Table 2.
Net diversification rates (speciation rate S – extinction rate E) and the extinction fraction (a = E/S) for 12 clades and groups of Arabideae calculated with BayesRate v. 1·4
| ITS |
trnL-F |
|||
|---|---|---|---|---|
| Net diversification rates | Extinction fraction (%) | Net diversification rates | Extinction fraction (%) | |
| Perennial clades/groups | ||||
| Core Draba | 0·402/0·894 (0·873)/1·402 | 17·8/46·0/71·8 | 0·304/0·641 (0·630)/0·998 | 15·0/43·0/69·6 |
| Main Arabis clade | 0·136/0·495 (0·469)/0·895 | 20·5/54·1/86·2 | 0·120/0·386 (0·365)/0·701 | 17·7/50·8/83·4 |
| Aubrieta clade | (0·072/0·977 (0·855)/2·149)* | 18·7/55·2/91·9 | 0·024/0·379 (0·333)/0·833 | 22·2/59·0/94·2 |
| Scapiarabis clade | 0·011/0·207 (0·182)/0·457 | 16·1/52·6/90·3 | 0·004/0·116 (0·099)/0·269 | 27·3/64·2/97·1 |
| Perennials of the A. alpina clade | (0·023/0·928 (0·758)/2·274)* | 23·3/60·8/96·0 | 0·010/0·334 (0·279)/0·795 | 20·8/57·2/94·4 |
| A. nord-manniana clade | (0·007/1·056 (0·802)/2·833)* | 27·2/64·7/97·5 | (0·006/0·892 (0·623)/2·601)* | 26·6/64·0/97·4 |
| Annual clades | ||||
| Tomostima clade | 0·009/0·218 (0·190)/0·483 | 20·5/57·2/93·6 | 0·010/0·210 (0·179)/0·481 | 18·6/55·9/92·2 |
| A. auriculata clade | 0·000/0·198 (0·128)/0·616 | 27·5/64·4/97·9 | 0·000/0·062 (0·042)/0·184 | 29·4/66·1/98·6 |
| A. aucheri clade | (0·000/0·475 (0·214)/1·881)* | 26·4/63·0/97·6 | (0·000/0·657 (0·269)/2·615)* | 25·5/62·9/96·8 |
| Arabideae | 0·177/0·381 (0·373)/0·591 | 56·1/74·0/89·3 | 0·196/0·393 (0·378)/0·603 | 32·3/56·8/79·5 |
| Annuals | 0·039/0·153 (0·147)/0·274 | 18·3/53·0/86·6 | 0·043/0·143 (0·137)/0·252 | 12·8/45·8/79·5 |
| perennials | 0·209/0·443 (0·434)/0·690 | 50·6/70·6/88·2 | 0·203/0·419 (0·411)/0·643 | 29·8/55·3/79·1 |
Mean values are indicated in bold, median values in parentheses; the lower and upper bounds of the 95 % highest posterior density (HPD) interval are given before and after these values, respectively.
* Large 95 % HPD intervals make these estimates less reliable.