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, 22 May 2017


Hi! We are Sara and Kenia.

We are biotechnology students at Cadiz Science university. We are going to explain how our Winogradsky column develops. Our goal is to create two gradients (one of them is H2S and the another one is of O2) where different microorganisms will grow.

We have added 30,1 g of mud from Rio San Pedro to our column and we have mixed it with 0,1 g of CaSO4. This mix is TO crEate a gradient of SO4.

After that, we have added 0,1 g of NaHCO3 thaT produces CO2 : if the microorganisms are autotroph, they will make their own nutrients from inorganic carbon.
We have also added 0,1 g of cellulose so these microorganisms can feed themselves, because cellulose is a polymer of glucose .
 we have put all of them in a cristal tube.

Finally, we have put our column near the window, so the microorganisms can catch the sunlight and take advantage of it.

We will see the evolution of the column during a few months, so we will show you photos of our winogradsky column along the time.

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