Complex sentence: In order to protect the islands's wildlife the islands are managed as a nature reserve by the New Zealand Department of Conservation; in 2006 DOC used aerial drops of poison bait in order to remove introduced rats.
Split into simpler sentences: In order to protect the islands's wildlife the islands are managed as a nature reserve by the New Zealand Department of Conservation. In 2006 DOC used aerial drops of poison bait in order to remove introduced rats.