Table 3.
Correlation analyses between average BSI and the percentage of different rodent groups
| |
Before 2.75 Ma |
After 2.75 Ma |
||
|---|---|---|---|---|
| r | p * | r | p * | |
|
% Sciuridae |
−0.545 |
0.036 |
0.112 |
0.562 |
|
% Gliridae |
0.346 |
0.206 |
0.052 |
0.790 |
|
% Castoridae |
0.250 |
0.368 |
0.220 |
0.251 |
|
% Arvicolinae |
0.711 |
0.003 |
−0.537 |
0.003 |
|
% Cricetinae |
−0.054 |
0.849 |
0.095 |
0.625 |
|
% Gerbillinae |
−0.628 |
0.012 |
(na) † |
(na) † |
|
% Murinae |
−0.367 |
0.178 |
0.309 |
0.103 |
| % Hystricidae | 0.133 | 0.636 | 0.333 | 0.077 |
* Bold, significant correlations.
† na, not available (there are no species).
Coefficients and their significance for each group in the fossil sites before (N = 15) and after (N = 29) the onset of the Pleistocene glaciations at 2.75 Ma.