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Ability To Restore

Jornada studies initiated in the early 1900s reveal how the change from productive, diverse perennial grasses to shrublands on degraded soils is difficult, but not impossible, to reverse. With over 1.25 billion people living in dryland areas, it is critical to understand the restoration potential of degraded systems.

Herrick JE, Havstad KM, Rango A. 2006. Remediation research in the Jornada Basin: past and future. Pp278-304 In Havstad KM, Huenneke LF, Schlesinger WH, eds. Structure and function of a Chihuahuan Desert ecosystem: the Jornada Basin Long-Term Ecological Research site. Oxford University Press.
Rango A, Havstad KM. 2009. Water harvesting applications for rangelands revisited. Environmental Practice 11: 84-94.
Rango A, Tartowski SL, Laliberte A, Wainwright J, Parsons A. 2006. Islands of hydrologically enhanced biotic productivity in natural and managed arid ecosystems. Journal of Arid Environment 65: 235-252.
Dr. Debra P.C. Peters
A sequence of vegetation behind water ponding dikes (15cm high) at the Jornada LTER soon after installation (05-07-75); after 14 years (09-30-89) when monsoon rain storms impacted water collecting area of the dikes and produced runoff for initial plant growth; and 31 years after installation(10-17-06) when the soil moisture reservoir became dependable for producing a significant vegetation cover response.
Rango and Havstad 2009
Soil water profiles for control, 7.5 cm high dikes, and 15 cm high dikes on the Jornada LTER site. The higher the dike, the greater and more consistent soil water content with depth.
Rango, et al. 2006



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