Despite covering nearly three quarters of the surface of the earth, the world’s oceans are signalling a severe deterioration in health due to a number of human related impacts. An independent set of report published by the International Programme on the State of the Ocean (IPSO) has indicated that various significant factors are mounting a cause for concern that is overreaching what scientists had initially predicted.
Over time, the ocean has lessoned the affects of global warming by absorbing excess CO2 from the atmosphere. Whilst this has reduced greenhouse gas levels, this uptake of carbon dioxide has caused the water to become increasingly acidic. Along with overfishing, other sources of pollution and the increasingly more common ‘dead zones’ formed by fertiliser run-off, the oceans are showing the strains and may suffer from potential mass extinction.
An example of where these negative impacts are being noticeably felt are along coral reefs. Not only are the corals incredibly sensitive to ocean warming but pollution, coral mining and destructive fishing practices also limit the growth of these vital organisms negatively impacting their vital role in biological ecosystems and geochemical processes within the sea. A recent report revealed that coral coverage on the Great Barrier Reef, the world’s largest coral system, has declined by a staggering 50% over the past 30 years.
The reports indicate the requirement for immediate responses on both a global, national and local scale. Chiefly, urgent action must be taken to cut CO2 emissions, promote and manage sustainable fishing practices and governments must tackle key groups of chemicals that are being released into the ocean.
Half-term Homework Year 8
Please watch the following three sort films and answer the questions below. Your answers need to be posted at the bottom of this blog.
In video 1, the main threats are pollution, global warming and over-fishing. People are trying to help by making coral reefs out of man-made, artificial objects. In the second video, the problem was that they were using dynamite to fish and it was damaging the coral reefs. And same as before, they were over-fishing. They introduced a few new rules including putting 10% of the land as no fishing zones. In the final video, the threats to the dugongs were motor boats and fishing nets. The government banned some types of fishing nets and produced new laws on the speed limit of a speed boat.
The main ocean threats in video one is the impact that global warming and pollution is making on the coral reefs/animals. Humans are polluting the ocean by throwing wastes in it and some marine animals had mistaken it for food which causes them to choke and die but others have been trying to restore the corals by creating artificial ones from shipwrecks and man made things although this can only be temporarily.
In video 2, the main threats is the destruction on the coral reefs and the rapid decrease of fish from using dynamites,cyanides and over fishing. To fix this problem, the government created a law banning destructive fishing but since that didnt work, a man called Angel Alcala introduced the villagers to a new strategy of creating a ‘no fishing’ zone which restored the fishes within three years. The villagers then created two new rules: Fishing only allowed for Abo villager & no destructive fishing methods.
In video three, they are talking about the threats to the dugongs and the sea grass beds. Pollution from the construction of houses goes into the ocean killing the sea grasses which then affects the food chain since most marine life that live there depend on it especially the dugongs. Other than that, dugongs are found washed ashore, stuck in fishing nets while others aree killed by speedboats. So the government decided to create a marine/dugong protected sanctuary and banned certain types of fishing nets.
In video 1, the main threats were global warming, pollutions and overfishing. Global warming and pollutions are destroying the coral reefs and animals under the sea. Humans are also making pollution and destroying the ocean by throwing rubbish into the ocean. The fishes in the ocean doesn’t know so they eat it and they are going to die faster. In the future we might not be able to see beautiful fishes in the oceans anymore.
In video 2, the main threats were destruction on the coral reefs and using dynamites, cyanides and also overfishing. The government decided to make a law to ban destructive fishing. But it did not help the villagers. So a man called Angel Alcala showed the villagers and told them to make a no fishing zone. The villagers created 2 new rules that they made up which was fishing allowed for Abo villagers and no destructive fishing methods. The villagers said that it had change their life from doing this.
In video 3, they were talking about the dugongs and sea beds. Pollutions affect the sea beds and then the dugongs because the dugongs eat sea beds as their main food. When the Dugongs die they will normally found on the shore. The scientist were investigating about it. That said that some were stuck in fishing nets while others are killed because of speedboats these days. The government decided to protect the dugongs and banned some types of fishing nets.
