| Analysis of the search query | explain why coral reefs are declining around the world |
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Top competitors on query "explain why coral reefs are declining around the world"
Field Research Around the Globe - Scientist at Work Blog - NYTimes.com
http://scientistatwork.blogs.nytimes.com/ Competition: low
It allows us to survey the habitats along the edge of the park, including cashew tree plantations, mixed bamboo and secondary forest, and regenerating secondary forest. They focused on 26 dams proposed for Mekong tributaries throughout the basin, and their model assessed every possible permutation for those dams (e.g., building just one dam, various combinations of 2 dams, 3 dams, 10 dams, all the way to all 26 dams)
Did Animals Sense Tsunami Was Coming?
http://news.nationalgeographic.com/news/2005/01/0104_050104_tsunami_animals.html Competition: low
How to Use XML or RSS National Geographic Daily News To-Go Listen to your favorite National Geographic news daily, anytime, anywhere from your mobile phone. Ravi Corea, president of the Sri Lanka Wildlife Conservation Society, which is based in Nutley, New Jersey, was in Sri Lanka when the massive waves struck
http://www.economist.com/ Competition: low
Digital apps The Economist apps Read or listen to each week's full issue via The Economist apps for iPad, iPhone, Android, Windows 8, Chrome and BlackBerry
The Aquatic Biome
http://www.ucmp.berkeley.edu/glossary/gloss5/biome/aquatic.html Competition: low
It sustains a fairly diverse community, which can include several species of algae (like diatoms), rooted and floating aquatic plants, grazing snails, clams, insects, crustaceans, fishes, and amphibians. In those areas usually submerged during high tide, there is a more diverse array of algae and small animals, such as herbivorous snails, crabs, sea stars, and small fishes
Climate Change Report Warns of Dramatically Warmer World This Century
http://www.worldbank.org/en/news/feature/2012/11/18/Climate-change-report-warns-dramatically-warmer-world-this-century Competition: low
Risks to Human Support Systems The report identifies severe risks related to adverse impacts on water availability, particularly in northern and eastern Africa, the Middle East, and South Asia. The most severely affected regions in the next 30 to 90 years will likely be in southern Africa, the United States, southern Europe and Southeast Asia, says the report
http://worldviewofglobalwarming.org/ Competition: low
Temperatures averaging 3-5 degrees warmer across the globe will mean that many continental locations will be much warmer than that, according to what is known about the distribution of heat across the Earth. The statement about the new rules in Washington by EPA Administrator Gina McCarthy was long anticipated, growing from a 2007 Supreme Court decision allowing regulation of carbon dioxide as a harmful air pollutant under the Clean Air Act, and President Obama's goal to reduce U.S
http://www.globalissues.org/article/171/loss-of-biodiversity-and-extinctions Competition: low
For example, in her book Stolen Harvests (South End Press, 2000) she describes how their traditional knowledge has been beneficial to the environment and has been developed and geared towards this understanding and respect of the ecosystems around them.Hopetoun falls, Australia; an example of trying to preserve nature while allowing tourism. Amphibians are the most at risk, while corals have had a dramatic increase in risk of extinction in recent years.Threat status of comprehensively assessed species by IUCN
Global Warming Has Devastating Effect on Coral Reefs, Study Shows
http://news.nationalgeographic.com/news/2006/05/warming-coral.html Competition: low
How to Use XML or RSS National Geographic Daily News To-Go Listen to your favorite National Geographic news daily, anytime, anywhere from your mobile phone. Warming Oceans Small but prolonged rises in sea temperature force coral colonies to expel their symbiotic, food-producing algae, a process known as bleaching
Coral Reefs: Coral Plants and Animals
http://www.buzzle.com/articles/coral-reefs-coral-plants-and-animals.html Competition: low
