Saturday, November 15, 2008

Blog 4 Week 4

Good evening one and all, well, here is my last post for our project sad isn't it? But hey, I have added a ton of pictures for my final blog. Interestingly enough almost all of my pictures are taken from along the edges of my aquarium there seemed to be an abundance of microlife along there.

I am going to have to ask patience because at the moment I can not for the life of me find my note book giving all the references though I can have Dr, Macfarland attest that I did so because I worked with him on a bunch of these.

Just below is an amoeba which are just fascinating. They move via their cytoplasmic movement with in. It almost looks like it is just oozing and flowing down a hill when it moves. I had not really taken into account that this could be an organism at first because if you don't watch for a little they don't move fast enough to catch your eye. Which I have found to be true of many of these organisms.




The next two pictures are of a green alga called chladophora it is a filamentous alga that has over the weeks been growing rapidly. Interestingly enough this is due to getting sunlight. Which is why the micro aquariums have had to be kept in a darker room so the alga don't take over.


These little guys in the next couple pictures are cyanobacteria. I couldn't get a close enough shot but if you were to get close you would see they are green in color. At first I just thought they didn't moved but they I noticed they sort of drift along. Very cool.Now this guy is very interesting. We are not a hundred percent sure but we are pretty sure it is a diffluga. It sticks this long almost tongue shaped cilliate out and inches itself along.


Here is a picture from the internet showing it (http://www.google.com/imgres?imgurl=http://protist.i.hosei.ac.jp/PDB/Images/Sarcodina/Difflugia/Difflugia.jpg&imgrefurl=http://protist.i.hosei.ac.jp/PDB/Images/Sarcodina/Difflugia/index.html&h=378&w=513&sz=35&tbnid=rizNqpHH2-AJ::&tbnh=97&tbnw=131&prev=/images%3Fq%3Ddifflugia&hl=en&usg=__16ddGANH9yQHvrdLTafnB88SqHQ=&sa=X&oi=image_result&resnum=5&ct=image&cd=1) Once again a picture of an Arcella...
This particualar organism I think I said was something but was wrong. I looked him up in the books with the help of Dr. MacFarland but since I can't find that right now I just thought I'd say that for the record. This creature moves very, very quickly and is all over. It moves it cilliates in a circular motion and can make it self twist and turn on a blink of an eye.
This is another creature, that we never figured out it's true identity, it had that tongue like look again which moved it, but we


Finally, below are a few diatoms. The first one is a fan shaped and the other is from a different class.


I have really enjoyed doing these microaquariums. So much so I am taking mine home so I can show people and perhaps continue to look and learn about all the amazing things that can't exist in such a small space. I think Vorticella are one of my absolute favorites and will probably spend more time learning about then also make them the organis I do for my paper. Anyways, this is Suzanne signing out...

Saturday, November 8, 2008

Blog 3 - Week 3

Well sports fans, (Or aquarium fans) here we are on our third week. Shall we?

To begin with lets start with a few photos from the past couple weeksHere is a picture of plant A and the damage that it sustain from being put into the Microaquarium. Causing it to dye in certain places.

On a brighter note on both plant A and B there are signs of life. There are the leaves slowly poking their heads out and also a very interesting new thing...These tiny little red tubes probably something to hold onto the substrate with.



Here is a picture of one of the plant bladders which I think are just fascinating as it is starting to shoot those little tendrils out? This is plant A or also known as a moss. I will have to ask about what those tendrils are whether roots or some means of catching things.



It is kinda hard to see but if you look at what seems to be a clear bulged that just so happens to be a Dileptus (Patterson DJ. 1996. Free-Living Freshwater Protozoa. Washington, DC: Manson Publishers, Ltd. pg. 168) The small yellow disk shape is an Arcella as well. Let's try to get a better pic of the dileptus off the internet...
This is a much better example of what it looks like (Site quoted below) The dileptus stretches out its head very far and it gets thinner as it goes but then it can retract it as it moves or while it is searching.



The organism above is an Arcella according to Dr. McFarland. It will very slowly move as it shoots out these little tendrils or more so flagella.



Very sadly here lies a dead rotifer (on top)... But there still seem to be plenty of them in the tank, they seem to still be one of the most numerous organisms. The second picture is a side shot of one them moving around. They move very quickly so it is hard to keep an eye on them.


Here are the unidentified organisms, that seem to be swarming around the plant but in reality are feeding off of a broken off piece of food.

The first picture shows the filamentous green algae and how it is spreading more and more but up closer we can see a new organism I found. It is called a Vorticella (Patterson DJ. 1996. Free-Living Freshwater Protozoa. Washington, DC: Manson Publishers, Ltd.) This creature tends to spiral itself up and extend. It constantly has cilia swirling around its mouth to propel food in. As I was looking around I found more and more of these guys.

Well I have more to add to this week in pictures but I will make a second post for that later. So life in the aquarium is ever changing and shifting.

The algae in particular seems to have grown a ton. It is definitely visible to the naked eye. It grows throught out even through the dirt which I will have a picture of later. Also I have pictures of Gastrotrichas that seem to swarm all over the tank.

But that's all folks!



Additional Sources:
http://images.google.com/imgres?imgurl=http://www.pirx.com/droplet/gallery/dileptus/dileptus1.jpg&imgrefurl=http://www.pirx.com/droplet/gallery/dileptus.html&h=425&w=425&sz=37&hl=en&start=2&sig2=BSEMOb1tlY9u3RmsMW832w&um=1&usg=__QORIORBX-0DodETiz1QDGicy5Ts=&tbnid=lyhN2IM0mEzAiM:&tbnh=126&tbnw=126&ei=-m0WSZG-J46a8wTw1KGGCw&prev=/images%3Fq%3Ddileptus%26um%3D1%26hl%3Den%26client%3Dfirefox-a%26rls%3Dorg.mozilla:en-US:official%26sa%3DN