Which environmental risk increases with maize monoculture farming on pre-Columbian chinampa systems?

💡 Explanation

When maize monoculture is practiced, the lack of genetic diversity amplifies vulnerability to disease, because a single pathogen can devastate the entire crop. Therefore the risk of blight increases, rather than reduced filtration, stone depletion, or increased runoff; each requires different agricultural management factors or environmental changes.

• Which advantage was conferred by the intensive labor investment required cultivating chinampas in Aztec society?
• Which farming benefit arises when drought reduces chinampa canal water in Aztec maize cultivation?
• Which outcome occurred when ancient Mesopotamian canal sedimentation reduced water flow to distant fields?
• Which systematic error affected 18th-century maritime sextant accuracy due to thermal expansion?
• Which agricultural consequence followed construction of ancient Incan terraces on steep Andean slopes?
• Which navigational outcome improved accuracy when multiple lunar distance observations produced differing time calculations in the 1760s?