The survey data of vegetation quadrat in the middle reaches of Heihe River consists of the field survey data in 2013 and 2014, including the vegetation and soil data of the survey quadrat. The data of each survey sample includes the following information: sample longitude and latitude, sample size, elevation, sample overview, plant name, plant height, crown width, coverage, total coverage, number of trees, plant spacing, row spacing, large row spacing, DBH. The soil is divided into 6 layers according to 0-100cm below the ground, which are 0-10cm, 10-20cm, 20-40cm, 40-60cm, 60-80cm and 80-100cm respectively.
2020-07-30
At the same time with the observation of soil moisture content, the project measures the soil temperature data of Tamarix Tamarix forest in the lower reaches of Heihe River from 2011 to 2012, with a depth of 10, 30, 50, 80, 140cm and a frequency of 0.5h. The measuring instrument is 109ss produced by Campell company of the United States.
2020-03-06
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