Complex sentence: The Mi'kmaq gave it its name which means "big marshes" because of the 343 hectares (837 acres) of salt marshland along the Chebogue River beginning at Arcadia.
Split into simpler sentences: The Mi'kmaq gave it its name meaning "big marshes". In fact there are 343 hectares (837 acres) of salt marshland along the Chebogue River beginning at Arcadia.