Girl Planting seeds

Grasshopper declines associated with declines in quality of prairie grasses

A University of Oklahoma-led study shows that grasshopper numbers have declined over 30% in a Kansas grassland preserve over the past two decades. Published in the Proceedings of the National Academy of Sciences (USA), the paper, "Nutrient dilution and climate cycles underlie declines in a dominant herbivore," reveals a new potent and potentially widespread threat to Earth's plant feeders: the dilution of nutrients like nitrogen, phosphorus, and sodium in the plants themselves due to increasing levels of atmospheric CO2.  Read more....

 

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