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Since its listing by the Endangered Species Act 30 years ago, the Delta smelt has been the focus of an intense, comprehensive plan to protect the dwindling wild population, and in recent years to kick-start its recovery.
4 kwi 2022 · So long as temperatures continue to rise as predicted, the Delta of today – plagued with unrelenting droughts and contested water projects and chemical runoff – will never be the Delta of the smelt’s past. And eventually, without a proper habitat to enter into, those hatchery fish will have nowhere to go to.
The delta smelt is a pelagic (lives in the open water column away from the bottom) and euryhaline species (tolerant of a wide salinity range). It has been collected from estuarine waters with salinities up to 14 parts per thousand.
3 paź 2022 · We found that Delta Smelt showed no temperature preference below 15 °C, a modest aversion to the warmer tank from 15 to 28 °C, and a strong aversion to the warmer tank with elevated mortality at...
2 paź 2024 · California water managers decided to curtail extra water flows intended to support endangered delta smelt. The change has sparked debate over protections for fish.
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