三峡水库支流浮游植物演替内外驱动力辨析

doi:10.14088/j.cnki.issn0439-8114.2022.13.005

湖北农业科学 ›› 2022, Vol. 61 ›› Issue (13): 24-30.doi: 10.14088/j.cnki.issn0439-8114.2022.13.005

三峡水库支流浮游植物演替内外驱动力辨析

陈佳俊, 张佳磊

湖北工业大学土木建筑与环境学院/河湖生态修复与藻类利用湖北省重点实验室,武汉 430068

收稿日期:2021-05-08 出版日期:2022-07-10 发布日期:2022-08-10
通讯作者: 张佳磊（1983-）,女,湖北荆门人,副教授,主要从事生态水利学方向研究,（电话）18680949315（电子信箱）zhangjialei2015@sina.com。
作者简介:陈佳俊（1996-）,男,江西上饶人,硕士,主要从事生态水利学研究,（电话）15927622147（电子信箱）1326042694@qq.com
基金资助:
国家水体污染控制与治理科技重大专项（2017ZX07101003-008）

Discriminate on the internal and external driving force of phytoplankton succession in the Three Gorges Reservoir tributaries

CHEN Jia-jun, ZHANG Jia-lei

School of Civil Engineering, Architechure and Environment, Hubei University of Technology/Key Laboratory of Ecological Remediation of Lakes and Rivers and Algal Utilization of Hubei Province, Wuhan 430068, China

Received:2021-05-08 Online:2022-07-10 Published:2022-08-10

摘要/Abstract

摘要： 为辨析三峡水库支流浮游植物演替的内外驱动力,以趋同性、趋异性理论为基础,在外界条件恒定和营养盐充足的情况下,通过光照和温度单一条件室内控制试验,分析其浮游植物的生物量和多样性变化。结果表明,光照组和温度组环境条件下的浮游植物群落演替更为明显,同一生境下浮游植物群落种类相似性指数达到中等以上,其多样性指数的总体变化趋势一致,无显著差异（P>0.05）;不同生境间,浮游植物群落种类相似性为中等不相似,其多样性指数具有显著差异（P<0.05）,符合趋同性理论。对照组的环境因子对浮游植物群落演替影响不明显,其优势种呈现出差异,符合趋异性理论。

关键词: 三峡水库, 浮游植物, 演替规律, 趋同性理论, 趋异性理论

Abstract: In order to analyze the internal and external driving forces of phytoplankton succession in the tributary of the Three Gorges Reservoir, based on the theory of convergence and divergence, under the condition of constant external conditions and sufficient nutrient content, the biomass and diversity of phytoplankton were analyzed by indoor control experiment under light and temperature under single condition. The results showed that phytoplankton community succession was more obvious under the environmental conditions of light and temperature groups. The similarity index of the phytoplankton community species in the same habitat was above medium, and the overall variation trend of the species diversity index was consistent, without signiticant difference（P>0.05）. The similarity of the phytoplankton community species among different habitats was moderate, and the diversity index had a significant difference（P<0.05）, which accorded with the theory of convergence. The environmental factors of the control group had no obvious effect on the succession of the phytoplankton community, and the dominant species showed the difference, which accorded with the theory of divergence.

Key words: Three Gorges Reservoir, phytoplankton, succession discipline, convergence theory, divergence theory

中图分类号:

X824

陈佳俊, 张佳磊. 三峡水库支流浮游植物演替内外驱动力辨析[J]. 湖北农业科学, 2022, 61(13): 24-30.

CHEN Jia-jun, ZHANG Jia-lei. Discriminate on the internal and external driving force of phytoplankton succession in the Three Gorges Reservoir tributaries[J]. HUBEI AGRICULTURAL SCIENCES, 2022, 61(13): 24-30.

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三峡水库支流浮游植物演替内外驱动力辨析

Discriminate on the internal and external driving force of phytoplankton succession in the Three Gorges Reservoir tributaries

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