tullgren-funnel

4 года назад

The video shows how to set up a Berlese or Tullgren funnel, a device used to extract small organisms from leaf litter. The setup involves a bright lamp, a funnel, and alcohol in a container. The video highlights the importance of a heat gradient and moisture to encourage the organisms to move down into the alcohol.

14 лет назад

This video demonstrates a method for collecting soil insects using a Berlese funnel. The process involves taking a soil sample, preparing a funnel with a jar of alcohol, and using a heat lamp to encourage insects to move downwards. After three days, the insects can be examined under a microscope.

5 лет назад

Berlese