The main threat in video 1 is global warming, pollution and overfishing. Nowadays many people throw waste into the sea and marine animals mistaken it for food, this would make the animals eat the waste and choke. Pollution and global warming is destroying a huge number of coral reef under the sea which makes feeding grounds less for a variety of aquatic life. Nowadays people have been trying to make artificial reefs that are made by man-made objects and sunken ships to increase the number of feeding ground for the aquatic life.
The main threat in video 2 is destructive fishing method by using dynamite and cyanide as well as over fishing to catch fishes and does also destroy the coral reefs. The government created a law banning destructive fishing, but the law was not enforceable. Then a man called Angel Alcala help the villagers about this case by introducing a ‘Non Fishing Zone’ which unbelievably restored back the amount of fish in three years time. Then the Apo Islanders came up with two new rules but still continued the rule of ‘Non Fishing Zone’ in the sanctuary. Rule number one is that fishing there is only for Apo Islanders. Rule number two is that no destructive fishing method were allowed.
The main threat in video 3 is pollution from construction which destroy and dugongs and the seagrass bed. Dugongs is a large marine mammal which eats grass from the seagrass bed. Dugongs need seagrass to survive as well as green turtles which the seagrass bed provides food and shelter for it. Dugongs are also found washed up ashore because of speedboats or had been captured into the fishing nets and drown when they become tangled with nets. Government decided make up a law reducing the boat speed in some areas and also banned some certain types of fishing nets.
In video 1 the main reasons are that people are fishing too much, pollution and global warming. Some people are trying too help the oceans by making coral reefs with man made objects. In the second video they also fished too much but they were using explosives to fish which damaged the coral reefs which leads to less fish in the oceans. In the final video the boats where threatening the seas with the speed of the boat also the mortar boat and fishing boats where damaging the seas so that less and less fish where in the reefs and oceans.
Film 1: Coral Reefs
The threat discussed in this video are pollution (plastic bags), global warming and over fishing which destroyed the reefs.
An action people is taking to address these threats are that they make artificial (fake) coral reefs.
Film 2: EcoTipping Point Success Stories – Apo Island
The threat discussed in this video is that the number of fish decreased very quickly because of destructive fishing (using dynamites and cyanide). The coral reefs were destroyed.
The actions people are taking to address this threat are they set up no fishing zone (fishing sanctuary). They also made rules that fishing is for only Apo Islanders and no destructive fishing methods.
Film 3: Arabian ‘Sea Cows’ Going Hungry?
The threat discussed in this video is that the pollution and silt covered and killed the sea grass. Sea cows and other marine animals have less food.
The actions people are taking to address this threat is they count how many sea cows they have. And when they find a dead sea cow on the beach, they measure its size and took photos and try to find out how it died. They set up a sanctuary for sea cows. They reduce boat speeds and ban fishing nets that harm the sea cows. They also teach the children how important the sea cows are.
Today, Global warming,over-fishing and pollution are the main cause of ocean health deterioration.
All videos explain in detail the impacts of these human-related factors in ocean reef.
Eventhough in some area they have tried to reverse the deterioration of reef life,unfortunately most part is irreversible.
Some marine scientists had come up with idea of “fishing zone’ to restore to some extend the life of fish in some villages, but it damage from industries, human and chemical waste and other are so extensive that require immediate responses in national and global scale.
Our response should focus on area of conservation, public awareness and education.
In the first video the main threat in pollution and global warming, people start to throw rubbish into the sea, which it’s starting to destroy the coral reefs under the sea. Small and big fishes in the sea eats the rubbish that is been thrown into the sea which will eventually lead them to die faster.
In the second video it shows how quick fish decreased in the sea because of destructive fishing using dynamites and cynides. Which made the govourments decide to ban destructive fishing. But it didn’t help the villagers. So one day a man called Angel Alcala told the villagers to set up a zone called no fishing zone. So they made up two new rules which allows the villagers to fish without using the method destructive fishing. And so it changes their life forever.
