Table 1.

Amino acid data from Clacton, West Runton and Waverley Wood taken from Miller et al. (1979), Bowen et al. (1989), Bowen (1999). Note that for some samples only genera were listed in the original papers.

Site	Species	A/I	1 St dev	n	Original correlation	Reference
Clacton	Corbicula fluminalis	0.19		1	Ipswichian	Miller et al., 1979
Clacton	Macoma balthica	0.58	0.03	2		Miller et al., 1979
Clacton	Pisidium	0.305	0.001	2	MIS 11	Bowen et al., 1989
Clacton	Valvata piscinalis	0.299	0.002	3		Bowen et al., 1989
West Runton	Bithynia troschelii	0.380		1	MIS 13	Bowen et al., 1989
West Runton	Pisidium clessini/amnicum	0.346	0.031	5		Bowen et al., 1989
West Runton	Valvata piscinalis	0.348	0.010	9		Bowen et al., 1989
Waverley Wood	Trichia hispida (land snail)	0.381	0.024	3	MIS 15	Bowen et al., 1989
Waverley Wood	Bithynia troschelii	0.381	0.027	12		Bowen, 1999