1. Introduction
Sustainability has always been part of American forest management, but the definition of sustainability and what was being sustained have changed dramatically over the past hundred years. Forest management developed from a system that produced a sustained annual timber yield to one that meets today’s broader definition of sustainability that considers the multiple uses of the forest and the total environment, including ecological, social and economic factors. The forest management planning process and the American forest management textbook can be used to illuminate the gradual transition to the broader modern definition of sustainability.
Management plans, called working plans in the early forestry literature, are as old as the European roots of American forestry. In European forestry, management plans were prescribed, stringent documents that were the center of forest management activities. The earliest American management plans focused on forest organization, regulation, and sustained annual yield [
1]. The term forest regulation refers to methods to control the flow of timber from the forest. It is tied to sustained annual yield in that the regulated flow is usually on a perpetual basis and factors like area, timber volume, basal area, and growing stock are manipulated to produce the desired long-term sustained timber flow. What is now called a forest resource management plan would more aptly be called a timber management plan for at least the first half of American forestry history. Even today there are many forest management plans that have timber production as the sole objective.
In the early twentieth century Theodore Roosevelt and Gifford Pinchot (first Chief of the USDA Forest Service and founder of the Society of American Foresters) defined the purpose of American forestry using the utilitarian conservation philosophy [
2] as “the greatest good for the greatest number for the longest time”. The multiple use policy that has been a framework for American forest management planning evolved from this language [
3], but the original multiple use policy implicitly assumed timber primacy and sustained yield as co-foundations of the concept [
4]. This “wise use” approach prevailed over preservation approaches proposed by other environmental leaders like John Muir, and Pinchot’s Conservation Movement laid the foundations of later multiple use approaches. The Inland Waterways Commission, appointed by Theodore Roosevelt in 1907, was charged, for example, with multipurpose river basin development [
5].
Forest management textbooks are tangible evidence of then-current standards and philosophy in forestry. The transition of forest management plans from timber management plans to modern multiple use forest resource management plans can be traced from these textbooks. Forestry textbooks define the rationale, required components, and purposes of management plans. The temporal changes in these parameters illustrate changes in what foresters consider the foundations of the profession. This article utilizes these textbooks and related publications to trace American thought on forestry planning from the late eighteenth century to today.
One clue to what the professional norm on forest planning was at any time is the titles and content of the standard forestry textbooks. About one hundred years ago, the first textbooks had forest regulation in their titles; later the term changed to forest management as foresters were expected to consider broader aspects than pure sustained yield. But for at least the first fifty years of American forestry, forest regulation was the crux of forest management. What was the political and professional environment of this period and how is it reflected in the forest management textbooks?
3. Multiple-Use Forest Resource Management Plans
Post-World War II America developed a new attitude towards its natural resources. The country was more affluent, with an interstate highway system, and a population that now had much more leisure time. Recreation became important to many Americans. Economic growth and increased housing opportunities created lumber demand that impacted the nation’s forests. Some forest management activities, especially clearcutting, were starting to draw public attention. Protection of wilderness areas became a major public issue. Timber production was no longer the most important objective on every forest, or at least many people started to feel that way.
3.1. Federal Policy and Multiple-Use Management
By the 1950s federal forest policy was centered on “intensive timber extraction” and devices to increase the allowable cut. Forest industry considered anything less than maximum allowable cut to be a failure to achieve sustained yield. The major timber situation report of the decade [
31] made it clear that timber resources were the major concern in federal forest policy and multiple-use barely got a mention: “Much land in the national forests is primarily suitable for public ownership because of the multiple values involves, including the predominance of water and the growing importance of recreation”. The USDA Forest Service was moving to address recreation, wildlife, and wilderness issues that developed over the 1950s [
32], but belief in the “comfortable assumption that interest groups will balance each other in their struggles and produce polices of moderation” was eroding [
3]. The USDA Forest Service had promised all users they could get what they wanted from the same acre of land and this was not possible [
33].
By this time the forestry profession recognized the “group A” and “group B” foresters that Aldo Leopold described in Sand County Almanac [
34]. Type A foresters grew trees in rows like cabbages and type B foresters managed a natural environment. Leopold envisioned foresters moving towards group B over time.
