《Table 4 Number of landslides in different engineering geological rock group》

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《"Landslide integrated characteristics and susceptibility assessment in Rongxian county of Guangxi,China"》

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The landslide inventory map generated by Arc GIS10.2（Figure 1）is derived from continuous field investigations during 2004～2013 with a scale of 1:50000，analysis of topographic maps and aerial photographs，and historical records of landslides.Nearly a decade of field surveys in study area was strictly complied with the investigation standard of landslide and debris flow（No DD2008-02）set by China geological survey（China Geological Survey2008）.According to this standard，the areas having the environment of landslide formation are identified as the focus of the field investigation through the interpretation of aerial photographs.Theyincludetowns，villagesettlements，infrastructures（roads and bridges），mines and reservoirs.After identifying the landslide，a subsequent detailed investigation is conducted on a scale of 1 50000.Thus，these surveyed data can basically represent the landslide status in study area In this research，a total of 772 landslides are located in study area，and the scales of most landslides are small（Table 1）.