塔克拉玛干沙漠腹地绿洲不同地下水埋深下多枝柽柳的叶功能性状

doi:10.13292/j.1000-4890.202605.012

生态学杂志 ›› 2026, Vol. 45 ›› Issue (5): 1435-1443.doi: 10.13292/j.1000-4890.202605.012

• ·克隆植物的适应策略与生态功能·（专栏组织专家：钱建强、雒文涛、武　晶） • 上一篇下一篇

塔克拉玛干沙漠腹地绿洲不同地下水埋深下多枝柽柳的叶功能性状

亢佳兵^1,2,3,戴岳^1,2,3*,安外尔·阿卜杜热伊木^2,3,4,张婷婷^1,2,3

（¹新疆大学地理与遥感科学学院，乌鲁木齐 830017； ²塔克拉玛干沙漠腹地绿洲过程新疆野外科学观测研究站，新疆于田 848400； ³绿洲生态教育部重点实验室，乌鲁木齐 830017； ⁴新疆大学生态与环境学院，乌鲁木齐 830017）

出版日期:2026-05-10 发布日期:2026-05-07

Leaf functional traits of Tamarix ramosissima under varying groundwater depths in an oasis of the Taklamakan Desert hinterland.

KANG Jiabing^1,2,3, DAI Yue^1,2,3*, Anwaier Abudureyimu^2,3,4, ZHANG Tingting^1,2,3

(¹College of Geography and Remote Sensing Sciences, Xinjiang University, Urumqi 830017, China; ²Xinjiang Field Scientific Observation and Research Station for the Oasisization Process in the Hinterland of the Taklamakan Desert, Yutian 848400, Xinjiang, China; ³Key Laboratory of Oasis Ecology, Urumqi 830017, China; ⁴College of Ecology and Environment, Xinjiang University, Urumqi 830017, China).

Online:2026-05-10 Published:2026-05-07

摘要/Abstract

摘要： 地下水位是影响荒漠植物生存的关键因素，但目前对荒漠植物如何通过调节叶片性状来适应地下水埋深变化的认识仍然不足。为了解塔克拉玛干沙漠腹地达理雅博依绿洲多枝柽柳（Tamarix ramosissima）如何适应地下水埋深变化，本研究分析了3个地下水埋深（1.0、3.4、5.0 m）下多枝柽柳的叶片碳稳定同位素（δ¹³C）、叶片含水量（LWC）、比叶面积（SLA）、有机碳（LOC）、全氮（LTN）、全磷（LTP）、非结构性碳水化合物（NSC）和土壤有机碳（SOC）、全氮（STN）、全磷（STP）含量，以探讨多枝柽柳叶功能性状对干旱荒漠环境的适应特征。结果表明：叶片δ¹³C值和LWC在不同地下水埋深条件下差异不显著。中地下水埋深下土壤pH值显著低于浅地下水埋深和深地下水埋深，浅地下水埋深下STN显著低于中地下水埋深。叶功能性状相关性分析显示，LTP与LTN呈极显著正相关。叶功能性状与土壤理化性质的相关性分析显示：LTN和LTP与土壤pH呈显著正相关，土壤含水量显著影响多枝柽柳叶片δ¹³C值、SLA、叶片可溶性糖含量（LSSC）和叶片糖淀比。研究发现，多枝柽柳主要通过调整SLA、LTN、LTP和LSSC响应地下水埋深变化，叶片性状与土壤水分、pH及土壤有机碳（SOC）和STN存在相关性，表明多枝柽柳在沙漠腹地环境中的适应受到土壤水分和养分的综合调控。该结果为深入理解荒漠植物的适应机制提供了科学数据和理论依据。

关键词: 塔克拉玛干沙漠, 地下水埋深, 叶功能性状, 土壤含水量

Abstract: Groundwater depth is a critical factor influencing plant survival in deserts. However, our understanding of how plants regulate leaf functional traits in response to variations in groundwater depth remains limited. We investigated leaf functional traits of Tamarix ramosissima at the Daliyaboyi oasis, located in the hinterland of the Taklamakan Desert. We analyzed stable carbon isotope composition (δ¹³C), leaf water content (LWC), specific leaf area (SLA), leaf organic carbon content (LOC), leaf total nitrogen content (LTN), leaf total phosphorus content (LTP), non-structural carbohydrate content (NSC), as well as soil organic carbon content (SOC), soil total nitrogen content (STN), soil total phosphorus content (STP) under three groundwater depths (1.0, 3.4, and 5.0 m). The aim was to explore how leaf functional traits of T. ramosissima vary within an arid desert environment. The results showed that the δ¹³C values and LWC showed no differences across varying groundwater depths. Soil pH values were significantly lower at medium groundwater depth compared to both shallow and deep groundwater depths, while STN was notably lower at shallow groundwater depth than at medium depth. There was a significant positive relationship between LTP and LTN. Furthermore, both LTN and LTP were positively correlated with soil pH. Additionally, soil water content had a significant effect on δ¹³C, SLA, leaf soluble sugar (LSSC), and the ratio of LSSC to leaf starch. Our results indicate that T. ramosissima responds to variations in groundwater depth by adjusting SLA, LTN, LTP, and LSSC. Leaf traits are correlated with soil water content, pH levels, soil organic carbon (SOC), and STN, suggesting that the adaptation of T. ramosissima to the desert hinterland environment is comprehensively influenced by soil water and nutrient availability. These findings provide scientific data and a theoretical foundation for a deeper understanding of the adaptive mechanisms employed by desert plants.

Key words: Taklamakan Desert, groundwater depth, leaf functional trait, soil water content

亢佳兵, 戴岳, 安外尔·阿卜杜热伊木, 张婷婷. 塔克拉玛干沙漠腹地绿洲不同地下水埋深下多枝柽柳的叶功能性状[J]. 生态学杂志, 2026, 45(5): 1435-1443.

KANG Jiabing, DAI Yue, Anwaier Abudureyimu, ZHANG Tingting. Leaf functional traits of Tamarix ramosissima under varying groundwater depths in an oasis of the Taklamakan Desert hinterland.[J]. Chinese Journal of Ecology, 2026, 45(5): 1435-1443.

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塔克拉玛干沙漠腹地绿洲不同地下水埋深下多枝柽柳的叶功能性状

Leaf functional traits of Tamarix ramosissima under varying groundwater depths in an oasis of the Taklamakan Desert hinterland.

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