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Status of Coral Reefs in East Asian Seas Region
Status of Coral Reefs in East Asian Seas Region

... about  coral  reef  conservation.  This  was  in  response  to  the  “Call  to  Action”  by  the  International  Coral  Reef  Initiative  (ICRI)  in  1995  at  its  Dumaguete  meeting,  which  encouraged the 1) promotion of linkages between regional and global research and  monitoring networks, and  ...
Cold-water coral reefs
Cold-water coral reefs

... regions. Scientists have been able to explore a variety of coral ecosystems thriving in deep, dark and cold waters, currently most studied at high latitudes. Some of these cold-water corals construct banks or reefs as complex as their tropical cousins. Through radioactive dating techniques, it is no ...
Mesophotic Coral Ecosystems - UNEP Document Repository Home
Mesophotic Coral Ecosystems - UNEP Document Repository Home

... Although MCEs are widespread and diverse, they remain largely unexplored in most parts of the world, and there is Mesophotic coral ecosystems (MCEs) are characterized by light-dependent corals and associated communities typically found at depths ranging from 30–40 m and extending to over 150 m in tr ...
The impact of urbanisation on coral reef ecosystems
The impact of urbanisation on coral reef ecosystems

... Figure 3.4.4 - Venn diagrams showing the amount of variation explained by purely spatial, purely environmental and spatially structured environmental (overlap) components for a) corals, b) sponges c) sediment bacteria and d) sediment archaea at 3 meters. ...............62 Figure 3.4.5 - Venn diagram ...
Nutrient Enrichment on Coral Reefs
Nutrient Enrichment on Coral Reefs

... likely to affect coral reefs closer to shore, within lagoons or embayments (limited circulation and flushing), and reefs associated with larger land masses (high island and continental reefs), especially near significant human populations. Midocean atolls and offshore barrier reefs, which are expose ...
Coral-Fish Dynamics and Interactions: A Case Study of Grand
Coral-Fish Dynamics and Interactions: A Case Study of Grand

... anatomy  and  physiology  of  marine  animals  and  to  use  a  systematic  taxonomy  to   classify  these  animals  (Blits,  1999).   Following  Captain  Cook’s  circumnavigation  of  the  world,  in  which  he  logged   descriptions  of ...
`2-5-02 Revised PDF Block B request OP9` in a
`2-5-02 Revised PDF Block B request OP9` in a

... phenomena that threaten to undermine the success of management efforts which do not take into account Climate Change and the cumulative impacts of human disturbance. Over the past 30 years, the volume and diversity of information about coral reefs has steadily increased, and efforts are underway to ...
Geological Society, London, Special Publications
Geological Society, London, Special Publications

... Abstract: This study reviews how shallow water carbonates are revealing environmental and climatic changes on all scales through the last 50 million years in SE Asia. Marine biodiversity reaches a global maximum in the region, yet the environmental conditions are at odds with the traditional view of ...
Chapter 43 TROPICAL AND SUB
Chapter 43 TROPICAL AND SUB

... provision of food, materials and income from tourism and fisheries; coastal and island societies are often largely or nearly completely dependent on adjacent coral reefs, with cultures developed around those reefs; and reefs contain the largest reservoirs of biodiversity in the world. Moreover, thes ...
PDF
PDF

... Jackson and others (2000, p. vii) defined an ecological indicator as “a measure, an index of measures, or a model that characterizes an ecosystem or one of its critical components”. They further noted “the primary uses of an indicator are to characterize current status and to track or predict signif ...
Issues in International Conservation
Issues in International Conservation

... several months after bleaching. Further uncertainty is introduced into these reports because observers often are not familiar with the reefs beforehand or with the annual cycle of coral pigmentation and therefore cannot distinguish between recent bleaching mortality and previously dead corals killed ...
Marine Animalia Organism Diversity and Reef Condition on Two
Marine Animalia Organism Diversity and Reef Condition on Two

... This increased acidity in the ocean represents a key threat to coral reefs, as it reduces the calcification rate of framework builders (Anthony et al. 2008). In fact, more than 30% of the CO2 emitted to the atmosphere by human activities is taken up by the ocean, lowering the pH of waters to levels ...
Submerged banks in the Great Barrier Reef, Australia, greatly
Submerged banks in the Great Barrier Reef, Australia, greatly

... deep reef habitats has likely caused a substantial underestimation of the available coral reef habitat in this region. Such a case study, by extension, can be used to highlight an underestimation of the global spatial extent of coral reef habitat. Given that the NSS coral reefs in the GBR are among ...
Biodiversity of Reef Ichthyofauna in Cuddalore Coast, Southeast
Biodiversity of Reef Ichthyofauna in Cuddalore Coast, Southeast

... essential ecological processes and life support systems. It is also one of the most diverse and  spectacular ecosystems of the world and considered to be marine equivalent of tropical rain  forest.  Although  fragile,  coral  reefs  are  highly  productive  and  known  for  the  diverse  fauna  and  ...
Status of coral reefs in the Red Sea and Gulf of Aden in 2004 (PDF
Status of coral reefs in the Red Sea and Gulf of Aden in 2004 (PDF

