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Figure 1 | Parasites & Vectors

Figure 1

From: Observations on Neotricula aperta (Gastropoda: Pomatiopsidae) population densities in Thailand and central Laos: implications for the spread of Mekong schistosomiasis

Figure 1

The lower Mekong Basin, showing the key rivers draining the region. The northern and southernmost limits of the known range of Neotricula aperta are shown by thick dashed lines. Mekong schistosomiasis transmission foci are denoted by black squares and the populations sampled in this study by black stars. The approximate extent of the Nam Theun 2 (NT2) main reservoir is indicated, as is the downstream discharge channel. Scale and international boundaries approximate.

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