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/367718c8-cc3b-4c94-a270-0a278afabb43 REEF Date=2016-06-14 User Id=gee-cee Entity=NarrowerRelation Operation=INSERT User Note=Insert Concept System Note=add narrower relation New Value=REEF HABITAT [367718c8-cc3b-4c94-a270-0a278afabb43,84267] - CORAL REEF [fa3bc02d-31a7-4456-b716-a8b8f8393c86,188233] Date=2016-06-14 User Id=gee-cee Entity=Definition Operation=UPDATE Field=reference System Note=update Definition Old Value=Adapted from Matthew Lerman, Marine Biology, 1986, The Benjamin/Cummings Publishing Company, Inc., Menlo Park, California. New Value=Adapted from Matthew Lerman, Marine Biology, 1986, The Benjamin/Cummings Publishing Company, Inc., Menlo Park, California. Date=2016-06-14 User Id=gee-cee Entity=Definition Operation=UPDATE Field=text System Note=update Definition Old Value=The coral reef habitat is a unique shallow water community of organisms living on limestone rock that was built by some of the reef organisms. New Value=The coral reef habitat is a unique shallow water community of organisms living on limestone rock that was built by some of the reef organisms. Date=2016-06-14 User Id=gee-cee Entity=BroaderRelation Operation=DELETE User Note=Move Concepts System Note=delete broader relation Old Value=REEF HABITAT [367718c8-cc3b-4c94-a270-0a278afabb43,84267] - AQUATIC ECOSYSTEMS [c6455081-132d-4661-bb5f-22edf2f90800,84251] Date=2016-07-12 User Id=gee-cee Entity=PrefLabel Operation=UPDATE Field=text System Note=update PrefLabel Old Value=REEF HABITAT New Value=REEF Date=2016-06-14 User Id=gee-cee Entity=NarrowerRelation Operation=INSERT User Note=Insert Concept System Note=add narrower relation New Value=REEF HABITAT [367718c8-cc3b-4c94-a270-0a278afabb43,84267] - OYSTER REEF [758c00c3-03a3-4cef-9248-ab392d789148,188235] Date=2016-06-14 User Id=gee-cee Entity=BroaderRelation Operation=INSERT User Note=Move Concepts System Note=add broader relation New Value=REEF HABITAT [367718c8-cc3b-4c94-a270-0a278afabb43,84267] - MARINE HABITAT [f6350232-b1c7-458c-bc43-bda357ebb6db,84271] The coral reef habitat is a unique shallow water community of organisms living on limestone rock that was built by some of the reef organisms. 2016-07-12 10:00:02.0