What Is Forestry? Research Areas, Funding, and Career Paths

Forestry is the applied science and practice of managing forests and woodlands to provide timber, wildlife habitat, clean water, recreation, carbon storage and biodiversity, on a sustained basis over time. It draws on plant biology, ecology, soil science, hydrology, genetics, economics and policy, and points them at a practical, long-horizon problem: how to grow, protect and use forest resources so that today’s harvest, habitat or watershed benefit doesn’t come at the expense of tomorrow’s. This guide gives a genuine, thorough answer to what forestry studies, covers its major subfields, and adds the research-administration layer generic overviews leave out: who actually funds forestry research, the methods and tools the field relies on, and typical career and training paths into it.

What Is Forestry?

Forestry is the science, art and practice of creating, managing, using and conserving forests and associated resources to meet human and ecological needs, on a sustained basis. It is fundamentally an applied science: rather than studying trees and forest ecosystems purely for their own sake, forestry takes the tools of ecology, biology, soil science and economics and applies them to defined management goals — timber production, watershed protection, wildlife habitat, recreation, carbon sequestration — that often have to be balanced against each other on the same land base.

The field’s core questions include: How much timber can be harvested from a forest stand or landscape without degrading its long-term productivity (the classic sustained-yield problem)? How do disturbances — fire, insects, disease, drought, storms — shape forest structure and composition over time, and how should management respond to them? How do forest management choices affect water quality and streamflow in the watersheds forests occupy? How can forests be managed to sequester carbon, conserve biodiversity and remain resilient to a changing climate, while still supporting the communities and industries that depend on them economically? Answering these questions requires long-term field measurement (some forest research plots have been remeasured continuously for over a century), controlled silvicultural experiments, and increasingly, remote sensing and large-scale spatial data analysis.

Forestry is not the same thing as forest ecology, though the two overlap heavily: forest ecology studies how forest ecosystems function, largely for its own sake, while forestry is explicitly management-oriented — it takes ecological understanding and applies it to decisions about what to plant, harvest, protect or restore, and when.

How Forestry Relates to Neighboring Disciplines

Forestry sits inside applied environmental and biological science and draws heavily on several neighboring fields, and the boundaries between them are genuinely blurry rather than sharply defined:

• Biology and ecology supply forestry’s scientific foundation — plant physiology, population and community ecology, and ecosystem science all underpin how foresters understand tree growth, competition and disturbance. See this site’s companion guide, What Is Biology?, for the broader biological foundation forestry specializes from.
• Soil science and geology overlap where forestry studies soil formation, nutrient cycling and site productivity as the physical medium forests grow in.
• Hydrology is central to forest watershed management, since forest cover and management practices directly affect streamflow, water quality and flood/erosion risk in the watersheds forests occupy.
• Wildlife biology and conservation science overlap extensively with forestry wherever habitat management is a management objective alongside or instead of timber production; many forestry schools house wildlife and fisheries programs alongside forestry programs for exactly this reason.
• Agricultural science shares research infrastructure and funding mechanisms with forestry — both rely on land-grant university research stations and USDA formula-funding programs; see this site’s guide on What Is Agricultural Science? for the parallel funding and institutional structure.
• Economics shapes forestry through forest economics and policy research, which studies timber markets, land-use decisions, and the value of non-timber forest benefits such as carbon storage and recreation.

Major Subfields of Forestry

Forestry is not one discipline but a cluster of specialized subfields, each with its own research base and professional community:

• Silviculture — the science and practice of controlling forest establishment, composition and growth, through practices like planting, thinning and regeneration harvests, to meet specific management objectives.
• Forest ecology — the study of interactions among forest organisms and between organisms and their environment, including succession, disturbance ecology and nutrient cycling.
• Forest management and biometrics — forest inventory, growth-and-yield modeling, harvest scheduling and the quantitative methods used to plan sustainable timber and resource production over time.
• Forest hydrology and watershed management — how forest cover and management practices affect water quantity, quality and timing in forested watersheds.
• Forest genetics and tree improvement — breeding and selecting tree populations for growth rate, disease resistance, wood quality and climate adaptability.
• Forest products and wood science — the properties, processing and utilization of wood and other forest products once harvested.
• Fire ecology and fire management — how fire shapes forest ecosystems, and how prescribed fire and fuels management are used to reduce wildfire risk and restore fire-adapted forest types.
• Urban forestry and agroforestry — managing trees in urban/community settings and integrating trees with crops or livestock in working agricultural landscapes, respectively.
• Forest economics and policy — timber markets, land-use economics, and the policy frameworks governing public and private forest management.

How Forestry Research Is Funded

Forestry research funding in the United States runs through a mix of a dedicated federal research agency, a land-grant formula-funding program, and general-science funders, rather than through a single dominant funder:

• USDA Forest Service Research and Development (R&D) is the Forest Service’s own research branch and the largest forestry research organization in the country. It operates a national network of experimental forests and research stations and funds and conducts research directly (intramurally), spanning forest ecology, silviculture, fire science, watershed management and forest products.
• USDA’s National Institute of Food and Agriculture (NIFA) administers the McIntire-Stennis Cooperative Forestry Research Program, a formula-funding program (structurally similar to the Hatch Act program for agricultural research) that provides capacity funding to state forestry schools at land-grant and other eligible universities to support forestry research and the training of forestry researchers.
• The National Science Foundation (NSF), chiefly through its Directorate for Biological Sciences, funds fundamental forest ecology, ecosystem science and evolutionary biology research that underpins applied forestry work, including support for long-term ecological research sites in forested ecosystems.
• State forestry agencies and state forest experiment stations, often housed at land-grant universities alongside agricultural experiment stations, fund and conduct applied, regionally relevant forestry research.
• Forest industry-funded research cooperatives, housed at many university forestry programs, pool funding from timber and forest-products companies to support applied research on topics like tree improvement, growth-and-yield modeling and silviculture, run alongside public funding rather than replacing it.

