Ecosystems can recover after natural disasters through a process called ecological succession. This process involves the gradual replacement of plant and animal species in an area over time. Initially, pioneer species will colonize the area, followed by a gradual transition to more complex species as the ecosystem rebuilds. Factors such as soil quality, presence of seeds and spores, and climate conditions all play a role in the recovery process. It can take years or even decades for an ecosystem to fully recover after a natural disaster, but with time and proper conditions, biodiversity and ecological balance can be restored.