Winogradsky Column

A Winogradsky Column is a transparent container filled with mud, water, and organic materials that creates a miniature ecosystem. Over time, different microorganisms—including bacteria and algae—develop in various layers, each thriving under specific conditions like light, oxygen, and nutrients. These microbes break down organic material and produce visible changes, such as colorful bands. The column demonstrates how diverse microorganisms interact in natural environments, showcasing processes like photosynthesis and nutrient cycling. It’s a simple way to observe microbial life and ecological succession in a controlled, visual format.