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POLLUTION- CORAL REEF: Pollution to the animals: • Sea Turtles: ďƒ˜ Plastic that humans pollute, a lot of it mostly goes to the coral reef and turtles sometimes get caught in the plastic or the nets and drown or they eat the plastic and die.

Lion fish

coral reef

Angel Fish


• Clown fish:  Their home in the anemone gets destroyed by the tourist stepping on them and the fuel and waste from the boats end up there.  Other fish and other types of species in the coral reef also gets killed or very badly polluted like these two examples above.

Clown Fish

Angel Fish

• Pollution to the coral itself:

Sea turtle

 The coral reef itself is polluted by most by tourist. The boats that people travel to coral reefs spill petrol and waste from the boat gets in to the reef. People also step on the coral reefs and destroy that ’s why a lot of coral reefs now are ruined and ugly. Luckily some have been untouched so they still look really beautiful.


Journey through this short information book, and learn about the amazing elegant coral reef

By Alex kirby


how How do fix this issue? -Try to not to stam on the coral reef -Try not to leave your rubbish at the coral reef -Try not to go their by speed boat but by canonoe


Types of pollution

Carbon Dioxide In the past few decades, the amount of carbon dioxide in the air has increased by one-third. This is harmful to corals because increased amounts of carbon dioxide are dissolving into the water, which appears to be dissolving the skeletons of corals. As a result, coral in waters with large amounts of carbon dioxide form weaker skeletons, making them more vulnerable to damage from waves, careless tourists, and destructive fishers. Water Pollution Scientists have identified pollution as one of the leading causes of coral reef degradation. This threat comes from a variety of sources. For example, oil, gas and pesticide contamination poisons coral and marine life. Reefs are harmed when human, animal waste and/or fertilizer is dumped into the ocean or when river systems carry these pollutants to reef waters. These pollutants increase the level of nitrogen around coral reefs, causing an overgrowth of algae, which smothers reefs by cutting off their sunlight. Trash also kills coral reef animals. Floating trash can cover reefs, blocking off sunlight that polyps need to survive. Turtles often mistake plastic bags for jellyfish and eat them. Plastic blocks the turtle’s digestive tract, causing them to starve to death. Lost or discarded fishing nets - called “ghost nets” - can snag on reefs and strangle thousands of fish, sea turtles and marine mammals.


Destructive Fishing Practices Unfortunately, some current fishing practices are destructive and unsustainable. These include cyanide fishing, overfishing and blast fishing. Although cyanide fishing supplies live reef fish for the tropical aquarium market, most fish caught using this method are sold in restaurants, primarily in Asia, where live fish are prized for their freshness. To catch fish with cyanide, fishers dive down to the reef and squirt cyanide in coral crevices and on the fast-moving fish, to stun the fish making them easy to catch. Although some large tropical fish can metabolize cyanide, smaller fish and other marine animals, such as coral polyps, are poisoned by the chemical cloud produced during this process. Overfishing is another leading cause for coral reef degradation. Often, too many fish are taken from one reef to sustain a population in that area. Poor fishing practices, such as banging on the reef with sticks (muro-ami), destroy coral formations that normally function as fish habitat. In some instances, people fish with explosives (blast fishing), which blast apart the surrounding coral. source: http://www.coral.org/resources/about_coral_reefs/threats_to_ coral_reefs

By Aex kiby


Pollution to the coral reef