Military training areas can support wildlife conservation when installations manage habitat deliberately, coordinate with outside partners and keep land uses compatible with training. The U.S. Department of Defense manages approximately 27 million acres across 338 installations, according to the U.S. Fish and Wildlife Service (USFWS). Those lands are not automatically wildlife refuges, and military activity can create noise, disturbance, contamination and habitat pressure. Conservation results depend on planning, monitoring and choices that protect ecological functions without making the training mission impossible.
This article explains the U.S. programs that make that balance possible, how installation plans differ from landscape-scale partnerships, what documented examples show, and what the available evidence still cannot prove.
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Why military lands matter for wildlife
Large installations often contain undeveloped forest, grassland, wetlands, river corridors and working landscapes that have been fragmented or converted outside their boundaries. Restricted access can reduce housing, roads and intensive commercial development, leaving blocks of habitat that are difficult to maintain elsewhere. That does not mean every base has high biodiversity or that training itself is beneficial. It means the land can offer conservation opportunities if managers account for wildlife in ordinary decisions about ranges, roads, fire, forests and water.
USFWS describes the Department of Defense estate as approximately 27 million acres on 338 installations. “Approximately” matters: this is an agency description of program scale, not a newly dated nationwide biodiversity survey. The acreage includes many land types and missions, so habitat quality and management needs vary widely from one installation to another.
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A 2004 NatureServe report provides historical context. It reported that earlier work considered military lands to support more federally listed species than any other major federal agency and to contain more imperiled species than lands managed by the National Park Service or USFWS. Those comparisons are dated and should not be treated as a current inventory or a present-day ranking. They explain why military properties have long been considered important pieces of a fragmented conservation landscape, not how many species benefit today.
How can military training areas support wildlife conservation?
Conservation is most compatible with readiness when it is built into land-use decisions rather than added as a separate activity after training schedules are set. Four mechanisms do most of the practical work:
- Installation-level natural-resource planning: each base identifies habitats, species, water, forests, soils and recreation needs and sets management actions around its mission.
- Professional and interagency cooperation: installation staff can draw on USFWS guidance and field support, as well as formal relationships with the Army and Air Force.
- Landscape-scale coordination: neighboring public agencies, states, Tribes, farmers, foresters and conservation groups can protect corridors and working lands outside the fence line.
- Compatible management: prescribed fire, invasive-species control, erosion prevention, forestry and infrastructure siting can be designed to reduce ecological harm while preserving access, safety and maneuver space.
The result is a management opportunity, not a blanket claim that military use improves wildlife conditions. A range with a well-funded habitat program may maintain open pine, prairie or wetland processes; another installation may face severe contamination, development pressure or species conflicts that limit what is possible.
Integrated Natural Resources Management Plans: the installation-level tool
USFWS says the Sikes Act requires most U.S. installations to develop and implement comprehensive natural-resource plans. These are commonly called Integrated Natural Resources Management Plans (INRMPs). The Service characterizes them as ecosystem-based plans intended to meet stewardship requirements while supporting, and in some cases enhancing, military training.
What an INRMP covers
An INRMP gives an installation a formal process for managing habitat, fish and wildlife, forestry, land, water and outdoor recreation. The plan connects those subjects to the installation’s actual mission: where vehicles can maneuver, where aircraft safety buffers are needed, when ranges are closed, how roads are built and how wildfires are controlled.
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A plan can identify priority habitats, threatened or endangered species, migratory birds, wetlands, game species, invasive plants, erosion hot spots and wildfire fuels. It can then assign actions, responsible offices, schedules and monitoring requirements. Because the plan is tied to the installation rather than a generic regional template, its priorities should reflect local ecology and the risks created by that base’s weapons, vehicles, aircraft and infrastructure.
Why planning can help readiness
Early habitat analysis can prevent a late conflict that shuts down a range or delays construction. For example, mapping wetlands before a road project can steer the route away from costly mitigation; identifying nesting seasons can allow training calendars to avoid a narrow sensitive period instead of imposing a broad closure; and maintaining firebreaks and prescribed-fire capacity can protect both habitat and ammunition storage areas.
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Random freezes, missing sound and display glitches usually trace back to one bad driver. Find and replace yours safely.Free scan · under a minutePlanning also creates an institutional record. When commanders, environmental staff and regulators change, the INRMP documents why a management action exists, what outcome is expected and how it relates to mission requirements. USFWS provides guidance and field support, but installations do not all use identical projects or have identical ecological results.
