Complex sentence: Wallis observed that the island was inhabited and well-stocked with coconut trees, but Captain Frederick Beechey, who visited Nukutavake in 1826, found it with no population and without the trees.
Split into simpler sentences: Wallis observed that the island was inhabited and well-stocked with coconut trees. But Captain Frederick Beechey, who visited Nukutavake in 1826, found it with no population and without the trees.