Question

Follow steps 1-5 to calculate the previous values for South Florida trecere 11-1. Tree heights, trunk diameters, and ages are provided. Record your calcula- tions in Table 11-2. NOTES 1. Determining total weight of the tree The following algorithm for calculating the total weight of a tree is based on the tree species in the Southeastern United States. W = Aboveground weight of the tree in pounds D = Diameter of the trunk in inches H = Height of the tree in feet For trees with D < 11, W = 0.25D2H For trees with D2 11, W = 0.15DPH The root system of the plant weighs about 20% of the aboveground weight. Multiply the aboveground weight by 120% in order to determine the total weight of the tree. 2. Determining the dry weight of the tree The average tree is 72.5% dry matter and 27.5% moisture. To determine the dry weight of the tree, multiple the total weight of the tree by 72.5%. 3. Determining the weight of carbon in the tree On average, a tree's carbon content is roughly 50% of the total volume of the tree. Multiply the tree's dry weight by 50% in order to find out the weight of carbon in the tree. 4. Determining the weight of CO, sequestered in the tree CO, is composed of one carbon molecule and two oxygen molecules. The atomic weight of carbon = 12.0107 The atomic weight of oxygen = 15.9994 Therefore, the atomic weight of Co, is C + (20) = 12.0107 + (2 x 15.9994) = 43.9987 The ratio of CO, to C comes then from the ratio of atomic weights: 43.9987/12.0107 = 3.6633 Therefore, to determine the weight of carbon dioxide sequestered in the tree, multiply the weight of carbon in the tree by 3.6633. 5. Determining the weight of CO, sequestered in the tree per year To determine how much CO, has been sequestered by the tree each year, divide the weight of CO, sequestered in the tree by the age of the tree.

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Answer 1

XX AS 1. FILLING OF THE TABLE BY GIVEN DATA Tree Total Dry Weight of weight of weight of Weight weight C in Co, in CO, (lbs) (lbs) tree(lbs) tree sequester ed/year (lbs) Delonix regia 18000 13050 6225 23903.03 1039.26 40924.8 20462.4 74959.90 1441 53 Quercus 56443 virginiana Swietenia 7290 mahagoni Bucido buceras 1474.56 5285 25 2642 62 9680 72 605.04 1069.05 534.52 1958.13 163.17 Sabal palmetro 3808.8 2761.38 1380.69 5057.88 561.98

2. Quercus virginiana sequestered the most carbon per year and Bucida buceras sequestered least carbon per year.

3.As structural respiratory tissue accumulates in plants, the same leaf area will result in less and less annual production and proportionally more of the carbon being channeled into maintenance. Thus carbon production per year related to its morphology.

1. FILLING OF THE TABLE BY GIVEN DATA Tree Total Dry Weight of Weight of Weight of Weight weight C in co, in CO, (lbs) (lbs) tree(lbs) tree sequester ed/year (lbs) Delonix regia 18000 13050 6225 23903.03 1039.26 40924.8 20162.4 74959.90 144153 Quercus virginiana Swietenia 7290 mahagoni Bucida buceras 1474.56 5285.25 2642.62 9680.72 605 04 1069.05 53452 1958.13 163.17 Sabal palmetto 380B 8 2761 38 1380 69 5057 88 561 98 2. Quercus virginiana sequestered the most carbon per year and Bucida buceras sequestered least carbon per year. Default Style English USA) 82 words, 505 characters Type here to search o B e 9 9

XX AS 1. FILLING OF THE TABLE BY GIVEN DATA Tree Total Dry Weight of weight of weight of Weight weight C in Co, in CO, (lbs) (lbs) tree(lbs) tree sequester ed/year (lbs) Delonix regia 18000 13050 6225 23903.03 1039.26 40924.8 20462.4 74959.90 1441 53 Quercus 56443 virginiana Swietenia 7290 mahagoni Bucido buceras 1474.56 5285 25 2642 62 9680 72 605.04 1069.05 534.52 1958.13 163.17 Sabal palmetro 3808.8 2761.38 1380.69 5057.88 561.98