
A macrophyte is an aquatic plant that grows in or near water and is either emergent, submergent, or floating. In lakes macrophytes provide cover for fish and substrate for aquatic invertebrates, produce oxygen, and act as food for some fish and wildlife. ==As watershed health indicators== A decline in a macrophyte population may indicate water qua...
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http://en.wikipedia.org/wiki/Macrophyte

(from the article `inland water ecosystem`) ...Figure 4. Included are the plankton, which contains tiny floating plants (phytoplankton) and animals (zooplankton) as well as microbes (see marine ...
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http://www.britannica.com/eb/a-z/m/6

<botany> A member of the macroscopic plant life of an area, especially of a body of water, large aquatic plant, the term aquatic macrophyte has no taxonomic significance. ... (09 Oct 1997) ...
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http://www.encyclo.co.uk/local/20973

An individual alga large enough to be seen easily with the unaided eye
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https://www.encyclo.co.uk/local/20125
No exact match found.