仁怀市河流浮游植物功能群的时空演变、驱动因子与健康评价

doi:10.13292/j.1000-4890.202610.005

生态学杂志 ›› 2026, Vol. 45 ›› Issue (10): 3419-3428.doi: 10.13292/j.1000-4890.202610.005

仁怀市河流浮游植物功能群的时空演变、驱动因子与健康评价

周岳兵¹，居涛²，何浩宇¹，张书海¹，龙茂源¹，刘济源¹，丁献桃¹，甘雷¹，王桢璐¹，安苗¹，董响红^1*

（¹贵州大学动物科学学院，贵阳 550025； ²广西科学院，广西海洋科学院，南宁 530007）

出版日期:2026-10-10 发布日期:2027-04-12

Spatiotemporal variation and driving factors of phytoplankton functional groups in Renhuai City’s rivers and their health condition assessment.

ZHOU Yuebing¹, JU Tao², HE Haoyu¹, ZHANG Shuhai¹, LONG Maoyuan¹, LIU Jiyuan¹, DING Xiantao¹, GAN Lei¹, WANG Zhenlu¹, AN Miao¹, DONG Xianghong^1*

(¹College of Animal Science, Guizhou University, Guiyang 550025, China; ²Guangxi Academy of Marine Sciences, Guangxi Academy of Sciences, Nanning 530007, China).

Online:2026-10-10 Published:2027-04-12

摘要/Abstract

摘要： 仁怀市是长江上游珍稀特有鱼类国家级自然保护区赤水河的流经区域，还是中国酱香型白酒的核心产区。对其境内河流的健康状况的了解，有利于该地区水生生物资源养护与社会经济可持续发展。本研究于2023年对该市所属9条河流28个样点的浮游植物和环境变量进行了周年季度调查，并以有关类群作为指示生物对这些河流开展健康评价。结果表明：（1）仁怀市主要河流中共有浮游植物7门52属96种，划归至23个功能群（10个属于优势类群）；（2）在功能群组成上，功能群的季节演替趋势为S2/W1/Y（春季）→G/L-O-/W1/Y（夏季）→S2/W1/Y（秋季）→S2（冬季），冬季与夏季、赤水河干流与支流之间差异明显，且pH、未注释土地利用类型（Uncla）、总溶解性固体（TDS）以及空间因子（PCNM1、PCNM3、PCNM9、PCNM10）共同驱动了这一生态过程；（3）虽然Q_r指数表明这些河流整体处于“一般亚健康”状态，但浮游植物生物完整性指数（PhytoplanktonIntegrated Biotic Index, P-IBI）指示整体达到“亚健康-健康”水平。本研究可为长江大保护的推进提供基础数据和科技支撑。

关键词: 赤水河流域, 仁怀市, 浮游植物, 功能群, 河流健康评价

Abstract: Renhuai City lies within the Chishui River Basin, a national-level nature reserve for rare and endemic fish species in the upper reaches of the Yangtze River. Moreover, it is the core production area for Maotai-flavor spirits in China. Understanding the health status of the rivers is conducive to the conservation of aquatic biological resources and the sustainable development of the society and economy in this area. We conducted a quarterly investigation of phytoplankton and environmental variables at 28 sampling sites along nine rivers in 2023. The relevant taxa were used as indicator organisms to evaluate the health status of these rivers. The results showed that: (1) A total of 96 species belonging to 52 genera and 7 phyla of phytoplankton were identified, which could be classified into 23 functional groups, among which 10 were dominant groups. (2) The seasonal succession tendency of functional groups was: S2/W1/Y (spring) → G/L-O-/W1/Y (summer) → S2/W1/Y (autumn) → S2 (winter). There were significant differences in the functional group composition between winter and summer as well as between the main stream of the Chishui River and its tributaries. Water pH, unclassified land use type (Uncla), total dissolved solids (TDS), and spatial factors (PCNM1, PCNM3, PCNM9, PCNM10) were the main environmental factors driving this ecological process. (3) Although the Q_r index (an ecological index based on functional groups) indicated that these rivers as a whole were in a “general-sub-healthy” state, the P-IBI (phytoplankton-integrated biotic index) indicated a “sub-healthy-healthy” level. This study can provide basic data and technological support for the advancement of the Yangtze River comprehensive protection.

Key words:

Chishui River basin, Renhuai City, phytoplankton, functional group, river health assessment

周岳兵, 居涛, 何浩宇, 张书海, 龙茂源, 刘济源, 丁献桃, 甘雷, 王桢璐, 安苗, 董响红. 仁怀市河流浮游植物功能群的时空演变、驱动因子与健康评价[J]. 生态学杂志, 2026, 45(10): 3419-3428.

ZHOU Yuebing, JU Tao, HE Haoyu, ZHANG Shuhai, LONG Maoyuan, LIU Jiyuan, DING Xiantao, GAN Lei, WANG Zhenlu, AN Miao, DONG Xianghong. Spatiotemporal variation and driving factors of phytoplankton functional groups in Renhuai City’s rivers and their health condition assessment.[J]. Chinese Journal of Ecology, 2026, 45(10): 3419-3428.

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仁怀市河流浮游植物功能群的时空演变、驱动因子与健康评价

Spatiotemporal variation and driving factors of phytoplankton functional groups in Renhuai City’s rivers and their health condition assessment.

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