https://cdn.earthdata.nasa.gov/conduit/upload/5182/KeywordsCommunityGuide_Baseline_v1_SIGNED_FINAL.pdf 23.8 2026-04-29T10:52:37.449Z https://gcmd.earthdata.nasa.gov/KeywordViewer/scheme/sciencekeywords/a14cfe48-9554-4e7c-9a2b-bf72834eafba DIATOMS Date=2017-03-15 User Id=mgenazzi Entity=Definition Operation=INSERT User Note=Definition added System Note=insert Definition New Value=id: null text: "Diatoms are algae of the Phylum Ochrista that lack flagella. They have a jewel-like appearance. They play an extremely important role in aquatic food webs in that they are the second most abundant component of marine plankton (after blue-green algae). language code: en Date=2017-03-15 User Id=mgenazzi Entity=Definition Operation=UPDATE Field=reference User Note=Definition updated System Note=update Definition Old Value="Diatoms are algae of the Phylum Ochrista that lack flagella. They have a jewel-like appearance. They play an extremely important role in aquatic food webs in that they are the second most abundant component of marine plankton (after blue-green algae). New Value=Gould, J. and W.Keaton. 1996. Biological Science. W.W. Norton and Company. New York, New York. 'Diatoms are algae of the Phylum Ochrista that lack flagella. They havea jewel-like appearance. They play an extremely important role inaquatic food webs in that they are the second most abundant component ofmarine plankton (after blue-green algae). 2017-03-15 11:24:25.0