Category: INVASION BIOLOGY

CKI Studies Scaled Quail Decline

This study of blue (scaled) quail decline, conducted by  the Caesar Kleberg Institute, finds that brush removal, monocultures of non-native grasses and cattle removal cause blue quail numbers to fall.  

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Desert Restoration: Insights From the Human Body

How Microorganisms Determine Human Health and Behavior Holistic thinkers rightly point out the health of wildlife and its habitat depends on the health of soil particularly its life-giving microorganisms. Here is a wonderful TED Talk discussing how microorganisms determine human health and behavior. Did you know there are 10X as many micro-organic cells in your

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Wildlife Numbers Drop by Half Since 1970, Report Says

Biodiversity loss in our Southwestern deserts is part of a larger global trend. Wildlife “management” is making this worse. NOTE: Originally appeared on WSJ.com September 30, 2014: By GAUTAM NAIK Analysis by WWF and Others Was Based on Thousands of Species in Rivers, on Land and at Sea

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Game Videos Fall 2014

  These videos were taken at what we call Sheep Tank, a water point that overlooks one of our largest canyons. Many species share this water, with no visible conflict with each other, or harm to habitat.

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Restoring Desert Grasslands. EARTH A New Wild – Episode 2 – Plains

EARTH: A New Wild takes a fresh look at humankind’s relationship to the planet’s wildest places and most fascinating species. Produced by National Geographic Studios in association with Passion Planet, the series is hosted by Dr. M. Sanjayan, leading conservation scientist, who takes viewers on a stunning visual journey to explore how humans are inextricably

After Slow, Cold Trip Across Pacific, Sea Creatures Find Little Warmth

Every single day for uncounted millions of years, billions of pieces of flotsam – many bearing lifeforms – have drifted onto beaches across the world. Here is an example of the utterly futile, wasteful and presumptuous efforts to interrupt this natural evolutionary process – which is as old as life itself – by attacking the

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Restoring Desert Grasslands or Creating Desert Badlands?

For 60 years, this National Park Service land has been “protected” from cattle, unintentionally accelerating its desertification.   Here is a typical Big Wildlife program being pursued at Big Bend National Park to “protect” degrading habitat.

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Restoring Desert Grasslands: A Video Comparison of Cattle, Water Harvesting and Keyline as a Safer, Cheaper and Faster Alternative to Spike

Here is a well-intentioned but ill-advised project for “restoration” of desert grasslands.  

The Role of Aoudad in Restoration of High-Desert Mountain Wildlife and Habitat

At Circle Ranch we understand that biodiversity is good, not bad, and act accordingly.  In that context, here is common sense on aoudad.   The Ammotragus Advantage …by Brandt Buchanan   To begin, I would like to declare that the following theories have not been proven by any specific study pertaining to aoudad (Ammotragus lervia).

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Cows and Keyline: Restoring Desert Grasslands

This 17-minute video, “Cows and Keyline” discusses the use of cattle and the Yeomans Keyline plow as the quickest, cheapest, and safest way to restore desert grasslands. It also documents a project to repair a gully formed by an old road. Aerial photography provides graphic comparisons of the result of poisons versus planned grazing and