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  2. Bacteriological water analysis - Wikipedia

    en.wikipedia.org/wiki/Bacteriological_water_analysis

    Bacteriological water analysis is a method of analysing water to estimate the numbers of bacteria present and, if needed, to find out what sort of bacteria they are. It represents one aspect of water quality. It is a microbiological analytical procedure which uses samples of water and from these samples determines the concentration of bacteria ...

  3. Marine microorganisms - Wikipedia

    en.wikipedia.org/wiki/Marine_microorganisms

    Under a magnifier, a splash of seawater teems with microscopic life. Microscopic life undersea is diverse and still poorly understood, such as for the role of viruses in marine ecosystems. [13] Most marine viruses are bacteriophages, which are harmless to plants and animals, but are essential to the regulation of saltwater and freshwater ...

  4. 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 ...

  5. Microorganism - Wikipedia

    en.wikipedia.org/wiki/Microorganism

    A microorganism, or microbe, [a] is an organism of microscopic size, which may exist in its single-celled form or as a colony of cells.. The possible existence of unseen microbial life was suspected from ancient times, such as in Jain scriptures from sixth century BC India.

  6. Aquatic biomonitoring - Wikipedia

    en.wikipedia.org/wiki/Aquatic_biomonitoring

    Water body temperature is one of the most ubiquitous variables collected in aquatic biomonitoring. Temperatures at the water surface, through the water column, and in the lowest levels of the water body (benthic zone) can all provide insight into different aspects of an aquatic ecosystem. Water temperature is directly affected by climate change ...

  7. Phytoplankton - Wikipedia

    en.wikipedia.org/wiki/Phytoplankton

    Phytoplankton are photosynthesizing microscopic protists and bacteria that inhabit the upper sunlit layer of marine and fresh water bodies of water on Earth. Paralleling plants on land, phytoplankton undertake primary production in water, [2] creating organic compounds from carbon dioxide dissolved in the water.

  8. Marine protists - Wikipedia

    en.wikipedia.org/wiki/Marine_protists

    Marine protists are defined by their habitat as protists that live in marine environments, that is, in the saltwater of seas or oceans or the brackish water of coastal estuaries. Life originated as marine single-celled prokaryotes (bacteria and archaea) and later evolved into more complex eukaryotes .

  9. Bacterioplankton counting methods - Wikipedia

    en.wikipedia.org/wiki/Bacterioplankton_counting...

    Bacterioplankton counting is the estimation of the abundance of bacterioplankton in a specific body of water, which is useful information to marine microbiologists. Various counting methodologies have been developed over the years to determine the number present in the water being observed.