SWAP: SWAP surface sediment diatom data and lake-water pH.

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SWAP (Surface Water Acidification Programme) surface sediment diatom data from Birks et al. (1990) and Stevenson et al. (1990). Dataset is a list with the following named elements: (spec) diatom relative abundances for 277 taxa in 167 surface samples, (pH) associated lake-water pH. Column names in spec are short, 6-character alphanumeric codes for each diatom taxon. SWAP$names contains the full names for each taxon, in the correct order).




Birks, H.J.B., Line, J.M., Juggins, S., Stevenson, A.C., & ter Braak, C.J.F. (1990) Diatoms and pH reconstruction. Philosophical Transactions of the Royal Society of London, B 327, 263-278.

Stevenson, A.C., Juggins, S., Birks, H.J.B., Anderson, D.S., Anderson, N.J., Battarbee, R.W., Berge, F., Davis, R.B., Flower, R.J., Haworth, E.Y., Jones, V.J., Kingston, J.C., Kreiser, A.M., Line, J.M., Munro, M.A.R., & Renberg, I. (1991) The Surface Waters Acidification Project Palaeolimnology Programme: Modern Diatom / Lake-Water Chemistry Data-Set ENSIS Ltd, London.



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