In the third video it shows sea beds and gugongs. Pollution will eventually destroy the sea bed that the dugongs eat as their food everyday. Most of the dugongs die because they have no food and some fishing nets most of them will be found on the beach shore. The scientists said some dugongs are being killed by nets while some other are being killed some speedboats. So the govourments tries to protect the dugongs by banning some of the fishing nets.
video 1:
The main threats are pollution, global warming and overfishing
People are trying to help by making artificial coral reefs
video 2:
The fishermen were using explosives which damaged the habitats of the fish and they were overfishing
They put a marine life sanctuary on the island and stopped using destructive methods to fish
video 3:
The threats were fishing boats which were too fast and fishing nets which would cause too much damage
They reviewed the speed limit and banned some types of destructive nets
Video 1:
the main threats are overfishing, global warming and pollution. People are trying to stop this by creating artificial(fake) coral reefs as fishes are dying a lot.
Video 2: In this video they showed how quickly fish are decreasing by the way of using dynamites and cynides. The government tried to ban destructive fishing but it didn’t work. so some guy set up a no fishing zone.
Video 3:
In this video the threats were speed boats going too fast and some fishing nets were causing too much damage. So a speed limit was set and some nets banned.
In video 1 the main threats were overfishing, pollution and global warming people are trying to solve the problem using man made artificial coral reefs the other problems are rubbish and fish eating plastic.
In video 2 they showed how quickly the population on fish decreased by using harmful fishing methods including dynamite and cynides which destroyed coral reefs, the government tried to ban this type of fishing but it didn’t work so a guy called Angel Alcala talked them into a non fishing zones and setting up a marine life sancuary, the villagers were enthusiastic and 10 percent of the island were non fishing zones or marine life sanctuarys. They banned destructive fishing and everything was normal.
The third video the threat is pollution destroying the seagrass bed which affects a lot of marine life especially the sea cow. They were also affected by speed boats and getting tangled in nets, so to save the species the government reduced the speed limits of boats and banned harmful types of nets.
Video 1:
The main threats are global warming,pollution and over fishing. People are helping by using artificial reefs created by sunken ships or other man made objects.
Video 2:
The main threats in this video were fishermen using destructive fishing method which decreases the population of fish and damaged the coral habitats. Because of that they used 10% of the land and made it a no fishing zone.
Video 3:
The main threat in this video are constructions polluting the ocean, choking the corals and smothering the sea grass. Also the speed boats were too fast and the fishing nets caused too much damage which affects the marine lives especially the dugongs(sea cow). Because of this they had to reduce the speed of boats and banned harmful types of nets.
Film 1:
In the first film, the main threats are pollution, overfishing and global warming. So the people make artificial reefs.
Film 2:
The second film’s threat is that people use explosives to kill fish. The people then made a no fishing zone.
Film 3:
This last film’s threat was construction polluting the sea bed. The people then had boat speed limits and banned some nets.
Film 1: The great threats in the video is global warming (sometimes caused by pollution) and overfishing. What people do to help is make artificial coral reefs out of man made objects like a sunken ship to replace the reefs destroyed.
Film 2 : The huge threats to the ocean in this video is fishermen that use effective methods in fishing for example throwing explosives into the water. Then one guy suggested a way of reducing it by banning throwing explosives to kill the fishes and made a non fishing zone.
Film 3: The big threat in this video is that pollution will soon destroy the sea grass and the dugongs (sea cows) only feed on sea grass. They were affected by the speed of boats on the water surface and fishing nets. The people banned the use of some kinds of nets and had a speed limit for the boats.
In the first video, the main threat was pollution in the ocean. Some groups of people are trying to protect and make artificial coral reefs.
In the second video, the main threat was explosions being used to catch fishes. The method works but it would also destroy the coral reefs. Then, people started to build a sanctuary for fishes.