The Multiple-Use Sustained-Yield Act of 1960 marks the point where management of the National Forests was required to consider “all the various renewable surface resources of the combination that will meet the needs of the American people”. Sustained yield now had to consider multiple outputs, not just timber, but also resources like recreation, fish and wildlife, forage, water quality, and wilderness. While the Act applied only to the National Forests, it helped lead to a general acceptance of multiple use forestry by other organizations.
Multiple use was still tied to sustained yield of the “various natural resources” and a clause in the act stated that it was “supplemental to and not in derogation” of the Organic Act of 1897 which clearly held that timber and water were the primary uses [
32]. The 1960 act was a turning point as it established multiple use as a statutory and professional foundation of forest management, but the public quickly realized it was not an effective piece of legislation [
20].
The environmental movement developed over the 1960’s and the clearcutting controversy stands out as a major issue of the decade. Major environmental legislation to come out of this turmoil was the National Environmental Policy Act of 1969, Endangered Species Act of 1973, National Forest Management Act of 1976, The Clean Air Acts of 1970 and 1977, The Federal Water Pollution Act of 1972, and the Clean Water Act of 1977, the Wilderness Act of 1964, the Wild and Scenic Rivers Act of 1968, and the National Trails System Act of 1968. Concern over water pollution from nonpoint sources led to adoption of “best management practices” by states, resulting in state forest practices laws. Gradually forest management plans were developing into multiple resource plans by necessity.
Still in 1966 the major forest management textbook [
21] had a chapter entitled, “Timber Management Planning and Plans”. The author notes that, “This book treats primarily timber production, but clear recognition is maintained that the central core of the forester’s concern is management for all resources”. The shift in focus from timber to broader resources was beginning, but really did not show up in the chapters of the textbook, but usually as a comment in the preface.
The clearcutting controversy climaxed with forest management practices on the Monongahela and Bitterroot National Forests in the mid-1960s. Public outcry resulted in Congress initiating reports on the forestry “problem”. The most influential of these was the “Bolle Report” that discussed the Bitterroot National Forest [
35]. It was extremely critical of forest management practices and claimed that neither multiple use nor sustained yield forestry existed on the forest [
4]. Following the Bolle Report other issues, like below-cost timber sales, gained public interest [
11,
36]. In 1976 the National Forest Management Act (NFMA) became law and together with the earlier Multiple-Use Sustained-Yield Act formed the basis of a shift from single objective timber management with economic and environmental constraints to optimization of multiple objective functions with no forest value dominating. The NFMA dealt with sustained yield (non-declining even flow) and repealed the Organic Act [
32]. This was a fundamental shift towards true multiple use forestry [
20] with simultaneous optimization of both market-based products and non-market commodities to maximize “net public benefits”.
Following the enactment of the NFMA the USDA Forest Service had to develop new regulations and regional guidelines. The law opened up avenues of legal challenge and litigation almost became part of the planning process [
37] and the need for “a management process, not a legal process,” that is, national forest planning had become a law and reversed the proper relationships in planning [
38]; the plan should be a guide and the managers not become subservient to it. Even apparently simple issues like identifying the constituency affected by the management plan had to be resolved [
39]. Behan [
40] even illustrated how the inflexible linear programming used in planning could be replaced with ordinal judgment. Considerable political polarization developed [
41] over the political process that held environmental protection to be a national interest and ignored “the viability of local economies, cultures, and social systems”.
Behan [
42] described the fundamental shift as a change in the paradigm of professional forestry. The problems identified in the Bolle Report had a basis in professional foresters “simply pursuing their traditional, orthodox paradigm of maximizing the sustained yield of commercial timber—a single resource—attempting to avert a ‘timber famine’ in the future”. He saw a better paradigm using a systems approach where foresters’ actions were analyzed in terms of impacts not just on timber, but also wildlife, recreation, watershed, and grazing [
42]. “The paradigm of professional forestry today is in fact undergoing a radical change, and the expectations of foresters’ social responsibilities are also altering substantially. ... The forestry profession is working out the details and techniques of ‘multi-resource forest management,’ in which the forest is seen as more than a tree plantation…”.
3.2. Forestry Textbooks and Multiple-Use Management
What were the textbooks saying in 1960? One major forest management textbook that came out that year [
43] said, “While this book will not cover such related fields as wildlife, watershed, recreation, and grazing management, uses of the forest other than for timber production cannot be overlooked in considering the tasks for forest management. On many of our National Forests these play a more important role than does timber production. ... Looking into the future, it is quite likely that the great increase in our population and the development of more intensive forest practices, including mechanization, will result in multiple use of our forests to a greater degree”. Another management planning book acknowledged that owners might expect the following results from a management plan: timber production, grazing use, fish and game use, recreational use, and aesthetics. However, only timber production was discussed after this acknowledgement [
44].
