Ecology. A Tullgren funnel and light source. This is used to coax living organisms,mainly arthropods,into leaving a sample of soil to be collected. The lamp heats the top of the soil,and the insects tend to move away (downward),falling out of the soil and into a collecting vessel | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library |
Bildgröße: | 4205 px × 4205 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |