why are coral reefs so critical to low lying tropical diseases
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Coral reefs provide habitat and shelter for a diverse range of marine species, which contributes to the overall health of the ocean ecosystem. Show more…
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The health of coral reefs depends on several factors. One is clean water. Erosion on land causes rivers to dump mud on reefs, smothering and killing corals. Seawater with too many nutrients speeds up the growth of seaweeds and increases the food for predators of corals when they are developing as larvae in the plankton. Coral bleaching occurs when coral polyps lose their symbiotic algae. Without the algae, the living coral tissues are nearly transparent, and you can see right through to the stony skeleton, which is white, hence the name coral bleaching. Many stressors cause coral bleaching: water that is too cold or too hot, too much or too little light, or the dilution of seawater by the input of lots of fresh water. The number one cause of bleaching today is the rising temperatures caused by global warming. Temperatures more than 2 degrees Fahrenheit (or 1 degree Celsius) above the normal seasonal maximum can cause bleaching. QUESTION: Fish play an important role in coral reef health as well. All BUT one effect listed below is the result of the fish populations within the coral reef. A) Fish eat predators, such as starfish. B) Fish eat seaweed and kelp that could potentially smother the coral. C) Some fish live symbiotically with coral, luring in prey for the coral to kill and eat. D) When corals are babies floating in the plankton, fish swim with them and protect them from harm.
Adi S.
Why are elkhorn corals important for the health of the coral reef and nearby shorelines? Elkhorn corals, scientifically known as Acropora palmata, play a crucial role in maintaining the overall health and vitality of coral reefs and the adjacent shorelines. These corals are considered to be one of the most important reef-building species due to their unique characteristics and ecological functions. Firstly, elkhorn corals are responsible for the formation of complex reef structures. Their large, branching colonies create intricate habitats that provide shelter, food, and breeding grounds for a wide variety of marine organisms. These structures also act as natural barriers, protecting the shorelines from erosion and storm damage. Secondly, elkhorn corals contribute significantly to the overall biodiversity of coral reefs. They support a diverse array of marine life, including fish, crustaceans, and other invertebrates. Many species rely on elkhorn corals for food and shelter, making them an essential part of the reef ecosystem. Furthermore, elkhorn corals play a crucial role in nutrient cycling and water filtration. They absorb nutrients from the water, helping to maintain the balance of essential elements within the reef ecosystem. Additionally, their complex branching structures create a large surface area for the attachment of filter-feeding organisms, which help to remove particulate matter and improve water quality. Unfortunately, elkhorn corals have experienced a significant decline in recent decades due to various factors, including climate change, pollution, and overfishing. This decline has had detrimental effects on the health of coral reefs and nearby shorelines. Efforts are being made to protect and restore elkhorn corals through conservation initiatives and the establishment of marine protected areas. In conclusion, elkhorn corals are of utmost importance for the health and sustainability of coral reefs and nearby shorelines. Their role in reef formation, biodiversity support, nutrient cycling, and water filtration cannot be overstated. Protecting and preserving these corals is crucial for the overall well-being of marine ecosystems and the communities that depend on them.
Cassandra M.
Global Consequences of Coral Bleaching and Other Threats Coral bleaching and other threats have already caused major losses in coral reefs worldwide. Many reefs are at risk, especially in areas with unusually warm ocean temperatures. If these temperatures remain high or even increase, it will make it harder for corals to recover from or adapt to the heat stress, and many colonies will likely bleach and die. Which of the following is most likely to increase in areas with severe coral bleaching? - reef-related fisheries - biodiversity - tourism - coastal damage from erosion and storms
Madhur L.
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