1. Microbial communities in UK aquifers: current understanding and future research needs
by S. P. Gregory, L. D. Maurice, J. M. West, and D. C. Gooddy
Quarterly Journal of Engineering Geology and Hydrogeology
Volume 47(2):
May 1, 2014
© 2014 The Authors

2. Examples of different types of microorganisms present in aquifers.
S. P. Gregory et al. Quarterly Journal of Engineering Geology and Hydrogeology 2014;47:
© 2014 The Authors

3. Experimentally derived distribution of mean pore-throat sizes in Permo-Triassic sandstones, with the range of sizes of some pathogenic bacteria and protozoa (Cryptosporidium) of concern in aquifers superimposed for comparison (modified from Bloomfield et al. 2001).
Experimentally derived distribution of mean pore-throat sizes in Permo-Triassic sandstones, with the range of sizes of some pathogenic bacteria and protozoa (Cryptosporidium) of concern in aquifers superimposed for comparison (modified from Bloomfield et al. 2001).
S. P. Gregory et al. Quarterly Journal of Engineering Geology and Hydrogeology 2014;47:
© 2014 The Authors

4. Microbial composition of communities in uncontaminated aquifers or control sites in studies of polluted aquifers in the UK.
Microbial composition of communities in uncontaminated aquifers or control sites in studies of polluted aquifers in the UK
S. P. Gregory et al. Quarterly Journal of Engineering Geology and Hydrogeology 2014;47:
© 2014 The Authors

5. Summary of research into community composition in uncontaminated aquifers outside the UK.
S. P. Gregory et al. Quarterly Journal of Engineering Geology and Hydrogeology 2014;47:
© 2014 The Authors

6. Some potential pathogens that may been found in aquifers (after Environment Agency 2002; Powell et al. 2002; Pedley et al. 2006).
Some potential pathogens that may been found in aquifers (after Environment Agency 2002; Powell et al. 2002; Pedley et al. 2006)‏
S. P. Gregory et al. Quarterly Journal of Engineering Geology and Hydrogeology 2014;47:
© 2014 The Authors