Feral Burros Threaten Sonoran Desert Ecosystem
A recent investigation by the Arizona Game and Fish Department reveals that feral burros are causing significant ecological damage in the Sonoran Desert. This study highlights concerns regarding the impact of non-native species on local wildlife and vegetation.
Biologists conducted their research in areas surrounding Lake Havasu and Lake Pleasant, where similar vegetation and burro populations exist. Their findings indicate a 30% reduction in ground cover in regions inhabited by these burros. Notably, palo verde trees, ironwood trees, and saguaro cactuses are among the most affected plants.
The Bureau of Land Management suggests that approximately 14,000 burros are appropriate for herd management areas. However, current estimates show that about 10,000 burros reside within these designated zones in Arizona.
According to Game and Fish biologists, around 300 species depend on the foliage being damaged by the burros. The presence of these animals, which are not native to Arizona, poses a threat to the delicate balance of the ecosystem.
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