The degree and range of possible impact of highway construction on the ecological environment is discussed, and the impact on loss of soil and water under varying regions and coverage is analyzed.

• 本文论述了公路建设施工期、运期对沿线生态环境可能产生的影响程度和范围，着重分析在不同地区、同覆盖率下对水土流失的影响。