title: First U.S. ecosystems analysis reveals data gaps.
authors.forename: Kellyn S
authors.initials: KS
authors.lastname: Betts
mesh_terms: D003625:Data Collection; D017753:Ecosystem; D004777:Environment; D004784:Environmental Monitoring; D004785:Environmental Pollutants / Q000009:adverse effects / Q000032:analysis; D014481:United States
chemical_list: D004785:Environmental Pollutants