Aquatic ecology. Phosphorus, the staff of life.
Karl
D M
DM
D017753:Ecosystem; D005618:Fresh Water; D009656:North America; D010758:Phosphorus / Q000032:analysis* / Q000502:physiology; D010839:Phytoplankton / Q000378:metabolism; D014871:Water Microbiology
D010758:Phosphorus