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Life sciences/Organismal biology/Animals/Invertebrates/Arthropods/Insects/Locusts

Protein-rich diets can be detrimental to the locust species Oedaleus asiaticus, according to researchers working in northeast China. As a consequence, swarms of these locusts are more likely to occur where vegetation contains low levels of nitrogen—a primary protein source for the insects.

Unfortunately for many farmers, erosion and heavy grazing by livestock contribute to desertification—a significant problem in China—but also reduce the amount of nitrogen in crops, thereby increasing the chances of a locust swarm on overgrazed land.