四川省第五次一类清查森林资源概况表

本数据是四川省第五次一类清查森林资源概况表。统计了四川省森林资源总面积、林业用地面积、活立木总蓄积、有林地面积、有林地蓄积、林分面积、林分蓄积、林分蓄积面积比例、针叶林面积、针叶林蓄积、针叶林蓄积面积比例、阔叶林面积、阔叶林蓄积、阔叶林蓄积面积比例、经济林面积、竹林面积、森林覆盖率、林业用地占总面积比例、有林地占林业用地面积比例、人均有林地面积、人均有林地蓄积。This dataset presents the Overview Table of Forest Resources from the 5th Class I National Forest Inventory of Sichuan Province. It includes statistical data on the total area of forest resources, forestry land area, total standing stock volume of live standing trees, closed forest land area, stock volume of closed forest land, stand area, stand stock volume, ratio of stand stock volume to stand area, coniferous forest area, coniferous forest stock volume, ratio of coniferous forest stock volume to coniferous forest area, broadleaved forest area, broadleaved forest stock volume, ratio of broadleaved forest stock volume to broadleaved forest area, economic forest area, bamboo forest area, forest coverage rate, ratio of forestry land area to total provincial land area, ratio of closed forest land area to forestry land area, per capita closed forest land area, and per capita stock volume of closed forest land.

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背景与挑战

背景概述

该数据集是四川省第五次一类清查森林资源概况表，以表格形式统计了四川省森林资源的总面积、活立木总蓄积、森林覆盖率等23项关键指标，全面反映了该省森林资源状况。数据来源于2002年的清查工作，经过规范化录入和校对，具有较高的准确性和完整性，但数据量较小且时间较早，适用于历史森林资源分析和研究。