Table 1 Summary statistics for each site.

IQR, interquartile range.

Durrington WallsMount PleasantWKPEMardenAll
87Sr/86Srn8918168131
Median0.70940.70970.70950.71100.7095
Range0.7080–0.71720.7082–0.71130.7082–0.71330.7086–0.71660.7080–0.7172
IQR0.00150.00170.00260.00340.0017
Mean0.70980.70980.71010.71200.7099
1 SD0.00160.00100.00170.00270.0017
δ18OVSMOW (‰)n8918168131
Median25.924.625.725.125.8
Range23.6–27.723.2–28.924.4–27.623.2–27.423.2–28.9
IQR1.271.581.231.971.38
Mean25.925.025.725.125.7
1 SD0.91.40.91.41.1
δ34SVCDT (‰)n8616156123
Median11.914.814.69.113.0
Range−1.6–19.62.8–18.86.9–17.56.5–13−1.6–19.6
IQR5.72.05.44.25.8
Mean11.114.113.29.411.7
1 SD3.94.23.32.74.0
δ13CVPDB (‰)n8918168131
Median−20.7−21.6−21.4−21.4−21.0
Range−21.3–−19.7−23.1–−20.9−22.4–−20.6−22.0–−20.3−23.1–−19.7
IQR0.780.550.510.50.90
Mean−20.7−21.7−21.3−21.4−21.0
1 SD0.520.921.050.540.64
δ15NAIR (‰)n8918168131
Median6.66.66.06.06.5
Range5.2–8.04.5–9.13.4–7.25.1–6.83.4–9.1
IQR0.780.550.510.500.89
Mean6.66.86.25.76.5
1 SD0.630.921.100.650.79