Complex sentence: In 1952, the Agronomy Institute had finished its activities in the area; in 1954, it was transferred to the Department of Zoology to constitute the Boracéia Biological Station, aiming at the implementation of general biological research.
Split into simpler sentences: In 1952, the Agronomy Institute had finished its activities in the area; in 1954, the station was transferred to the Department of Zoology. It became the Boracéia Biological Station, and its aim was the implementation of general biological research.