塔克拉玛干沙漠南缘生态环境的特点及治理问题

CHARACTERISTIC ECOENVIRONMENT IN THE SOUTH FRINGE OF TAKELAMAGAN DESERT AND MANAGEMENT

本文根据实地考察，概述了新疆维吾尔自治区南部的塔克拉玛干沙漠南缘生态环境问题。塔克拉玛干沙漠属极旱荒漠地区，生态环境十分严酷，干旱和风沙为害是最主要的生态环境问题。防止和减少有害物质侵入人工绿洲，关键是有效地保护和恢复绿洲及其外围的植被，进一步加强防沙生物工程的建设。

The paper,based on the field investigation,foces on the extremely arid desert area inthe south fringe of the Takelamagan Desert. In this area ,the ecological environment is veryrigorous for living things,and aridness and wind and sarid are main threats.The keymeasure preventing harmful matters from oases is protecting and restoring the vegetationoutside oases and strengthening biological control.