Complex sentence: The Bosawás Biosphere Reserve evolved from the Sandinista revolution, the Chamorro government set aside three large reserves, Bosawás being the largest comprising of 7% of Nicaragua total land area.
Split into simpler sentences: The Bosawás Biosphere Reserve evolved from the Sandinista revolution. The Chamorro government set aside three large reserves, Bosawás being the largest, comprising 7% of Nicaragua's total land area.