塔里木河中下游河流廊道景观生态功能分区研究

On the Ecological Functional Divisions of the River Corridor in the Middle and Lower Reaches of the Tarim River

以塔里木河中下游河流廊道为对象,应用景观生态学的原理与方法,探讨生态功能区划系统以及具体的划分问题,提出相应的区划原则并针对不同等级功能区划分标准,定性划分了3大景观生态功能类型区,对其特征进行了分析,并提出了相应的生态恢复对策。

The study area （38°47＇52＂-41°38＇30＂N, 85°33＇38＂--88°40＇30＂） means the traditional green corridor from the Qara Reservoir in Yuli County to the Taitema Lake in Ruoqiang County in the lower reaches of the Tarim River, Xinjiang, and its length, width and area are 413 km, 87 km and 34 526 km^2 respectively. It covers the fluvial plain and delta plain in the lower reaches of the Tarim River, partial fluvial plain of the Kongque River and fluvial plain of the Qarqan River, and the Taklimakan Desert and Kuruk Desert are located on its south. In the corridor, the Gobi, fluvial and aeolian landforms are distributed, it belongs to warm- temperate arid desert climate, precipitation occurs infrequently, but strong winds, dust storms and floating dust weathers occur frequently in spring. The zonal soil is brown desert soil, the area of solonchak is large, and meadow soil and aeolian soil are distributed in some regions. Desert vegetation is dominant, and the riparian forests of Populus euphratiea, lowland meadows and shrubberies are also distributed. The middle and lower reaches of the Tarim River are currently one of the important areas of ecological regeneration in the arid regions in west China. In this paper, some issues about the ecological functional divisions are researched using the theory and methods of applied landscape ecology, and the corresponding division principles are put forward. On which the river corridor in the middle and lower reaches of the Tarim River is divided into three main landscape eeologi cal functional zones, the features of the zones are analyzed, and some measures are put forward for the cal protection in the middle and lower reaches of the Tarim River.