The rhizomes or the stems of the seagrass (with roots attached) anchor the plant, and also keep the seawater clean as they trap large amounts of sediments in them. They are made of masses of very fine thread-like filaments, and these filaments produce calcium carbonate, which in turn gives these algae a rock-like appearance
Coral Reefs in Crisis
http://www.aaas.org/international/africa/coralreefs/ch1.shtml Competition: low
Trade, Mangrove Forests, and Coral Reefs While coral bleaching may be one of the largest threats facing coral reefs, international trade is having significant impacts on even the most remote and pristine reefs. It is estimated that since the 1960's, more than one million kilograms of cyanide has been squirted onto Philippine reefs alone, and the practice has spread throughout East Asia and the Indo-Pacific (Bryant et al., 1998)
WWF - Coral reefs: threats
http://wwf.panda.org/about_our_earth/blue_planet/coasts/coral_reefs/coral_threats/ Competition: low
Some pollutants, such as sewage and runoff from farming, increase the level of nitrogen in seawater, causing an overgrowth of algae, which 'smothers' reefs by cutting off their sunlight. Major threats to coral reefs and their habitats include: Destructive fishing practices: These include cyanide fishing, blast or dynamite fishing, bottom trawling, and muro-ami (banging on the reef with sticks)
NOAA's Coral Reef Information System (CoRIS) - What are Coral Reefs
http://www.coris.noaa.gov/about/what_are/ Competition: low
Varying in width from 20 or 30 meters to more than a few thousand, the reef flat may range from only a few centimeters to a few meters deep, and large parts may be exposed at low tide. If these algal cells are expelled by the polyps, which can occur if the colony undergoes prolonged physiological stress, the host may die shortly afterwards
http://water.epa.gov/type/oceb/habitat/coral_index.cfm Competition: low
Top of page Why Are Coral Communities Important? Coral reefs and their associated communities of seagrasses, mangroves and mudflats are sensitive indicators of water quality and the ecological integrity of the ecosystem. For this reason, coral reefs often are referred to as the "rainforests of the oceans." Corals themselves are tiny animals which belong to the group cnidaria (the "c" is silent)
Coral Reef Adventure
http://www.coralfilm.com/about.html Competition: low
From natural poisons that can be used as painkillers to natural sunscreen compounds in corals that can prevent sunburns, researchers are finding numerous benefits to humans in coral reefs. Corals can survive occasional bleaching incidents, but they cannot recover from repeated or prolonged stress because they depend on the symbiotic algae for nutrition
Coral Reefs: Importance of Coral Reefs
http://www.reefresilience.org/Toolkit_Coral/C7a_Importance.html Competition: low
Coral reefs form natural barriers that protect nearby shorelines from the eroding forces of the sea, thereby protecting coastal dwellings, agricultural land and beaches. They are important for subsistence, fisheries, tourism, shoreline protection, and yield compounds that are important in the development of new medicines
NOAA's Coral Reef Conservation Program: Values
http://coralreef.noaa.gov/aboutcorals/values/ Competition: low
Some actions to preserve coral ecosystems for future generations include: Over 13 sites on the UNESCO World Heritage List contain coral ecosystems, including, among others, the Great Barrier Reef (added in 1981), Tubbataha Reefs Natural Park in the Philippines (added in 2009) and the Belize Barrier Reserve System, (added to the List of World Heritage in Danger in 2009). Coral ecosystems are no different; new discoveries of species associated with coral ecosystems are documented each year, but untold numbers of other species become extinct before science even knows they exist
http://www.marinebiology.org/coralbleaching.htm Competition: low
Global climate change may play a role in the increase in coral bleaching events, and could cause the destruction of major reef tracts and the extinction of many coral species. Coral bleaching accompanied some of the mortality events prior to the 1980s during periods of elevated sea water temperature, but these disturbances were geographically isolated and restricted to particular reefs zones
Coral Reef
http://library.thinkquest.org/CR0215471/coral_reef.htm Competition: low
