Table 1.
Relationships between pollen morphospecies richness, temperature and atmospheric CO2.
| r (±s.e.m.) | |
|---|---|
| z distribution | |
| richness versus CO2 | 0.86 ± 0.008 |
| richness versus benthic δ18O | −0.45 ± 0.03 |
| richness versus global surface temperature | 0.44 ± 0.03 |
| richness versus tropical sea surface temperature | 0.41 ± 0.03 |
| CO2 versus global surface temperature | 0.29 ± 0.03 |
| first difference + z distribution | |
| richness versus CO2 | 0.47 ± 0.02 |
| richness versus global surface temperature | 0.10 ± 0.03 |
| CO2 versus global surface temperature | 0.06 ± 0.03 |