Passive surveillance for malaria cases was conducted in Yunnan Province, China, along the China–Myanmar border. Infection with Plasmodium vivax and P. falciparum protozoa accounted for 69% and 28% of the cases, respectively. Most patients were adult men. Cross-border travel into Myanmar was a key risk factor for P. falciparum malaria in China.
“White Pulp Soils” are eutric Planosols, their permeability profile being caused more by stratification than by lessivage and most likely not by ferrolysis. For climatic reasons their water/air regime differs very much from many other surface water soils, dry periods being more typical for the early and wet ones for the late summer. This may influence the diagnostic weight of the profile morphology and the transferability of ecological threshold values from stagnosols of other regions.
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