| http://www.w3.org/ns/prov#value | - Some nutrients, such as nitrogen, are cycled in a wetland; they are stored and naturally broken down over time, Grosshans pointed out. ???That???s not the case with phosphorus, as it???s all stored in sediments,??? he said. ???Over time it can accumulate to the point where the wetland is completely saturated and can???t store any more phosphorous.??? When the project began four years ago, the rese
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