Tag Archives: Sacramento-San Joaquin Delta

Delta Ecosystem Threatened by Another Nonnative Mollusk

Posted on January 5, 2025 by Christine Parisek

By Andrew Cohen and Peter Moyle One of the world’s most invasive freshwater mussels has arrived in North America. The Golden Mussel (Limnoperna fortunei), discovered in the California Delta in October, is a voracious plankton feeder and may further reduce … Continue reading →

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You’re invited to the Bay-Delta Science Conference from September 30-October 2, 2024 at the SAFE Credit Union Convention Center in downtown Sacramento

Posted on August 25, 2024 by Christine Parisek

by Miranda Bell-Tilcock The Bay-Delta Science Conference (BDSC) is just around the corner! The last BDSC was fully virtual in 2021, so we are very excited to see everyone at the first in-person conference since 2018. Just like in 2018, … Continue reading →

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The Delta Smelt Controversy in Sociological Perspective

Posted on August 11, 2024 by Christine Parisek

By Caleb Scoville The Delta Smelt is a small, endangered fish that lives exclusively in the heart of the state’s water distribution system, the Sacramento-San Joaquin Delta. At times, regulations to protect smelt affect conveyance of water to 35 million … Continue reading →

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Restoration of Tidal wetlands of the Sacramento-San Joaquin Delta – Where are we at?

Posted on July 7, 2024 by Christine Parisek

By Rosemary Hartman, Matt Young, Dylan Chapple, Stacy Sherman, Dave Ayers, Emma Mendonsa, Elizabeth Brusati, and Louise Conrad Tidal wetlands in the Sacramento – San Joaquin Delta used to be vast. You may have seen artistic renditions of how the … Continue reading →

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The Big Impact of Small Waters: Zooplankton Density Trends in the North Delta

Posted on June 16, 2024 by Christine Parisek

By Kim Luke & John Durand Zooplankton and their history in the San Francisco Estuary Zooplankton are tiny aquatic organisms unable to swim against currents; they include microscopic crustaceans, small jellyfish, and larval life stages of other organisms (Figure 1). … Continue reading →

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Some curious things about water management

Posted on March 3, 2024 by Christine Parisek

By Jay R. Lund *This is a repost of a blog originally published in 2012. Water management is often very different from what we think intuitively, or what we have been taught. Here are some examples. 1. Most water decisions … Continue reading →

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The Earth is Falling! – Land Subsidence and Water Management in California

Posted on December 27, 2015 by UC Davis Center for Watershed Sciences

By Jay Lund, Thomas Harter, Rob Gailey, Rick Frank, and Graham Fogg Groundwater problems are mostly invisible.  However, as California has come to rely more on groundwater during the drought, land subsidence from groundwater drawdown and accumulating overdraft has become … Continue reading →

Posted in California Water, Drought, Groundwater, Planning and Management, Sacramento-San Joaquin Delta, Uncategorized | Tagged , , , | 6 Comments

For a change in Delta perspective, move a few feet

Posted on September 9, 2015 by UC Davis Center for Watershed Sciences

By Jay Lund Each year my family takes a week’s vacation in the Sacramento-San Joaquin Delta on our old sailboat. We often follow some Delta veterans who show us new places. As an engineering professor working on California’s water problems, … Continue reading →

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Ten realities for managing the Delta

Posted on July 23, 2015 by UC Davis Center for Watershed Sciences

This article was originally published Feb. 26, 2013 By Peter Moyle I have been working on Delta fishes for nearly 40 years. Increasingly, I have curmudgeonly thoughts about what is needed to make the ecosystem work better. Here I present … Continue reading →

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Exotic animals deployed as Delta ‘weed whackers’

Posted on April 1, 2015 by UC Davis Center for Watershed Sciences

By Nestle J. Frobish Visitors to the Sacramento-San Joaquin Delta are doing double takes lately as they encounter some newly introduced “biological controls” to keep a fast-spreading waterweed from damaging boat propellers and choking off waterways. Working with state water … Continue reading →

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