大样地基本概况

本数据是大样地基本概况，记录了大样地的样地号、面积、4个角点经纬度和高程、小地形、土壤类型、土层厚度、优势种、起源、林种、权属、造林时间、株行距、乔木层郁闭度、草本层覆盖度、死地被物层覆盖度、灌层覆盖度、总地表覆盖度、枯落物厚度。

This dataset contains basic profile information for large sample plots, recording the following attributes for each plot: plot ID, area, coordinates and elevation of the four corner points, microtopography, soil type, soil layer thickness, dominant species, stand origin, forest category, ownership status, afforestation date, row and plant spacing, canopy closure of the arbor layer, herb layer coverage, dead ground cover layer coverage, shrub layer coverage, total surface coverage, and litter thickness.

搜集汇总

背景与挑战

背景概述

该数据集为2017年戈壁大样地生态调查数据，详细记录了90个大样地的29项生态指标，包括地理位置、土壤特性、植被覆盖等关键参数。数据以表格形式存储，经过严格质量控制，错误率低于1/2000，具有较高的科研价值。