Wandering through and knocking down patches of forest might seem destructive at first glance, but elephants are actually doing the environment a big favor. Every time they feast on fruit or trample vegetation, they’re helping forests become healthier and more effective at storing carbon.
Research from Saint Louis University highlights just how important these massive animals are. In a study on megaherbivores, Stephen Blake, an assistant professor of biology at SLU, examined the environmental role of forest elephants and concluded that their impact on the planet is far too significant to overlook.
“Elephants are essentially the landscapers of the forest,” Blake explained. When they eat fruit from trees that store large amounts of carbon, they later spread those seeds through their droppings, allowing new high–carbon trees to grow elsewhere.
At the same time, elephants naturally knock down and thin out trees that store less carbon. This process opens up space, improves forest structure and encourages healthier growth overall.
By spreading beneficial seeds and reducing lower–carbon vegetation, elephants help forests become more diverse and better at capturing carbon. Blake notes that this constant reshaping plays a major role in maintaining a balanced ecosystem.
And the findings don’t stop with African forest elephants. Blake believes the same principle may apply to other large plant-eating animals, including primates and Asian elephants, in tropical forests around the world.
“These results suggest that other megaherbivores may also help promote the growth of high carbon density trees,” Blake said. “Our next goal is to study how this process works in different species and regions.”
In short, what looks like chaos in the forest is actually careful, natural management — carried out one giant footprint at a time.