This funder mix is worth understanding on its own terms: unlike biomedical research, where NIH dominates, forestry research funding is spread across a mission research agency housed inside a land-management agency (USDA Forest Service R&D), a land-grant formula program (McIntire-Stennis), a general-science funder playing a smaller, more upstream role (NSF), and industry cooperative funding that is real but narrower in scope than public funding.

Common Research Methods and Tools in Forestry

Forestry research spans field, laboratory and computational methods:

• Forest inventory and permanent sample plots — the discipline’s signature method: trees on fixed plots are measured (diameter, height, species, condition) and periodically remeasured, sometimes over decades, to track growth, mortality and stand development.
• Dendrochronology — tree-ring analysis used to date past disturbances, reconstruct historical climate and growth patterns, and study long-term forest dynamics.
• Remote sensing and LiDAR — satellite and aerial imagery, and increasingly airborne or drone-based LiDAR, used to measure canopy structure, forest biomass and change over large landscapes that would be impractical to measure entirely on the ground.
• Geographic information systems (GIS) — spatial analysis of forest cover, ownership, disturbance history and management units, central to landscape-scale forestry research and planning.
• Silvicultural field experiments — controlled trials of thinning, planting density, prescribed fire and regeneration methods, typically using replicated experimental designs to isolate treatment effects from site variation.
• Paired-watershed and hydrological studies — a long-established experimental design in forest hydrology that compares streamflow and water quality between a treated (harvested or managed) watershed and an untreated control watershed.
• Growth-and-yield and forest-simulation modeling — statistical and computational models, built from long-term inventory data, used to project how forest stands will grow and respond to management over time.
• Genetic and common-garden trials — tree populations from different sources planted together under identical conditions to study genetic variation in growth, disease resistance and adaptability.

Career and Training Pathways

Formal training in forestry typically starts with a bachelor’s degree in forestry or forest resources management, most commonly at a land-grant or other university with an accredited forestry program; in the United States, undergraduate forestry programs are accredited by the Society of American Foresters (SAF), the field’s principal US professional society, founded in 1900. Graduate programs (MS and PhD) specialize further into a subfield — forest ecology, silviculture, forest biometrics, forest hydrology, forest genetics and similar — and typically combine coursework with a substantial thesis or dissertation research project, often tied to field-plot or experimental-forest work.

A number of US states require practicing foresters to be licensed or registered, similar in structure to professional engineering licensure, through a state board of registration for foresters; requirements vary by state, so researchers and practitioners should check the specific state’s board rather than assume a single national standard. SAF also administers a Certified Forester credential, a voluntary national certification distinct from state licensure. Career paths include the USDA Forest Service and other federal land-management agencies, state forestry agencies, the forest-products industry, consulting forestry, conservation organizations, and academic and USDA-ARS-style research positions. Internationally, the International Union of Forest Research Organizations (IUFRO), founded in 1892, is the principal global network coordinating forestry research across national research organizations.

Frequently Asked Questions

What is forestry in simple terms?

Forestry is the science and practice of managing forests to provide timber, wildlife habitat, clean water, recreation and other benefits on a sustained, long-term basis, applying ecology, biology, soil science and economics to that goal.

What are the main branches of forestry?

The major subfields are silviculture, forest ecology, forest management and biometrics, forest hydrology, forest genetics and tree improvement, forest products and wood science, fire ecology and management, urban forestry and agroforestry, and forest economics and policy.

Is forestry the same as forest ecology?

No. Forest ecology studies how forest ecosystems function, largely for its own sake; forestry is explicitly management-oriented, applying that ecological understanding to decisions about planting, harvesting, protecting or restoring forests.

Who funds forestry research?

In the United States, the primary federal funders are USDA Forest Service Research and Development, which operates its own research stations and experimental forests, and USDA NIFA’s McIntire-Stennis Cooperative Forestry Research Program, which provides formula funding to university forestry schools. NSF funds fundamental forest ecology and ecosystem science, and industry-funded research cooperatives support applied work at many university forestry programs.

What jobs can you get with a forestry degree?

Common paths include work with the USDA Forest Service or state forestry agencies, forest-products industry positions, consulting forestry, conservation and land-trust roles, and academic or government research positions; many states require a license or registration to practice as a professional forester.

Related Guides

This guide is part of a series covering major scientific disciplines from a research-administration perspective — see the overview guide to the branches of science for how forestry relates to neighboring fields, this site’s What Is Biology? and What Is Agricultural Science? guides for closely related disciplines that share forestry’s land-grant research infrastructure, and What Is Sociology? and What Is Epidemiology? for other guides in this same series. Two companion discipline guides from this same content wave, covering fields that increasingly intersect with forestry research through spatial data analysis and wildlife-habitat work respectively, are forthcoming: What Is Data Science? and What Is Veterinary Science?. For the broader research-methods cluster this guide belongs to, see the Research Methods & Statistics hub.