In the third video, the main threat was fishing boats going too fast and some fishing nets were causing too much damage. A speed limit was set to prevent more damages.
Film 1
The main threats in the video is global warming and pollution. Humans are finding a way to help by using man made objects and artificial reefs.
Film 2
The main threats in this video is humans are using explosions to catch fishes, and it shows how fast the fish are decreasing. Which damages the corals habitats.
Film 3
The main threats in this video is pollution and destroying the sea grass beds which affects the sea cows. The speed boats are going too fast, so they set a speed limit.
Coral reefs in the first video provide a habitat for many different kinds of fish. They had lived and reproduced for 50 million years, but in these days people throw rubbish, such as plastic bags and cans into the ocean. This causes pollution, which is one of the main threats. Two other threats in the first video are global warming, andover fishing. People are creating artificial reefs by using sunken ships and man-made objects to replace the real reefs, but these artificial reefs can only stay for a while.
Fish in the Apo Island in Philippines are decreasing rapidly. Fishermen are trying as hard as they could to find fish, but sometimes they only get a few small fish…….
The main threats in the second video are using dynamites and cyanide to fish (these can also destroy coral reefs). Another main problem on the Apo Island is over fishing. The government had considered and decided to ban destructive fishing, but the law did not help. In 1980, a doctor called Angel Alcala suggested that they could make a ‘no fishing zone’ where they were not allowed to find fish, and the outcome was quite impressive.
Sea grass, in the third video, are food for dugongs. In order to survive, dugongs need to eat huge amount of sea grass, but they are dying because of pollution from construction of buildings and houses. Not only dugongs that suffer, but sea grass also provide food for green tortoise. There may not be any dugong left if they suffer longer. The government protected dugongs by banning some types of fishing and reduced speed boats.
In video one the main threat is that there is global warming, pollution and over fishing. People are now making artificial reefs from sunken ships and other man-made objects but the ocean is still in threat from this problem.
In video two the main threat is that people are using dynamites and cyanides to fish and it was very good for fishing but it was bad for the coral habitat. A man called Angel Alcala told the villagers to ban fishing in some areas. They made 2 rules that only Apo island villagers are allowed to fish and they are not allowed to use destructive fishing methods.
In video three the main threat is that the constructions is polluting the ocean which is choking the corals and sea grass that the dugongs eat so they are dying. They are also killed by the boats and they drown from getting tangled in the fishing nets. To fix this problem the government banned certain types of fishing nets and reduced the boat speed.
In the first clip, the main threat in coral reefs is pollution, global warming and over fishing. To help the coral reefs, people nowadays try to help by making coral reefs out of man-made objects.
The main threat in the second clip is destructive fishing method by using dynamite and cyanide. To help preventing from this happening, the law is now banning destructive fishing, but it didn’t work out, so someone named Mr. Angel Alcala was introduced with the idea of the “No Fishing Zone”, which stunningly gained back more fishes in three years’ time.
Pollution from construction to the dugongs was motor boats and fishing nets. Nowadays people helped by banning some fishing nets and a law were introduced about
The first video gives us a general idea of humans polluting in various ways and at the same time, not realizing the destruction we made to the marine life. Although scientists invented artificial reefs, I think that the main factor is us.
The second video focuses on Apo Islands in the Philippines where decades ago, the fishing village faced marine life problems hence their use of destructive fishing. Many years later, they became more aware of a healthy marine life so they made no-fishing areas. They went through the obstacles and now finds themselves successful.
The third video explains to us that another cause of decreasing marine life is because of fishing boats traveling too fast, whereas the net happens to be the problem. The resolution to that problem is a speed limit in seas. And it’s strange.
In conclusion, all of the videos are about humans threat to the sea but most of us are unaware of what we are doing. In my opinion, I think that the best resolution is to discuss them in communities to make people more aware because lots×small changes=BIG change.
