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  2. Mangrove forest - Wikipedia

    en.wikipedia.org/wiki/Mangrove_forest

    Mangrove plants require a number of physiological adaptations to overcome the problems of low environmental oxygen levels, high salinity, and frequent tidal flooding.Each species has its own solutions to these problems; this may be the primary reason why, on some shorelines, mangrove tree species show distinct zonation.

  3. Bioturbation - Wikipedia

    en.wikipedia.org/wiki/Bioturbation

    Walrus bioturbations in Arctic benthic sediments have large-scale ecosystem effects. [ 1 ] Bioturbation is defined as the reworking of soils and sediments by animals or plants. It includes burrowing, ingestion, and defecation of sediment grains. Bioturbating activities have a profound effect on the environment and [ 2 ] are thought to be a ...

  4. Seagrass meadow - Wikipedia

    en.wikipedia.org/wiki/Seagrass_meadow

    Seagrass meadows provide coastal storm protection by the way their leaves absorb energy from waves as they hit the coast. They keep coastal waters healthy by absorbing bacteria and nutrients, and slow the speed of climate change by sequestering carbon dioxide into the sediment of the ocean floor.

  5. Photosynthetic efficiency - Wikipedia

    en.wikipedia.org/wiki/Photosynthetic_efficiency

    Fraction of light energy converted into chemical energy during photosynthesis in plants and algae. The photosynthetic efficiencyis the fraction of light energy converted into chemical energyduring photosynthesisin green plants and algae. Photosynthesis can be described by the simplified chemical reaction. 6 H2O + 6 CO2+ energy → C6H12O6+ 6 O2.

  6. Photosynthesis - Wikipedia

    en.wikipedia.org/wiki/Photosynthesis

    Photosynthesis (/ ˌfoʊtəˈsɪnθəsɪs / FOH-tə-SINTH-ə-sis) [ 1 ] is a system of biological processes by which photosynthetic organisms, such as most plants, algae, and cyanobacteria, convert light energy, typically from sunlight, into the chemical energy necessary to fuel their metabolism.

  7. Photic zone - Wikipedia

    en.wikipedia.org/wiki/Photic_zone

    The photic zone (or euphotic zone, epipelagic zone, or sunlight zone) is the uppermost layer of a body of water that receives sunlight, allowing phytoplankton to perform photosynthesis. It undergoes a series of physical, chemical, and biological processes that supply nutrients into the upper water column. The photic zone is home to the majority ...

  8. Eutrophication - Wikipedia

    en.wikipedia.org/wiki/Eutrophication

    t. e. Eutrophication is a general term describing a process in which nutrients accumulate in a body of water, resulting in an increased growth of microorganisms that may deplete the water of oxygen. [ 1 ][ 2 ] Eutrophication may occur naturally or as a result of human actions. Manmade, or cultural, eutrophication occurs when sewage, industrial ...

  9. Terrestrial biological carbon cycle - Wikipedia

    en.wikipedia.org/wiki/Terrestrial_biological...

    Terrestrial biological carbon cycle. Interconnection between carbon, hydrogen and oxygen cycle in metabolism of photosynthesizing plants. The carbon cycle is an essential part of life on Earth. About half the dry weight of most living organisms is carbon. [citation needed] It plays an important role in the structure, biochemistry, and nutrition ...