We can try to help decrease pollution by not using lights, TVs, radios, washing machines, dryers, hair dryers, cars, microwaves, air conditioners, video games, and dish washer as much as we do now
Coral Reef Adventure
http://www.coralfilm.com/faq.html Competition: low
Changes in the physical environment such as the amount of sunlight or salinity, or the temperature, and in the biological community, such as the presence or absence of other organisms and how they interact with the symbiotic pair, may change the nature of the symbiotic relationship from one type to another. Soft corals look like colorful plants or graceful trees and are not reef-building since they do not produce the hard calcified skeleton of many reef-building corals
Mapping the Decline of Coral Reefs : Feature Articles
http://earthobservatory.nasa.gov/Features/Coral/ Competition: low
Over the past 50 years, humans have put an enormous amount of pressure on coral reef environments by altering their waters and tearing up their foundations. This map would not only be useful for identifying large-scale threats to the reefs, but would allow the researchers to locate those reefs that are in the most trouble
http://life.bio.sunysb.edu/marinebio/coralreef.html Competition: low
Photo by Don Hesler Porcupinefish Photo by Don Hesler When confronted by a predator, the porcupine fish can inflate its body, which projects a prickly surface of spines. Stonefish, Thailand Photo by Don Hesler The Indo-Pacific Stone Fish, Synanceja horrida, is a member of the family Scorpaenidae and lives cryptically beneath rocks and within crevices
Coral - Wikipedia, the free encyclopedia
http://en.wikipedia.org/wiki/Coral Competition: low
They are radially symmetrical, with tentacles surrounding a central mouth, the only opening to the stomach or coelenteron, through which food is ingested and waste expelled. Corals also breed sexually by spawning: polyps of the same species release gametes simultaneously over a period of one to several nights around a full moon
Coral Reefs
http://www.cotf.edu/ete/modules/coralreef/CRcoralreefs.html Competition: low
The question then arises: Even if coral reefs are being destroyed at an alarming rate, why should we be concerned? We know that coral reefs provide a food source and a living for many people, especially in developing nations, such as the Philippines and the Dominican Republic. As new layers of the coral reef are built, the polyps with their algae depart from the lower layers, leaving behind another layer of the reef structure
CORAL REEF DESTRUCTION AND CONSERVATION - Coral Reefs - Ocean World
http://oceanworld.tamu.edu/students/coral/coral5.htm Competition: low
Due to global warming, 1998 was the hottest year in the last six centuries and 1998 was the worst year for coral.The most obvious sign that coral is sick is coral bleaching. And the pollution we dump in the ocean is just what the algae needs to grow and be healthy, which means covering and eventually killing the coral reefs
http://www.globalissues.org/article/173/coral-reefs Competition: low
Prior to 1998 mass coral bleaching had been recorded in most of the main coral reef regions, but many reef systems had not experienced the effects of severe bleaching. It is now emerging that the coral in the French Polynesia regions where many Nuclear tests have been carried out have been harmed, as the French atomic energy commission has admitted
Coral reef - Wikipedia, the free encyclopedia
http://en.wikipedia.org/wiki/Coral_reef Competition: low
Seagrass and mangroves supply dead plants and animals which are rich in nitrogen and also serve to feed fish and animals from the reef by supplying wood and vegetation. A number of invertebrates, collectively called cryptofauna, inhabit the coral skeletal substrate itself, either boring into the skeletons (through the process of bioerosion) or living in pre-existing voids and crevices
Field Research Around the Globe - Scientist at Work Blog - NYTimes.com
It allows us to survey the habitats along the edge of the park, including cashew tree plantations, mixed bamboo and secondary forest, and regenerating secondary forest. They focused on 26 dams proposed for Mekong tributaries throughout the basin, and their model assessed every possible permutation for those dams (e.g., building just one dam, various combinations of 2 dams, 3 dams, 10 dams, all the way to all 26 dams)
Did Animals Sense Tsunami Was Coming?
