48-million-year-old food webs show modern structure

In the most compelling evidence to date that ancient food webs were organised much like modern food webs, researchers have pieced together a highly detailed picture of feeding relationships among 700 mammal, bird, reptile, fish, insect and plant species from a 48 million year old lake and forest ecosystem.

Nature and humans destroying aquatic food webs

Globally, rivers and streams are being drained due to human use and climate change.