Winogradsky column lab page!


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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

Thursday 19 May 2016

UCA_GEN_5B_8B_4: Day 4

Day 4: 27/04/2016

LIGHT: It has more greenish shades, there is loss of bacteria in the surface layer that has become reddish and yellowish. Sulfur disappears and has CO2 bubbles, surface water is also transparent.





DARKNESS: It is grey more clear and surface water presents a layer of microorganisms from Brown.






DIFFERENCES: After eight weeks we observe that the bottle exposed to light presents more greenish coloration and a loss of black (iron sulfide). Finally, the surface water is clear and there is loss of microorganisms.
The dark bottle presents a gray color more clear and on the surface turbidity has been lost.

1 comment:

  1. The layer you see at the surface in the dark column is interesting. Is it oily? People usually see such surface layers in nature and think it is an oil spill but actually are iron oxidising bacteria (Leptothrix) that are capable to attach themselves at the water-air interface. Next time you see this, you know! Check these cool pictures here. http://www.lindagrashoff.com/08252006-36.html

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