[1]王丹,许荟,徐宇,等.不同种养模式稻田水体中浮游生物群落变化[J].江苏农业学报,2025,(04):733-743.[doi:doi:10.3969/j.issn.1000-4440.2025.04.012]
　WANG Dan,XU Hui,XU Yu,et al.Changes of plankton communities in paddy water under different rice-crayfish farming systems[J].,2025,(04):733-743.[doi:doi:10.3969/j.issn.1000-4440.2025.04.012]
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不同种养模式稻田水体中浮游生物群落变化()
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江苏农业学报[ISSN:1006-6977/CN:61-1281/TN]

卷:
期数:
2025年04期
页码:
733-743
栏目:
畜牧兽医·水产养殖·益虫饲养
出版日期:
2025-04-30

文章信息/Info

Title:
Changes of plankton communities in paddy water under different rice-crayfish farming systems
作者:
王丹1; 2; 3; 许荟2; 3; 徐宇2; 3; 张婷1; 2; 3; 高迎莉1; 3; 李旭光2; 3; 许志强2; 3
(1.江苏海洋大学海洋科学与水产学院,江苏连云港222005；2.江苏省淡水水产研究所,江苏南京210017；3.农业农村部淡水虾蟹遗传育种与养殖重点实验室,江苏南京210017)
Author(s):
WANG Dan1; 2; 3; XU Hui2; 3; XU Yu2; 3; ZHANG Ting1; 2; 3; GAO Yingli1; 3; LI Xuguang2; 3; XU Zhiqiang2; 3
(1.School of Marine Science and Fisheries, Jiangsu Ocean University, Lianyungang 222005, China；2.Freshwater Fisheries Research Institute of Jiangsu Province, Nanjing 210017, China；3.Key Laboratory of Genetic Breeding and Cultivation for Freshwater Crustacean, Ministry of Agriculture and Rural Affairs, Nanjing 210017, China)
关键词:
克氏原螯虾; 稻虾种养; 浮游生物
Keywords:
Procambarus clarkii; rice-crayfish co-cultivation; plankton
分类号:
S966.12
DOI:
doi:10.3969/j.issn.1000-4440.2025.04.012
文献标志码:
A
摘要:
为了解稻麦轮作(RW)、稻虾轮作(RC1)和稻虾共作(RC2)等模式稻田水体中浮游生物群落结构的差异,本研究针对不同种养模式稻田水体中浮游生物群落组成、密度及多样性指数的变化情况,探讨了不同种养模式与稻田水体理化因子及水体中浮游生物群落变化之间的关系。结果表明,稻麦轮作模式在灌浆期总氮(TN)含量显著高于稻虾轮作模式和稻虾共作模式(P<0.05)。3种模式水体中浮游生物群落组成相似,浮游动物优势种以轮虫为主,浮游植物优势种以绿藻门浮游植物和硅藻门浮游植物为主。灌浆期稻麦轮作模式水体中的枝角类、桡足类浮游动物密度显著低于稻虾轮作模式和稻虾共作模式；水体中绿藻门、蓝藻门、裸藻门和硅藻门浮游植物平均密度也显著低于稻虾轮作模式和稻虾共作模式。分蘖期稻虾共作模式水体中浮游植物多样性指数和均匀度指数均显著高于稻虾轮作模式(P<0.05)；灌浆期稻虾轮作模式和稻虾共作模式水体中浮游植物多样性指数和丰富度指数显著高于稻麦轮作模式(P<0.05)。冗余分析(RDA)结果表明,水体亚硝酸盐氮(NO-2-N)、氨氮（NH3-N）、硝酸盐氮（NO-3-N）、总氮（TN）、总磷(TP)是对浮游生物影响大的环境因子。总体而言,稻虾种养模式水体质量更好,水体中浮游生物多样性和丰富度更高。
Abstract:
To reveal the differences in the plankton community structure in paddy field water under three cultivation modes, including rice-wheat rotation (RW), rice-crayfish rotation (RC1), and rice-crayfish co-cultivation (RC2), we investigated the changes in the composition, density, and diversity index of plankton communities in paddy water. Additionally, we explored the relationships between different cultivation modes and the changes of physicochemical factors of paddy water and the plankton communities. The results showed that the total nitrogen (TN) content in RW mode was significantly higher than that in RC1 mode and RC2 mode (P<0.05). The composition of phytoplankton community in paddy water under the three modes was similar. The dominant species of zooplankton were mainly rotifers, and the dominant species of phytoplankton were mainly Chlorophyta phytoplankton and Bacillariophyta phytoplankton. During the grain-filling stage, the density of cladocerans and copepods in paddy water under RW mode was significantly lower than that under RC1 mode and RC2 mode. The average density of phytoplankton in Chlorophyta, Cyanophyta, Euglenophyta and Bacillariophyta in water was also significantly lower than that under RC1 mode and RC2 mode. During the tillering stage, the phytoplankton diversity index and evenness index in paddy water under RC2 mode were significantly higher than those under RC1 mode (P<0.05). During the grain-filling stage, the phytoplankton diversity index and richness index in paddy water under both the RC1 mode and RC2 mode were significantly higher than those under the RW mode (P<0.05). The results of redundancy analysis (RDA) demonstrated that nitrite nitrogen (NO-2-N), ammonia nitrogen (NH3-N), nitrate nitrogen (NO-3-N), total nitrogen (TN), and total phosphorus (TP) were key environmental factors significantly affecting plankton communities in water. In general, the rice-crayfish co-cultivation mode exhibits superior water quality and higher plankton diversity and richness.

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备注/Memo

备注/Memo:
收稿日期：2024-08-27基金项目：不同稻虾综合种养模式下的稻田生态系统健康评价项目[CX(23)3007]；江苏现代农业(克氏原螯虾)产业技术体系种质创新与苗种繁育创新团队项目[JATS(2023)372];江苏省种业振兴“揭榜挂帅”项目[JBGS(2021)119]作者简介：王丹(1999-),女,江苏大丰人,硕士研究生,主要从事水产养殖生态学研究。(E-mail)w629810@163.com通讯作者：许志强,(E-mail)sfdjslka@163.com
更新日期/Last Update: 2025-05-26