Importantly, the feasibility and appropriateness of a silvicultural system depends on your objectives, existing stand conditions, the characteristics of the individual tree species involved, and your … cleaning, pre-commercial thinning, commercial thinning, pruning, etc. Forest thinning benefits the forest landowner in four ways: Shorter time to market: Growth is concentrated on fewer, faster growing trees. Thinning a forest can have a significantly positive impact on wildlife and plant life in the forest. That ancient oak standing amongst a crowded forest canopy may look like the perfect magnet for deer, but that tree may not be the best use of space for wildlife in the long run. A similar crowded condition that existed before thinning will redevelop. Benefits include increased potential economic value as well as better protection against wildfire. When a stand of pines needs to be thinned, the thick cover of treetops—known as the overstory—blocks almost all sunlight from reaching the forest floor. Summarizes considerations in thinning to reduce hazardous fuels. Faster growth reduces the time required to reach harvestable size, and larger trees bring higher stumpage prices. Before the trees get so crowded that the growth rate slows down, thin the stand again. Thinning allows more light into the forest and reduces competition for the remaining individuals, thus enhancing development. There are two main types of thinning: Selective thinning, where damaged, suppressed or dead trees are individually removed. Forestry herbicides are applied at very low rates (2 ounces to 2 quarts per acre) and on a very small percentage of the land annually. Outlines thinning rules and regulations and how thinning is done. That prevents most plants—or, understory—from growing on the forest … Future revenue streams from thinning(s) and final harvest are estimates derived from a growth and yield model of similar stands at a specified thinning year and rotation age. Thinning can take a few forms. Randy Zellers Assistant Chief of Communications. Site productivity is an important factor that sets the biological limits of growth and the speed at which the forest can grow to financial maturity. Thinning starts with a survey of the trees in your woods. Thinning alone, and thinning and burning together, were so successful that even forest already coping with a beetle outbreak became fire resistant. If left unburned or unthinned, beetle attacks eventually shifted the entire character of the forest by shifting the dominant tree species. Thinning - An intermediate treatment made to reduce stand density of trees primarily to improve growth, enhance forest health, or to recover potential mortality. Reducing Hazardous Fuels on Woodland Property: Thinning Describes benefits of thinning a stand of forest trees. Forestry herbicides are very low in acute toxicity. thinning, the branches and roots of the remaining trees will grow to fill in the gaps. Thinning. June 28, 2017. Forest thinning important tool for wildlife management. But selecting exactly which trees to remove more precisely achieves a forester’s goals. A good way to determine when a pine plantation should be thinned is to look at the live crown ratio. That’s what thinning is: removing undesirable trees so desirable ones will thrive. Sending crews into a forest to physically remove trees is called “mechanical thinning” and is the most expensive method, costing as much as $1,400 an acre. Generally, only one application is made over an 80- to 100-year rotation for hardwood regeneration establishment. Think of thinning as a kind of weeding. 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