Turtles Threaten Ecosystems Turtles may seem like harmless creatures, but their impact on ecosystems can be devastating. They often carry diseases that can infect native species, disrupt food chains, and alter habitats. In addition, many turtle species are over-harvested for their meat and shells, causing populations to decline and further damaging ecosystems. Conservation efforts, such as stricter regulations on trade and habitat protection, are necessary to ensure the survival of turtle spe...