黄土高原沟壑区环境与牧草适宜性的调查分析

The investigation and analysis of the environment in Gullious areas of the Loess Plateau and the suitability of pastures

2003年6—7月,对黄土高原地区甘肃庆阳宁县瓦斜乡东风沟内的天然植被进行了种类和盖度的调查。结合调查数据,根据草地资源调查规划学原理对生态系统健康状况与草地退化程度进行了评价,提出该区退化草地生态系统培育与恢复、退耕还草区域环境改良的建议。查询“中国草业开发专家系统”后,根据该软件中“牧草栽培”与“草原综合顺序分类”模块提供的专家建议,比较实验数据,做出牧草适宜性分析。

During June and July 2003, the natural vegetation was studied in Dongfeng gully of Waxie township, Ning Xian county, Gansu province, on the Loess Plateau. With integrated data investigation, the healthiness of the ecosystem and the degeneration degree of the grassland was estimated based on the theory of grassland resource investigation and programming. Then recommendations on improvement and restoration of this degenerated ecosystem and the recommendations on grassland reclamation from farmland to promote regional climate were made. With inquiry to Expert System of China grassland agriculture, which provide expert suggests by modules called Planting of Pasture and Synthesize Gradation of Grassland, and compared with experimental data the analyse of the suitability of pastures was given out.