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  2. Marine ecosystem - Wikipedia

    en.wikipedia.org/wiki/Marine_ecosystem

    Actual salinity varies among different marine ecosystems. [4] 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 invertebrates live.

  3. Marine coastal ecosystem - Wikipedia

    en.wikipedia.org/wiki/Marine_coastal_ecosystem

    A marine coastal ecosystem is a marine ecosystem which occurs where the land meets the ocean. Worldwide there is about 620,000 kilometres (390,000 mi) of coastline. Coastal habitats extend to the margins of the continental shelves, occupying about 7 percent of the ocean surface area.

  4. Pelagic zone - Wikipedia

    en.wikipedia.org/wiki/Pelagic_zone

    The pelagic zone refers to the open, free waters away from the shore, where marine life can swim freely in any direction unhindered by topographical constraints. The oceanic zone is the deep open ocean beyond the continental shelf , which contrasts with the inshore waters near the coast , such as in estuaries or on the continental shelf.

  5. List of marine ecoregions - Wikipedia

    en.wikipedia.org/wiki/List_of_marine_ecoregions

    The following is a list of marine ecoregions, as defined by the WWF and The Nature Conservancy. The WWF/Nature Conservancy scheme groups the individual ecoregions into 12 marine realms, which represent the broad latitudinal divisions of polar, temperate, and tropical seas, with subdivisions based on ocean basins.

  6. Marine ecoregion - Wikipedia

    en.wikipedia.org/wiki/Marine_ecoregion

    This system has a strong biogeographic basis, but was designed to aid in conservation activities for marine ecosystems. Its subdivisions include both the seafloor and shelf pelagic biotas of each marine region. [1] The digital ecoregions layer is available for download as an ArcGIS Shapefile. [2]

  7. Marine habitat - Wikipedia

    en.wikipedia.org/wiki/Marine_habitat

    A marine habitat is a habitat that supports marine life. Marine life depends in some way on the saltwater that is in the sea (the term marine comes from the Latin mare, meaning sea or ocean). A habitat is an ecological or environmental area inhabited by one or more living species. [1] The marine environment supports many kinds of these habitats.

  8. Tropical salt pond ecosystem - Wikipedia

    en.wikipedia.org/wiki/Tropical_salt_pond_ecosystem

    Mangroves are often found near or around salt ponds because of their ability to exist in an ecosystem with high salinity, low dissolved oxygen levels, brackish water, and extreme temperatures. Mangroves’ unique prop roots function as a barrier to the salt water, limiting water loss, and acting as a snorkel for oxygen and nutrients.

  9. Marine biogeochemical cycles - Wikipedia

    en.wikipedia.org/wiki/Marine_biogeochemical_cycles

    Marine biogeochemical cycles are biogeochemical cycles that occur within marine environments, that is, in the saltwater of seas or oceans or the brackish water of coastal estuaries. These biogeochemical cycles are the pathways chemical substances and elements move through within the marine environment.