<http://schema.org/about>
"A new study shows that the conservation efforts that include the Iberian river basins are fragmented, and that fact is doing a lot of harm for the health of the rivers as a whole. They recommend that in order to help"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/clean-water/scientists-say-river-systems-take-second-fiddle-in-nature-reserves.html>