SIMEONS WEB PAGE
"Marine Biology, It's Algae!"
Algae

Indian River

Cascade Creek

Starrigavin Creek

Goddard

Water Flow

Lab Reports/Comparison Table

Link To Other Pages

I'm a part of the marine biology crew! My group has been studying algae! WOW! We have found that there are three different types of multicellular algaes: Red, Green, and Brown. What we've done is: We went around to three different locations here in Sitka (Indian River, Cascade Creek, and Starrigavin Creek) and took algae samples. Then we examined and identified the algae. We even took some to an expert marine biologist and had him help us identify them. Then we learned how to measure the water flow, and take water temperature to see if it interfered with the algae. And we made hypotheses and questions on the algae then later wrote up lab reports. The lab reports have our questions, hypotheses, steps and procedures, then a conclusion. And we took lots of pictures that you will see on this site! Pretty exciting stuff huh! Our main goal for this session was to go and study Goddard Hot Springs. This took us several tries before we finally made it. But after many attempts we finally did make it and it was great! Afterwards we compared Goddard with the rest of our sites and made a comparison table. Then we made our web pages that is what I'm doing right now.



                                                                                                                                                                                                                                 By, Simeon
Algae
There are three different types of multicellular algae: Green, Brown, Red. Life as we know it would never have evolved without algae, for they produce much of earth's free oxygen through photosynthesis.

There are three different types of algae, and the three different types come from three different places. The green algae is found where there is fresh water and the brown algae is found where there is salt water. When we found the red algae the water temperature was a lot higher so we think that the red algae is found where it is warmer, I also read that somewhere.

 Names: Green algae (Chlorophyta).
              Brown algae (Phaeophyta).
              Red algae (Rhodophyta).

Sorry no pictures here.

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Indian River
When I went to Indian River with my crew we found five different algae samples. They were green and brown algaes and they were taken off old logs and rocks. We examined our samples and looked at them under a microscope. Also we found that the green algae comes from where there is fresh water and the brown algae comes from where there is salt water this was one of my hypothesis's.
These are our algae samples from Indian River

This is brown algae on a stump.

This is green and brown algae that was on a rock in the river.

Here's more green algae.

Another rock with green algae.
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Cascade Creek
When my crew went to Cascade Creek we found four algae samples that were green and brown algae. They were taken off rocks and they were pretty much the same as our last samples were. The green was in fresh water and the brown was in salt water. After that we never went back there again.

Sorry No Pictures Here

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Starrigavin Creek
At Starrigavin we found two green samples that were in the creek. They were in fresh water and they were the same as our last samples. Later we went back and looked near the ocean where there was salt water and we found brown algae too.

These are the two samples that we found in the creek.


A slimy green rock covered in algae.

Another green rock.
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Goddard
When we finally got to Goddard it was amazing! The difference in algae was awesome! Before Goddard we never found any red algae and at Goddard it was everywhere. We think that the water temperature was what caused this difference in the algae, also the sulfur might have affected it as well. The water at Goddard was a lot warmer than the rest of our sites and I read that red algae was found where its warmer. We found green and brown algae at Goddard too, it was in the fresh and salt water.

These are our pictures from Goddard


This is Jake, one of the students in my crew. He's holding a rock with algae on it. 

Here's the rock that Jake is holding, It's covered in green slimy algae.

This is red algae! WOW! It took us a long time to find.

Here's some rock weed and red algae.
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Water Flow
Instructions for water flow:
1. Walk until you reach a fairly uniformed section of the river/creek.
2. Measure the length of this distance and record it down.
3. Measure the width and record it down.
4. Using a yardstick or large stick that you have marked off some measurements on, measure the depth of the river/creek. Do this at several equal distances across the river (good idea to have someone holding the tape measure across the river and measure the depth every one foot). record it all down, make a drawing to help you keep track.
5. Using a tennis ball float it down stream at the same point you started measuring the stream in #2. You will time how far your tennis ball travels in one minute. Measure this distance in feet. You will do this at several different intervals across the river/creek (possibley the same distance apart as in number 4). You will average them all together and get a number. Record this down.

My crew took the water flow of our three different sites here in Sitka but at Goddard the streams coming on to the beach were to small to take the flow. I really don't think that the water flow affects the algae anyway. I just think that the water type and temperature affect the types of algae though. The water flow might affect the amount of algae though. Indian River had the fastest water flow it was more than twice as fast as the water flow at Starrigavin. And Cascades water flow was really slow.

