KarstBase a bibliography database in karst and cave science.
Featured articles from Cave & Karst Science Journals
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The use of damaged speleothems and in situ fault displacement monitoring to characterise active tectonic structures: an example from Zapadni Cave, Czech Republic , Briestensky, Milos; Stemberk, Josef; Rowberry, Matt D.;
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1707 H ST NW, STE 400, WASHINGTON, DC 20006-3915 USA
Ecological Applications, 2005, Vol 15, Issue 4035, p. 127-136
Do woody plants affect streamflow on semiarid karst rangelands?
Wilcox B. P. , Owens M. K. , Knight R. W. , Lyons R. K. ,
Abstract:
There is considerable public and political pressure to reduce woody plant cover on rangelands as a means of increasing water yield, despite the lack of studies documenting that such a strategy is effective. In the Texas Hill Country, runoff from the Edwards Plateau recharges the highly productive and regionally vital Edwards Aquifer. The dominant woody plant on the Plateau is Ashe juniper (Juniperus ashei Buchholz). To understand how woody plant cover may affect the amount and timing of runoff in this region, we monitored streamflow from nine small (3- to 6-ha) watersheds over a 13-year period. After the first two years (initial observations), 100% of the shrub cover was removed from three of the watersheds and similar to70% from another three. Following these treatments we continued to monitor runoff for four years, suspended monitoring for four and a half years, and then resumed monitoring for an additional three years. Runoff from these nine first-order watersheds generally accounted for
There is considerable public and political pressure to reduce woody plant cover on rangelands as a means of increasing water yield, despite the lack of studies documenting that such a strategy is effective. In the Texas Hill Country, runoff from the Edwards Plateau recharges the highly productive and regionally vital Edwards Aquifer. The dominant woody plant on the Plateau is Ashe juniper (Juniperus ashei Buchholz). To understand how woody plant cover may affect the amount and timing of runoff in this region, we monitored streamflow from nine small (3- to 6-ha) watersheds over a 13-year period. After the first two years (initial observations), 100% of the shrub cover was removed from three of the watersheds and similar to70% from another three. Following these treatments we continued to monitor runoff for four years, suspended monitoring for four and a half years, and then resumed monitoring for an additional three years. Runoff from these nine first-order watersheds generally accounted for
Keywords: aquifer, baseflow, ecohydrological changes, ecohydrology, ecosystem, edwards aquifer, edwards plateau, evapotranspiration, flow, hydrograph, hydrographs, juniper, karst, magnitude, management, monitoring, murray-darling basin, plant, plants, plateau, precipitation, pressure, rainfall, range hydrology, recharge, recovery, region, runoff, semiarid, shrub, spring, springs, stormflow, strategies, streamflow, subsurface, subsurface flow, texas, texas (usa), time, times, usa, vegetation changes, water, water yield, watershed, woody-plants, yield,