Rocky Fork Stream Study Rocky Fork Stream Study Analysis and ReportAnalysis and ReportTasha, Skye, Josh, Gage, Taylor, Tasha, Skye, Josh, Gage, Taylor,

Emily and JonathanEmily and Jonathan

Dissolved Oxygen (electronic)- tools used

1. 2.

3. 4.

1. Tool that detects dissolved oxygen. 2. Calculator used to keep track of dissolved oxygen. 3. Plug it into calculator. 4. Now your ready to test with your tools.

Dissolved Oxygen (manual)- tools used1. 2.

3. 4.

1. Manual dissolved oxygen kit used. 2. Stick the tube in with stream water. 3. Let the tube rest there for a few seconds. 4. Compare the tubes with other examples.

Dissolved Oxygen results

Stream AreaDissolved Oxygen

(Electronic)

Riffle 9

Run 8.5

Pool 9

Stream AreaDissolved Oxygen

(Manual)

Riffle 1.1

Run 0.9

Pool 0.8

Its not surprising the most oxygen was found in the riffle, because that’s where oxygen enters the streams.

Dissolved Oxygen (Manual)

0

0.2

0.4

0.6

0.8

1

1.2

Riffle Run Pool

Section of Stream

Am

ou

nt

of

Dis

so

lve

d

Ox

yg

en

Dissolved Oxygen (Electronic)

8.28.38.48.58.68.78.88.9

99.1

Riffle Run Pool

Section of Stream

Am

ount

of D

isso

lved

O

xyge

n

Nitrates

0

0.2

0.4

0.6

0.8

1

1.2

Riffle Run Pool

Stream Area

Nitrate Data

There were no nitrates found in either the riffle or the pool.

Velocity (electronic)- tools used1. 2.

3.

1. You need to use a graphing calculator. 2. Plug it into the port of the calculator. 3. Now you can use the tool Josh is using while swimming with his boo.

Velocity (manual)- tools used

We measured out 10 feet with the tape measure (left), and dropped the noodle material in the water (orange, right). We timed how long it took to travel the 10 feet and that’s how we got the velocity manually.

Velocity Results

Stream Area Velocity

Riffle 0.37333

Run 0.2225

Pool 0.04

00.050.1

0.150.2

0.250.3

0.350.4

Velocity (m/s)

Riffle Run Pool

Stream Area

Velocity Data

Stream Area Conductivity

Riffle 900

Run 900

Pool 900

Conductivity

0

200

400

600

800

1000

Conductivity (uS)

Riffle Run Pool

Stream Area

Conductivity Data

4.8

5

5.2

5.4

5.6

5.8

6

pH level

Riffle Run Pool

Stream Area

pH Level

pH Level

Stream Area pH Level

Riffle 6

Run 5.25

Pool 5.5

17

17.1

17.2

17.3

17.4

17.5

Temp. (celsius)

Riffle Run Pool

Stream Area

Temperature Data

Temperature

Stream Area Temperature Data

Riffle 17.4

Run 17.5

Pool 17.2

Raw materials

Producers= Autotrophs

1st Level Consumers=Heterotrophs

2nd level consumers= heterotrophs

3rd level consumer= heterotrophsD

ec

om

po

se

r s

• Autotrophs– Organisms that produce their own food.– An example are plants that get their energy

from the sun

•Heterotrophs

-Are organisms that eat other organisms

-Some examples are humans, animals, etc.