Alien Invasion: A recent study suggests alien species could pose a major threat to subterranean ecosystems and human economies. Despite global efforts to address the issue, data shows an exponential growth of alien species worldwide. The report, “Aliens in Caves: The Global Dimension of Biological Invasions in Subterranean Ecosystems,” examines how aliens affect these fragile and vulnerable ecosystems. Giulio Nicolosi from the University of Turin … Continue reading Alien Invasion: Subterranean Ecosystems at Risk from Increasing Number of Invasive Species, Study Finds