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(4) Cl={0.5*∑Bu*100%0.5*{∑[Babove,v*(1−e−k)]+∑Bbelow,v*20%}0.5*∑Bw*80%}(5) Cp=0.5*∑Bj(6) Where Cs = net annual carbon sequestration per census tract (kgC)Cg = total carbon gained from tree growth in year x+1 (kgC)Cl = total carbon lost from tree decomposition in year x+1 (kgC)Cp = total carbon gain from tree replanting in year x+1 (kgC)i = identifier for a single living tree for year x+1Bi, x = total biomass for tree i in year x (kgC)Bi, x+1 = total biomass for tree i in year x+1 (kgC)u = identifier for a single tree that died in a year in St. Paulv = identifier for a single tree that died in a year outside St. Paul on forest, agricultural or undeveloped landw = identifier for a single tree that died in a year on undeveloped land usesBu = total biomass for tree u (kgC)Babove, v = aboveground biomass for tree v (kgC)Bbelow, v = belowground biomass for tree v (kgC)Bw = total biomass for tree w (kgC)j = identifier for a single tree planted in year x+1Bj = total biomass for tree j (kgC)
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