Source link : https://las-vegas-news.com/southern-nevada-mojave-desert-tortoise-clings-to-survival-amid-mounting-pressures/
A Startling 36 Percent Population Drop Signals Urgent Need (Image Credits: Unsplash)
Nevada’s official state reptile, the Mojave desert tortoise, marked 36 years as a threatened species under the federal Endangered Species Act in 2026. These resilient creatures, which spend 95 percent of their lives in underground burrows, face relentless threats from urban expansion and disease in the Las Vegas Valley. Conservationists in Southern Nevada now intensify efforts to halt a steep population decline while managing a surge in captive pets.
A Startling 36 Percent Population Drop Signals Urgent Need
Researchers documented a 36 percent decline in adult Mojave desert tortoises between 2001 and 2020, equating to roughly 129,000 fewer individuals.[1] A 2024 U.S. Fish and Wildlife Service survey pinpointed densities at just 1.1 adults per square kilometer in Amargosa Valley and 1.9 in the Pahrump area – far below the agency’s minimum viable threshold of 3.9 per square kilometer.[1]
Habitat loss tops the list of dangers. Booming development fragments landscapes, while major highways like Interstate 15 isolate groups and hinder mating, eroding genetic diversity within generations, according to a 2023 University of Nevada, Reno study.[1] Solar farms and roads also promote invasive plants, block water sources, and destabilize burrowing soils.
| Region | Adult Density (per sq km, 2024) | Viable Threshold |
|---|---|---|
| Amargosa Valley | 1.1 | 3.9 |
| Pahrump Area | 1.9 | 3.9 |
Predators compound the…
—-
Author : Matthias Binder
Publish date : 2026-04-16 12:30:00
Copyright for syndicated content belongs to the linked Source.
—-
1 – 2 – 3 – 4 – 5 – 6 – 7 – 8