BIOLOGISCHE VIELFALT AUS DER VOGELPERSPEKTIVE.

The article focuses on satellites, airplanes and drones survey the territory of the Swiss National Parks (SNP) from different distances and with several (eagle) eyes. It mentions biodiversity, is the totality of all life forms on earth and meadows with one high biodiversity are less susceptible to sudden changes such as drought or pest infestation. It also mentions biodiversity loss in meadows and willows are the nitrogen deposits caused by the combustion of fossil fuels and fertilization.