How scientists are preserving coral reefs

How scientists are preserving coral reefs – Bright green and yellow fronds sway in the ocean current, as schools of fluorescent fish dart among purple knobs and blobs. Greetings from the coral reef! Coral reefs are remarkable and essential natural formations. They consist of several types of corals fashioned like fans, tubes, and trees. Corals are composed of microscopic organisms known as polyps. They are linked to jellyfish and sea anemones.

Algae inhabit the exoskeletons of the polyps. In exchange, algae provide food for polyps through photosynthesis. Working in concert, polyps and algae create huge subterranean forests. They serve as habitats and nurseries for aquatic life. They safeguard shorelines during storms by absorbing the energy of waves.

These coral reefs are likewise threatened. Perhaps you’re familiar with coral bleaching. When ocean waters get too warm due to climate change, coral polyps expel their algae. Algae provide corals with their brilliant colours and nutrition. (Corals may also feed themselves by capturing plankton and shrimp using their tentacles.) Without algae, corals begin to starve and become white.

They are resilient to bleaching. However, in this condition, they are more susceptible to fatal infections. When corals perish, creatures dependent on reefs also suffer. To maintain and rebuild coral reefs, marine experts throughout the globe are working hard.

The underwater coral reef of Florida runs 350 miles from north of Miami to Dry Tortugas National Park. In the last 40 years, its branching corals, such as staghorn and elkhorn, have had difficulty fending off infections. Stephanie Kettle states that in certain regions, the living coral cover has decreased to as low as 1%. She is employed at Sarasota’s Mote Marine Laboratory & Aquarium.

Now, over 20 species of stony corals, such as brain and boulder corals, have contracted stony coral tissue loss disease, which Kettle refers to as the “essential backbone of the reef.” It is exceedingly infectious and fatal, according to Kettle. It leads to the death of coral tissue and the shedding of its skeleton. It has been responsible for the death of coral in Florida and sections of the Caribbean Sea.

How scientists are preserving coral reefs
How scientists are preserving coral reefs


Mote scientists are attempting to determine which genes in some corals provide resistance to this illness and to the heat stress that causes bleaching. Mote develops these corals in its laboratory to see whether “we can create a generation of corals that can withstand both,” as Kettle puts it.

Approximately 40,000 coral pieces are now developing in the lab. Mote scientists will put the majority of them on the reef to aid in its restoration. In the preceding ten years, they have planted 140,000 coral pieces. Last year, they seeded massive star coral, which is now reproducing on its own to develop the reef. Best of all, this coral seems resistant to the illness that causes stony coral tissue loss. Kettle declares, “We’ve achieved tremendous success.” However, scientists still need to learn more in order to rebuild Florida’s corals.

Protecting the coral reefs of Hawaii

Like the reef in Florida, certain reefs off the coast of the Hawaiian Islands have been repeatedly bleached. Some have died. Some individuals have recovered. Some survivors are suffering.

There are further threats to Hawaii’s coral reefs. One is weathering. Explains According to Ben Charo, a conservation scientist with the Coral Reef Alliance (CRA), sugar cane and pineapple farms previously existed in Hawaii. Poor quality soil was left behind by these crops. This enters the ocean when it rains and “dramatically limits the amount of light entering the sea,” according to Charo. This limits the development of coral because the algae inside coral need sunlight to photosynthesize.

Meanwhile, another issue exists: wastewater contamination. When people flush their toilets, for instance, a portion of the waste is released into the ocean. It causes the growth of undesirable types of algae. They develop rapidly to compete with coral for food, generating an imbalance in the ocean ecology. Both erosion and wastewater pollution damage corals to the point where they cannot resist bleaching.

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The CRA scientists do not rebuild coral forests. Instead, they attempt to stem the erosion and nutrient pollution that are sickening the corals of Hawaii. People are instructed to plant native trees and plants that will act as silt traps. They instruct companies on how to construct reef-friendly landscaping, such as rain gardens. These capture stormwater and remove pollutants before it reaches the ocean. Scientists believe that more of these initiatives will help corals recover and flourish.

How you can assist in preserving coral reefs

Reduce your ecological footprint! Carbon is the primary contributor to climate change. It is mostly derived by the combustion of fossil fuels like oil and gas. Instead of having an adult drive you, bike or walk to school or a friend’s home. Eat more plants. Recycle.

2. shop shrewdly Wear “reef-safe” sunscreen before swimming. Never purchase trinkets created from coral or other sea creatures. Use refillable water bottles rather than disposable plastic water bottles.

Be a responsible traveller. Visiting a location close to a coral reef? Pack out your rubbish to prevent it from entering the water. Do not remove mementos from nature. Support neighbourhood businesses.

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