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1·Plant trees and grasses, and protective froest, form new agr-ecosystem.

④种树种草，营造农田防护林，建立新的农业生态系统。

2·The paper reports 9 species, 5 varieties of the Scenedesw plants in Urumqi, Miquan, Nanshan's Bayi froest, Manasi. of all them, 8 species, 5 varieties are new records in Xinjiang.

本文再次报道来自新疆乌鲁木齐、米泉、南山八一林场、玛纳斯的珊藻属植物9种5变种，其中8种5变种是新疆新记录。

3·A quantitative evaluation of beneficial result in conserving water and protecting soil erosion of froest in the upper stream of Miyun reservoir is produced from the information system.

利用该系统对密云水库上游密云县境内水源保护林的水源涵养与防止土壤侵蚀效益进行了定量评价。