襄阳市耕地后备资源开发时序与生态损益评估

发布时间：2018-03-05 05:32

本文选题：耕地后备资源　切入点：宜耕性评价　出处：《地理空间信息》2016年11期 　论文类型：期刊论文

【摘要】：在未利用地和工矿废弃地宜耕性评价的基础上,探讨了襄阳市耕地后备资源开发时序和生态损益。结果表明:1襄阳市宜耕性面积为30 074.26 hm2,包括荒草地、滩涂、沙地和工矿废弃地等;2襄阳市耕地后备资源开发时序为:先开发(23.62%)较先开发(65.30%)较后开发(7.91%)后开发(3.17%),各县(区)开发时序依次为宜城市、枣阳市、襄州区、谷城县、老河口、南漳县、襄城区、樊城区和保康县;3耕地后备资源开发前后生态服务总值由6.42亿元降为1.91亿元,食物生产和原材料生产价值分别增加0.21亿元和0.01亿元,气候调节和废物处理价值呈现"落势",分别减少1.37亿元和1.27亿元。
[Abstract]:Based on the evaluation of the suitability for cultivated land in unused land and industrial and mining wasteland, the development time series and ecological profit and loss of cultivated land reserve resources in Xiangyang city were discussed. The results showed that the suitable tillage area of Xiangyang city was 30 074.26 hm2, including barren grassland and tidal flat. The sequence of development of cultivated land reserve resources in Xiangyang city, such as sand land and industrial and mining wasteland, is as follows: first to develop 23. 62%) than to develop first, 65.30)) to develop 7. 91%) then to develop 3. 17%). The sequence of development of counties (districts) is Yicheng, Zaoyang, Xiangzhou, Gucheng, Laohekou, etc, and the sequence of each county (district) is Yicheng, Zaoyang, Xiangzhou, Gucheng, Laohekou, etc. The total value of ecological services for cultivated land reserve resources in Nanzhang County, Xiangcheng District, Fancheng District and Baokang County decreased from 642 million yuan to 191 million yuan before and after development, and the value of food production and raw material production increased by 21 million yuan and 1 million yuan respectively. The value of climate regulation and waste treatment was reduced by 137 million yuan and 127 million yuan respectively.
【作者单位】：十堰市土地勘测规划院;湖北省国土资源研究院;
【分类号】：F323.211

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