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Digging Deep

Holistic approaches to land management could sustain land, water and wildlife into the future

By Lauren Krizansky

blanca trinchera ranchTheir methods are as diverse as the problems they are trying solve, yet the desired result is constant:keep the water flowing to keep life on the land. In the San Luis Valley, land managers face water shortages and environmental changes that could not only hinder the future of local agriculture, but also affect the quality and availability of wetlands and wildlife habitat.

In the foothills and mountainous regions to the east and west of the valley, decades of natural forest fire suppression have led to conditions now primed for massive,  unpredictable burns. And along the southern reaches of the Rio Grande, unsupervised animal grazing is despoiling valuable riparian areas that serve as habitat for many species, including the endangered southwestern willow flycatcher.

These realities have some land managers turning to both historical and innovative practices that not only preserve what lives today, but also stabilize and enrich the many ecosystems— forest, farm and ranch—that make the San Luis Valley’s precious landscape productive and full of promise for coming generations.

Beneath three 14,000-foot Sangre de Cristo mountain peaks rests the largest conservation easement in the nation. The Trinchera and Blanca ranches comprise 170,000 acres of safeguarded land near Fort Garland, and are considered the foundation for the new Sangre de Cristo Conservation Area. The conservation area, established in 2012 after the ranches’ owner Louis Bacon committed additional acres to the conservation easement, is one of the world's longest protected wildlife corridors, expanding from southern Colorado into New Mexico.

The Trinchera Ranch was already partially protected through a Colorado Open Lands
easement, and last year Bacon entered into an agreement with the U.S. Fish and Wildlife
Service to continue ongoing conservation efforts across the Blanca Ranch with an easement’s added protections for water rights and limits against subdivisions.

The Trinchera and Blanca ranches’ main conservation goal is to improve wildlife habitat.
In cooperation with Colorado Parks and Wildlife, the ranches have piloted Ranching for
Wildlife, a program to provide public hunting opportunities.

The ranches are managed with wildlife and the role they play in the ecosystem in mind—in
part to maintain a healthy herd of 3,500 elk. But, says second-generation Trinchera Ranch manager Ty Ryland, “When we look at habitat improvement, we don’t look at just deer and
elk. We look at all of the species that are on the land from an environmental standpoint. We are trying to look at it from a broad base to help everything that we can.”

That broad base leads to conservation practices that include aspen regeneration, conifer
rehabilitation, 16 center pivots and 25,000 acres of flood-irrigated ground, plus stream restoration and sustainable crop rotations alongside unique habitat improvements designed to keep and attract wildlife. In addition to rotating crops, the ranch plants cover crops following its harvests. “We use those crops mainly to help retain moisture and to use as a forage for elk in the winter,” says Ryland.

Above the fields, Ryland has witnessed prescribed burns, used as a conservation tool
both on public and private lands, slowly stabilize his forest. “Suppressing all of the fire has
made the forest too thick and there are too many stems per acre,” Ryland says. “We are
trying to get back to that sustainable level where the trees have enough moisture to grow.”

The burns are resulting in improved habitat for antelope, deer and elk while also satisfying
other ranch conservation goals, including capturing water that once flowed without direction. “We try to encourage the native grasses to grow back within those areas and it has been a great success,” Ryland says. “It has reduced our erosion on the ground by at least 80 percent, and the overland flow of water is now absorbed.”

In the heart of San Luis Valley crop country, Brendon Rockey looks out over his Center potato fields in a spring windstorm, watching his soil stick to the ground while sand
stirs for miles around. It is what he expects, and he relishes in his resilient creation that
is in tune with Mother Nature. For several years, he has been repairing what he views
as man’s land management mistakes, which include neutralizing the soil with powerful
chemical fertilizers and pesticides.

“Soil health has come in and is gaining a lot of momentum now, but all we are doing is
solving the problems we created ourselves,” says Rockey, who leads the local soil health
group and won the 2011 Colorado Association of Conservation Districts Conservationist
of the Year award. Now, in a course correction, Rockey and others are going back
to the past. “We are moving back to the way that we used to farm,” he says.

Rockey and his brother Sheldon practice holistic potato management, which began two generations ago with their grandfather and uncle. The practice focuses on all the
living organisms in a farming system instead of just the final product or cash crop’s health
and yield. It analyzes the effect of one input on the many factors that create the “whole”
and aims to develop a balanced agroecosystem. Management decisions are made
only after considering the impact to system components like insect populations and
purpose, irrigation frequency, soil microbiology and soil structure. Specifically, Rockey
Farms develops soil aggregates—clusters of bound soil particles that aid retention and
exchange of air and water—through diverse microbiology and a strict irrigation regimen.
If over-irrigated, the soil can become waterlogged, enabling certain pathogens and
weeds to thrive in the anaerobic environment, Rockey explains.

Two major holistic management components Rockey Farms incorporates are green manure crops in the potato rotation and companion crops, like peas, in the potato fields during the growing season. “Adding companion cropping has increased the amount of carbon being added back to the soil, especially when my peas germinate and grow a whole new crop after potato harvest," explains Rockey. And the multispecies green manure crop—which can include sudan grass, peas, common vetch, buckwheat, tillage radish, turnips and
oats—out-competes weeds and also adds carbon to the soil, striking chemical products
entirely from the equation.

