proportional_composition

This data file describes the species composition of grasshoppers collected during field surveys. Columns are as follows: Species: species name; TimePeriod: observation period in years; Elevation_m: site elevation in meters; JulianDate: Julian date of observation; Proportion_xInstar: proportion of population within instar x.本数据文件记录了野外调查采集所得的蝗虫物种组成情况。各列字段说明如下： Species（物种）：物种学名； TimePeriod（观测时段，单位为年）：以年为单位的观测时间段； Elevation_m（海拔_米）：样地海拔，单位为米； JulianDate（儒略日）：观测当日的儒略日； Proportion_xInstar（x龄级占比）：对应龄级x的种群个体占总种群的比例。