四川省退耕还林统计数据1999退耕还林(草)核查面积按坡度和林种统计表_附表

本数据记录了四川省退耕还林统计数据中1999退耕还林(草)核查面积按坡度和林种统计表_附表的统计单位、代码、林种、上报面积、核实面积、合格面积总计、合格面积15°以下、合格面积15°至25°、合格面积25°以上、待补植面积总计、待补植面积15°以下、待补植面积15°至25°、待补植面积25°以上、失败面积总计、失败面积15°以下、失败面积15°至25°、失败面积25°以上、损失面积总计、损失面积15°以下、损失面积15°至25°、损失面积25°以上等记录。退耕还林数据在林业科学研究和森林资源管理中十分重要的数据，包括不同退耕还林森林类型的空间分布状况、面积大小，行政区划及区划代码等信息。目前的退耕还林数据很多是由二类调查资料数据获得的，是在林业生产中十分重要的图面资料，对退耕还林管理部门决策提供科学依据。

This dataset records entries including statistical units, codes, forest categories, reported area, verified area, total qualified area, qualified area below 15°, qualified area between 15° and 25°, qualified area above 25°, total area to be replanted, area to be replanted below 15°, area to be replanted between 15° and 25°, area to be replanted above 25°, total failed area, failed area below 15°, failed area between 15° and 25°, failed area above 25°, total lost area, lost area below 15°, lost area between 15° and 25°, and lost area above 25° from the attached table of the 1999 Grain for Green (afforestation and grass restoration) verified area statistics categorized by slope gradient and forest type in Sichuan Province’s Grain for Green Project statistical data. Data from the Grain for Green Project are crucial for forestry scientific research and forest resource management, containing information such as the spatial distribution, area size, administrative divisions and their codes of different forest types under the project. Most current Grain for Green Project data are derived from second-class forest inventory materials, which serve as important graphical materials in forestry production and provide scientific basis for decision-making of Grain for Green Project management departments.

搜集汇总

背景与挑战

背景概述

该数据集记录了四川省1999年退耕还林(草)核查面积按坡度和林种的详细统计信息，包括上报面积、核实面积、合格面积、待补植面积、失败面积和损失面积等分类数据。这些数据来源于二类调查资料，为林业科学研究和森林资源管理提供关键依据，涵盖森林类型空间分布、面积大小及行政区划等内容。