Indian River-148.6 cubic meters per min. of water flow
Sarrigavin Creek- 65.78 cubic meters per min. of water flow
Cascade Creek- 17.479 cubic meters per min. of water flow

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Lab Reports
Indian River Lab Report

Question: Is the algae in greater amounts near the river rather than the ocean side?

Hypothesis: I think that the algae would be greater near the mouth of the river because of the fresh water, also the water temperature might have something to do with it, or the way that the water is moving.

Steps/procedures for collecting algae: #1, Go to site where collecting the algae. #2, Find rocks, logs, whatever with algae.
#3, Scrape the algae and put it in test tubes or sample bags, mark the sample numbers. #4, Draw a map of the site where collecting the algae and record sample numbers on the map. #5, Bring back the algae to be examined and identify the algae.

Results/Data: Five samples were taken from Indian River off of rocks, a log, and a stick. They were green and brown algaes. The green was in fresh water near the river and the brown was in salt water on the ocean side. One sample was green and brown algae it was found where the fresh and salt water were combined.

Cascade Creek Lab Report

Question: Is the algae at Cascade Creek the same as the algae at Indian River? How do they compare?

Hypothesis: I think that the same types of algaes come from the same types of places.

Steps for collecting algae: #1, Find a site, go to site. #2, Find the algae. #3, Draw a site map. #4, Collect algae and put in sample bags, mark sample numbers on samples and on the site map. #5, Bring algae back examine and identify algae.

Results/Data: On our second algae hunt we found four algae samples that were taken off rocks. The green was in fresh water in the creek and the brown was in salt water at the ocean. So it was pretty much the same as Indian River was and my hypothesis was correct.

Starrigavin Creek Lab Report

Question: Is there both green and brown algae at Starrigavin Creek?

Hypothesis: Green algae is in the fresh water and brown algae is in the salt water.

Steps: #1, Find a site. #2, find the algae. #3, Draw a site map. #4, Collect algae and record sample numbers and location on the map. #5, Bring the algae to be examined and identified.

Results/Data: There were both green and brown algae at Starrigavin. The green was in fresh water and the brown was in salt water. I think that it was pretty much the same as the rest of our samples. We haven't found any red algae yet.

Goddard Hot Springs Lab Report

Question: Is the water temperature higher at Goddard? How does the sulfur affect the algae?

Hypothesis: I think that the water temperature and sulfur at Goddard will affect the algae greatly.

Steps/Procedures: #1, Find and go to location. #2, Find the algae. #3, Map the site. #4, Collect samples of algae and put them in sample bags. Write sample numbers and mark there location on the site map. #5, Bring back algae and examine it more than identify the algae.

Results/Data: My crew finally got to Goddard! We were amazed at the difference in the algae! We never found and red algae before and there was lots of it there. We also found green and brown algae but there was way more red than anything else. We think that the higher water temperature was what caused there to be red algae. The green algae was in fresh water and the brown was in salt water just like all the rest of our sites. There was sulfur at Goddard too and that may have affected the algae but were not sure how.

Comparison Table Of Sites For Water Flow, Water Temp, and Algae Type

Indian River Cascade Creek Starrigavin Creek Goddard Hot Springs
Water Flow 148.6 cubic meters per min. 17.479 cubic meters per min. 65.78 cubic meters per min. NONE
Water Temp. -2 degrees Celsius -3.5 degrees Celsius -2 degrees Celsius 5 degrees celsius
Green Algae yes yes yes yes
Brown Algae yes yes yes yes
Red Algae no no no yes

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Here are some links to other pages:
THE STEP BY STEP GUIDE TO FINDING WATER FLOW, By Dessie
Abnormal Algaes Of Goddard Hot Springs, By Jake
Influence on plant life of Goddard Hot Springs water, By Tristan
Botany at Baranof Island, By Joanna
Hot spring Models, By Carlson
How Nasturtiums Are Affected By Goddard Hot Springs Water And Rain Water, By Karra
The Geology Page, By Stormy
Goddard Hot Springs, By Erik
Back To Pacific High School Goddard Projects Home Page


Here is our school photo.
"Thats All Folks"By, Simeon