Only about one percent of the historic habitat exists. Half of the (agricultural lands) have subsided so much that we can't restore them to wetlands -- if you flooded them, you'd just have deep water. But a 10 percent restoration is possible -- and that would be exponentially better than the situation we have now.

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I don't think it's surprising that we're seeing the disappearance of these native species given the changes that have occurred in the delta.

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