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Part of the Ecology Disrupted Curriculum Collection.
Kaushal, S., Groffman, P.M., Likens, G.E., Belt, K.T., Stack, W.P., Kelly, V.R., Band, L.E. and Fisher, G.T. 2005. Increased salinization of fresh water in the northeastern United States. Proceedings of the National Academy of Sciences 102: 13517-13520.