Table 1 Effect sizes for Jaccard similarity across 30,000 ybp.
From: Late quaternary biotic homogenization of North American mammalian faunas
Metric | Time bin | Effect size |
|---|---|---|
Jaccard similarity (all species) | 30,000–25,000 | −0.68 |
25,000–20,000 | −1.00 | |
20,000–15,000 | −1.11 | |
15,000–10,000 | 0.33 | |
10,000–5,000 | 0.23 | |
5,000–500 | 5.28* | |
Modern | 14.35* | |
Jaccard similarity (east of Rocky Mountains) | 30,000–25,000 | 0.14 |
25,000–20,000 | −0.74 | |
20,000–15,000 | −0.86 | |
15,000–10,000 | −0.09 | |
10,000–5,000 | 0.61 | |
5,000–500 | 3.67* | |
Modern | 14.85* | |
Jaccard similarity (south of 49th parallel) | 30,000–25,000 | −0.71 |
25,000–20,000 | −0.61 | |
20,000–15,000 | −0.99 | |
15,000–10,000 | 0.17 | |
10,000–5,000 | 0.08 | |
5,000–500 | 5.08* | |
Modern | 10.80* | |
Jaccard similarity (no extinct species) | 30,000–25,000 | −0.75 |
25,000–20,000 | −0.91 | |
20,000–15,000 | −0.99 | |
15,000–10,000 | 0.45 | |
10,000–5,000 | 0.05 | |
5,000–500 | 5.40* | |
Modern | 13.13* | |
Jaccard similarity (species > 1 kg) | 30,000–25,000 | −1.00 |
25,000–20,000 | −1.40 | |
20,000–15,000 | −2.34 | |
15,000–10,000 | −1.51 | |
10,000–5,000 | 2.58* | |
5,000–500 | 12.51* | |
Modern | 21.67* | |
Jaccard similarity (species > 5 kg) | 30,000–25,000 | −1.47 |
25,000–20,000 | −2.49 | |
20,000–15,000 | −2.52 | |
15,000–10,000 | −0.86 | |
10,000–5,000 | 3.46* | |
5,000–500 | 18.13* | |
Modern | 25.66* |
