Recurrent and Long-Term Oceanic Anoxia Contributed to Aborted Biotic Recovery Following the Permian–Triassic Crisis
Simple Summary
Abstract
1. Introduction
2. Samples and Methods
2.1. Sample Information
2.2. Methods
3. Results and Discussion
3.1. Redox Conditions During the Permian–Triassic Crisis
3.2. Biotic Recovery During the Early Triassic
4. Conclusions
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Acknowledgments
Conflicts of Interest
References
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| Sample | Formation | FePy (%) | δ13Corg (‰) | δ34S (‰) | V/(V + Ni) |
|---|---|---|---|---|---|
| JD-1 | Gufeng | 0.05 | −26.90 | −30.1 | 0.76 |
| JD-2 | Gufeng | 0.00 | −27.23 | / | 0.90 |
| JD-3 | Gufeng | 0.00 | −27.83 | / | 0.96 |
| JD-4 | Gufeng | 0.00 | −25.83 | / | 0.88 |
| JD-5 | Longtan | 0.02 | −24.86 | / | 0.82 |
| JD-6 | Dalong | 0.03 | −26.88 | / | 0.91 |
| JD-7 | Dalong | 0.03 | −27.10 | / | 0.93 |
| JD-8 | Dalong | 0.00 | −26.09 | / | 0.74 |
| JD-9 | Dalong | 0.00 | −25.83 | / | 0.81 |
| JD-10 | Dalong | 0.01 | −24.56 | / | 0.74 |
| JD-11 | Dalong | 0.02 | −27.01 | / | 0.60 |
| JD-12 | Yinkeng | 0.01 | −25.40 | / | 0.58 |
| JD-13 | Yinkeng | 0.01 | −23.95 | / | 0.67 |
| JD-14 | Yinkeng | 0.01 | −24.00 | / | 0.74 |
| JD-15 | Yinkeng | 0.01 | −24.74 | / | 0.71 |
| JD-16 | Yinkeng | 0.01 | −25.48 | / | 0.74 |
| JD-17 | Yinkeng | 0.01 | −25.94 | / | 0.72 |
| JD-18 | Yinkeng | 0.01 | −26.14 | / | 0.76 |
| JD-19 | Yinkeng | 0.01 | −26.61 | / | 0.74 |
| JD-20 | Yinkeng | 0.01 | −25.43 | 15.7 | 0.60 |
| JD-21 | Yinkeng | 0.02 | −25.58 | / | 0.72 |
| JD-22 | Yinkeng | 0.04 | −27.14 | / | 0.77 |
| JD-23 | Yinkeng | 0.03 | −29.02 | / | 0.81 |
| JD-24 | Yinkeng | 0.03 | −27.63 | / | 0.74 |
| JD-25 | Yinkeng | 0.03 | −28.36 | / | 0.71 |
| JD-26 | Yinkeng | 0.03 | −25.73 | / | 0.66 |
| JD-27 | Helongshan | 0.03 | −26.21 | / | 0.69 |
| JD-28 | Helongshan | 0.03 | −25.37 | / | 0.75 |
| JD-29 | Helongshan | 0.05 | −29.28 | −6.0 | 0.71 |
| JD-30 | Helongshan | 0.11 | −25.61 | 18.9 | 0.42 |
| JD-31 | Nanlinghu | 0.15 | −25.89 | 9.3 | 0.84 |
| JD-32 | Nanlinghu | 0.68 | −23.83 | 14.6 | 0.51 |
| JD-33 | Nanlinghu | 0.21 | −25.37 | 25.7 | 0.67 |
| JD-34 | Nanlinghu | 1.54 | −26.46 | 7.1 | 0.70 |
| JD-35 | Nanlinghu | 0.71 | −27.66 | −2.4 | 0.82 |
| JD-36 | Nanlinghu | 0.66 | −26.26 | 15.2 | 0.83 |
| JD-37 | Nanlinghu | 0.50 | −26.88 | 14.7 | 0.74 |
| JD-38 | Nanlinghu | 0.04 | −27.11 | 34.2 | 0.23 |
| JD-39 | Nanlinghu | 0.06 | −26.68 | 8.9 | 0.20 |
| JD-40 | Nanlinghu | 0.66 | −25.47 | 15.8 | 0.64 |
| JD-41 | Nanlinghu | 1.59 | −29.36 | −14.7 | 0.74 |
| JD-42 | Nanlinghu | 0.36 | −25.46 | 18.8 | 0.70 |
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Li, W.; Yuan, B. Recurrent and Long-Term Oceanic Anoxia Contributed to Aborted Biotic Recovery Following the Permian–Triassic Crisis. Biology 2026, 15, 237. https://doi.org/10.3390/biology15030237
Li W, Yuan B. Recurrent and Long-Term Oceanic Anoxia Contributed to Aborted Biotic Recovery Following the Permian–Triassic Crisis. Biology. 2026; 15(3):237. https://doi.org/10.3390/biology15030237
Chicago/Turabian StyleLi, Wenhao, and Bowei Yuan. 2026. "Recurrent and Long-Term Oceanic Anoxia Contributed to Aborted Biotic Recovery Following the Permian–Triassic Crisis" Biology 15, no. 3: 237. https://doi.org/10.3390/biology15030237
APA StyleLi, W., & Yuan, B. (2026). Recurrent and Long-Term Oceanic Anoxia Contributed to Aborted Biotic Recovery Following the Permian–Triassic Crisis. Biology, 15(3), 237. https://doi.org/10.3390/biology15030237

