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The ocean can be described as the world's largest ecosystem and it is home for many species of marine life. Different activities carried out and caused by human beings such as global warming, ocean acidification, and pollution affect marine life and its habitats.
Marine ecosystems can be divided into many zones depending upon water depth and shoreline features. The oceanic zone is the vast open part of the ocean where animals such as whales, sharks, and tuna live. The benthic zone consists of substrates below water where many
While marine pollution can be obvious, as with the marine debris shown above, it is often the pollutants that cannot be seen that cause most harm.. Marine pollution occurs when substances used or spread by humans, such as industrial, agricultural and residential waste, particles, noise, excess carbon dioxide or invasive organisms enter the ocean and cause harmful effects there.
Natural causes can be from oil that leaks out from the ocean floor into the water; erosion of the seafloor; or even climate change. The amount that naturally seeps into the ocean is 181 million gallons, which varies yearly. [97] Oil Rig in the North Sea. Anthropogenic causes involve human activities and is how most oil enters the ocean.
Excessive water use has also caused intermittent streams to become more dry, which is dangerous because they are extremely important for water purification and habitat. [17] Other ways humans impact the hydrosphere include eutrophication , acid rain , and ocean acidification .
Salt water from the ocean is an option for fighting L.A.'s fires, but it's more complicated than simply going to the beach to transport water to the hillsides. ... People. Venus conjunct Saturn in ...
The historically low water levels have affected hundreds of thousands of people and wildlife and, with experts predicting the drought could last until early 2024, the problems stand to intensify ...
Marine life, sea life or ocean life is the collective ecological communities that encompass all aquatic animals, plants, algae, fungi, protists, single-celled microorganisms and associated viruses living in the saline water of marine habitats, either the sea water of marginal seas and oceans, or the brackish water of coastal wetlands, lagoons ...