“[Conventional farmers] think inorganic chemicals were the savior of agriculture,” Rockey says about modern practices blamed for weakening the soil so it cannot process nutrients or retain water. “It is actually what has led our agriculture down this downward spiral.”

With his own farm’s soil health ever improving, Rockey says that when the water stopped coming from the sky, their work had unintended yet beneficial consequences. They have reduced water use an average of 9 inches per acre compared to the conventional 15 to 22 inches for a two-year potato and grain rotation.

“Through the addition of carbon to the soil and the soil structure, we increased infiltration
and water-holding capacity,” says Rockey. “When we started down this path, the water savings wasn’t a huge issue to us. Then the water savings came along, which worked out really well because we were already so far ahead of the curve when we hit a drought in the San Luis Valley.”

To the west of Center sits La Garita, a tiny town hidden off the main road in the vast high desert and nestled in the San Juan Mountain foothills. Mike Spearman, a retired
rancher, has called La Garita home for more than 30 years. Today, he has the privilege of
watching what was once his livelihood—the L-Cross Ranch—pass to the hands of another
without fear development will devour decades of labor and love.

“The type of agriculture might change, but [the land] is still going to be in agriculture,”
says Spearman, who also formerly served as Saguache County Commissioner. “You can’t take the water away from it,” he continues, explaining that the easement binds the water rights permanently to the land. “That improves the odds that the land will stay in  agriculture and those special places will remain protected.”

In 1998, Spearman worked with The Nature Conservancy to place the 6,000-acre L-Cross Ranch into a conservation easement that fit the area’s unique characteristics including wildlife and people. “In this part of the world, when you ranch, you have to figure out how to do that with wildlife,” Spearman says. “You co-exist with all living things.”

The Nature Conservancy describes its easements as selectively targeting "those rights necessary to protect specific conservation values"—like Spearman's desire to enable co-existence. The land remains in private ownership, and continues to provide
economic benefits for the area in the form of jobs, economic activity and property taxes
into the future. A conservation easement is legally binding, even if the property is sold
or passed on to heirs.

Outside of the conservation easement, elkand cattle co-exist with help from the U.S.
Forest Service and Bureau of Land Management through Spearman’s implementation
of a rapid rotational grazing program, a land management regimen that moves a large number of animals quickly through specified pastures. The goal is to have the animals remove a percentage of available forage in a short time, then relocate the herd to allow the grasses to recover.

"A 45-day period with no grazing allows grass to manifest itself very well," Spearman
says. "Once cattle return they love the re-growth. We validated this concept on the
forest by noting that the elk were seen grazing just ahead of when the cattle were due
back in the pasture." In addition, the pasture re-growth creates a ground canopy that enables water to remain in the soil profile longer without running off.

Carnero Creek Rio Grande cutthroat trout are also recognized in Spearman’s land management plan. Their stream habitat is protected with aid from the U.S. Department
of Agriculture’s Environmental Quality Incentives Program (EQIP), a voluntary program
providing financial and technical assistance to agricultural producers through contracts.
The contracts help land managers plan and implement conservation practices addressing
natural resource concerns including soil, water, plant and animal resources with assistance
from Natural Resources Conservation Service specialists. The practices are subject to NRCS technical standards tailored for local environments.

The L-Cross Ranch conservation easement also designates preexisting sites called "building envelopes" that allow people to build homes in La Garita, but not too close to fragile riparian areas. “You have to have an affinity for riparian areas and how important those types of ecosystems are to us all,” Spearman explains. “Not every state has them. Gobs of things depend on that water source coming through this desert.” The easement, he adds, is one action that keeps the streams and riparian zones intact and migration corridors open.

“It is so future generations can see what the natural habitat was to begin with,” says
Spearman, who is now working to put easements on other, smaller nearby ranches. “You have to have some kind of action that keeps the land from being developed.”

Far from Carnero Creek, in the southern end of the San Luis Valley, abandoned and feral horses are exhausting many natural resources on public lands and causing mixed
reactions. Early in 2013, the U.S. Fish and Wildlife Service declared parts of the San
Luis Valley critical habitat for the endangered southwestern willow flycatcher in spite of a costly Habitat Conservation Plan created by local entities to avoid such federal designation. The plan was crafted to protect both agriculture and the songbird, while implementing abandoned and feral horse management techniques.

The horses are a threat to the rangeland because, when left to their own devices, they can eat grasses and shrubs down to the soil and beyond. Their teeth allow them to access roots under the ground, which can enable weaker pioneer plants to propagate. The weaker plants struggle to maintain the riverbank’s integrity and permit the riverbed to recede. There is potential for improved habitat for many wildlife species if the grazing can be brought under control.

In 2006, the Rio Grande Natural Area was established to conserve, restore and protect
a 33-mile stretch of the Rio Grande, including land where the abandoned horses roam. In partnership with the BLM, the area’s managers have prioritized the problem and are hoping to work with local landowners to develop solutions through education and cooperative efforts to improve management of the area.

Up the road, Ryland has observed southwestern willow flycatchers living in riparian corridors near both the Trinchera and Blanca ranches and sees opportunity to invest in
the bird’s future. “It is just a matter of trying to help where we can,” Ryland says. “We
do have considerable willows on the ranch, and we work to protect that species. Any of
that we can help restore—we want to.”

Ultimately, it’s that personal investment and cooperation between man and nature, public agencies and private landowners, that will ensure the region’s farms, ranches and public lands continue to thrive.

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