Their diversity contributes to a healthy ecosystem from "summary" of The Hidden Life of Trees by Peter Wohlleben
In a forest, diversity is key to maintaining a healthy ecosystem. Different species of trees have evolved unique characteristics that allow them to thrive in specific conditions. For example, some trees are adapted to withstand drought, while others prefer moist soil. This variety ensures that the forest can withstand changes in the environment, such as fluctuations in temperature or rainfall. When a forest is composed of a single species of tree, it becomes vulnerable to pests and diseases that target that particular species. However, when there is a diverse range of tree species present, the risk of an infestation wiping out the entire forest is significantly reduced. Each species plays a role in keeping the ecosystem in balance, whether it is by providing food and shelter for wildlife or by helping to maintain soil health. Furthermore, diversity among trees promotes resilience in the face of environmental challenges. For instance, if a disease were to strike one type of tree, the other species would still be able to thrive, preventing the entire forest from being decimated. This resilience is essential for the long-term survival of the forest and the creatures that depend on it for their livelihood.- The presence of diverse tree species in a forest contributes to its overall health and vitality. By working together in a complex web of interactions, each species plays a unique role in maintaining the delicate balance of the ecosystem. This interconnectedness ensures that the forest can continue to thrive and adapt to changing conditions over time.