Even by the early 1980s timber management was still the theme of most forest management textbooks. Most made an effort to acknowledge other resources, but when the textbook shifted to problem solving, timber seemed to dominate the discussion. However, textbooks can also be ahead of their times. In the late 1960s the Society of American Foresters and the various forestry schools cosponsored the Forestry Curriculum Development Project that was about integrated forest management and the “whole forest”. It resulted in a new forest management textbook [
45] that “spanned the array of renewable resources, addressed economic, political, social, personnel, and decision-making themes; and even spoke explicitly about the forest as a single system in a hierarchy of systems” [
46]. The book on integrated forest management required integrated teaching and this “threatened the heritage and sanctity of the individual professor’s autonomous course” and the book was attacked for being insufficiently rigorous [
46]. The established textbook using the sustained yield paradigm was safe from the integrated approach, at least for the time-being.
Soon after the integrated management textbook, a textbook tying classic timber management to modern linear programming and other quantitative approaches appeared [
47]. It used the same concepts Pinchot used [
46]: fully regulated forest, “maximum sustainable harvest,” and “sustainable equilibrium harvest”. The textbook made no apology for being single resource oriented. Other forest management textbooks only touched on resources other than timber [
48].
In 1987 the first forest management textbook to clearly consider non-timber resources as part of the decision-making process was produced [
49]. The preface to the textbook states that a change has occurred and multiple-use forestry was now an integral part of a forest management textbook:
“Our revision of Kenneth Davis’s “Forest Management: Regulation and Valuation,” second edition reflects three fundamental shifts in the tenets of forest management: (1) the new dominance of economic and social goals as the determinants of forest management choices, (2) the necessity of private and, especially, public managers to consider all timber management decisions in the context of a larger, socially defined, multiple use management problem, and (3) the need to justify, based on quantitative analysis, that management recommendations, decisions, and plans satisfy owner constraints and are the best of the alternative choices. Technologically, it was our good fortune that the computer came along just in time to help us with the enormous amount of quantitative analysis needed to satisfy these shifts. But computers are also now an everyday part of our professional lives”.
Behan [
46] called this a “marginal improvement” in forest management textbooks that did recognize “a forest is more than trees”. When he analyzed the textbook he found the “normal science” of classical forest regulation and not a “paradigmatic breakthrough”.
4. A Fundamental Shift
Behan [
46] described the shift to a systems approach to forest management planning that was multiresource-based and about the same time the mathematical models available to planners advanced to meet the need. During the 1970s mathematical programming, in particular linear programming, began to enter the realm of forest management courses. All of the forest management textbooks of the 1980s were essentially applied linear programming textbooks. Some are developed from course notes of the late 1960s and 1970s where linear programming was introduced outside of the regular forest management textbooks [
50], and some centered on broader natural resources issues [
51]. Linear programming was a mathematical technique to maximize or minimize a linear objective function (usually to maximize timber output or profit or minimize costs of production). The advantage was that timber production goals could be maximized while conforming to non-timber constraints or non-timber goals could be maximized while timber production goals were being met.
Forest resource management planning was no longer limited to single goals. Quantitative methods existed to consider specific landowners’ objectives subject to specific constraints [
52]. This meant the complexity of forest resource management planning could increase. Now timber production could be analyzed in the context of other resources, either as the primary objective, or as a secondary objective. Without the quantitative tools that became widely available after World War II and the modern computer, forest management planning would have had a much more difficult transition to multiple-use forestry.
The 1990s were marked by the USDA Forest Service’s commitment to develop an ecosystem approach to managing multiple uses on national forest lands [
5]. Dale Robertson, then Chief of the Forest Service, described it as meaning [
53] “that we must blend the needs of people and environmental values in such a way that national forests and grasslands represent diverse, healthy, productive, and sustainable ecosystems”.
