Silvopasture Can Mitigate Climate Change. Will U.S. Farmers Take it Seriously? | Civil Eats

Silvopasture Can Mitigate Climate Change. Will U.S. Farmers Take it Seriously?

The ancient, sustainable practice of pasturing animals among trees is gaining traction in the U.S. If it scales up, it could help shrink our carbon footprint.

Cattle grazing in a silvopasture forest in Georgia. (Photo CC-licensed by the USDA National Agroforestry Center)

Steve Gabriel curls back a bit of flimsy net fencing and shakes a plastic bucket of alfalfa pellets. Immediately, a sweet-faced, short-fleeced mob of some 50 Katahdin sheep pull away from a line of young black locust trees on whose leaves they’ve been snacking and swarm around him. The sheep race after Gabriel as he strides across nibbled grass and out from the fencing, around a dirt path’s shallow curve, and into a shadier, overgrown pasture dotted with longstanding black walnut and hawthorn trees.

Gabriel is an agroforestry specialist at Cornell University’s Small Farms Program. He’s also the author of the book on silvopasture, a farming technique that’s touted as a way to sequester carbon by growing trees in livestock pastures.

Silvopasture farmer Steve Gabriel (Photo courtesy of Chelsea Green)

Steve Gabriel. (Photo courtesy of Chelsea Green)

Trees absorb and sequester large amounts of carbon over time; they’re rendered even more powerful when they’re used in concert with grazing and planted on “marginal” land that isn’t great for growing crops—what Gabriel calls the “funky edges” around, say, healthy woodlands. On the heels of the latest, dire, National Climate Assessment, ag-based climate solutions such as silvopasture could provide much-needed climate benefits—if they can be scaled up.

Project Drawdown, a group of international scientists and policymakers that modeled the 80 most effective ways to battle climate change, ranks silvopasture number nine on its list, reporting that it could reduce CO2 emissions by over 31 gigatons by 2050 if it were ramped up from its current 351 million acres to 554 million acres worldwide.

There are no good estimates of how much land in the U.S. is currently devoted to silvopasture. The amount, though, is small, which means there’s potential for  the practice to play much a larger role here; worldwide, it accounts for about 15 percent of all grazing land.

This prompts the question: Can more American farmers get the message about silvopasture’s positive qualities, and can the resources necessary to get them started with it, or transition to it, be made more readily available?

How Silvopasture Works

Gabriel addressed at least the first part of that question in his book. It’s a primer on ways to mingle silva (Latin for forest) with the pasturing of livestock—as well as a look at ancient silvopasture methods in Spain’s dehesa and Japan’s Kyushu province, plus more recent efforts in places like Mexico, where it receives government subsidies. The method has also been adopted in Panama, Costa Rica, and Colombia.

Much of the knowledge Gabriel is passing on he’s accumulated through first-hand experience farming with his wife Elizabeth on their 35-acre operation outside Ithaca, New York. There, they’ve been fiddling with a system that works like this: The sheep, which the Gabriels raise for meat, rotate daily on one-acre grazing plots. On a couple of those plots, which contain seeded-in and naturally occurring grasses, they’ve planted those fast-growing black locust trees to provide shade (more and more necessary in a rapidly warming world) and some forage for the animals, as well as fix nitrogen and hold a whole lot of carbon in the soil—anywhere from 3 to 10 tons per hectare (roughly 2.5 acres) per year. Eventually, Steve Gabriel says he might chop the trees down for rot-resistant fence posts, which will fetch a high market price, even as they retain the carbon stored within their wood.

It’s been five years since they began working what was depleted, degraded, and unproductive hay land. In that time, he says, “We’ve seen a transformation of the soil and the vegetation, with increases in organic matter and a big shift in soil biology—from the bacteria-dominated soils you get in open pasture to the fungi-dominated soils you get when you bring in trees. And the animals do all the work.”

Sheep grazing on Steve Gabriel's black locust trees. (Photo by Lela Nargi)

Sheep grazing on Steve Gabriel’s black locust trees. (Photo by Lela Nargi)

In some of their woodsier plots, the sheep have nibbled down the underbrush. This creates areas suitable for their shelter and for seeding in new, more nutritious grass and forb forages; it’s also freed up wild apple trees the Gabriels harvest for local cider-makers.

On the remaining, densely forested plots—which are massive carbon sinks in their own right—the Gabriels practice what agroforestry specialist Eric Toensmeier, who contributed research to Drawdown, calls multi-strata agroforestry (#28 on the Drawdown list): thinning out maple stands he taps for syrup and clearing ground for stacking logs on which he grows shiitakes for area restaurants.

