Restoring the Iconic Saguaro: The Tucson Audubon Society’s Efforts to Save the American Southwest’s Keystone Species

The saguaro cactus, an icon of the American Southwest, is under threat due to Climate change, heat, drought, and an invasive grass species called buffelgrass that has helped fuel wildfires. Thousands of saguaros have died in recent years, and their ability to recover in some areas is unlikely without human intervention.

However, the Tucson Audubon Society, a Conservation and birding group, is taking action to restore the dwindling saguaro population. They are planting 14,000 saguaros over the next two years to help the cactuses recover and remove 1,000 acres of buffelgrass. The group has received over $500,000 in grant money from the Wildlife Conservation Society and the U.S. Forest Service, making their saguaro project one of the biggest restoration efforts in the Sonoran Desert.

Source: PBS NewsHour/Youtube

Saguaros take around 35 years to even begin flowering, decades longer to grow out their iconic arms, and more than a century to reach adulthood. They are integral to the region’s culture, and more than 100 other species rely on them for their survival. Therefore, the Tucson Audubon Society’s project is crucial for the Sonoran Desert’s ecosystem.

The restoration project involves planting young saguaros under “nursing plants” that will help them grow into nearly 40-foot tall cactuses over the coming centuries. Saguaros rely on specific weather conditions, such as a really good monsoon season, and hotter temperatures, dryer landscapes, and bigger and hotter wildfires have made it challenging for them to establish populations in the wild. The Tucson Audubon Society’s efforts will also develop bird nesting boxes to help replace the habitat once provided by saguaros that have died.

The invasive buffelgrass not only fuels fires but also changes the landscape, making it challenging for saguaros to establish themselves. Therefore, removing buffelgrass is a critical aspect of the restoration project. The group’s efforts are also focused on areas recovering from wildfires in the Tonto and Coronado national forests.

The saguaro is a keystone species of the Sonoran Desert, and the loss of the cactus will have significant implications for other species that depend on them. The Tucson Audubon Society’s project is an excellent example of how human intervention can help restore the natural balance of an ecosystem. It is a call to action for all of us to take small steps in our daily lives to protect the environment and Support restoration projects like this. Together, we can ensure the survival of the saguaro and other species that depend on them.

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