Department of Biology
Kings College
London, U.K.

" Field experiments using catchments in Norway are providing a new approach to the understanding of acid rain. By the experimental addition of acids to a pristine catobment, soil changes can be monitored, and by protecting an acid site from further rain, the reversion of the process can be observed.

R.F. Wright, E. Lotee, A. Serab, “Reversibility of acidification shown by whole-catchment experiments,” Nature, 334(6184), 670-5, 25 August 1988.

" Many of the fish species inhabiting the fragmented aquatic systems of the American deserts are in danger of extinction. Their conservation must be based upon a sound understanding of the genetic relationships and diversity between populations, so that the management priorities can be established.

G.K. Meffe, R.C. Vrijenhoek, “Conservation genetics in the management of desert fishes,” Conservation Biology, 2,157-69, 1988.

"The use of...

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