Complex sentence: Other man-made threats include the problems of popularity in a country with limited wilderness resources and a large, relatively affluent urban population.include various types of recreation and the associated trampling damage and erosion, disturbance, litter and threats to water quality.
Split into simpler sentences: Other man-made threats include the problems of popularity in a country with limited wilderness resources and a large, relatively affluent urban population. These include various types of recreation and the associated trampling damage and erosion, disturbance, litter and threats to water quality.