Tree density is measured using the stand’s basal area or the trees per acre. • Better forest health • Bigger trees, sooner • More profit potential • Less fuel for fires • Increased habitat for wildlife • Aesthetics. If you desire to maintain optimal wildlife habitat, planting rates of 435 – 450 trees per acre are best. Where did you find that 100 trees per acre figure? That sounded really low to me, so I did some googling and found numbers more along the lines of 300-400 per acre. Original forests in what is now the U.S. totaled about 1.05 billion acres (including what is now the State of AK and HI). USFS/FIA. SELL SPECIALTY PRODUCTS Can you sell unique forest products when you thin? At maturity there are between 1/2 and 1 tree per square meter. Successful reforestation is required within three years of timber harvest (WAC 222-34). In fact, 100 trees per acre is the minimum to be classified as a forest in a particular program, and that's in Southern California, which is especially sparse land for trees. Old-growth forests are healthy habitats for a wide range of species and might have about a dozen mature redwood trees per acre. Trees in the western U.S. with trunks more than three feet across are typically at least 200 years old. 10-12 feet Stack no more than three bundles high, In urban and suburban settings a single deciduous tree can intercept from 500 to 760 gallons per year; and a mature evergreen can intercept more than 4,000 gallons per year. The average tree diameter for the stand is used to estimate tree size. Similarly, timber stands can have the same basal area yet look very different on the ground. It is a forest rich in diversity of plants and animals, and has a very different look, feel and character from a forest that has been logged. Trees ready to Per Acre. In the United States, which contains 8 percent of the world's forests, there are more trees than there were 100 years ago. For instance, a stand of 6-inch DBH trees averaging 100 trees per acre does not contain the same volume of wood as 100 trees per acre of 16-inch DBH trees. The chart below will help you determine the desired number of trees per acre. The After a forest fire in lodgepole pine you can have 100 trees/m2 or about 100 million per square kilometer. Depends. Old-growth redwood forests … Plot sampling is used to measure tree density, size, and species in a forest stand. 150 healthy trees evenly distributed per acre (approximately 17’ x 17’) in eastern Washington. trees declines to 500 trees per acre, and eventually to 150 trees per acre in very mature woodlands. Average interception of rainfall by a forest canopy ranges from 10-40% depending on species, time of year, and precipitation rates per storm event. Regional forest trends in the 48 States, 1760-2000. 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