By the turn of the century the standard forest management textbook [
54] had social, environmental, and economic goals integrated into the timber production process and it recognized four viewpoints: (1) the classic sustained yield of commercial timber, (2) multiple use–sustained yield, (3) naturally functioning forest ecosystems, and (4) sustainable human–forest ecosystems. Adaptive management and sustainability were major themes of the textbook. These illustrate the temporal transformation of forest management planning, from the classical sustained yield to the modern social, ecological, and economic parameters that define modern forest management. Something was always being sustained in forest management, over time that thing moved closer and closer to what we call forest sustainability today.
At the same time forest resource management planning was being impacted by major changes in federal funding for nonindustrial private forest management planning. The 1990 Farm Bill created the Forest Stewardship Program. Funding was through the USDA Forest Service to state forestry agencies. The goal was to encourage active multiple use forest management by nonindustrial private forest owners. The key mechanism was to be forest stewardship management plans that centered on explicit management objectives (at least a primary and secondary management objective). This program greatly impacted the teaching of forest resource management planning. The popularity of the Forest Stewardship Program made it a benchmark and its principles became incorporated into many management planning courses. Forest owners showed a strong preference to a multiple resource objectives-oriented planning process [
55] and a favorable attitude towards the overall program [
56]. An outline of a typical forest stewardship forest management plan is shown in
Table 2 [
57]. The Forest Land Enhancement Program replaced Forest Stewardship in the 2002 Farm Bill, but the objectives of the two programs are the same.
Since it was established in 1991, the Forest Stewardship Program has produced more than 260,000 multiple-resource management plans encompassing about 30 million acres of nonindustrial private forest land. These plans lay out the strategy for achieving multiple-resource forest management objectives and motivate landowners to be more active in planning and managing their forests [
58].
Table 3 presents the components of a Forest Stewardship Plan [
59]. These plans are one of the best examples of current operational forest resource management planning that stresses multiple-resources.
Forest Stewardship required different ways to view the planning process. Timber was always the main component of planning, as it so directly affected the other resources. More productive forests could supply both more timber and at the same time spare forestland for uses other than timber, like sequestering carbon, ecosystem services, or wildlife habitat [
60,
61]. Different ways to approach the public participation in the planning process were proposed, like collaborative learning [
62]. Sustained yield is still a concept in American forestry, but today sustainability means more than that [
63].
Sustainable forestry now relies on management strategies and technologies that interact with social and economic institutions to ensure the long-term viability of the forest [
64]. Forest management textbooks were not quick to catch up with the full framework of the current broader definition of sustainability. The two current textbooks both stress optimization of output (though not necessarily timber production), linear programming, harvest scheduling, and forest planning that tends to be timber-based. However, both of these textbooks explicitly recognize the place of forest sustainability in the forest planning process and discuss its role in forest resource management [
54,
65].
Table 2.
Generalized forest stewardship management plan.
Table 2.
Generalized forest stewardship management plan.
I. Management objective (Examples below, both primary and secondary required). |
Timber production Wildlife habitat Protection of soil and water Recreational opportunities Aesthetic values Range (grazing) Non-timber forest products Forest health
|
II. Stand description and recommendation |
|
III. Management of related resources |
|
IV. Food Plots |
V. Threatened and endangered species |
VI. Soil and water resource recommendations |
|
VII. General recommendations |
Best management practices for wetlands Forest practices guidelines Smoke management guidelines (used in prescribed burning)
|
VIII. Suggested management schedule |
Schedule of management activities Schedule of costs and revenues Schedule of timber and nontimber outputs
|
IX. Maps and aerial photographs |
X. Organization providing local natural resources management assistance |
XI. Glossary |
Table 3.
Components of a Forest Stewardship plan.
Table 3.
Components of a Forest Stewardship plan.
1. Identify the Plan. |
Identify the landowner and plan preparer. Identify the property (location, acreage, tract data like known threatened or endangered species or soils information. Include maps (location, boundaries, roads, covers type, etc.).
|
2. Present Management Objectives. |
Landowner should prioritize property values: (i) aesthetics, (ii) recreation, (iii) timber production, (iv) fish and wildlife, (v) range, (vi) water, and (vii) soil. Translate priorities into measurable management objectives. Incorporate landowner’s timeframe and financial expectations into objectives.
