Plummeting insect numbers are becoming a concern. A team of researchers have now demonstrated for the first time that the diversity of food plants for insects in the canton of Zurich has dramatically decreased over the past 100 years or so.
Plummeting insect numbers are becoming a concern. A team of researchers have now demonstrated for the first time that the diversity of food plants for insects in the canton of Zurich has dramatically decreased over the past 100 years or so.