Sunday, November 15, 2009

Week 5

As a note, I missed the lab covering Units 17 & 18. I will be making those up this week with Michelle.

Onto week 5: I was only able to stop in for a short time this week, due to an upper respiratory bug. I didn't want to share with everyone using the computer, so I did not take any pictures.

This week saw a rise in the population of dileptus. They had seemed to have died off in week 4; however, I saw plenty of them this week. It may have something to do with the decline in the number of seed shrimp; I saw more dead seed shrimp than live ones this week.

I continued to see a good number of lecane rotifers. I could not find, however, either the philodina rotifer or the cyclopses. I did see some incredibly tiny creatures moving in the water; however, they were so small that I could not identify them, since they appeared clear. My guess would be that these would be bacteria.

I also saw an abundance of diatoms; previously, I had thought these small specks were merely debris. However, I saw once again an interesting arrangement of them like I did last week. This picture dates to week 4, but has not been published before.



After observing these diatoms, I was overcome by a terrible coughing fit, and I chose to leave the lab in order to prevent anyone else getting sick!

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