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From Under the Water -- Part Two

TitleFrom Under the Water -- Part Two
Author/CreatorCobourn, John; Purdy, Shelly; Segale, Heather M.
Related item(s)Press Release available at
Date Original2003-02-24
Summary/DescriptionLake Tahoe Report Segment #15 - "Algae" (Air Date: May 13, 2003). Brant Allen from the Tahoe Research Group discusses testing algae as an indicator of the lake's overall health.
SubjectAlgae -- Tahoe, Lake (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 Digital2004-12-06
RelationRequires Windows Media Player
Resource TypeMoving Image
Contributing InstitutionUniversity of Nevada, Reno
TranscriptionSegment 15 - Air Date: May 13 ((Anchor Intro)) To the untrained eye, algae is just a bunch of slimy green stuff coating the shoreline and clinging to rocks. But to the trained professional, algae growth represents a problem happening away from the lake. In tonight's Lake Tahoe Report, Shelly Purdy takes us deep into the world of green slimy algae. ((TAKE PKG)) ((Track 1)) It's slimy, it's green and it's ugly. And since it clings to the rocks along the shoreline of Lake Tahoe, it's often the first thing people see when the visit the lake. ((SOT tape 3 @ 19:42 Brant Allen, Tahoe Research Group)) "It's really people's first impression of the shorezone of Lake Tahoe when they come down and see the big expanse of the lake and when they look at their feet in a lot of places they see very ugly attached algae growth." ((Track 2)) It's this negative first impression researcher Brant Allen is working to prevent. His job is to take samples of the slimy green stuff and analyze it in the lab. He tests for chloraphyll which tells him how fast the algae is growing - and he measures the samples to see just how much is growing at any particular site. Algae grows in places where there are nutrients like dirt and sediment for it to eat. So, testing these algae blooms tells researchers exactly where the problems areas are. ((SOT tape 3 @ 19:27 use b-roll to cover and combine with SOT tape 3 @22:30)) "Streams bring nutrients into the lake and when the nutrients come into the lake they feed the algae" "So it's a great indicator of what is going on in the immediate area. it's a good localized indicator of nutrient input." ((Track 3)) And knowing where the nutrients are going into the lake helps researchers plan erosion control projects and take other measures to reduce or control the problem. With the Lake Tahoe Environmental Education Coalition, I'm Shelly Purdy for KOLO News Channel 8. ((Anchor Tag/Still Store)) If you would like to learn more about algae growth or what you can do to reduce pollutants in your home or property, visit our website at and go to the links page.

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