Tag Archives: water quality

Wetlands on the Edge

Posted on September 3, 2023 by Andrew Rypel

By Andrew L. Rypel It’s really easy to overlook and undervalue wetlands. Some are small or just don’t look very important. Others are enormous, and cause flooding issues for homeowners and growers. Some might even think wetlands are gross, worry … Continue reading →

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Shell-shocking Details About Freshwater Mussel Reproduction

Posted on August 20, 2023 by Andrew Rypel

By Andrew L. Rypel, Miranda Bell Tilcock, and Christine A. Parisek One of our favorite aspects of teaching is (occasionally) being able to really surprise a student. Many of the fun nature facts folks pick up nowadays come from TV, … Continue reading →

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Will more wildfire and precipitation extremes mussel-out California’s freshwater streams?

Posted on February 26, 2023 by Andrew Rypel

By Andrew J. Lawrence and Andrew L. Rypel Apocalyptic scenes of wildfires and floods are now familiar to Californians. However, the ecological impacts from these events remain understudied in California and across the world. Gaps in awareness and understanding on … Continue reading →

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Losing mussel mass – the silent extinction of freshwater mussels

Posted on October 9, 2022 by Andrew Rypel

by Andrew L. Rypel Note: this is a re-post from August 2020. Throughout my career I’ve spent some time studying the fascinating ecology and conservation issues of freshwater mussels (Fig. 1). For me, learning about mussels has fortified a recurring … Continue reading →

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Initial Sampling of the Carp-DEUM Project

Posted on June 28, 2020 by Andrew Rypel

By Kim Luke, John Durand, Rachel McConnell, Aaron Sturtevant, Nina Suzuki, Andrew L. Rypel This spring, the Carp-Dependent Urgent Management (Carp-DEUM) Project began its first round of sampling in the UC Davis Arboretum before the Covid-19 lockdown. The project has … Continue reading →

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The folly of unimpaired flows for water quality management

Posted on November 25, 2018 by UC Davis Center for Watershed Sciences

by Ann Willis Unimpaired streamflow has long been the benchmark against which current stream flows are evaluated for environmental purposes. The underlying assumption is that if there is water in a stream, the stream must be healthy. A closer look … Continue reading →

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A Tale of Two Fires: How Wildfires Can Both Help and Harm Our Water Supply

Posted on December 3, 2017 by UC Davis Center for Watershed Sciences

by Gabrielle Boisramé Now that summer is over and rain has returned to California, it appears that the dramatic 2017 fire season is finally behind us. The effects of fire season can linger, however, with the possibilities of erosion and … Continue reading →

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The dog that didn’t bark: Unexpectedly small effects of export changes on Delta farms

Posted on November 14, 2012 by UC Davis Center for Watershed Sciences

Inspector Gregory: Is there any other point to which you would wish to draw my attention? Sherlock Holmes: To the curious incident of the dog in the night-time. Gregory: The dog did nothing in the night-time. Holmes: That was the … Continue reading →

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Water to the sea isn’t wasted

Posted on March 1, 2011 by cathrynlawrence

By Jeffrey Mount In December of 2010 we had a remarkable set of storms.  Relentless rain and snowfall hit both southern and northern California.  The news reports about these events followed a predictable pattern, including the inevitable articles that bemoan … Continue reading →

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