Table 4.

Summary of explanatory variables within the best GLS multiple regression models for taxic diversity (indicated in Table 3)

SlopeSEPSlopeSEP
TDEshallow marine (N=29 stages)TDEopen ocean (N=23)
1Intercept25.5477.8810.0034*1Intercept−6.2957.4320.408
Stage duration−0.01070.01470.472Stage duration−0.01210.02600.646
Lagerstätten0.8820.3280.0126*Lagerstätten0.7250.1440.0001*
Non-marine area−11.6893.7300.0044*Non-marine area2.02503.3620.0555
Sampling1.5860.4590.0028*
2Intercept21.4288.6370.0205*
Stage duration−0.01670.01460.2642Intercept−1.7750.6860.0180*
Lagerstätten0.8270.3190.0160*Stage duration−0.005680.02540.8254
Non-marine area−10.3143.9660.0157*Lagerstätten0.7040.1460.0001*
Sampling0.6870.4520.1412Sampling1.4260.4070.0024*
3Intercept22.4209.3890.0245*3Intercept11.1424.7570.0302*
Stage duration−0.01350.01550.3927Stage duration0.05860.02550.0329*
Non-marine area−10.1724.4430.0304*Lagerstätten0.5780.2050.0109*
Non-marine area−5.07862.2510.0360*
4Intercept17.8619.6690.0766
Stage duration−0.01970.01570.222
Non-marine area−8.6424.4630.0642
Sampling0.7450.4920.1424
TDEtotal (N=29)TDEtotal
1Intercept0.9764.9970.8472Intercept−1.9010.5130.0011*
Stage duration−0.01420.01100.207Stage duration−0.01520.01060.165
Lagerstätten0.6320.111<0.0001*Lagerstätten0.6260.108<0.0001*
Non-marine area−1.2952.2360.568Sampling1.6550.285<0.0001*
Sampling1.5760.319<0.0001*
  • *Indicates statistical significance of slope or intercept at α=0.05. SE=standard error.