Insect population collapse: new evidence links it to dams

Insects are the most numerous group of animals on the planet. There are an estimated 5.5 million species, 80% of which remain to be discovered. Yet insects are experiencing steep, widespread declines across the world: a “death by a thousand cuts” because of human activity.

Insects perform almost every role imaginable in an ecosystem, including pollinating crops, keeping pests under control, and acting as food…

© La Conversation - mercredi 16 juin 2021