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"Invasion Biology"

Gulleys for Grassland Restoration #5: Upper Pennel Canyon at Circle Ranch

Using a mountain gulley for erosion control and desert grassland restoration.

  • Chris Gill

Chris Gill

22 Jan 2026
Gulleys for Grassland Restoration #5: Upper Pennel Canyon at Circle Ranch
Using a mountain gulley for erosion control and desert grassland restoration at Circle Ranch in far-West Texas. This is another video in our series on gulleys and their impact on grassland restoration


NOTE: this post was originally published to this site on August 14, 2017, and again on February 9, 2022.

Donkeys eating grass

Restoring Biodiversity - 3/17/2026

Meet the ‘firefighting’ donkeys of Spain. Bringing attention to a degraded and forgotten stretch of the Pecos River. How do beavers build a dam? And more..
17 Mar 2026 3 min read
Meet The ‘Firefighting’ Donkeys of Spain

Meet The ‘Firefighting’ Donkeys of Spain

Known as Doñana’s Firefighting Donkey Battalion, this unit is responsible for preventing wildfires in parts of Spain—all thanks to their seemingly bottomless appetites.
17 Mar 2026 5 min read
A River of Hopes & Dreams—and Challenges

A River of Hopes & Dreams—and Challenges

Friends of the Pecos River was formed in 2021 as a 501c3 nonprofit organization with its primary focus on the Pecos River in Texas—from Imperial to Sheffield—the forgotten reach.
16 Mar 2026 2 min read
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