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The oceans cover the majority of the Earth's surface; they influence our climate and provide a valuable source of food to billions of people. However, despite its fundamental impact on our lives, many aspects of the marine environment remain a mystery to us. Marine Ecology: Processes, Systems, and Impacts, Second Edition, offers a carefully balanced and stimulating survey of marine ecology, introducing the key processes and systems from which the marine environment is formed and the issues and challenges that surround its future.
Benthic Division 4. A.
Marine ecosystems are the largest of Earth's aquatic ecosystems and are distinguished by waters that have a high salt content.
These systems contrast with freshwater ecosystems, which have a lower salt content. Marine waters cover more than 70% of the surface of the Earth and account for more than 97% of Earth's water supply and 90% of habitable space on Earth.
Marine ecology experts working for the government often give tours, speeches, and seminars to educate the general public about the importance of marine ecosystems and what people can do to better protect them.