热带农业工程2025，Vol.49Issue(5)：6-13,8.
人工梭梭林群落的生态位特征及其群落稳定性分析
Characterization of Ecological Niches in Artificial Haloxylon Ammodendron Communities and Analysis of Community Stability
摘要
Abstract
As the most critical component of the ecological protection systems in oasis-desert transition zones,Haloxylon ammodendron forests warrant investigation of their community stability to inform ecological corridor construction in the Shiyang River Basin.Through field surveys,we analyzed interspecific relationship using the VR method,χ2 test and M.Godron.Stability assessment.Results revealed:(1)15 plant species in quadrats,with H.ammodendron exhibiting the largest niche breadth;(2)overall negative correlations within the community;(3)strong species independence via χ2 testing;(4)weak interspecific connectivity evidenced by only 10 species pairs with AC values≥0.67,and 3 pairs with PCC values≥0.5;(5)M.Godron analysis showing an intersection point(33.33,67.11)distant from the stability coordinate,indicating dynamic developmental stages.These findings demonstrate instability in Minqin's transition-zone vegetation,necessitating enhanced cultivation of artificial H.ammodendron stands and restoration of degraded forests.关键词
民勤/荒漠过渡带/梭梭/生态位/种间联结Key words
Minqin/desert transition zone/Haloxylon ammodendron/ecological niche/interspecific association分类
农业科技引用本文复制引用
段晓峰,马全林,魏林源,马瑞,张裕年..人工梭梭林群落的生态位特征及其群落稳定性分析[J].热带农业工程,2025,49(5):6-13,8.基金项目
国家自然科学基金(No.32160410,No.32060246),甘肃省科学基金(No.21JR7RA733),"西部之光"人才计划项目(No.22JR9KA028). （No.32160410,No.32060246）
