enemyThe influence of solar power on wood ant’s behaviour in summer.

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In summer, wood ants avoid places with with direct sunlight and seek shadow. This video shows a populated nest in summer. Sunlight hits the nest directly. There is a sharp line between the sunny slope and the shadow side. Ants do not like to cross this line. This same behaviour has been seen on ant roads on other surfaces. Because the absorbtion of enery by a surface depends on it’s material, also the heating of the surface differs.  The ants stoped hiding withinn seconds after a cloud blocked sunlight.

The avoiding behaviour was observed with a solar power between 760 W/m2 and 800 W/m2 with an air temperature of 18°C.

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