Category Archives: Conservation

Reconciling conservation and human use in the Delta

By John Durand, Peter Moyle, and Amber Manfree  In a previous blog, we presented a Grand Scheme for habitat conservation in the North Delta Arc (the Arc). This follows up on our earlier broad vision for recreating a Delta more friendly … Continue reading

Posted in Conservation, Delta, reconciliation | Tagged , , | 1 Comment

The Horror of a Salmon’s Wheel of Misfortune

By Miranda Tilcock Salmon in the Stream 10 little salmon eggs, resting in a redd 1 was covered in silt, now the egg is dead 9 little alevin, with their yolks attached, 1 was washed away, and never made it … Continue reading

Posted in Conservation, education, Fish, Floodplains, Salmon, Uncategorized | Tagged , | 5 Comments

Instream flows: Five features of effective summer flow strategies

By Ann Willis As summer begins and stream flows drop throughout California, concerns resurface about whether there’s enough water to support critical ecosystems. Environmental flows have long been a contentious issue, often presented in conflict with existing water use. But … Continue reading

Posted in California Water, Conservation, Planning and Management, reconciliation, Sustainability | Tagged | 2 Comments

Cue the Frogs! Water signatures, environmental cues and climate change

By Ryan Peek, Helen Dahlke, and Sarah Yarnell An organism’s success relies on responding to environmental cues that trigger activities such as breeding, migration, feeding, predator evasion, etc. Responses can be finely tuned to specific cues, or may require multiple … Continue reading

Posted in Conservation, Stressors, Uncategorized | Tagged , , , | 1 Comment

What lies behind the dam? In some cases, self-sustaining salmon

By K. Martin Perales Chinook salmon are a remarkably adaptable species. There is good reason to believe there are multiple populations of landlocked Chinook salmon completing their entire life cycle above Central Valley dams. We recently documented spawning above six of … Continue reading

Posted in Biology, Conservation, Fish, Salmon | Tagged | 4 Comments

Why care about native freshwater fish?

By Jason Baumsteiger Even with a strong El Niño year, there are no assurances the drought is over. Clearly we need a better plan for future droughts and that plan needs to include provisions for native freshwater fish.  But why … Continue reading

Posted in Biology, Conservation, Fish, Uncategorized | Tagged | 6 Comments

Measuring the effectiveness of ‘environmental flows’

By Ann Willis and Andrew Nichols In the early fall of 2012, an unusually large number of Chinook salmon were returning to the Klamath River, straddling the California-Oregon border. Many of those fish were expected to swim upstream to the … Continue reading

Posted in Agriculture, California Water, Conservation, Fish, Planning and Management, reconciliation, Restoration, Salmon, Spring-Fed Streams, Tools, Uncategorized, Water Markets | Tagged | 5 Comments

When Good Fish Make Bad Decisions

Carson Jeffres, Staff Research Associate, Center for Watershed Sciences Restoration of degraded habitat is generally considered to be a no-brainer.  But, what if by “restoring” the habitat, you inadvertently create a habitat that causes either the target species or other … Continue reading

Posted in Biology, California Water, Conservation, Fish, Restoration | Tagged , , , , , , , , ,

Wanted: An integrated strategy for recovery of Central Valley salmon

Jacob Katz, Ph.D. Candidate, Center for Watershed Sciences Peter Moyle, Professor of Fish Biology, University of California – Davis Historically, the rivers of the Central Valley had seasonally variable stream flows and diverse habitats.  Rivers tended to flood in winter, … Continue reading

Posted in Biology, Conservation, Dam Removal, Fish, Restoration, Sacramento-San Joaquin Delta, Sustainability | Tagged , , , , , , , , , | 2 Comments

Have our salmon and eat them too: Re-thinking Central Valley salmon hatcheries

By Jacob Katz and Peter Moyle In the previous blog, Jay Lund argued that wide-scale, integrated management of California’s water system will better balance water needs of the environment and water demands by humans.  Here we expand on the need … Continue reading

Posted in Biology, Conservation, Fish, Planning and Management, Sacramento-San Joaquin Delta | Tagged , , , , , , , , , , | 3 Comments