|
3. Describe Baseline Habitat Conditions. |
Divide property into units, stands, tracts, or compartments as necessary for making management recommendations. Factors like cover type, size class, age stocking, origin, stand conditions, and site capacity create diverse conditions and require different management strategies. Maps are necessary to describe the tract. A cover type/stand description is necessary and all stewardship values should be described: (i) timber, (ii) wildlife habitat, (iii) fish, (iv) threatened and endangered species, (v) soils, (vi) water quality, (vii) recreation (viii) aesthetics, (ix) wetlands, (x) heritage resources, (xi) range, and (xii) forest health.
|
4. Present Management Recommendations |
Describe strategy for achieving landowner objectives. Recommendations should be at the stand or management unit level. Include alternative management strategies. Include an activity schedule/time line that outlines strategy implementation. Communicate the plan to the landowner.
|
5. Include Supplemental Material. |
Tradition slowly changes; economic optimization, forest valuation fundamentals, and regulation of some sort of product flow are in all the forest management textbooks discussed. The most recent of these textbooks includes chapters on forest and natural resource sustainability, forest certification, and carbon sequestration [
65]. These forest management textbooks provide a clear overview of how forest sustainability is perceived, defined, and implemented by the forestry profession.
Current forest management textbooks have kept up with forest technology changes over time. Linear programming was the most important, but geographical and spatial models, advanced silvicultural techniques, planning models, simulation, and adaptive management are now expected to be in forest management textbooks. Ecological considerations now offer a framework for forest management; social and economic factors are part of that framework.
Today, forest resource management planning still often has a quantitative basis; especially for very large acreages that require linear programming for optimization. Timber production is still be important, but the value being optimized (maximized or minimized) could easily not be timber. Other values, like wildlife and recreation, are just as common. Public pressure is requiring more and more private land to be managed with societal values providing guidance. Forest certification programs like the Sustainable Forestry Initiative (SFI) and the Forest Stewardship Council (FSC) now require this kind of management. Public land management is now integrated resource management [
66], and this is the direction that most forest management planning is headed. The current forest management textbooks clearly reflect this.
The temporal trend in the use of sustainability concepts in American forest management textbooks is shown in
Table 4. The transition that began in the 1960’s gradually led to stronger and stronger recognition of what are now current forest sustainability concepts.
Table 4.
Sustainability concepts summary in American forest management textbooks.
Table 4.
Sustainability concepts summary in American forest management textbooks.
Author | Sustainability Concepts* |
---|
SY | CP | SY/MU | IM | EC | S/E/E | FS |
---|
Roth, 1914 [23] | X | X | | | | | |
Recknagel et al., 1919 [25] | X | X | | | | | |
Woolsey, 1922 [24] | X | X | | | | | |
Recknagel et al., 1926 [26] | X | X | | | | | |
Chapman, 1931 [27] | X | X | | | | | |
Matthews, 1935 [28] | X | X | | | | | |
Meyer et al., 1961 [43] | X | X | | | | | |
Davis, 1966 [21] | X | X | X | | | | |
Duerr et al., 1979 [45] | X | | X | X | | | |
Clutter et al., 1983 [47] | X | X | | | | | |
Leuschner, 1984 [48] | X | X | X | | | | |
Davis et al., 1987 [49] | X | | X | X | | | |
Davis et al., 2001 [54] | X | | X | X | X | X | |
Bettinger et al., [65] | X | | | X | X | X | X |
5. Conclusions
American forest management textbooks clearly follow the transition in forest resource planning from a timber management emphasis to a multiple use/sustainability emphasis. The basic framework of what constitutes a forest management plan has remained unchanged, while the fundamental philosophy on the goals and objectives of why a plan is prepared has changed. Timber is still the dominate issue in forest planning; after all, it is what is manipulated to achieve most management objectives. For example, wildlife management fundamentally requires management of vegetation, so timber management often becomes the method of management. This is also why forest resource planning sometimes becomes suspect. Some observers see management for wildlife, fire, or forest health sometimes used as a rationale to cut more timber.
For large industrial concerns and some small private landowners, timber management plans might still be the primary focus of forest planning. However, over time, more and more pure timber management plans are seen as unacceptable. Stewardship planning and sustainability are now hallmarks of good forest planning. Forest management textbooks plainly recognize this. At the least, the old multiple use concept is utilized by most forest landowners. The transition is still taking place, but there is little doubt that forest resource management plans now follow the pattern of
Table 2 and
Table 3. As forest owners’ social values continue to shift, so will the objectives of planning shift. Forestry textbooks have begun to recognize this dynamic nature of modern forest planning.