Last summer I opined on the loss of the Longfin Smelt from the Bay-Delta estuary1. A recent paper in the Transactions of the American Fishery Society looks to “disaggregating forces”… “By disaggregating the life-stage-specific constraints on population dynamics, our results can … Continue reading
DWR – It just started raining and you already ramped up Delta exports again despite all the salt water and the risks to endangered Winter Run salmon and Delta Smelt. I recently suggested “Whoa,”1 as did Smelt Working Group. At … Continue reading
The Fremont Weir fish passage improvements at the upper end of the Yolo Bypass (see previous posts for details1) are mandated in the National Marine Fisheries Service’s Central Valley Project and State Water Project joint biological opinion (2009 OCAP BO). … Continue reading
In a recent post I suggested “spill” (targeted reservoir releases) to enhance salmon production in Central Valley rivers. Well, it is now time to employ spill to help Winter Run and Spring Run Chinook salmon in the upper Sacramento River … Continue reading
Improving Yuba River Fisheries The Yuba River (Figure 1), including the lower river below Englebright Dam and its three upper forks and two reservoirs, provides a substantial fisheries resource. But it could provide much more. Overall, the Yuba has a … Continue reading