What's New
- How to Recognize and Reduce Tree Hazards in Recreation Sites
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An understanding of the many factors affecting tree hazards in recreation sites will help predict which trees are most likely to fail. Hazard tree management deals with probabilities of failure. This guide, written for anyone involved in management or maintenance of public use areas that contain trees, is intended to help minimize the risk associated with hazard trees by presenting information on their identification and treatment
- How to Diagnose Black Walnut Damage
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Black walnut trees, like all other plants, are susceptible to a variety of injuries that reduce or destroy their usefulness. The first step in preventing or controlling these injuries is to identify their cause. Most damage is caused by disease, insects, birds, mammals, or weather.
- Gypsy Moth
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The gypsy moth, Lymantria dispar Linnaeus, is one of the most notorious pests of hardwood trees in the Eastern United States. Since 1980, the gypsy moth has defoliated close to a million or more forested acres each year. In 1981, a record 12.9 million acres were defoliated. This is an area larger than Rhode Island, Massachusetts, and Connecticut combined.
- Grow and Maintain a Healthy Birch Tree
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In many landscapes, birch trees begin to decline within a few years, and many trees die well before reaching maturity. A healthy birch tree should be able to survive and thrive for 40-50 years. In many yards, however, it is not unusual for birch trees, especially the white-barked birches, to die well before reaching 20 years of age.
- Fungicide Injection to Control Dutch Elm Disease: Understanding the Options
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In some situations, injecting trees with fungicides is an effective treatment for the management of Dutch elm disease (DED). Several injection products are on the market, and various means of application are recommended. Each product and method has pros and cons. The "best" product depends on the individual tree its current condition, the objectives of the treatment, and the resources available.
- Flooding and its Effects on Trees
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The 1993 floods along the Missouri and Mississippi Rivers and their tributaries have caused tremendous losses in terms of human life, homes, businesses and crop production. Bottomland areas have been under water for many weeks. Landowners, homeowners, foresters, park managers, and others are concerned about the long-term effect of the flooding on the forests of the Midwest and the Great Plains.
- Collect Field Samples and Identify the Oak Wilt Fungus in the Laboratory
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Oak wilt is a serious disease that infects many species of oak. It is responsible for the death of thousands of oak trees in forests, woodlots, and home landscapes each year. Oak wilt occurs in the eastern U.S., in an area delimited by Minnesota, Texas, Pennsylvania, and South Carolina.
- Christmas Tree Pest Manual
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This manual can help you identify and control damaging Christmas tree pests in the North Central region of the United States. Most of the information also applies to the northeastern states and to the southern portions of the Canadian Provinces that border these states.
- Autumn Colors - How Leaves Change Color
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The "Indian summer" days of autumn, when the days are clear and sunny and the nights cool and crisp, provide an almost irresistible lure to those who enjoy the outdoors. This type of weather is also the most favorable for a spectacular show of autumn colors, making this season of the year still more delightful.
- A Technical Guide to Urban and Community Forestry
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The Technical Guide to Urban Forestry was produced to help communities develop, manage and protect their urban forest resources. The purpose of this publication is to provide technical information about growing trees in the relatively adverse urban environment.
- The Southern Pine Beetle, Dendroctonus frontalis
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The southern pine beetle (SPB), Dendroctonus frontalis Zimmermann, is the most destructive insect pest of pine in the southern United States. A recent historical review estimated that SPB caused $900 million of damage to pine forests from 1960 through 1990
- Income Opportunites in Special Forest Products
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For many rural areas, the path to sustainable economic development will include innovative approaches to natural resource conservation, management, and utilization. This publication describes special forest products that represent``opportunities for rural entrepreneurs to supplement their incomes.
- Trends in Working Forest Conservation Easement Language
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The easement comparison study identified purposes, restrictions, and forest management requirements of a national sample of WFCEs over 1,000 acres in size, and organized this data into relevant themes (water, technology and extraction, development, forest management, ecosystem and rare species, and recreation).
- Sustainable or Certified Forestry?
