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Lahontan Cutthroat Trout Restoration at Fallen Leaf Lake

TitleLahontan Cutthroat Trout Restoration at Fallen Leaf Lake
Author/CreatorCobourn, John; Purdy, Shelly; Segale, Heather M.
Related item(s)Press Release available at
Date Original2005-06-02
Summary/DescriptionLake Tahoe Report Segment #122 - "Lahontan Cutthroat Trout Restoration at Fallen Leaf Lake" (Air Date: June 21, 2005). Brant Allen from the Tahoe Environmental Research Center discusses the work being done to repopulate the Lahontan Cutthroat Trout.
SubjectCutthroat trout -- California -- Fallen Leaf Lake
Cutthroat trout -- Tahoe, Lake, Region (Calif. and Nev.)
LocationLake Tahoe (Calif. and Nev.)
Tahoe, Lake (Calif and Nev)
CollectionThe Lake Tahoe Report
Original PublisherLake Tahoe Environmental Education Coalition (
Electronic PublisherUniversity of Nevada, Reno - Department of Teaching and Learning Technologies
Ordering and Permissions InformationFor more information, contact the University of Nevada Cooperative Extension, or 775-832-4138.
Date Digital2006-02-15
RelationRequires Windows Media Player
Resource TypeMoving Image
Contributing InstitutionUniversity of Nevada, Reno
TranscriptionSegment 122: "Lahontan Cutthroat Trout at Fallen Leaf Lake" (Air Date : 4/21/2005). Brant Allen from the Tahoe Environmental Research Center discusses the work being done to repopulate the Lahontan Cutthroat Trout. Tease @ 14:58 "Rivers and streams in the Lake Tahoe area are running very fast and very cold this time of year. I'm Shelly Purdy, coming up in this week's Lake Tahoe report, I'll tell you what this guy is doing snorkeling in these frigid waters." Anchor intro: In the past three years, the U.S. Fish and Wildlife Service has stocked 70-thousand Lahontan Cutthroat Trout at Fallen Leaf Lake, which is located on the western side of Lake Tahoe. The goal is to re-establish the now extinct fish as a self-sustaining population in the lake. In tonight's Lake Tahoe Report, Shelly Purdy takes a look at how their efforts are going. TAKE PKG ((nats Brant Allen in river)) ((Track 1)) The best way to count how the stocked fish are doing in Fallen Leaf Lake is to count them as they come up to spawn in Glen Alpine Creek. We're told it's a bit like rock climbing on a horizontal waterfall in very cold water, but it's a task that must be done. ((s/u@ 16:01 shelly Purdy)) "Researcher Brant Allen has been out here regularly since April counting all the Lahontan Cutthroat Trout as they come upstream to spawn." ((sot @ 2:19 Brant Allen, Tahoe Environmental Research Center)) "The fish that we're seeing in the stream now are the largest fish that were planted in the first plant in 2002 as well as many of the fish planted in 203. They've survived out in the lake and have been able to gain enough food energy from feeding in the lake that they can now reproduce and they're coming up in the stream to do so." ((track 2)) The Lahontan Cutthroat Trout was the native game fish originally found at Fallen Leaf Lake and Lake Tahoe. The last fish was caught here at Fallen Leaf in the mid-1930s. The long-term goal now is to re-build a self -sustaining population in the lake. (sot @ 3:47)) "The lake has been manipulated with so many different species that it's really a different system than it was initially. So, we're looking now to see how do they fit in to that new system in the lake and can they survive in it. And, apparently based on what we're seeing is they do quite well." ((Track 3)) Though the numbers of fish Brant Allen is seeing in the creek aren't huge, he is encouraged by the fact that he is seeing healthy Lahontan Cutthroat Trout swimming upstream to spawn. Those are the fish at the top of their gene pool since they've figured out how to survive and thrive in Fallen Leaf Lake. Researchers hope it's these fish that eventually repopulate Fallen Leaf. With the Lake Tahoe Environmental Education Coalition, I'm shelly Purdy for KOLO news Channel 8. Anchor Tag: The Lahontan Cutthroat Trout swim upstream into Glen Alpine Creek in late April and early May to lay their eggs. The eggs will hatch in mid July and the fingerlings will swim back out into the lake to hopefully grow into adulthood. When those fish are three to four years old, they will make their way up the creek to spawn for the first time.

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