First video: The main threats of this video are global warming, pollutions and overfishing which destroys coral reefs and many species of fishes. People also throw rubbish into the sea that fishes think that they are food and eat them. This makes fishes die. Pollution and rubbish are destroying coral reefs more and more everyday. Humans are making artificial reefs from sunken ships and other objects to try to replace the real reefs.
Second video: The main threat in this video is overfishing. In Apo island fishes are
decreasing because of fisher men using destructive fishing methods. The government tried to ban destructive fishing but it didn’t work so Angel Alcala banned some area to not do fishing and made some no fishing zone. Also he made a rule to have no more destructive fishing and this made fishes increase although it took them a long time it still worked.
Third video: The main threat is pollution. All the pollution that humans are making
is destroying the sea grass which the dugongs eat as food. But now they are decreasing this make food for the dugongs more difficult to find. The dugongs are also decreasing from the speedboats and when they get caught in the fishing net and drown. The government had made a law to reduce the boat speed in some areas
and he had banned some type of fishing nets.
In film one, the main ocean threats are people over fishing, global warming and pollution which was caused by people throwing rubbish into the sea. Some marine animals also mistook it for food and ate it which made them die faster. Groups of people who are trying to help made artificial coral reefs out of man-made objects.
In film two, the main threats are people over fishing and also using destructive fishing methods such as using dynamites and cyanide. This decreased the population of fishes and also destroyed coral reefs. A man named Mr. Angel Alcala banned some places from fishing and had more no fishing zones. After that, people came up of two rules for fishing, only Apo islanders are able to do fishing and no destructive fishing methods were allowed.
In film three, the main threats are constructions polluting the ocean, choking the choral reefs and destroying the sea grass which would be eaten by the dugongs (sea cows). Many things were effecting the dugongs such as fishing boats were also going too fast and they were tangled in fishing nets. People fixed the problems by banning some types of fishing nets that would make more injuries to the dugongs and there were speed limits for fishing boats.
Clip 1
The main problems are pollution, global warming and overfishing in some areas. This causes destruction of the coral reef and therefore causes coral species to be endangered. Also fish confuses trash for food and eat them killing them. Their solution for the problems are making artificial reefs.
Clip 2
The problem discussed in this video is destructive fishing, for example using Cyanide or dynamite to fish. The negative effect from destructive fishing caused the coral reef to die therefore decreasing the chance of a fisherman catching fishes. The problem was solved by making part of the reef a ‘marine sanctuary’ or a place where no fishing is allowed. The island’s fishery was restored within 10 years.
Clip 3
The problem was declining dugong (sea cow) population. This is caused by pollution and debris falling on the sea grass which is the dugong’s food supply. Also fishing nets and boats are killing dugongs. The government decided to ban certain types of fishing nets and limit boat speeds.
In the first video clip, there’s 3 main threats; global warming, pollution and over-fishing. People are now making coral reefs with man-made, artificial objects such as from sunken ships.
In the second video, the main threats are harmful ways to catch fish, and once again, over fishing. A man by the name of Angel Alcala tells the villagers to make no fishing zone, which within 3 years, the fishes were once again restored. Two new rules were also created: Fishing is only allowed for the villagers in Abo Island and no destructive fishing methods.
The third video is now about dugongs and sea beds. Pollution affects the sea beds which is the dugongs main source of food. Some then end up in the shore and are trapped with fishing nets, or killed by motorboats. The government then decided to ban certain types of fishing nets and set a speed limit for the boats.
Video 1
The main threats in this video are pollution, global warming and over-fishing. This harms coral reefs and causes many species of fish to become endangered or extinct. Fish also eat the trash we throw into the sea when they mistake them for food. People now use man-made objects to make artificial reefs.
Video 2
This video explores destructive fishing methods in an island called Apo island. These fishing methods include using dynamite and cyanide. The methods made the coral reefs die. The solution to this problem was to make a “marine sanctuary” which is a zone where fishing was banned. Later they changed the rules so that only Apo fishermen were allowed to fish there and so no one used destructive fishing methods there anymore. The coral reef was then restored 10 years later.
