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Tag Archives: salmon
Hidden links between aquatic and terrestrial ecosystems: part 3 – Eel River
By Nicholas Wright This blog is the third and final of a three part series on ecological subsidies that appeared throughout summer ’23. In California’s north coast, the Eel River winds its way through hills with shady slopes carpeted in … Continue reading
Posted in Uncategorized
Tagged bats, birds, carbon, cross-system, Ecosystems, Eel River, insects, marine-derrived nitrogen, Mary Power, Nicholas Wright, nutrients, salmon, trophic subsidies
1 Comment
Hidden links between aquatic and terrestrial ecosystems: part 2 – Sacramento River
By Nicholas Wright Running through the Central Valley’s patchwork of yellow, green, and brown farmlands is the deep blue of California’s largest river–the Sacramento. Once a much wider river, meandering across the flat valley floor, the Sacramento has been straight-jacketed … Continue reading
Posted in Uncategorized
Tagged conservation, detritus, farmers, fish food, fish growth, floodplains, floods, rice, salmon, zooplankton
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Putah Creek’s rebirth: a model for reconciling other degraded streams?
By Emily Jacinto, Nann A. Fangue, Dennis E. Cocherell, Joseph D. Kiernan, Peter B. Moyle, and Andrew L. Rypel It’s hard to look at native fishes in Putah Creek and not grin a little. Be it a Sacamento Pikeminnow (below), … Continue reading
Endangered Freshwater Fishes: Does California Lead the World?
By Peter B. Moyle & Robert A. Leidy See Moyle and Leidy (2023) for much more detailed version of this essay. https://doi.org/10.1017/9781108758826 Few things give the authors of this essay more pleasure than swimming in a California stream on a … Continue reading
Posted in Uncategorized
Tagged climate change, endangered species, global, native fishes, Peter Moyle, Sacramento splittail, salmon, speckled dace, trout
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Facing the Dragon: California’s Nasty Ecological Debts
By Andrew L. Rypel “Every time you borrow money, you’re robbing your future self.” ~N. Morris When I was younger, a close friend of mine struggled with a crippling debt. It was during that unique period shortly before and after … Continue reading
Posted in Uncategorized
Tagged Andrew Rypel, dams, debt, ecological debts, economics, Ecosystems, environmental debts, environmental justice, extinction, groundwater, nitrogen, salmon
4 Comments
What’s the dam problem with deadbeat dams?
by Andrew L. Rypel, Christine A. Parisek, Jay Lund, Ann Willis, Peter B. Moyle, Sarah Yarnell, Karrigan Börk *this is a repost of a blog originally published in June 2020. Damming rivers was once a staple of public works and … Continue reading
Posted in Uncategorized
Tagged Andrew Rypel, Ann Willis, Christine Parisek, dams, infrastructure, Jay Lund, Karrigan Bork, novel ecosystems, Oroville, Peter Moyle, safety, salmon, Sarah Yarnell
6 Comments
Hatcheries alone cannot save species and fisheries
By Andrew L. Rypel and Peter B. Moyle The photo is a common one (Fig 1). Large numbers of fish are being released into a river, stream or estuary – products of a fish hatchery. A politician or government leader … Continue reading
Being patient and persistent with nature
By Andrew L. Rypel In the coming weeks, fall-run Chinook salmon (Oncorhynchus tshawytscha) will appear in Putah Creek again to spawn. The fact that any salmon spawn in Putah Creek is a small miracle, and testimony to the resilience of … Continue reading
Posted in Uncategorized
Tagged Andrew Rypel, food webs, Putah Creek, restoration, salmon
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A Swiss Cheese Model for Fish Conservation in California
by Andrew L. Rypel, Peter B. Moyle, and Jay Lund We read with great interest Nicholas Chistakis’s piece outlining a “Swiss Cheese Model For Combating Covid-19” in the Wall Street Journal. Christakis presents a model for considering the individual steps … Continue reading
Posted in Uncategorized
Tagged Andrew Rypel, conservation, conservation plan, dams, fish, Jay Lund, Peter Moyle, roach, salmon, statewide plan, water management, watershed management
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Fish are born free, but are everywhere in cages this spring
by Carson Jeffres, Eric Holmes, and Andrew Rypel State, federal, and local governments, water users, and the public are all concerned with the survival of salmon. Over decades, and especially recent years, most salmon runs have severely declined in California. … Continue reading
Posted in Uncategorized
Tagged Andrew Rypel, Carson Jeffres, Chinook salmon, Eric Holmes, fish food, floodplains, salmon
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