Field Notes

Border Wildlife Study: Measuring Nighttime Habitats

May 6, 2021

In April 2021, Sky Island Alliance and Round River Conservation Studies followed the Globe at Night methodology to measure the nighttime sky quality across the Border Wildlife Study site and along the flanking border regions. Along 84 miles, our staff and volunteers took stellar magnitude readings of the sky at night at points between the…
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Protecting Dark Skies Along the U.S.-Mexico Border

March 26, 2021

Dark skies are a remarkable feature of the Sky Island region. When true darkness blankets the landscape at night, it provides spectacular views of the stars and high–quality nocturnal habitat for numerous migrating and resident wildlife species.  Lighting along the U.S.-Mexico border as part of any border infrastructure system stands to disrupt the health and ecology of a tremendous number of species. In our Border Wildlife Study, we’ve found that…
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