fish population – Aquarius-Systems https://aquarius-systems.com Surface Water Management Equipment Fri, 19 Dec 2025 19:50:13 +0000 en-US hourly 1 https://wordpress.org/?v=7.1 https://aquarius-systems.com/wp-content/uploads/2022/01/cropped-favicon-32x32.png fish population – Aquarius-Systems https://aquarius-systems.com 32 32 Massive Declines in Crooked River Fish Populations https://aquarius-systems.com/massive-declines-in-crooked-river-fish-populations/ Mon, 04 Dec 2023 21:01:58 +0000 https://aquarius-systems.com/?p=6753 The 2016 Oregon Department of Fish and Wildlife annual electro shocking survey of fish populations in the upper Wild & Scenic section of the Crooked River revealed that, during the past year, the wild redband trout population suffered a catastrophic 86.4 percent reduction in numbers while the native mountain whitefish mortality was an alarming 45.3 percent.

Last year when the Crooked River watershed was included within a regional drought-declared area, Bureau of Reclamation river flow decisions drained the Prineville Reservoir to its fourth-lowest level ever.

The rapid early winter reduction in flow suddenly decreased the width of the river and resulted in a significant loss of bank habitat for the aquatic bugs fish need to eat to survive.

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