"Invasion Biology"

Since the beginning of time, species have spread and contracted their ranges. A variety of factors including weather and climate influenced their spread and movement. Arguably, one of the most important modern factors is human influence.

habitat restoration

King Charles: How Cattle Can Restore Habitat and Wildlife

Prince Charles comments on Allan Savory and his integrated approach to ranching and farming, and the role ruminants for the health of grasslands.

"Invasion Biology"

Holistic Management at Work

Holistic management uses a long term planning process that assigns to environmental and social outcomes the same importance as profits.  In addition to being particularly suited to the deserts of far-West Texas, its grazing and wildlife practices will work anywhere in the West.      NOTE: this post was originally published to

"Invasion Biology"

The Story of Meat

Public demand for healthy, tasty food produced in a manner that respects nature is the driving force behind the growing acceptance of holistic agriculture. This 20-minute video discusses how sustainably managed livestock can help restore damaged ranch and farm lands. NOTE: this post was originally published on April 26, 2017,

"Invasion Biology"

Miracle in the Nevada Desert

Beaver and cattle are symbiotic. Together they can turn desert into wetlands.        NOTE: this post was originally published on April 19, 2017, and then reposted on September 9, 2021

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They Shoot Owls in California, Don’t They?

An audacious federal plan to protect the spotted owl would eradicate hundreds of thousands of barred owls in the coming years.

"Invasion Biology"

Conserving the Legacy by Wyman Meizner

The outstanding scientific discovery of the twentieth century is not television, or radio, but rather the complexity of the land organism.

"Invasion Biology"

Can Beavers Restore Far-West Texas?

Two so-called invasive species, cattle and beavers, have the power to restore desert habitats.

"Invasion Biology"

As Tree Species Face Decline, ‘Assisted Migration’ Gains Popularity in Pacific Northwest

The right place to focus is in getting animal impact back into forests. This will improve habitat health, and reduce fire hazard.

"Invasion Biology"

Earthworm Invaders

Not only do we live alongside thousands of invasive species: Life as we know it would be impossible without them.

"Invasion Biology"

Allan Savory and the Science of Tracking

How the world’s oldest scientific method has changed everything from grazing livestock to snaring poachers

"Invasion Biology"

A Plant That’s Everywhere is Fueling a Growing Risk of Wildfire Disaster

A ubiquitous, resilient and seemingly harmless plant is fueling an increase in large, fast-moving and destructive wildfires in the United States.

"Invasion Biology"

USDA Wildlife Services--Black Vulture, Wolf Predation

At the recent American Sheep Industry Association annual convention, those attending the resource management council and policy forum heard an update from USDA-Wildlife Services.

"Invasion Biology"

Functional Traits - Not Nativenes - Shape the Effects Of Large Mammalian Herbivores on Plant Communities

Large mammalian herbivores (megafauna) have experienced extinctions and declines since prehistory.

"Invasion Biology"

Biodiversity and Holistic Management

These excellent thoughts on the importance of biodiversity apply to wildlife as well as agriculture. NOTE: this post was originally published to this site on November 20, 2016. And reposted again on July 1, 2021

"Invasion Biology"

How We Treat Wild Horses

This video was created by Wild Horse Fire Brigade, a non-profit dedicated to expanding wild horse populations in order to reduce fire hazard on public lands.

"Invasion Biology"

Invasive Species vs. Native Species

Native and introduced megaherbivores similarly affect plant diversity and abundance

"Invasion Biology"

Hard-To-Eradicate ‘Super Pigs’ in Canada Threaten to Invade the US

An exploding population of hard-to-eradicate “super pigs” in Canada is threatening to spill south of the border, and northern states like Minnesota, North Dakota and Montana are taking steps to stop the invasion.

"Invasion Biology"

The War on Lake Trout

Lake trout, native to the Great Lakes and the boreal lakes of Canada and Alaska, were first “discovered” in Yellowstone Lake in 1994. Their appearance was likely the result of introduction from nearby Lewis or Shoshone lakes, where the fish were intentionally stocked more than 100 years ago.   It is

"Invasion Biology"

Drought Busters 101 : A 21-Minute Video on Desert Grassland Restoration

“Drought Busters” is an inexpensive, quick, physiologically and economically sustainable method of habitat and wildlife restoration. We call it Drought Busters because it increases effective rainfall by rebuilding soil fertility and the soil’s ability to absorb and store water. This 21-minute video explains Drought Busters, and our experience on

"Invasion Biology"

At the Foot of a Melting Glacier in Peru, Llamas Helped Revitalize the Land

Llamas are camelids, the family of animals that also includes Bactrian and Dromedary camels, vicunas, alpacas and guanacos. These animals evolved in North America. Llamas and their ancestors were present in North America for 40 million years.    Together with 80 percent of existing North American genera, llamas and their cousins

"Invasion Biology"

When Horses Migrated to Eurasia

According to the paper and article below, horses – which evolved in North America –  traveled back and forth across the land bridge between present day Russia and Alaska several times over the last million years. Horses on both sides of the land bridge evolved into distinct species, which then crossed again,

"Invasion Biology"

Attacking Aoudad on Behalf of Bighorn

NOTE: this post was originally published to this site on February 6th, 2017   The Borderlands Research Institute (BRI) and Texas Parks and Wildlife Department (TPWD) say aoudad harm desert mule deer, pronghorn and desert bighorn, and habitat, because they (1) eat plants, (2) drink water and (3) do well. In

"Invasion Biology"

Desperate to Rid Catalina of Invasive Deer, Officials Propose Bold Helicopter Hunt

It’s hard to name a single wildlife “management” practice pursued by the big conservation bureaucracies that does not involve the wholesale killing out of entire wildlife populations. Their glaring management failures are blamed on climate change and ‘invasive’ species, in this case mule deer and bison!   The definition of

"Invasion Biology"

Healing the Land with One Hundred Thousand Beating Hearts

Healing the Land with One Hundred Thousand Beating Hearts” is an inspirational short film that discusses regenerative agricultural practices on a Georgia farm.   This dying farm was regenerated using multi-species grazing in which all the animals were moved according to a plan that got them to the right place…at

"Invasion Biology"

Wolves Culling Deer Herds

Predators including wolves can cull weak or sick deer, elk and caribou much better than any wildlife “manager”. This makes predators the best means of removing CWD-infected animals from our wild herds.      Story available here -> http://www.bbc.com/earth/story/20150105-wolves-hunt-caribou   Note: this post was originally published