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Keyword
- Black Sea1
- Earth system model1
- Green Lake1
- Permian-Triassic boundary1
- anaerobic1
- archaeal lipids1
- bacteriohopanepolyols1
- biogeochemistry1
- biomarker1
- carotenoid1
- coal bed methane1
- cyanobacteria1
- euxinia1
- geochemistry1
- halophilic archaea1
- hopanoid1
- hydrocarbon biodegradation1
- hydrogen sulfide1
- isoprenoids1
- mass extinction1