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Predicted relative habitat suitability for three species of snails in three time periods. Bulinus globosus (a, b and c), Biomphalaria pfeifferi (d, e and f), and Lymnaea natalensis (g, h and i). Habitat suitability increases from blue via yellow to red. Left column: present-day climate (1980-1999), mid-column: near-future climate (2046-2065), right column: end century climate (2080-2099).
