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2. Ocean surface ecosystem - Wikipedia

   en.wikipedia.org/wiki/Ocean_surface_ecosystem

   Life histories connect disparate ecosystems; species that live at the surface during one life history stage may occupy the deep sea, benthos, reefs, or freshwater ecosystems during another. A diversity of fish species utilize the ocean's surface, [119] either as adults or as nursery habitat for eggs and young. In contrast, species floating on ...

3. Marine ecosystem - Wikipedia

   en.wikipedia.org/wiki/Marine_ecosystem

   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

4. Sustainable Development Goal 14 - Wikipedia

   en.wikipedia.org/wiki/Sustainable_Development...

   Sustainable Development Goal 14 (Goal 14 or SDG 14) is about "Life below water" and is one of the 17 Sustainable Development Goals established by the United Nations in 2015. . The official wording is to "Conserve and sustainably use the oceans, seas and marine resources for sustainable development".

5. Marine life - Wikipedia

   en.wikipedia.org/wiki/Marine_life

   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 ...

6. Aquatic ecosystem - Wikipedia

   en.wikipedia.org/wiki/Aquatic_ecosystem

   An aquatic ecosystem is an ecosystem found in and around a body of water, in contrast to land-based terrestrial ecosystems.Aquatic ecosystems contain communities of organisms—aquatic life—that are dependent on each other and on their environment.

7. Underwater environment - Wikipedia

   en.wikipedia.org/wiki/Underwater_environment

   Furthermore, given that water is a good thermal insulator (due to its heat capacity), some frozen lakes might not completely thaw in summer. [17] The layer of ice that floats on top insulates the water below. [18] Water at about 4 °C (39 °F) also sinks to the bottom, thus keeping the temperature of the water at the bottom constant (see diagram).

8. Human impact on marine life - Wikipedia

   en.wikipedia.org/wiki/Human_impact_on_marine_life

   This decomposition process consumes oxygen, depleting the supply for other marine life and creating what is referred to as a "dead zone." Dead zones are hypoxic, meaning the water has very low levels of dissolved oxygen. This kills off marine life or forces it to leave the area, removing life from the area and giving it the name dead zone.

9. Water cycle - Wikipedia

   en.wikipedia.org/wiki/Water_cycle

   The effects of climate change on the water cycle have important negative effects on the availability of freshwater resources, as well as other water reservoirs such as oceans, ice sheets, the atmosphere and soil moisture. The water cycle is essential to life on Earth and plays a large role in the global climate system and ocean circulation.