Subjects: NITROGEN cycle; SHIELDS (Geology); SEDIMENTARY rocksCALIFORNIA
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Subjects: FOOD chains; BIOGEOCHEMICAL cycles; MICROBIAL diversity
Subjects: MANGROVE plants; COMMUNITIES; MANGROVE ecologyCHINA
Subjects: NITROGEN fixation; BIOGEOCHEMICAL cycles; NITROGEN-fixing bacteria
Subjects: BIOGEOCHEMICAL cycles; FRESH water; SEDIMENTS
Subjects: DENITRIFICATION; TRENCHES; DENITRIFYING bacteria
Subjects: ENVIRONMENTAL sciences; ENVIRONMENTAL protection; DAILY, Gretchen C., 1964-
Subjects: HEAVY oil; PETROLEUM reservoirs; MICROBIAL diversitySAN Diego (Calif.); CHINA
Subjects: NITROGEN cycle; BIOGEOCHEMICAL cycles; MARINE sediments
Subjects: HEXOSAMINIDASE; CHITIN; GLYCOSIDASES