The beauty of nature is valuable to mankind. It enriches life and makes outdoor recreation more enjoyable. Wildlife provides all kind of sources of valuable elements to use and study. Recreational and educational use of preserves also provides income to local communities. Often located near places plagued by pollution, overcrowding, and destruction of natural habitats, preserves provide healthy environments.
Healthy environments make healthy economies, and that is an immediate benefit to everyone.
The long term benefits of preservation, which adds to the quality of life, is an extra bonus.