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1Conserving biological diversity in agricultural / forestry systems Conserving biological diversity in agricultural / forestry systemsby Pimentel, David, Stachow, Ulrich, Takacs, David A., Brubaker, Hans W., Dumas, Amy R., Meaney, John J., O`Neil, John A. S., Onsi, Douglas E., Corzilius, David B.Texto bibliotecaUBA FA