How to Use XML or RSS National Geographic Daily News To-Go Listen to your favorite National Geographic news daily, anytime, anywhere from your mobile phone. Ravi Corea, president of the Sri Lanka Wildlife Conservation Society, which is based in Nutley, New Jersey, was in Sri Lanka when the massive waves struck
Digital apps The Economist apps Read or listen to each week's full issue via The Economist apps for iPad, iPhone, Android, Windows 8, Chrome and BlackBerry
The Aquatic Biome
It sustains a fairly diverse community, which can include several species of algae (like diatoms), rooted and floating aquatic plants, grazing snails, clams, insects, crustaceans, fishes, and amphibians. In those areas usually submerged during high tide, there is a more diverse array of algae and small animals, such as herbivorous snails, crabs, sea stars, and small fishes
Climate Change Report Warns of Dramatically Warmer World This Century
Risks to Human Support Systems The report identifies severe risks related to adverse impacts on water availability, particularly in northern and eastern Africa, the Middle East, and South Asia. The most severely affected regions in the next 30 to 90 years will likely be in southern Africa, the United States, southern Europe and Southeast Asia, says the report
Temperatures averaging 3-5 degrees warmer across the globe will mean that many continental locations will be much warmer than that, according to what is known about the distribution of heat across the Earth. The statement about the new rules in Washington by EPA Administrator Gina McCarthy was long anticipated, growing from a 2007 Supreme Court decision allowing regulation of carbon dioxide as a harmful air pollutant under the Clean Air Act, and President Obama's goal to reduce U.S
For example, in her book Stolen Harvests (South End Press, 2000) she describes how their traditional knowledge has been beneficial to the environment and has been developed and geared towards this understanding and respect of the ecosystems around them.Hopetoun falls, Australia; an example of trying to preserve nature while allowing tourism. Amphibians are the most at risk, while corals have had a dramatic increase in risk of extinction in recent years.Threat status of comprehensively assessed species by IUCN
Global Warming Has Devastating Effect on Coral Reefs, Study Shows
How to Use XML or RSS National Geographic Daily News To-Go Listen to your favorite National Geographic news daily, anytime, anywhere from your mobile phone. Warming Oceans Small but prolonged rises in sea temperature force coral colonies to expel their symbiotic, food-producing algae, a process known as bleaching
Coral Reefs: Coral Plants and Animals
The rhizomes or the stems of the seagrass (with roots attached) anchor the plant, and also keep the seawater clean as they trap large amounts of sediments in them. They are made of masses of very fine thread-like filaments, and these filaments produce calcium carbonate, which in turn gives these algae a rock-like appearance
Coral Reefs in Crisis
Trade, Mangrove Forests, and Coral Reefs While coral bleaching may be one of the largest threats facing coral reefs, international trade is having significant impacts on even the most remote and pristine reefs. It is estimated that since the 1960's, more than one million kilograms of cyanide has been squirted onto Philippine reefs alone, and the practice has spread throughout East Asia and the Indo-Pacific (Bryant et al., 1998)
WWF - Coral reefs: threats
Some pollutants, such as sewage and runoff from farming, increase the level of nitrogen in seawater, causing an overgrowth of algae, which 'smothers' reefs by cutting off their sunlight. Major threats to coral reefs and their habitats include: Destructive fishing practices: These include cyanide fishing, blast or dynamite fishing, bottom trawling, and muro-ami (banging on the reef with sticks)
NOAA's Coral Reef Information System (CoRIS) - What are Coral Reefs
Varying in width from 20 or 30 meters to more than a few thousand, the reef flat may range from only a few centimeters to a few meters deep, and large parts may be exposed at low tide. If these algal cells are expelled by the polyps, which can occur if the colony undergoes prolonged physiological stress, the host may die shortly afterwards
Top of page Why Are Coral Communities Important? Coral reefs and their associated communities of seagrasses, mangroves and mudflats are sensitive indicators of water quality and the ecological integrity of the ecosystem. For this reason, coral reefs often are referred to as the "rainforests of the oceans." Corals themselves are tiny animals which belong to the group cnidaria (the "c" is silent)
Coral Reef Adventure
From natural poisons that can be used as painkillers to natural sunscreen compounds in corals that can prevent sunburns, researchers are finding numerous benefits to humans in coral reefs. Corals can survive occasional bleaching incidents, but they cannot recover from repeated or prolonged stress because they depend on the symbiotic algae for nutrition
