Winogradsky column lab page!

Welcome to the Winogradsky column lab page! Students from the Departments of Biological Applications and Technology, University of Ioannina and Icthyology and Aquatic Environment, University of Thessaly, Greece and the Microbiology course, Faculty of Sciences, University of Cádiz, Spain, discuss their findings on Winogradsky columns they constructed!

If you want to add a post, please feel free to contact the blog administrators (Hera Karayanni, Sokratis Papaspyrou or Kostas Kormas)!

Καλωσορίσατε στη σελίδα των Winobloggers! Διαδικτυακός τόπος συνάντησης φοιτητών, φοιτητριών και διδασκόντων δύο Τμημάτων από την Ελλάδα: Tμήμα Βιολογικών Εφαρμογών και Τεχνολογιών, Παν/μιο Ιωαννίνων και Τμήμα Γεωπονίας, Ιχθυολογίας και Υδάτινου Περιβάλλοντος, Παν/μιο Θεσσαλίας και ενός από την Ισπανία: Σχολή Θετικών Επιστημών, Πανεπιστήμιο του Cadiz. Παρακολουθούμε, σχολιάζουμε, ρωτάμε, απαντάμε σχετικά με τα πειράματά μας, τις στήλες Winogradsky!

Bienvenidos a la pagina web de los Winobloggers! Aquí los estudiantes y profesores de dos departamentos griegos, el Departamento de Aplicaciones y Tecnologías Biológicas de la Universidad de Ioannina y el Departmento de Agricultura, Ictiología y Sistemas Acuáticos de la Universidad de Thessalia, junto con los estudiantes de Microbiología de la Facultad de Ciencias en la Universidad de Cádiz, se reúnen para observar, comentar, preguntar y responder a preguntas relacionadas con nuestro experimento, la columna Winogradsky.

Winogradksy columns

Winogradksy columns
'In the field of observation, chance only favors the prepared mind' Pasteur 1854

Blog posts

Monday, 31 October 2016

Winogradsky’s Column


Team 7: Serasidis Konstantinos, Tsinoglou Makrina

The sampling took place in Vrellis Lake of Ioannina  on 21st of October 2016 at around  1 o’clock.

For the composition of the columns we used: 2 plastic bottles (1,5 L) that the top was cut and removed, 2 raw eggs, sheets of newspaper, a shovel, plastic bawl and plastic membrane.

After mixing the mud with the enrichment materials (egg and sheets of newspaper), we filled 1/3 of the bottle with the mix, then we added mud without enrichment materials for another 1/3 of the bottle. Finally, water from the lake was added to fill the bottle. This method was used for the second column too.

In order to observe the development of the microorganisms without light effect, one of the bottles was covered with foil. Both of the bottles were placed at an outdoors environment. 
In our experiment we will observe possible differences at the growth of microorganisms in the two Winogradsky columns, with presence of light at the first column and completely dark environment at the second one. The hypothesis of the experiment is that algae and other aerobic phototrophs will be present along the surface and water of the upper half of the column that was held in light and absent in the column that was held in complete dark. Green growth is often attributed to these organisms so the result will be visually observed. 

1. control column
2. column (dark)

After one week of development there were no noticeable
differences between the two columns. 
1. control column
2. column (dark)

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