Table 1. The structure of the empirical trophic networks in North American ecosystems before and after the K/Pg extinction event.
“Maximum” and “mean” are the maximum and mean values of the non-null partial correlation coefficients.
Campanian | Maastrichtian | Danian | |
---|---|---|---|
Undirected edges | 43 | 34 | 33 |
Overall network connectance | 0.41 | 0.32 | 0.42 |
Maximum | 0.37 | 0.53 | 0.35 |
Mean | 0.12 | 0.10 | 0.15 |
Centrality score | 0.79 | 0.65 | 0.85 |