干旱区塔额盆地绿洲土地生态脆弱性时空演变及驱动因素——以新疆塔城市为例

doi:10.14088/j.cnki.issn0439-8114.2025.02.007

摘要/Abstract

摘要： 以新疆塔城市为例,基于景观生态脆弱性评价方法与地理加权回归模型研究土地生态脆弱区的时空演变特征及驱动因素。结果表明,2010—2020年塔城市低脆弱区和较低脆弱区面积占比减少4.21个百分点,中度脆弱区和高脆弱区面积占比增加4.45个百分点,较高脆弱区面积先增加后减少,整体减少0.24个百分点;2010—2020年塔城市土地生态脆弱度空间变化包括5种趋势,分别为低脆弱区转变为较低脆弱区、较低脆弱区转变为中度脆弱区、中度脆弱区转变为较高脆弱区、较高脆弱区转变为高脆弱区、较高脆弱区转变为中度脆弱区;到主要道路距离、到城市建成区距离、人口密度、到水域距离、植被覆盖度和高程6项指标与土地生态脆弱性显著相关,到主要道路距离与土地生态脆弱性呈正相关,到水域距离、植被覆盖度、人口密度与生态脆弱性呈负相关,到城市建成区距离、高程与土地生态脆弱性的相关性有正有负。

关键词: 土地生态脆弱性, 干旱区, 绿洲, 时空演变, 驱动因素, 塔额盆地, 新疆塔城市

Abstract: Taking Tacheng City of Xinjiang as an example, the spatio-temporal evolution characteristics and driving factors of land ecological fragile areas were studied based on the landscape ecological vulnerability assessment method and geographically weighted regression model. The results showed that, from 2010 to 2020, the proportion of low vulnerability areas and relatively low vulnerability areas in Tacheng City decreased by 4.21 percentage points, the proportion of moderate vulnerability area and high vulnerability area increased by 4.45 percentage points, and the area of relatively high vulnerability areas increased first and then decreased, with an overall decrease of 0.24 percentage points. The spatial variation of land ecological vulnerability in Tacheng City from 2010 to 2020 included five trends, namely, the low vulnerability areas were mainly transformed into relatively low vulnerability areas, the relatively low vulnerability areas were transformed into moderate vulnerability areas, the moderate vulnerable areas were transformed into relatively high vulnerable areas, the relatively high vulnerable areas were transformed into the high vulnerable areas, and the relatively high vulnerable areas were transformed into moderate vulnerable areas. The six indexes of the distance from the main road, the distance from the urban built-up area, the population density, the distance from the water area, the vegetation coverage and the elevation were significantly correlated with the land ecological vulnerability. The distance from the main road was positively correlated with land ecological vulnerability. The distance from the water area, the vegetation coverage and the population density were negatively correlated with vulnerability. The distance from the urban built-up area and elevation were positively or negatively correlated with land ecological vulnerability.

Key words: land ecological vulnerability, arid areas, oasis, spatio-temporal evolution, driving factors, Ta’e Basin, Tacheng City, Xinjiang

中图分类号:

X826
F301.2

史可珍, 刘志有. 干旱区塔额盆地绿洲土地生态脆弱性时空演变及驱动因素——以新疆塔城市为例[J]. 湖北农业科学, 2025, 64(2): 43-50.

SHI Ke-zhen, LIU Zhi-you. The spatio-temporal evolution and driving factors of land ecological vulnerability in oasis of Ta’e Basin in arid area： A case study of Tacheng City, Xinjiang[J]. HUBEI AGRICULTURAL SCIENCES, 2025, 64(2): 43-50.

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