David Johns
Process Manager

Role:

Process Manager, QA and QC. Responsible for provision of data for internal / external scientists. Oversee the Associated Researcher Scheme. Chair of the Research Group. Contract research.

Background, qualifications and professional membership:

Research Interests:

Macro-scale plankton ecology, plankton ecosystem responses to climate change, spatial representation of CPR data, alien species introductions.

Publications:

Martin, P., Allen, J.T., Cooper, M.J., Johns, D.G., Lampitt, R.S., Sanders, R. and Teaglea, D.A.H. 2010. Sedimentation of acantharian cysts in the Iceland Basin: Strontium as a ballast for deep ocean particle flux, and implications for acantharian reproductive strategies. Limnology & Oceanography 55(2), 604-614

Thackeray, S.; Sparks, T.; Frederiksen, M.; Burthe, S.; Bacon, P.; Bell, J.; Botham, M.; Brereton, T.; Carvalho, L.; Clutton-Brock, T.; Dawson, A.; Edwards, M.; Elliott, M.; Harrington, R.; Johns, D.G.; Jones, I.; Jones, J.; Leech, D.; Roy, D.; Scott, A.; Smith, M.; Smithers, R.; Winfield, I.; Wanless, S. 2010. Trophic level imbalances in rates of phenological change for marine, freshwater and terrestrial environments. Global Change Biology. doi: 10.1111/j.1365-2486.2010.02165.x

Lampitt., R.S., Salter, I. and Johns, D.G. 2009 Radiolaria: major exporters of organic carbon to the deep ocean. Global Biogeochemical Cycles., 23, GB1010, doi:10.1029/2008GB003221, 2009

Reid, P.C., Edwards, M. and Johns, D.G. 2008. Trans-Arctic Invasion in Modern Times. Science, 322: 528-529

Wynn, R.B., Josey, S.A., Martin, A.P., Johns, D.G. and Yésou, P. 2007. Climate-driven range expansion of a critically endangered top predator in northeast Atlantic waters, Biology Letters, 3, 529-532

Reid, P.C., Johns, D.G., Edwards, M., Starr, M., Poulin, M. and Snoeijs, P. 2007. A biological consequence of reducing Arctic ice cover: arrival of the Pacific diatom Neodenticula seminae in the North Atlantic for the first time in 800,000 years. Global Change Biology, 13: 1910-1921

Johns D.G., Edwards M., Greve, W. and John A.W.G. 2005. Increasing prevalence of the marine cladoceran Penilia avirostris (Dana, 1852) in the North Sea. Helgoland Marine Research 59: 214-218

Roles on external bodies / national / international responsibilities:

Member of ICES WGHAME

Links: