Educational
Projects
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Sponsored by Scotia Gate Program and the Cuddeback and Bridgeville Watershed Project. During the 2006-2007 school year, three field trips were conducted to Hely Creek on 9/22/06, to Grizzly Creek on September 29th, and to both Hely Creek and the Main Stem Van Duzen on 5/17/07. In addition, Ed Brenneman conducted individual and small group trips to Hely Creek with students from Cuddeback and Bridgeville Schools. 8th Grade Cuddeback and Gate students Scotia Total Students 25 Time : 9:45 2:15 Date : 9/22/06 9/22/06 Personnel Ed Brenneman, Cuddeback Watersheds Director Sal Steinberg, Scotia Gate Director Dave Heaton, Geologist Chris Ramsey, Fish and Game Education Director Kristine Darby, Scientists in the Schools Nic Simpson, Macroinvertebrates Blaine Sigler, 8th grade teacher Chris Ramsey, California Fish and Game Education Coordinator discusses fish population counts with students at the mouth of Hely Creek. In 2001, approximately 25-30 chinook entered this system. In 2006, one pair spawned under the bridge. Dave Heaton studies the root structure, age, and geology of the bluff. Students
learning to use hach cells and the turbidimeter. 7th /8th Grade Bridgeville and Gate Students Scotia Total Students 27 Time : 945-2:15 Date : September 29that Grizzly Creek Oct.24th
on the Main Stem in Bridgeville Ed Brenneman, Cuddeback Watersheds Director Sal Steinberg, Scotia Gate Director Michael Guerriero, artist Dave Heaton, Geologist Kristina Darby, Scientists in the Schools Nic Simpson, Macroinvertbrates Virginia
Mullan, 8th grade teacher 11:00 A.M. Van Duzen River Mainstem 10/24/06 Today is overcast and cold. I am in a pretty good mood. There is not a lot of stuff hanging over the river. I hear the river babbling and pencils writing. I can also hear cars going by. I am with Danielle, Mattis, Alex, Shawn, Jordan and Mr.Brenneman. We got to get out of class. The main reason for being here is to study the river. Data from field trips to Grizzly Creek Sept.29th and Main Stem 10/24/06 Test Location Grizzly Creek Main Stem Van Duzen Temperature 13.6 13.26 PH 8.77 Dissolved Oxygen 10.13 mg/L 10.30 mg/L Turbidity 1.87 NTU .13 NTU Notes from Dara Katedorn Geology 9/29/06 Color : violet, penny copper, bluish grey, elephant grey Shape : my rock looks cube like Luster : it has a certain sparkle Hardness: my rock has a hardness of about 3.5 Toughness: my rock is brittle and comes off in pieces Identification : Arguillite Macroinvertebrate Counts on Main Stem, location in a riffle Stone Fly 6 May Fly 4 Caddis Fly 20+ Fly
Larva 4 8th Grade Cuddeback and Gate students Scotia Total Students 25 Time : 9:45 2:15 Date
: Thursday May 17th Ed Brenneman, Cuddeback Watersheds Director Sal Steinberg, Scotia Gate Director Cat McAdams, Artist with volunteer assistant Roger Dave Heaton, Geologist Kristina Darby, Scientists in the Schools Stations each station will be conducted twice during the day with a break for lunch. #1 Water Monitoring This group will conduct waters quality monitoring on the Main Stem compared to Hely Creek. They will conduct turbidity, flow across the creek, temperature, and other water quality tasks. Students will file an official report with the Van Duzen Watershed Project #2 Geology and Art - students will study the Bluffs, take a geological walk with Dave Heaton, then work with artist Cat McAdams and her assistant to make a drawing of the bluffs. #3 Botannical walk through the Redwoods students will take the Humboldt Grove hike, take plant samples, and make observations about the Redwood forest through poetry. Students study wild iris with an eye for poison oak. All students will gather at 9:45 at Swimmers Delight for Welcome Stations will run from approximately 10 11:30/11:45 with a break for lunch and then we will run the stations a 2nd time by 12;30. A
spot-check of Hely Creek and the Van Duzen river at Swimmers. The date
samples were taken was May 17, 2007. The weather was sunny and warm.
Hely Creek in the area monitoring occurred is largely shaded by trees.
The Van Duzen River at Swimmers is completely exposed to sunlight. There
is little to no shading of the Van Duzen River. Streams
supporting healthy fish populations have conductivity ranges between
150-500 microseimens. Conductivity is a measure of the ability of the
minerals in the water to pass an electrical current. These minerals
are important for the passage of nutrients in and out of an organisms
cells. The Van Duzen had a conductivity reading of 161.3 microseimens
while Hely Creek had a reading of 48.6 microseimens.
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