Table S3.
Land cover trends for recently hypoxic, naturally hypoxic, and benchmark sites
| Urban | Cultivated | Pastured | Total | ||||||
| Hypoxicity | τ | n | τ | n | τ | n | N | Period | |
| Recently hypoxic | +0.67 | 31 | −0.29 | 40 | −0.35 | 47 | 51 | CE 1900–2010 | |
| Naturally hypoxic | +0.49 | 29 | −0.18 | 52 | −0.14 | 79 | 97 | ||
| Benchmark | +0.44 | 543 | −0.14 | 674 | −0.27 | 1,143 | 1,459 | ||
| Recently hypoxic | +0.92 | 24 | +0.76 | 45 | +0.22 | 45 | 51 | CE 1700–2000 | |
| Naturally hypoxic | +0.91 | 31 | +0.73 | 78 | +0.42 | 72 | 97 | ||
| Benchmark | +0.91 | 558 | +0.70 | 1,270 | +0.55 | 1,245 | 14,59 | ||
M-K test results are presented for recent (CE 1900–2010) and long-term (CE 1700–2000) periods. A positive score (red) indicates an increasing trend. Decreasing trends are shown in blue.