Cover illustration: The inset image shows Tecticornia pergranulata subsp.pergranulata (syn.Halosarcia pergranulata subsp.pergranulata), a halophyte common to salt lakes in southern Australia. The photograph was taken in spring, when the water level was declining. Increased salinity and flooding regimes in this catchment have killed the trees in the background (photograph taken by Ole Pedersen). See Colmer et al. (pp. 303-312).
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