Video 3
The problem in this video is the diminishing dugong population.Dugongs are nicknamed as the “sea cow”. This is because all they do all day is eat sea grass.
The pollution ruins the dugong’s main food source. They are also trapped by fishing nets and boats. They send pictures to scientists to determine the cause of death and their habitat. The government then bans certain types of fishing nets and set speed limits for boats
Video 1.
Q 1. the problem they talked about is about pollution, global worming and over fishing all of which destroys the coral reefs which are the home to many fishes.
Q 2. They made new reefs from man-made materials for the fishes to live in.
Video 2.
Q 1. The main ocean threats discussed here is about over fishing viciously with things like dynamite and cyanide which destroys the coral reef and decrease the fish population very rapidly
Q 2. They stop using violent methods to fish and recede to using their original tribal methods. They also arrange an area which they called the “fish Sanctuary” in which they stop all fishing activity and allows the corals and fish to grow. Finally the fish will spread out of that area and their will be more fishes.
Video 3.
Q 1. The main threat is the pollution from boats which then drops down to the ocean floor and stop the grass on the sea bed from flourishing and therefore, there is less food for the dugongs and the green turtles. They also talk about fishing nets which kills the dugongs.
Q 2. They banned some types of fishing nets and they decrease the speed limit for the boats. They also set up some education for the kids to study about the dugongs.
Video 1: The three main threats are over fishing, pollution and global warming. To stop these threats the people are making artificial coral reefs usually made from sunken old ships and old metal things.
Video 2: The two main treats are using explosives for catching fish and again Over fishing. To prevent this a man named Angel Alcala told everyone in the village to make a no fishing zone and after around 3 years the population was raised to back to normal and fishing in the zone was only allowed for the villager but are not allowed to use explosives
Video 3: The Main threats of this video is pollution destroying the sea bed witch is the dugongs foods.
The government bands some typed of fishing nets and setting a speed limit for boats.
Video 1: the main threat is pollution, over fishing and global warming which is destroying the coral reefs.
They tried to solve this by building artificial reefs from sunken ships and other man made things.
Video 2: the main threat is caused by the explosive method fishermens are using to fish.
The villagers fixed this problem by turning one section of the island to a no fishing zone for three years which made the area recover massively.
Video 3: the main threat is the decreasing amount of sea grass beds which is serving as the main food for dugongs or sea cows.
The government is trying to solve this problem by banning some types kf fishing nets and speedboats which are killing the dugongs.
In the first video, the main threats are pollution, over fishing and global warming which harm the coral reefs and fish. People are trying to stop this by using man-made materials to make coral.
The main threats in the second video are people using dynamite and cyanide to fish fish which also destroys the coral. People have made a ‘fish sanctuary’ where the fish and coral can grow peacefully because you are not allowed to fish there and eventually the fish will spread out and people have stopped using dynamite and cyanide to to fish.
In video 3, the main threat is from the pollution of the boats which go down to the sea bed and kills it which means that the dugongs and turtles will have very little to eat. People have decreesed the speed limit for the boats so there will be more food for the dugongs and the turtles.
In the first video, the main threaths are pollution, global warming and over fishing which is destroying the coral reefs and fish. They are trying to stop this by using man made materials to make corals.
In the second video, the main threaths are caused by fishermen using dynamite and cyanide to catch fish which also is destroying the corals. They solved this problem by not letting fishermen fish in one section of the island for three years. Now, fishermen had stop using dynamite and cyanide to fish.
In the third video, the main threath is pollution from the boats that travel down the sea bed and kills the seagrass which means that the dugongs and the turtles won’t have much to eat. The solution is to decrease the speed limit of boats so the dugongs and the turtles will have enough food to eat.
