development_index
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资源简介：
This data file describes the developmental stage 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; DevelopmentIndex: the average developmental stage of the population with 1 to 5 representing the 1st to 5th instars and 6 respresenting adults; seDevelopmentIndex: the standard error of the development index. Missing data are indicated with NAs.
创建时间：
2015-05-12
