Posts Tagged ‘Diatom’

The subjects of my interests about microscopy changes from time to time.  I have been crazy about rocks and minerals this summer.   The temperature here has been dipped down to mid 40s degree F (7 degree C) in the early morning although the mid day temperature is still comfortably at mid 70s.  I got to go out to collect some pond specimens for observation before it is too cold for any organism to be active.  I choose different collection site, Briscoe Park Located at Snellville, GA.

The number and variety have been drastically reduced from my early summer observation.  Again, I found seed shrimp (Ostracod) in my collection.

Seed Shrimp (Ostracod)

Seed Shrimp (Ostracod)

A Dinoflagellate Ceratium spp.

First time, I observed a dinoflagellate (Ceratium Furca). It is a flagellate protist. I can barely see the flagella because the flagella are relatively transparent.


filamentous Green Algae

Unidentified Algae Colony

The specimen was collected in 60 mL tube and split into a several 7 mL tubes and centrifuged in my homemade centrifuge.

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