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

Wednesday, 20 May 2015

Winogradsky Column (Team 01)

Team 01 Aggelakopoulos Rafail - Antoniou Kostas

Hello Winobloggers,

We are a two person team from university of Thessaly in Greece and we are doing an experiment with the Winogradsky column. In the column we used a plastic bottle (1,5L), which was cut just below the upper part , seawater (~500ml), an egg, pieces of newspaper and an amount of sediment from the beach of Anavros, a region of Volos.


Day 1
  •  Day 1
  • At the first day of the experiment we sealed the column and was held in the dark, inside a locker.
Day 2

  • Day 2
After three days we can see a slight change in the turbidity of the water style. In the sediment we haven't seen any changes yet.

Day 3

  • Day 3
In this photo we can see the water style becoming darker due to the FeS which is released from the anaerobic processes which are taking place inside the column. In the sediment we can see a blackish color at its first layer because of the production of H2S from the iron and sulfide reactions. These reactions are commonly known as anaerobic digestion 

Day 4
Day 4

  • Day 4
In these images we can see the higher rate of the anaerobic processes which is depicted from the black color of the water column. We can also see the black banding which is more intense and deeper. Finally we can see the formation of  CaCOas a result of the existance of calcium from the eggshell.

Day 5
Day 5

  • Day 5
In the last images we can see the black zoning going deeper in the sediment. Also we see the formed CaCO3 getting bigger. 

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