Desertification Is a Loss of Function, Not a Label

Desertification is often discussed as if it were a place on a map or a synonym for drought. Neither is useful to a land manager.

Drought is weather. A desert is an ecosystem. Desertification is a decline in the land’s ability to protect soil, accept water, support living roots and recover after stress. It can occur in dry country without turning that country into a true desert. It can also accelerate during drought when management has already left the soil exposed.

That distinction matters because weather cannot be managed, but many of the conditions that decide how land responds to weather can.

Begin with what the ground is doing

The Natural Resources Conservation Service’s Interpreting Indicators of Rangeland Health does not ask whether a pasture looks green from the road. It examines soil and site stability, hydrologic function and biotic integrity relative to what that ecological site can reasonably support.

One of its clearest indicators is bare ground—not merely the percentage, but the size and connectivity of bare patches. As those patches become larger and join together, raindrops strike unprotected soil, wind can move fine particles, and runoff can travel farther before meeting an obstacle. Water that should enter the soil instead leaves the site carrying soil with it.

That is a functional description. It avoids two common errors: treating all bare soil as degradation, and assuming any plant cover is evidence of health. Natural bare spaces belong in many arid systems. Dense cover by the wrong structure or a simplified plant community can also conceal declining function. The comparison must be made against the site’s potential, not against an imported picture of what “good” land should look like.

Drought reveals management; it does not explain everything

In September 2026, NRCS reported that Wichita, Kansas, had recorded its driest July–August period since 1936. The agency described the Dust Bowl as the product of prolonged drought, high winds and topsoil left exposed by tillage. That history is not evidence that every modern dust event is another Dust Bowl. It is a reminder that climatic stress and land condition interact.

Wind erosion research makes the same point. Dust emissions reflect weather, soil texture and aggregation, surface roughness, and vegetation. A manager cannot order rain or stop the wind. The manager can ask whether soil is covered, whether disturbance has left it loose, whether plant roots remain alive, and whether recovery periods match current growing conditions.

This is where arguments about single practices become dangerous. Removing animals, adding animals, planting grass, cutting brush or building earthworks may help in one place and fail in another. The relevant test is not whether a practice carries the right label. It is whether it improves the functions the land has lost without creating a new failure elsewhere.

Use a reference, then watch the trend

A sound evaluation has three parts.

First, identify the ecological site. Soil, landform and climate establish different potentials. A shallow desert slope should not be judged against a deep-soil prairie.

Second, compare current indicators with an appropriate reference. Look at litter movement, pedestals, rills, gullies, plant-community structure, invasive plants and the pattern of bare ground. No single indicator settles the diagnosis.

Third, repeat the observations after meaningful events: a growing season, a grazing period, a treatment and a major storm. Direction matters. A site can remain imperfect while recovering, or appear stable while slowly losing resilience.

Pitchstone’s Land, Soil & Water collection repeatedly returns to this practical standard: land, water, plants, animals and management must be judged together. That does not make every claim in an old archive item current science. It makes the archive’s central question durable: what is the land doing now, and what decision would improve its capacity to function?

Desertification is too important to use as a slogan. Call it only after looking closely. Then manage the process, not the word.