In the first video, the main threats are pollution, over fishing and global warming which harm the coral reefs and fish. human are trying to stop this by using man made materials to make coral
In the second video,The main threats . people using dynamite and cyanide to fish, which also destroys the coral. People have made a ‘fish sanctuary’ where the fish and coral can grow peacefully because you are not allowed to fish there and eventually the fish will spread out and people have stopped using dynamite and cyanide to to fish.
In the third vedio, the main threat is from the pollution of the boats which go down to the sea bed and kills it which means that the dugongs and turtles will have very little to eat.They are also killed by the boats and they drown from getting tangled in the fishing nets.
1)
The main ocean threats are global warming, pollution and over fishing. Sea animals have mistaken it for food which causes them to choke and die. People are trying to make coral reefs out of man made, artificial objects to help them.
2)
The problem was people were using dynamites to fish but they are also damaging the coral reefs. They also banned places not fish.
3)
The final video are talking about the dugongs and sea beds. The pollution affect the sea beds and the dugongs next. This is because dugongs eat them as their main food.
In video 1 the main threats are pollution global warming and overfishing. People are trying to create artificial coral reefs.
In video 2 the people were using dynamites to fish. So some places were banned for fishing.
In video 3 the threats is the that the boats were causing damage so a speed limit was set
In video 1 the threats are pollution and global warming . People are trying to manufacture artificial coral reefs.
In video 2 . people were attacking the
Fish using dynamite
In video 3 the problems were caused boats going to fast so they set a speed limit
In video 1 the main ocean threats are global warming, pollution and over fishing, over fishing and global warming which harm the coral reefs and fish. People are trying to stop this by using man made materials to make coral.
In video 2 the people were using dynamites to fish. So some places were banned for fishing.
The final video are talking about the dugongs and sea beds. The pollution affect the sea beds and the dugongs next. The boats were causing damage so a speed limit was set.
In the first video the main threats are global warming ,pollution and over fishing which harm the coral reefs and fishes. People are trying to stop this by using man made materials to make coral.
In the second video the problem were people are using dynamites to fish but they are also destroying the coral reefs.So some places were banned for fishing.
In the last video is about the pollution are damaging the sea bed so the government banned fishing using net and setting a speed limit for boat.
In the 1st video the main threats are global warming, pollution and fishing.
In the 2nd video the main threats are using dynamites to fish but also destroying the coral reef.
In the 3rd video the main threats are about pollution damaging the sea.
Video 1
In the first section of video one, it talks about fishes and coral reefs. The second part of the video talks about how global warming, pollution and over fishing is a threat to fishes and coral reefs. Although some try to stop this by using man-made and artificial objects, the longness of this isn’t certain.
Video 2
People are using explosive equipment like dynamites to catch fish, but not only is that a problem causing over fishing but it also ruins corals. So they decided to make a ‘fish sanctuary’ (a no fishing zone) so that the fish from there will eventually spread to other places too. Not only that, the corals will be able to grow without anything to harm them, now, there are people going snorkeling there because of the beautiful coral reefs and exotic sea creatures.
Video 3
This video talks about damaged sea beds which causes sea animals to starve, especially sea cows. The sea beds are being destroyed by speed boat going too fast.
Some of the sea cows are found dead on the beach so people take photos of it and get samples to try and find out how they died and why the population has gone down. Soon they found out that some of them died because they don’t have enough sea grass from the sea beds to eat and others died because they got caught in harmful nets.
They try to prevent all these from happening by setting a speed limit to speed boats and banning fishing nets that is able to harm the sea cows.
In the first video, the main threats are pollution, global warming and over fishing which harm the coral reefs. They are trying to stop this by making artificial coral reefs.
In the 2nd video, the main threat is about using things like dynamite to fish, which also damage coral reefs. They tried to ban destructive fishing but it didn’t work so they decided to make NO FISHING ZONE and allows fish and coral reefs to grow.
In the final video, the main threat is pollution from boat falling down to the sea beds, which are dugongs’s and green turtles’s food. Dugong also killed by fishing nets and and boats. The government banned some type of fishing nets and limit the speed.