A practical INRMP cycle
- Inventory the landscape. Map habitat types, streams, wetlands, forest stands, threatened species, invasive species, contaminated areas and existing infrastructure.
- Map mission constraints. Record live-fire danger zones, airspace, maneuver corridors, security buffers, access roads, noise areas and planned construction.
- Set shared objectives. Select measurable habitat, species, water-quality, wildfire and readiness objectives rather than listing unrelated projects.
- Schedule treatments. Place prescribed fire, thinning, restoration, invasive-species control and erosion work where they support both ecological function and safe operations.
- Monitor and adjust. Track habitat condition, species use, wildfire risk, compliance and training effects; revise actions when evidence or mission needs change.
What is a Sentinel Landscape?
A Sentinel Landscape is a partnership that coordinates conservation and working-land stewardship with defense needs across a broader region than one installation. The partnership brings together defense, agriculture, interior, state, local, Tribal, private and conservation organizations. Its purpose is to keep land uses compatible with military operations while protecting habitat, farms, forests, water and community resilience.
The Sentinel Landscapes Partnership’s June 2026 announcement reported 21 designated landscapes supporting more than 60 installations across the nation and one U.S. territory. It also reported more than $1.75 billion in combined federal, state, local and private investment to date, including $368 million leveraged in fiscal year 2024. These are partnership investment and participation figures, not measurements of species recovery. Money committed or acres enrolled cannot be equated automatically with a population increase.
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How landscape coordination helps a base
Military training often depends on land outside the installation. Low-density farms and forests can preserve flight approaches, protect observation lines, reduce incompatible lighting and noise, and keep maneuver corridors open. Conservation easements, voluntary agricultural programs, forest management and water projects can therefore protect both wildlife and the operating space around a base.
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1Fix the driver behind crashes, sound loss and screen glitches2Clear out junk files and repair common Windows errors3Scan for outdated or missing drivers - takes under a minuteThe approach also addresses risks that do not stop at a property boundary. A wildfire can cross an installation fence; a polluted watershed can affect training infrastructure and downstream habitat; and suburban development can isolate a habitat block even when the base itself remains undeveloped. A regional partnership can align grants, easements and restoration so that individual projects reinforce one another.
Installation planning versus landscape partnerships
| Comparison point | Installation-level INRMP | Sentinel Landscape partnership |
|---|---|---|
| Geographic scope | One military installation and its managed resources | A multi-property region connecting installations with surrounding lands |
| Lead structure | Installation command and natural-resource staff, with agency coordination | Defense, agriculture, interior, state, local, Tribal, private and conservation partners |
| Main instrument | Ecosystem-based natural-resource plan and scheduled management actions | Coordinated conservation, working-land programs, easements and resilience projects |
| Readiness need addressed | Safe, legally compliant use of ranges, forests, waters and infrastructure | Compatible land use, open training space, flight corridors and reduced regional risk |
| Typical conservation objective | Habitat, fish and wildlife, forestry, water, recreation and invasive-species management | Connected habitat, working farms and forests, watershed protection and wildfire resilience |
| Evidence period in the cited material | USFWS describes the current program; installation outcomes vary | 2026 partnership figures, with examples also documented in 2016 and 2024 releases |
| What the figures establish | Planning and stewardship requirements, not a nationwide recovery rate | Participation and investment scale, not a comparable measure of species-population change |
Documented examples and what they illustrate
Camp Ripley, Minnesota
A 2016 Interior Department announcement described Camp Ripley as part of the Sentinel Landscapes approach, linking military readiness with water-source protection and habitat concerns that included the northern long-eared bat. The example is historical and shows how a training installation can work with surrounding partners on water and habitat while retaining its mission; it is not a current status report on the bat or on Camp Ripley’s population trends.
Avon Park Air Force Range, Florida
The same 2016 announcement connected Avon Park with conservation context for the gopher tortoise and red-cockaded woodpecker. Those species depend on functioning upland and pine ecosystems that can also require active fire and vegetation management. The lesson is not that an air-force range automatically creates ideal habitat, but that mission land can be included in a coordinated strategy for species and fire-dependent ecosystems.
Eastern North Carolina
Interior’s 2016 description also used Eastern North Carolina to show coordination among habitat, working lands and military-related land-use needs. In a rapidly changing coastal region, keeping compatible rural land around installations can reduce encroachment while maintaining wildlife connections and farm or forest production.
