Complex sentence: IUCN Category II National park--this bears similar characteristics to that of Wilderness Areas with regards to size and the main objective of protecting functioning ecosystems, however National parks tend to be more lenient with human visitation and its supporting infrastructure.
Split into simpler sentences: IUCN Category II National park--this bears similar characteristics to that of Wilderness Areas with regards to size and the main objective of protecting functioning ecosystems. However, national parks tend to be more lenient with human visitation and its supporting infrastructure.