E-Mail IMAGE: A blue magpie (Urocissa ornate), native to the rainforests of Sri Lanka, was photographed near the Sinharaja Forest Reserve, a World Heritage site that was part a new study of... view more Credit: Christopher Wills, UC San Diego As the health of ecosystems in regions around the globe declines due to a variety of rising threats, scientists continue to seek clues to help prevent future collapses. A new analysis by scientists from around the world, led by a researcher at the University of California San Diego, is furthering science's understanding of species interactions and how diversity contributes to the preservation of ecosystem health.