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East Mississippi and Pikes Peak
The Sentinel Landscapes Partnership’s 2026 announcement gives more recent examples. East Mississippi priorities include compatible rural land and flight-training needs. Around Pikes Peak, partners emphasize open training space and wildfire-risk reduction. These examples show how the partnership model adapts to different mission and ecological pressures; they do not provide a common before-and-after wildlife metric.
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Prescribed fire and fuels work
Many pine, prairie and savanna systems depend on periodic fire. Carefully planned prescribed burns can maintain open structure, reduce hazardous fuel and improve training-area safety. Timing, smoke management, weather limits, unexploded-ordnance procedures and wildlife seasons must be addressed in the installation plan.
Forest and grassland management
Thinning, selective harvest, mowing schedules and restoration plantings can create a mosaic of age classes and vegetation heights. That diversity may support different species while preserving visibility, access and fire control. Managers must avoid treating every open area as interchangeable: soil, hydrology and species requirements determine whether a treatment helps or harms.
Water and erosion protection
Buffering streams, stabilizing roads, restoring wetlands and controlling sediment protect drinking-water sources, training infrastructure and aquatic habitat at the same time. Projects should be designed around watershed processes, not just isolated drainage points, because runoff and contamination move beyond installation boundaries.
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Early detection and targeted treatment can prevent invasive plants or wildlife diseases from spreading through a range complex. Access restrictions, equipment cleaning and treatment timing may be necessary where live-fire safety or sensitive species limits ordinary maintenance.
Wildlife-safe infrastructure and scheduling
Road crossings, fencing, lighting, towers and buildings can fragment habitat or create collision risks. Siting infrastructure in already disturbed areas, adding wildlife crossings where appropriate and scheduling disruptive work outside critical breeding periods can reduce those effects without removing the facility from service.
Can military readiness and wildlife habitat protection work together?
Yes, when the objectives are negotiated together and management is adaptive. Readiness sets non-negotiable safety and access requirements; conservation identifies ecological limits and opportunities. The practical test is whether a proposed action preserves the training capability while producing a documented habitat, water, species or resilience benefit.
USDA Natural Resources Conservation Service Chief Terry Cosby stated in a May 2024 Department of Defense announcement that the efforts “preserve wildlife habitat, bolster agricultural and forest production, and support climate resiliency, among other benefits, while at the same time ensuring our military has the space it needs for its operations.” The statement describes the intended co-benefits of the partnership approach, not a guarantee for every installation.
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- Check the date and geography. A 2016 project description, a 2024 acreage figure or a 2026 partnership total should not be presented as a current nationwide result.
- Separate activity from outcome. Acres enrolled, dollars leveraged and plans completed show effort or capacity; they do not prove that a species population increased.
- Look for a baseline and monitoring method. A credible outcome claim identifies what was measured, when, by whom and against what comparison.
- Account for trade-offs. Noise, fire, contaminants, invasive species, road mortality and habitat fragmentation can offset benefits in particular places.
- Ask whether the result is mission-compatible. A conservation action that closes essential training space indefinitely is not a general solution, even if it benefits one habitat.
What the available evidence does—and does not—show
The cited materials establish a substantial land base, a statutory planning framework and active regional partnerships. They document examples in which habitat, water, working-land and readiness objectives were pursued together. They do not provide a current, comparable national estimate of wildlife population change attributable specifically to conservation on military training areas.
That evidence limit is important. A base may protect a rare habitat while another loses habitat to construction or suffers contamination. A partnership may enroll millions of acres yet have no published species response for several years. The strongest conclusion supported by the available record is that military installations can be valuable conservation partners when planning, funding, monitoring and mission decisions are integrated—not that military training areas universally function as wildlife refuges.
A decision framework for installations and partners
- Define the mission dependency. Specify the range, flight corridor, maneuver route, water system or safety function that must be preserved.
- Identify ecological assets and risks. Map priority habitat, species, watersheds, wildfire fuels, invasive species and off-site connections.
- Choose the smallest effective intervention. Prefer siting, timing, maintenance or restoration changes that solve the mission problem while avoiding unnecessary habitat loss.
- Bring in the right partners. Use USFWS expertise and involve state, Tribal, agricultural, forestry, local and private organizations when the issue crosses boundaries.
- Fund implementation and monitoring together. A treatment without follow-up data cannot show whether the desired ecological or readiness outcome occurred.
- Revisit the decision. Update the INRMP or regional agreement when training patterns, climate, wildfire, development or species status changes.
This approach treats conservation as part of operational land management. It also leaves room for honest results: some projects will produce clear co-benefits, some will reveal trade-offs, and some will show that a different site or method is needed.
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