Yellow Autumn Leaves On TreesStudents develop and understanding of the practices for maintaining a healthy forest ecosystem through the help of professional foresters. They learn species identification, forest structure and dynamics, and a variety of management approaches.

The forestry section of NH Envirothon will deal with the basic knowledge of forest types and facts that influence their diversity and use. Generally, your study should concentrate on the basics of how trees function and their importance to the forest ecosystem. You should focus on forest types, composition, identification and characteristics, important insects and diseases of New Hampshire forests, and the benefits of forest land and forest management practices. The forestry test will also include a few questions on the impact of nitrates and phosphates on water quality, and methods to reduce these impacts in agricultural and forest settings.

The forestry section of the NH Envirothon test will consist of a two-part challenge.

Part One: A written section consisting of short answer, multiple choice, and true and false questions on any tree or forest-related topic. The publication “Good Forestry in the Granite State” is a featured reference and a source for many of the Forestry test questions over the years. Focus on “Recommended Voluntary Forest Management Practices for New Hampshire” with special reference to the following sections: Regeneration Methods, Water Quality, Forest Management in Riparian Areas, and Stream Crossings and Habitat. All of these publications are available below.

Part Two: A hands-on field exercise, which will include tree identification, forest measurements and forestry management methods. Things to study for the exam include:

2017 Current Issue: Agricultural Soil and Water Conservation in New Hampshire

Our state’s locally-grown products are an integral part of our community economies, by increasing our diversity in land use at the local level.

Forestry best management practices (BMPs) not only contribute to soil and water quality but also provide income to the farm enterprise. Practices such as stream crossing techniques, wind breaks adjacent to agricultural lands, buffer strips along streams and waterways, and timber harvesting to prevent soil erosion all lead to increases in water quality.

In order to preserve water quality and soil nutrients, communities are beginning to develop land management plans to maintain water quality BMPs corresponding to soils, wildlife, forestry and aquatics, therefore providing increased functions to surrounding ecosystems.

Increased local agriculture also creates additional demands on local land and water resources. These potential pressures often lead to increased pollution, stress to local resources, the ecosystem and overall biodiversity.

The ecological foundation of our local economy is to protect and conserve the local water and soil resources.

North American Envirothon Study Guide

Benefits of Trees – International Society of Arboriculture

How New York City Used an Ecosystem (Case Study)

Where Rivers are Born: The Scientific Imperative for Defending Small Streams and Wetlands

Best Management Practices for Forestry: Protecting Maine’s Water Quality (reference pg.9, How Harvesting Affects Water Quality)

Living in Harmony with Streams: A Citizen’s Handbook to How Streams Work (reference chapter 2)

Sustainable Agriculture and Forestry (Case Study)

Managing the Water’s Edge

Forestry Resources

Forestry Terms


Measuring Trees

List of Tree Species

Tree ID Tips

All Trees: A Guide

NH BMP for Erosion Control on Timber Harvesting Operations (pages 4-5, 6-8, 11-16, 17-20, 26-34)

Forested Wetlands: Functions, Benefits and the Use of BMPs


Additional Resources

Northeastern Forest Regeneration Handbook (pg. 29-42)

Why Trees Grow Where They Do in New Hampshire Forests – USDA Forest Service, Northeastern Forest Experiment Station. NE-INF-37-39. By William B. Leak and Jane R. Riddle.

Silvicultural strategies in forest ecosystems affected by introduced pests – Type “Silvicultural strategies in forest ecosystems affected by introduced pests” when searching by title

Crop Tree Management Quick Reference – USDA Forest Service, State & Private Forestry

Beech Bark Disease. Background information – Houston, D.R. and J. T. O’Brien. 2007. Beech Bark Disease. Forest Insect & Disease Leaflet 75. U.S. Department of Agriculture, Forest Service.

Emerald Ash Borer – Background information on this defoliator.

Hemlock Woolly Adelgid – Background information on this defoliator.

Asian Longhorned Beetle – Background information on infestations.

Gypsy Moth – Background information on this major defoliator of trees in the United States.

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