秋茄替代互花米草对乐清湾大型底栖动物群落结构与稳定性的影响

doi:10.13292/j.1000-4890.202609.001

生态学杂志 ›› 2026, Vol. 45 ›› Issue (9): 2875-2883.doi: 10.13292/j.1000-4890.202609.001

• ·红树林湿地生态学专栏·（专栏组织专家：曹文志、王文卿、宋长春） • 上一篇下一篇

秋茄替代互花米草对乐清湾大型底栖动物群落结构与稳定性的影响

辛文镇^1,2,刘星¹,杨升¹,王航俊³,刘双双¹,陆心童¹,陈秋夏^1*

（¹浙江省亚热带作物研究所，浙江温州 325005； ²北京林业大学林学院，北京 100080； ³自然资源部温州海洋中心，浙江温州 325000）

出版日期:2026-09-10 发布日期:2026-09-07

Effects of replacing Spartina alterniflora by Kandelia obovata on the structure and stability of macrobenthic communities in Yueqing Bay.

XIN Wenzhen^1,2, LIU Xing¹, YANG Sheng¹, WANG Hangjun³, LIU Shuangshuang¹, LU Xintong¹, CHEN Qiuxia^1*

(¹Zhejiang Academy of Subtropical Crops, Wenzhou 325005, Zhejiang, China; ²College of Forestry, Beijing Forestry University, Beijing 100080, China; ³Wenzhou Marine Center, Ministry of Natural Resources of the People’s Republic of China, Wenzhou 325000, Zhejiang, China).

Online:2026-09-10 Published:2026-09-07

摘要/Abstract

摘要： 为评估红树植物秋茄（Kandelia obovata）替代入侵物种互花米草（Spartina alterniflora）对滨海湿地生态系统的修复成效，本研究于2021年（修复前）与2022年（修复后）夏季，对乐清湾原生红树林区、互花米草修复区及光滩区的大型底栖动物群落结构、功能特征及其与环境因子的关系进行了调查。结果表明：（1）共鉴定大型底栖动物36种，隶属5门22科，软体动物占物种总数的61.11%。（2）互花米草修复区物种数与多样性指标呈上升趋势，但仍低于原生红树林区，表明群落处于恢复早期阶段。（3）ABC曲线显示修复区两年丰度生物量格局变化较小，稳定性短期内维持平衡；光滩区生物量较高（80.60 g·m^-2），但稳定性较低。（4）沉积物重金属（Zn、Cu）及间隙水无机氮构成的复合胁迫显著限制群落多样性恢复（Mantel检验，P<0.05）。研究表明，秋茄替代互花米草促进底栖动物群落向恢复方向演替，但需结合污染控制与长期监测实现稳定而可持续的生态修复目标。

关键词: 红树林, 大型底栖动物, 群落稳定性, 植物替代

Abstract: An investigation was conducted in the summer of 2021 (pre-restoration) and summer 2022 (post-restoration) to evaluate the restoration effectiveness of replacing the invasive Spartina alterniflora with mangrove Kandelia obovata in a coastal wetland in Yueqing Bay. We compared macrobenthic community structure, diversity, stability, and their relationships with environmental variables among three habitat types: native mangroves, the S. alterniflora removal area, and bare mudflat. The results showed that: (1) A total of 36 macrobenthic species belonging to 5 phyla and 22 families were identified, with Mollusca accounting for 61.11% of the total number of species; (2) Following restoration, species richness and diversity indices in the S. alterniflora removal area increased, but remained lower than those in the native mangrove habitat, indicating that the community was still at an early stage of recovery; (3) Abundance-biomass comparison (ABC) curves showed only minor interannual changes in the abundance-biomass pattern in the S. alterniflora removal area, suggesting relatively balanced short-term community stability, whereas the bare mudflat exhibited high biomass (80.60 g·m^-2) but low stability; and (4) Combined stress from sediment heavy metals (Zn and Cu) and inorganic nitrogen in porewater significantly constrained community diversity (Mantel test, P<0.05). Overall, the replacement of S. alterniflora with K. obovata promoted the recovery of macrobenthic communities. However, stable and sustainable restoration outcomes will require effective pollution control and long-term monitoring.

Key words: mangrove, macrobenthos, community stability, plant replacement

辛文镇, 刘星, 杨升, 王航俊, 刘双双, 陆心童, 陈秋夏. 秋茄替代互花米草对乐清湾大型底栖动物群落结构与稳定性的影响[J]. 生态学杂志, 2026, 45(9): 2875-2883.

XIN Wenzhen, LIU Xing, YANG Sheng, WANG Hangjun, LIU Shuangshuang, LU Xintong, CHEN Qiuxia. Effects of replacing Spartina alterniflora by Kandelia obovata on the structure and stability of macrobenthic communities in Yueqing Bay.[J]. Chinese Journal of Ecology, 2026, 45(9): 2875-2883.

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秋茄替代互花米草对乐清湾大型底栖动物群落结构与稳定性的影响

Effects of replacing Spartina alterniflora by Kandelia obovata on the structure and stability of macrobenthic communities in Yueqing Bay.

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