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13 Factors That Cause Ocean Damage And Its Explanations

Lecturer - dosenpendidikan.co.id - In the case of the sea is a collection of saltwater in a number of which is fairly large and broad that inundate and divide land over continents or islands. So in this case the sea is water that covers a very large land surface and generally contains salt and tastes of salt. Which usually flows on land that will flow into the sea.

Types of Seawater

According to the process of occurrence, there are several types of seas on this earth and according to the process of occurrence we recognize the existence of sea transgression, ocean ingression and sea regressions. For more details from each refer to the following description.

Transgression Sea
Transgression sea is a sea that occurs due to changes in sea level positively (extensively). This surface change occurs due to rising sea levels or land that falls, so that parts of the low land are inundated by sea water. In this change occurred during the ice age, for example this type of sea is the Java Sea, Arafuru Sea and North Sea.

Ingresi Sea
Ingresi Sea is a sea that occurs due to land subsidence on the seabed. Therefore this sea is often referred to as a land sea dropped. Land subsidence on the seabed will form the bottom of the sea and sea troughs. Lubuk laut or basin is a decline in the sea floor that is round. For example lubuk Sulu, Lubuk Sulawesi and Lubuk Caribbean. While the Sea Trench or trog is a decrease in the bottom of the sea that looks elongated. For example the Mindanau Trench which has a depth of around 1,085 m, the Sunda Trench which has a depth of around 7,450 m and the Mariana Trench which has a depth of around 10,683 (the deepest in the world).

Sea of ​​Regression
Regression sea is a narrow sea. The narrowing occurs because of the deposition by rocks (sand, mud and others) that are carried by the rivers which empties into the sea. Narrowing of the sea occurs in the north coast of Java.

Factors Causing Ocean Damage
Here are some of the causes of sea damage listed on voi.co.id,  including:

Coral reefs that live on the seabed which is a pretty beautiful scenery. Many tourists dive just to be able to see it, unfortunately in this case not a few of them touch and even bring home the coral reef. In fact, just one touch can kill coral reefs.
By throwing trash into the sea and to the beach this can pollute sea water.
Maybe in this case not many people are aware, in the use of artificial fertilizers and pesticides on agricultural land, it also damages the coral reefs in the ocean.
Because even though the distance between agriculture and the coast is very far, chemical residues from artificial fertilizers and pesticides will eventually be discharged into the sea through rain water that falls on agricultural land.
The shaft uses water, because the more water used, the more waste water is produced and eventually flows into the sea. The waste water usually contains chemicals.
Coral reefs are very popular tourist destinations. The ship will traffic in the waters, throwing anchors on the coast will inadvertently damage the coral reef beneath.
Mining of sand or rocks in the sea and the construction of settlements on the coast also damage the life of coral reefs. Waste and population from community activities on the coast indirectly impact the life of coral reefs. In addition, there are many who take coral for building materials and aquarium decoration.
There are still many who catch fish in the sea by using cyanide bombs and poisons, this is very deadly to coral reefs.
Apart from human activities, damage to coral reefs also comes from fellow living creatures in the sea, drupella snails are one of the perdator for coral reefs.
Deforestation on eroded sediments can reach coral reefs around river mouths, resulting in turbidity that inhibits the diffusion of oxygen into polyps or coral animals.
Dredging around coral reefs increases turbidity that disturbs coral growth.
Catching ornamental fish by using toxic materials (for example potassium cyanide) which causes fish to faint, kill corals and invertebrate biota.
In fishing with explosives can kill fish without discrimination, corals and invertebrate invertebrate biota.
Thus the discussion of the 13 Factors that Cause Ocean Damage and Explanation 


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