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Before During 1 Year After Before During 1 Year After 7) Demo G: Agua Blanco Ranch, AZ (Creosote Bush Site) Seeded/Imprinted, November 1982. Land desertification caused by more  than a century of overgrazing, reversed in one year because of good rainfall.  8) Demo H: Agua Blanco Ranch, AZ (Burroweed Site) Seeded/Imprinted, November 1982. Land desertification caused by more than a  century of overgrazing and short-termed droughts, reversed in one year because of adequate rainfall.  6) Demo F: Agua Blanco Ranch, AZ (Barren Site) Seeded/Imprinted, November 1982. Land desertification, caused by by more than a  century of overgrazing, reversed in one year because of good rainfall.  Before During 1 Year After 9) Demo I: Continental Ranch, AZ Seeded/Imprinted, November 1987. Land desertification caused by a series of human disturbances  including overgrazing, cotton farming, bulldozing and grading, reversed in 3 years including late successive species.  10) Demo J: San Xavier Aqueduct, AZ Seeded/Imprinted, November-December 1991. Land desertification, caused by a series of  human disturbances including overgrazing, aqueduct installation, dozing and grading, reversed in four months, but this reversal may  be of limited longevity because of continued grazing by horses and cattle.  Before During 3 Years After 4 Months After Before During