The environmental carrying capacity is the limit of the number of organisms that an ecosystem can sustain on the premise of maintaining the regenerative, adaptive, and renewal capabilities of living organisms. According to the above definitions, Which of the following are not measures to protect the carrying capacity of the environment:. ['Government regulations on the number of livestock grazed per square hectare of pasture.', 'The government has paid for repairing roads that have been in disrepair for a long time and stipulates that vehicles with a load of more than 20 tons are prohibited from passing.', 'In order to prevent outsiders from grazing freely, the government divides pastures to individual herders and installs fences at the border.', 'It is stipulated in a scenic area that the number of tourists entering the scenic area per day must not exceed 1,000.']