The development of agricultural technologies, the intensification of cultivation and animal husbandry, - along with several other threats - , led to the collapse of the Central European Great Bustard population, and resulted in a large decline in almost all populations worldwide. Out of the nine threats listed in the “International Single-Species Action Plan for the Western Palaearctic Population of Great Bustard, Otis tarda tarda”, five are related partly or entirely to agriculture.