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In the past two years, "Sustainability", "Stewardship" and "Certification" have emerged as keywords in forest industry literature and media releases. The majority of forest industry 2000 Annual Reports contain at least one of these terms. At Timber Mart-South, we ask how this trend affects timber markets and what forces work to drive it.
- Mourning Dove
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Mourning Dove management.
- Tree Protection from Construction Damage
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Trees can be damaged or killed by a wide variety of construction activities. It's not always easy to save trees, but your efforts will help. This document describes measures to minimize construction impact.
- The Response of Ohio's Native and Naturalized Trees to Construction Activity
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The American public generally has a love affair with trees. One manifestation of that love affair is the willingness of homeowners to pay 10 to 30 percent more for similar sized, wooded lots in the same subdivision. The assumption by the general public is that trees are trees. Surprise, surprise! Various trees species respond differently to construction.
- Protecting Trees During Construction
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The decision to protect and preserve trees on a construction site is an important one. Many sites are chosen for residential or business use simply because the site contains a beautiful shade tree or offers a wooded environment. Often the very trees which are highly valued for their contribution to the aesthetic appeal of a site are inadequately protected or cared for during construction
- Protecting Existing Trees During Constructioin
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Working around existing trees or under their canopies can be harmful to the trees. If you are planning to do work under the tree canopy or dripline of the tree it will be beneficial to read this article first and decide if the tree you will be working under is worth saving and how to protect it from stress.
- Preserving Trees Affected By Development
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Mature trees provide many benefits to development sites. They enhance the aesthetic character of the area, give scale to the new buildings, provide shade, give a look of maturity to the landscape, and provide habitat for wildlife. it may be possible to retain trees with minimum forethought. However, preserving specimens that will survive and perform well in the new environment requires thorough planning, careful implementation, and adequate maintenance.
- Minimizing the impact of construction activity on trees
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Construction Tolerance and Comments Regarding Trees Commonly Found in Ohio
- What is Forest Fragmentation and Why is it Important?
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Forest fragmentation occurs when large, continuous forests are divided into smaller blocks, either by roads, clearing for agriculture, urbanization, or other human development. Ornithologists suspect that fragmentation harms many woodland birds by increasing their susceptibility to predation and nest parasitism.
- Trees Identification Links - Dendrology On-line
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ON-LINE FOREST Dendrology RESOURCES
- Trees
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Hits: 2
Added: July 19, 2008
Rating: Votes: 18 Rate ItColorado State University Cooperative Extension Service Gardening and Horticulture page provides information on trees.
- Tree Identification Key
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Hits: 4
Added: July 19, 2008
Rating: Votes: 17 Rate ItA tree identification key is designed to help tree enthusiasts identify a tree species based on its physical characteristics, such as leaf shape, leaf margin (edge), leaf placement on the twig, bark color and pattern, and type of fruit it produces. Follow the choices that are offered to you, based on the characteristics of the tree you are trying to identify. Although there are forty different common tree species
- Tree Health Care: Managing Natural Changes
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We can do very little to alter the harsh urban environment. However, we can develop proactive tree programs that favor long-term tree health, reduce maintenance and replacement costs, and enhance tree longevity
- Plant the Right Tree in the Right Place
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Hits: 2
Added: July 19, 2008
Rating: Votes: 28 Rate ItTrees planted in the wrong place can cause property damage and become a detriment rather than an asset. Planning the location and species of a tree will ensure that the tree will be an asset and not grow into a hazard or a nuisance.
- NASA/GHCC Urban Community Involvement
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The GHCC's many areas of study are closely related to each other. Like the climate and environment we study, no one aspect stands alone; all connect in a complex, interactive Earth-Atmosphere system.
- Leaf Key
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Key out your leaf by clicking on the button that best describes it. ``A table will list the possible matches, with links to fact sheets. ``If a picture exactly matches your leaf, clicking on the picture will take you directly to a fact sheet for that species (you will have to use the back button in your browser to return to the key).
- Key to Leaves of Virginia Trees
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I've got my leaf, let's get started!
