TABLE 1. Taxa used in Coexistence Approach analysis (CoA). C.Form= Citronelle Formation combined sites, H=HMR site, LS=Lamberts Station site, PP=Perdido Park site, RB=Red Bluff site, Sc=Scarborough site, Organs recognized per taxon: P=pollen, L=leaf, F=fruit, C=catkin.
TABLE 2. Taxa used in Bioclimatic Analysis/Mutual Climate Range Technique (BA/MCRT).
| Acer rubrum | Castanea sp. | Liquidambar styraciflua | Platanus occidentalis | Quercus sp. |
| Acer saccharinum | Clethra sp. | Liriodendron | Platanus sp. | Rhus sp. |
| Acer sp . | Cornus sp. | Liriodendron tulipifera | Populus deltoides | Salix sp. |
| Alnus sp. | Crataegus sp. | Magnolia sp. | Populus sp. | Sassafras sp. |
| Betula nigra | Cyrilla racemiflora | Myrica sp. | Ptelea trifoliate | Taxodium distichum |
| Betula sp. | Fagus sp. | Nyssa aquatica | Pterocarya sp. | Ulmus sp. |
| Carpinus caroliniana | Fraxinus sp. | Nyssa sp. | Quercus falcata | Vaccinium sp. |
| Carya aquatica | Gordonia sp. | Persea sp. | Quercus nigra | |
| Carya sp. | Ilex sp. | Planera aquatica | Quercus virginiana |
TABLE 3. CLAMP scoring of Citronelle Formation sites.
TABLE 4. Coexistence Approach analysis (CoA) results and modern value comparisons. MAP, PWTM, PRDM, PWMM results are in mm/year. C.Form= Citronelle Formation combined sites, H=HMR site, LS=Lamberts Station site, PP=Perdido Park site, RB=Red Bluff site, Sc=Scarborough site , Baton Rouge, Mobile, and Pensacola are modern sites. See text for details.
| Site | MAT °C | CMMT °C | WMMT °C | MAP | PWTM | PDRM | PWMM |
| C.Form | 14.4-20.8 | 4.3-12.6 | 25.6-27.9 | 1122-1250 | 142-146 | 50-55 | 99-142 |
| HMR | 13.6-21.1 | 4.3-13.3 | 25.6-27.9 | 961-1355 | 109-195 | 50-55 | 99-176 |
| LS | 13.3-21.1 | -0.1-12.6 | 25.6-27.9 | 897-1258 | 109-146 | 50-55 | 84-142 |
| PP | 14.4-21.1 | 3.7-13.3 | 25.6-28.1 | 1122-1355 | 142-192 | 43-61 | 142-177 |
| RB | 13.3-21.1 | -0.1-12.6 | 25.6-27.9 | 897-1520 | 109-185 | 50-55 | 84-172 |
| Sc | 13.3-20.8 | 0.7-12.6 | 25.6-27.9 | 1003-1250 | 116-146 | 50-61 | 94-142 |
| Baton Rouge | 19.8 | 9.9 | 27.9 | 1547 | 170 | 89 | 170 |
| Mobile | 19.3 | 10.5 | 27.5 | 1684 | 183 | 83 | 166 |
| Pensacola | 19.8 | 10.3 | 27.8 | 1580 | 188 | 89 | 188 |
TABLE 5. Citronelle Formation taxa establishing Coexistence Approach analysis (CoA) interval boundaries.
| MAP1122 250 mm |
PWTM 142 46 mm |
PDRM 50 55 mm |
PWMM 99 142 mm |
|
| Established Min-value | Persea sp. | Gordonia sp. | Planera aquatica | Gordonia sp. |
| Established Max-value | Carya aquatica Populus deltoides |
Carya aquatica | Carpinus sp. | Carya aquatica |
| MAT 14.4 - 20.8°C |
CMMT 4.3 - 12.6°C |
WMMT 25.6 - 27.9°C |
|
| Established Min-value | Gordonia sp. Persea sp. Quercus. virginiana |
Cyrilla racemiflora Gordonia sp. Persea sp. |
Persea sp. Taxodium distichum Quercus virginiana |
| Established Max-value | Acer sacharinium Vaccinium sp. |
Carya aquatica | Cyrilla racemiflora Nyssa sp. |
TABLE 6. Coexistence Approach analysis (CoA), Bioclimatic Analysis/Mutual Climate Range Technique (BA/MCRT), Leaf Margin Analysis (LMA) results comparisons.
| Method | MATºC | WMMTºC July MT |
CMMTºC Jan MT |
MAP mm | PWMM mm July MP |
PDRM mm Jan MP |
| CoA | 14.4 - 20.8 | 25.6 - 27.9 | 4.3 - 12.6 | 1122 - 1250 | 99 - 142 | 50 - 55 |
| BA/MCRT | 18 | 27 | 5-7.4 | 1190 - 1325 | 125 | 85 - 105 |
| LMA | 19.3 +/- 2.6 | |||||
| Current Mobile, AL | 19.3 | 27.5 | 10.5 | 1684 | 166 | 83 |
TABLE 7. CLAMP results and modern value comparisons. GRIDMet3brAZ climate values from CLAMP website (clamp.ibcas.ac.cn/ Clampset2.html). GSP (growing season precipitation) is in mm. LGS (length of growing season) is in months. Sc = Scarborough site, PP = Perdido Park, C. Form = Combined Citronelle Formation sites. a = Modern values from NOAA Climatography of the United States No. 81 (01 Alabama). b = Removed three coldest months (period between first freeze of season to last freeze of season) according to NOAA for adjusted LGS and GSP.
| Site | MAT C°; 2SD | WMMT C°; 2SD | CMMT C° 2SD | LGS; 2SD | GSP; 1SD |
| Sc | 11.8; 9.5 - 14.1 | 23.1 | 1.5; -2.3 - 5.3 | 7.0; 5.6 - 8.4 | 728; 527 - 929 |
| PP | 13.9; 11.6 - 16.2 | 22.8 | 5.6; 1.8 - 9.4 | 7.9; 6.5 - 9.3 | 1055; 854 - 1256 |
| C.Form. | 13.4; 11.1 - 15.7 | 23.3 | 4.3; 0.5 - 8.1 | 7.7; 6.3 - 9.1 | 946; 745 - 1147 |
| Mobile, AL a | 19.3 | 27.5 | 10.1 | 12 | 1683 |
| Mobile, AL b | 9 | 1289 |