This idyll—animals, trees, and forages working in tandem to fill a dual purpose of regenerating soil and climate and creating a sustainable, financially viable farm—belies certain challenges. According to Steve Gabriel, silvopasture’s fundamentals are well understood, but a lot remains unknown about how it functions in multifarious climates and soils with different combinations of trees and animals.

Steve Gabriel's maple syrup and shiitake mushroom setup. (Photo by Lela Nargi)

Steve Gabriel’s maple syrup and shiitake mushroom setup. (Photo by Lela Nargi)

“We’ve planted a lot of stuff, and a lot of it has died,” Gabriel says. On the other hand, failures have helped “provide a template for how we’re going to do the rest” of the land, and serve as teaching material for a growing number of mostly young farmers—the Silvopasture Facebook group reaches over 2,400 members—keen to farm this way. Having more demo sites like his own, as well as encouraging governmental and private investment in silvopasture, might create the necessary support to give more farmers a leg up, Gabriel thinks.

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Case Studies in Silvopasture

Lesson number one: There’s no one-size-fits-all silvopasture model. Even the Gabriels’ modest acreage is replete with microclimates, each with its own quirks. The complexity increases as you radiate into ever-wider regions, further compounded by the needs and desires of individual farmers.

For example, 14 miles south of their farm, the 69-acre Good Life Farm has had success with a peach and apple orchard grazed by beef cattle and poultry, supported by salad crops.

About 180 miles east, in Valley Falls, New York, first generation farmers Dustin and Kassie Gibson have converted 20 acres of what Kassie calls “useless woodland” to silvopasture that supports beef cattle and hogs, thereby expanding the number of animals they’re able to support on their 70 total acres.

And 115 miles south of the Gibsons, in Holmes, Meghan Riehl and Curtis Breuer are collaborating to get four acres of silvopasture plots at Grape Hollow Farm, a 47-acre vacation rental property, up and running. The thickly wooded, steeply sloped, and rocky property was historically used for sheep grazing, says Riehl, who finished a livestock apprenticeship at the Stone Barns Center for Food & Agriculture last year.

A map of Grape Hollow, including its silvopasture areas. (Click image for a larger version)

A map of Grape Hollow, including its silvopasture areas. (Click image for a larger version)

Arriving at Grape Hollow, Riehl tended a small flock of meat-and-wool-producing Romneys. She ran them through one silvopasture plot; the others are currently too overgrown with low-bush blueberries and goldenrod that are unsuitable for forage. But “these plots could be made into something more than they are if we could thin them and clear them by bringing in hogs to lightly turn up the ground,” says Riehl.

Not to mention, an expansion of the farm’s footprint, converting otherwise unusable land into pasture, as well as opening it up to firewood harvesting, and, as at the Gabriels’ farm, producing maple syrup and mushrooms. Riehl hopes this will help transition Grape Hollow’s one-tenth of an acre of scarce flatland devoted to vegetable crops, plus heritage chickens, “into a working farm that can fully pay for itself,” she says.

Silvopasture requires rapt attention from farmers to ensure that the animals don’t cause destruction to the land by overgrazing it, and to young trees especially, by tearing at their bark and digging up their roots. But because it does not require costly “farmland” in order to produce food, tracts suited to the practice have often been neglected by generational farmers and can be had on the cheap.

Studying and Promoting the Practice

Connecting the dots between farmers and land is the aim of a new project at the NC Choices initiative at the Center for Environmental Farming Systems (CEFS) in Raleigh, North Carolina. The project is funded by a U.S. Department of Agriculture (USDA) beginning farmer and rancher grant; it will assist 15 farmers interested in raising pastured beef cattle, sheep, goats—and possibly hogs and poultry—in procuring long-term lease agreements on some of North Carolina’s 11 million acres of small, privately owned woodlots.

“This is land that owners are already considering timbering. If they can get animals in to move through and do understory management, that’s a win-win—a service to the landowners, and farmers can get land-share opportunities,” says NC Choices Director Sarah Blacklin. She hopes to announce the first farmer/landowner pairings in early 2019.

The project has benefited from ongoing research by ecologist Alan Franzluebbers, who manages a USDA silvopasture study in Goldsboro, N.C., where he’s been measuring the impact of animals on soil, forage quality, and timber production. “A lot of research needs to be done to quantify that,” he says.