Coral Reefs: Importance of Coral Reefs
Coral reefs form natural barriers that protect nearby shorelines from the eroding forces of the sea, thereby protecting coastal dwellings, agricultural land and beaches. They are important for subsistence, fisheries, tourism, shoreline protection, and yield compounds that are important in the development of new medicines
NOAA's Coral Reef Conservation Program: Values
Some actions to preserve coral ecosystems for future generations include: Over 13 sites on the UNESCO World Heritage List contain coral ecosystems, including, among others, the Great Barrier Reef (added in 1981), Tubbataha Reefs Natural Park in the Philippines (added in 2009) and the Belize Barrier Reserve System, (added to the List of World Heritage in Danger in 2009). Coral ecosystems are no different; new discoveries of species associated with coral ecosystems are documented each year, but untold numbers of other species become extinct before science even knows they exist
Global climate change may play a role in the increase in coral bleaching events, and could cause the destruction of major reef tracts and the extinction of many coral species. Coral bleaching accompanied some of the mortality events prior to the 1980s during periods of elevated sea water temperature, but these disturbances were geographically isolated and restricted to particular reefs zones
Coral Reef
We can try to help decrease pollution by not using lights, TVs, radios, washing machines, dryers, hair dryers, cars, microwaves, air conditioners, video games, and dish washer as much as we do now
Coral Reef Adventure
Changes in the physical environment such as the amount of sunlight or salinity, or the temperature, and in the biological community, such as the presence or absence of other organisms and how they interact with the symbiotic pair, may change the nature of the symbiotic relationship from one type to another. Soft corals look like colorful plants or graceful trees and are not reef-building since they do not produce the hard calcified skeleton of many reef-building corals
Mapping the Decline of Coral Reefs : Feature Articles
Over the past 50 years, humans have put an enormous amount of pressure on coral reef environments by altering their waters and tearing up their foundations. This map would not only be useful for identifying large-scale threats to the reefs, but would allow the researchers to locate those reefs that are in the most trouble
Photo by Don Hesler Porcupinefish Photo by Don Hesler When confronted by a predator, the porcupine fish can inflate its body, which projects a prickly surface of spines. Stonefish, Thailand Photo by Don Hesler The Indo-Pacific Stone Fish, Synanceja horrida, is a member of the family Scorpaenidae and lives cryptically beneath rocks and within crevices
Coral - Wikipedia, the free encyclopedia
They are radially symmetrical, with tentacles surrounding a central mouth, the only opening to the stomach or coelenteron, through which food is ingested and waste expelled. Corals also breed sexually by spawning: polyps of the same species release gametes simultaneously over a period of one to several nights around a full moon
Coral Reefs
The question then arises: Even if coral reefs are being destroyed at an alarming rate, why should we be concerned? We know that coral reefs provide a food source and a living for many people, especially in developing nations, such as the Philippines and the Dominican Republic. As new layers of the coral reef are built, the polyps with their algae depart from the lower layers, leaving behind another layer of the reef structure
CORAL REEF DESTRUCTION AND CONSERVATION - Coral Reefs - Ocean World
Due to global warming, 1998 was the hottest year in the last six centuries and 1998 was the worst year for coral.The most obvious sign that coral is sick is coral bleaching. And the pollution we dump in the ocean is just what the algae needs to grow and be healthy, which means covering and eventually killing the coral reefs
Prior to 1998 mass coral bleaching had been recorded in most of the main coral reef regions, but many reef systems had not experienced the effects of severe bleaching. It is now emerging that the coral in the French Polynesia regions where many Nuclear tests have been carried out have been harmed, as the French atomic energy commission has admitted
Coral reef - Wikipedia, the free encyclopedia
Seagrass and mangroves supply dead plants and animals which are rich in nitrogen and also serve to feed fish and animals from the reef by supplying wood and vegetation. A number of invertebrates, collectively called cryptofauna, inhabit the coral skeletal substrate itself, either boring into the skeletons (through the process of bioerosion) or living in pre-existing voids and crevices
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