Chapter 6 Questions - Chapter 6 Review Questions page 133...

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Chapter 6 Review Questions page 133 2,3,4,7 Critical Thinking 2 and 6 2. Carefully designed logging roads have a number of harmful effects, namely increased erosion and sediment runoff into waterways, habitat fragmentation, and biodiversity loss. Logging roads also expose forests to invasion by nonnative pests, diseases and wildlife species, they also open once-inaccessible forests to farmers, miners, ranchers, hunters, and off-road vehicle users. - Selective cutting: intermediate-aged or mature trees in an uneven-aged forest are cut singly or in a small groups. - Clear-cut: is the most efficient way for a logging operation to harvest trees. It is basically removing all of the trees in an area. -Strip cutting: is basically clear-cutting a stop of trees along the contour of the land within a corridor narrow enough to allow natural regeneration within a few years. - Deforestation: the temporary or permanent removal of large expenses of forest for agriculture or other uses. The rate of deforestation is between 0.2% and 0.5% per year, and another 0.1% and 0.3% percent of the world’s forest degrade yearly. Theses losses area concentrated in developing countries, such as Latin American countries, Indonesia, and Africa. Scientists are becoming concerned about Alaska, Canada, Scandinavia and Russia as well. The main reasons
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Chapter 6 Questions - Chapter 6 Review Questions page 133...

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