What effect does succession have on the biodiversity of ecosystems?

Succession, the process by which ecosystems change and develop over time, generally enhances biodiversity. During primary and secondary succession, a variety of species colonize and establish themselves, leading to increased species richness and complexity in the ecosystem. As different species interact and modify the environment, niches are created, allowing for a greater variety of organisms to thrive. Ultimately, mature ecosystems that have undergone succession tend to support a more diverse array of plants, animals, and microorganisms.