... significantly to the economy through tourist charges and spending. Coral reefs range widely in condition and cover, with up to 85% living coral cover at the best sites. Coral cover was significantly higher in the Red Sea than in the Gulf of Aqaba, ranging from 16-67% at 5 m depth, with an average of 4 ...
Coral Health Index - Integration and Application Network
Coral Health Index - Integration and Application Network

... Careful zoning and effective enforcement of resource use within a marine managed area reduces impacts of overfishing, allowing populations of grazing fish to rejuvenate and maintain healthy ecosystem functioning.2 Coastal land management to reduce deforestation and land-based pollution, and planning ...
Marine Artificial Reefs - Rhode Island Saltwater Anglers Association
Marine Artificial Reefs - Rhode Island Saltwater Anglers Association

... are able to harvest or simply observe a wide variety of animals from fish to lobsters, often within several hundred yards of shore. While reefs such as this may be common in tropical climates throughout the world, they do not exist in the waters of the continental United States above the southern ti ...
COSTS AND BENEFITS FOR CORAL REEFS
COSTS AND BENEFITS FOR CORAL REEFS

... and soil erosion, global warming, changes in ocean circulation driven by humaninduced climate change, and destruction of coral reefs and oyster reefs that create habitat for the richest marine ecosystems and wave-resistant barriers that protect coastlines. Coral reefs, the most vulnerable ecosystem ...
Status of Coral Reefs in East Africa 2004, GCRNM
Status of Coral Reefs in East Africa 2004, GCRNM

... the 2004-2005 biennial work program of the Nairobi Convention, within the ICRI Call for Action, and by regional organisations. Training in socio-economic assessment of coral reefs in East Africa started in 2000 with the publication of the GCRMN Socio-economic Manual for Coral Reef Management and the ...
Executive summary of the updated synthesis of the impacts of
Executive summary of the updated synthesis of the impacts of

... of water depth. Coastal ecosystems and habitats experience greater variability than those in the open ocean, due to both physical and biological processes. ...
Reports on the Marine Biology of the Sudanese Red Sea.XVIII. A
Reports on the Marine Biology of the Sudanese Red Sea.XVIII. A

... third. From these are formed an island surrounded by undercut cliffs and broad reefflats, two deep lagoons, a miniature atoll with shallow lagoon. B. The Fame after elevation and further erosion and coral growth, starting from the results shown in A. W e have the complete removal of the island, broa ...
Convention on Wetlands (Ramsar, Iran, 1971)
Convention on Wetlands (Ramsar, Iran, 1971)

... health of freshwater fisheries – backwaters, ditches and other open water habitats within wet grassland areas are important for river fisheries; ...
Status of Coral Reefs 2000-24 - Reef Ecology Lab
Status of Coral Reefs 2000-24 - Reef Ecology Lab

... reefs (live hard and soft coral cover above 75%) has reduced from 5.3% to 4.3% since the late 1970s. If hard corals alone are considered, only 1.9% of the reefs can be called ‘excellent’, with average hard coral cover on all reefs at 32.3%, whereas it used to be much higher. Acropora covered 8.1% of ...
Fringing Reef
Fringing Reef

... Interactions between human beings and coral reefs have been evident from the discovery of the diverse ecosystem. Organisations such as UNESCO and Greenpeace assist and nurture coral reefs to ensure their growth is sufficient. To prevent numerous hazards, they carefully monitor each coral reef and ob ...
Strengthening the measures to protect coral reefs in the
Strengthening the measures to protect coral reefs in the

... dollars in services each year. Coral reefs are currently under threat from several different factors and most of them will have to be tackled if we are to save these reefs from extinction. The immediate threats to coral reefs include coral mining, blast fishing, overfishing, agricultural and urban r ...
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Southeast Asian coral reefs



Southeast Asian coral reefs have the highest levels of biodiversity for the world's marine ecosystems. They serve many functions, such as forming the of livelihood for subsistence fishermen and even function as jewelry and construction materials. Coral reefs are developed by the carbonate-based skeletons of a variety of animals and algae. Slowly and overtime, the reefs build up to the surface in oceans. Coral reefs are found in shallow, warm salt water. The sunlight filters through clear water and allows microscopic organisms to live and reproduce. The Indian Ocean holds 60% of the world's coastal reefs, 25% are in the Pacific and 15% are in the western Atlantic. There are coral reefs in the Persian Gulf, Madagascar, the Philippines, Hawaiian Islands and off Southeast Asia. Coral reefs have been preserved and identified in rocks over 400 million years old. Coral reefs are actually composed of tiny, fragile animals known as coral polyps. Coral reefs are significantly important because of the biodiversity. Although the number of fish are decreasing, the remaining coral reefs contain more unique sea creatures. The variety of species living on a coral reef is greater than anywhere else in the world. An estimation of 70-90% of fish caught are dependent on coral reefs in Southeast Asia and reefs support over 25% of all known marine species. However, those sensitive coral reefs are facing detrimental effects on them due to variety of factors: overfishing, sedimentation and pollution, bleaching, and even tourist-related damage.
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