Effects of road networks on regional ecosystems in Southwest mountain area: A case study in Jinhong of Longitudinal Range-Gorge Region Spatial distribution and variability of heavy metals contents in the topsoil along roadside in the Longitudinal Range-Gorge Region in Yunnan Province Effects caused by highway construction on plant biomass of roadsides in longitudinal range-gorge region Spatial variability and distribution of soil nutrient contents along different environmental gradients of Yilong lake shore Calculation methods of ecological water requirements for in-stream in the Longitudinal Range-Gorge Region Calculation of ecological water requirements for in-stream in the Lancang River,Yunnan Province, China Spatial pattern of vegetation landscape diversity in Longitudinal Range-Gorge Region, Southwestern China.