That is the current position that could change again in 10 years.
The original flows into the Delta before our system of water storages was built were less than we send into the Delta now.I don't know how they can surmise low flows in the Fall are doing the damage.
Michael Crichton has written extensively about the fact that we don't really know HOW to "protect the environment."
Just about all environmental activism assumes that the appropriate action is perfectly well understood and all we need to save the environment is the will to implement it.
Unfortunately, the world is a complex place. The Law of Unintended Consequences never sleeps. A lot more humility is appropriate for environmentalists.
If we want to protect wilderness, for instance, we first have to figure out HOW to do it.