Methods such as raised pathways have been used in recent years by planners in many parks around the world to prevent visitors from having the opportunity of treading on plants or wearing out grass and thereby reducing their effect on the environment to a minimum.
近來許多國家在他們的自然保護區和國家公園內，也都以各種方法，如抬高步道，使遊客沒有機會踐踏到地面植物，也不會造成土質堅硬，將人群對生態的干擾減至最低。