

2012
Chao-Yang Kuo Yeong Shyan Yuen Pei-Jie Meng Ping-Ho Ho Jih-Terng Wang Pi-Jen Liu Yang-Chi Chang Chang-Feng Dai Tung-Yung Fan Hsing-Juh Lin Andrew Hamilton Baird Chaolun Allen Chen

Recurrent disturbances can have a critical effect on the structure and function of coral reef communities. In this study, long-term changes were examined in the hard coral community at Wanlitung, in southern Taiwan, between 1985 and 2010. In this 26 year interval, the reef has experienced repeated disturbances that include six typhoons and two coral-bleaching events. The frequency of disturbanc...

2014
Hiroshi Yamashita Go Suzuki Sayaka Kai Takeshi Hayashibara Kazuhiko Koike

Coral reef ecosystems are based on coral-zooxanthellae symbiosis. During the initiation of symbiosis, majority of corals acquire their own zooxanthellae (specifically from the dinoflagellate genus Symbiodinium) from surrounding environments. The mechanisms underlying the initial establishment of symbiosis have attracted much interest, and numerous field and laboratory experiments have been cond...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 2008
K R N Anthony D I Kline G Diaz-Pulido S Dove O Hoegh-Guldberg

Ocean acidification represents a key threat to coral reefs by reducing the calcification rate of framework builders. In addition, acidification is likely to affect the relationship between corals and their symbiotic dinoflagellates and the productivity of this association. However, little is known about how acidification impacts on the physiology of reef builders and how acidification interacts...

ژورنال: :فصلنامه علوم و مهندسی محیط زیست 2015
محمدرضا رحمانی مهناز اردلان

جزایر مرجانی از مهمترین منابع تولید انرژی در اکوسیستم های دریایی هستند که میزان تولید انرژی در این اکوسیستم ها، معادل جنگل­های حاره ای است. مرجان ها همچنین تأمین کننده سرپناهی مناسب برای دیگر گونه های جانوران آبزی بوده و به عنوان مهمترین مراکز تنوع زیستی در دریا محسوب می گردند. روند نگران‎کننده کاهش تنوع زیستی در مرجان‎ های سازنده آب سنگ ها نیز مشاهده شده است. با توجه به این که تنوع موجودات واب...

Journal: :Indian Journal of Geo-Marine Sciences 2021

The study reports massive and dense Blue coral Heliopora coerulea (Pallas, 1766) population in Chetlat atoll, one of the northernmost atolls Lakshadweep Archipelago. Globally, there are only a few instances occurrence such blue populations, mostly from Japan. Underwater survey shows that about 60 % entire reef area is occupied by coral. In addition, this atoll was observed to have lesser cover ...

2007
Arthur C. R. Gleason Diego Lirman Dana Williams Nuno R. Gracias Brooke E. Gintert Hossein Madjidi R. Pamela Reid G. Chris Boynton Shahriar Negahdaripour Margaret Miller Philip Kramer

During the summer of 2005, an unprecedented sequence of four hurricanes impacted the reefs of the Florida Keys. Damage patterns to coral reefs are commonly influenced by the strength, path, and duration of each storm event (Harmelin-Vivien 1994; Lirman & Fong 1997; Lirman 2000). In the case of sequential storms, damage patterns can be also determined by storm frequency and prior disturbance his...

2013
Saskia Hinrichs Nicole L. Patten Ming Feng Daniel Strickland Anya M. Waite

The impact of physico-chemical factors on percent coral cover and coral health was examined on a spatial basis for two dominant Acropora species, A. digitifera and A. spicifera, at Ningaloo Reef (north-western Australia) in the southeast Indian Ocean. Coral health was investigated by measuring metabolic indices (RNA/DNA ratio and protein concentration), energy levels (lipid ratio) and autotroph...

2001
Bernhard Riegl

The environmental processes that prevent reef framework development in areas with a diverse and dense cover of coral were investigated in the southern Arabian Gulf (Dubai, UAE), the southwestern Indian Ocean (South Africa) and the central Caribbean (Cayman Islands, BWI). In Dubai, temperature anomalies predicted to recur every 10-15 yr cause repeated mass mortalities of Acropora spp., the domin...

2014
Paula Ramos-Silva Jaap Kaandorp Frédéric Herbst Laurent Plasseraud Gérard Alcaraz Christine Stern Marion Corneillat Nathalie Guichard Christophe Durlet Gilles Luquet Frédéric Marin

The scleractinian coral Acropora millepora is one of the most studied species from the Great Barrier Reef. This species has been used to understand evolutionary, immune and developmental processes in cnidarians. It has also been subject of several ecological studies in order to elucidate reef responses to environmental changes such as temperature rise and ocean acidification (OA). In these cont...

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