Life Sciences Commons^™

Sp628 Choosing 'Sewer Safer' Trees, The University Of Tennessee Agricultural Extension Service

Forestry, Trees, and Timber

Municipal sanitary sewer systems are, second to the drinking water system, the most important public health asset of a city. When they are properly operating, that is, carrying the wastewater and sewage away from homes and businesses and to the treatment plant, they protect the public from the potential health hazards associated with human waste. However, when blockages in the pipes cause backups into homes or businesses or overflows in streets or rightof- ways, the health of citizens is at risk. One of the factors that contributes to sewer line blockages is the intrusion of tree roots. Landowners and landscape …

Sp662 Guidelines For Buying Trees, The University Of Tennessee Agricultural Extension Service

Forestry, Trees, and Timber

Plant high-quality stock to avoid future tree hazards associated with your tree. Planting poor stock will probably lead to more expense in the long run because of increased maintenance and a shorter life span. The best protocol is to purchase trees from a reputable nursery, establish careful specifications for your purchased tree and obtain a warranty for your tree.

Sp656 Shade And Flood Tolerance Of Trees, The University Of Tennessee Agricultural Extension Service

Forestry, Trees, and Timber

Most trees have very specific requirements for how much sunlight or shade that they are able to endure. Some trees do well in full sunlight, while other trees do not perform as well. Some trees are more adaptable than others to varying amounts of sunlight. Recognizing the light requirements of different species of trees will assist in proper tree selection in the landscape and will promote healthy trees.

As with light requirements, different trees have different tolerances to flooding. This factsheet discusses and lists the comparative tolerance of trees to shade or sunlight and to flooding.

Sp658 Lightning Protection For Trees, The University Of Tennessee Agricultural Extension Service

Forestry, Trees, and Timber

Lightning is one of nature’s most powerful forces. Lightning can have devastating effects on people, property and trees. Each strike of lightning can reach more than five miles in length, and produce temperatures greater than 50,000 degrees Fahrenheit and an electrical charge of 100 million volts. At any given moment, there are 1,800 thunderstorms in progress somewhere across the earth. Lightning detection systems in the United States sense an average of 25 million lightning strikes per year.

Trees occupy a particularly susceptible position in the landscape, since they are often the tallest objects. Tall trees are the most vulnerable, especially …

Sp660 Lichens And Vines On Trees, The University Of Tennessee Agricultural Extension Service

Forestry, Trees, and Timber

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