Submitted by Jim Reiher on Fri, 31/10/2008 - 01:51.
If we cut down mature trees in our water catchment areas, we worsen our water supply. We take out the trees with deep roots, and within a year, lots of new growth with shallow roots, absorb much more run off that otherwise would have happened.
So, when we cut down trees in water catchment areas, we are catching less water for human use. As much as 50% less water is collected after logging an area!