西南土石山区小流域水土保持生态修复监测研究

以具有西南土石山区典型特点的重庆市璧山县为例,通过野外全面调查、样方调查和室内测试分析,结合遥感(RS)、地理信息系统(GIS)、专家系统(ES)等现代科学技术,对重庆市璧山小流域进行了生态修复监测研究。经过3年不同生态修复措施的研究,结果显示,小流域内植被覆盖度提高、植物种类增多,数量增加,泥沙量和径流量减少、水土流失减轻,修复效果明显。同时,通过对影响生态修复成效的主要因子生态修复措施、修复年限、人口环境容量的研究,得出结论:在璧山小流域最适合的生态修复措施是近自然式生态修复,修复年限越长、人口环境容量越小,修复成效越明显。

Study on Ecological Restoration in Soil and Water Conservation and Monitor in Southwest Soil Stone Mountain Area

Regard having Bishan county of Chongqing of the typical characteristic of mountain area of southwest soil and stone as the example, investigate in an all-round way through the field, one kind of square investigations and testing analysing, combine such modern science and technology as remote sensing (RS), the geographical information system (GIS), expert system (ES), etc. in the room, city Bishan little basin go on ecology is it study to monitor to repair to Chongqing. Not repairing the research of the measure with the ecology through 3 years, the result shows, the vegetation is covered with degree improves, the plant kind increases in the small basin, the quantity increases, the silt amount and flow of foot-path reduce, soil erosion lightens, it is obvious to repair the result. Meanwhile, through to influence ecology repair main factor ecology of effect repair measure, repair service life, population environmental research of capacity, the most suitable ecological repair measure in small basin is that the near naturally type ecology is repaired that we draw in Bishan, repair service life long, population environmental little capacity, repair effect to be the more obvious.