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Local rancher Buron Lanier, who grazes cattle through his pine stands between timber harvests, has provided some useful data. Franzluebbers says Lanier’s silvopasture system potentially has greater soil organic matter than trees grown for lumber without livestock. And Lanier says silvopasture gives him “more fertile soils from manure deposits, in turn making the trees taller and the lumber more plentiful.

Silvopasture science is ongoing, on Franzluebber’s study plots and elsewhere. At the University of California, Berkeley, conservation biologists Claire Kremens and Adina Merenlender are researching its benefits to species biodiversity (so far, positive).

And back in Ithaca, the Gabriels are applying for a grant to test the nutritional quality of black locust trees as sheep forage. If the research continues to evolve, pathways—financial and otherwise—might open up for American farmers to try silvopasture on their own, or others’, unused acreages.

That sounds like good news to Kassie Gibson. “It gives you such a feeling of accomplishment when you see that land used,” she says.

Top photo: Cattle grazing in a silvopasture forest in Georgia. (Photo CC-licensed by the USDA National Agroforestry Center.)

Lela Nargi is a veteran journalist covering food policy and agriculture, sustainability, and science for outlets such as The Guardian, The Counter, City Monitor, JSTOR Daily, Sierra, and Ensia in addition to Civil Eats. She’s also the author of science books for kids. Find her at and @LelaNargi. Read more >

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  1. Thanks for sharing this information about silvopasture. Farmers are finding it's a smart system.

    Steve Gabriel will share his experience with it in a workshop at the 2019 MOSES Organic Farming Conference Feb. 21-23 in La Crosse, Wis. This is the country's largest event on organic and sustainable farming. Learn more at
  2. Paul crombie
    Areas that Are overgrown with native blueberry and goldenrod and other native "weeds" should be considered refugia for native bees and other pollinators. Does every square inch require a production animal on it?
  3. Jay Seymour
    Excellent! And the encouragement of native fungi, such as boletes, chanterelles, puffballs, etc. should be included for variety in your diets. Yum! Lamb with chanterelles!!
  4. Lynn Huntsinger
    The oak woodlands of California and Spain are long time silvicultural systems in arid rangelands. Worth a look. See the special issue on silvopastoralism in Rangeland Ecology and Management.
  5. James Maroney
    The choice is not the farmers’ to make. US agricultural policy requires farmers to over produce in order to maintain a surplus, which is how government keeps food prices low for consumers and manufacturers. The policy requires them to use toxic ferrules and herbicides to keep production high but these substances pollute the water and atmosphere. If society wants farmers to tske care of the environment it must prohibit farmers from using these substances, which will cause farm yields to shrink and food prices to rise. What is the chance Mr Trump’s government will legislate higher food prices to achieve a clean environment ?
  6. Terry Stricklin
    R.E. : Right to repair. I have a horror story that started when I bought a new 2015 Case TR 320 skid steer. One tool that victims can use is to file a complaint with their State Attorney General. The other thing that we must do is to file a Class Action lawsuit. The Attorney that I wanted to take the case is buried under lost time/overtime suits for low and mid level management personnel. Our hook is the lost productivity due to the LONG turnaround time for repairs. The dealers carry no inventory and rely on J.I.T. for parts. J.ust I.n T.ime was developed in Japan and might work in a small nation, but not here. Add in the exorbitant, dare I say fraudulent, price of the parts and labor and the fact that whiz - bang technology is NOT dependable and we have ample grounds for a lawsuit.
  7. Bruce Meyer
    Thank you. I'm selling my house and keeping the land and building a smaller efficient the grandpa house. You've given me new hopes and plans for my 30 Acer's near Florence Minnesota, half of which was planted to trees 20 years ago.
  8. Tracy Pettway
    I have goats.what type of trees can I plant to have a silverpasture?I will like to do a silverpasture so my goats and myself can profit from it .I live in Alabama.
    • Charles
      Hey, some trees that might work well in Alabama are pecans, peaches, persimmons, plums and apples. How successful these are will vary based on which part of Alabama you’re at. Figs and citrus may also work for you.
  9. Jane
    Having grown up on a small farm in Southern Illinois, seeing article like this and knowing there are efforts to stem some of the horrific mistakes we have made as stewards of this planet gives me hope.
    I may be getting older, but I still find concepts like silvopasturing one of the most exciting alternatives we have to the massive industrial models that have spoiled so much of our land, air, and health.
  10. This is a wonderful departure from the big-government white collar NGO thinktank recognition of the need to act in harmony with nature rather than extractively, as high input agro-industrial farming does. If only the proportion of eco-friendly practices can become dominant! Maybe we have a chance of saving the habitability of the earth.

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