Other than extensive diversions, exotic introduced, fast-growing and water-consuming plants, such as water hyacinth and hydrilla, are also leading to reduced flows.The United States government has recently attempted to slow or stop the progress of these weeds by introducing insects and fish that feed on the invasive plants.
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Illegal immigrants once had to swim across the river at the border, but with the river so low immigrants need only wade across for most of the year.
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