Many governments in developing countries have set up national parks to conserve and protect their fragile environments in order to profit from tourists.
Limited numbers of people are allowed to visit certain places. For example, daily numbers are limited on The Inca Trail in Peru to conserve the beautiful landscape and ancient dwellings.
Tours have to be small scale. Holiday companies like have maximum group sizes.
National and local governments have a responsibility to manage tourism. Strategies will vary depending upon the tourist resort or visitor attraction. Many strategies will apply to all tourist areas, for example: