湖北农业科学 ›› 2023, Vol. 62 ›› Issue (7): 101-106.doi: 10.14088/j.cnki.issn0439-8114.2023.07.018

• 水产科学 • 上一篇    下一篇

稻虾综合种养田浮游生物群落组成及其动态变化分析

宋光同1, 王芬1, 蒋业林1, 陈祝1, 徐笑娜1, 麻嘉浩2, 周翔1, 王佳佳1, 徐彬1, 朱士明3   

  1. 1.安徽省农业科学院水产研究所/水产增养殖安徽省重点实验室,合肥 230031;
    2.安徽熙岸现代农业服务有限公司,安徽 太湖 246400;
    3.合肥市润枝生态农业有限公司,安徽 肥东 231602
  • 收稿日期:2022-03-15 出版日期:2023-07-25 发布日期:2023-08-15
  • 通讯作者: 蒋业林(1963-),男,研究员,主要从事特种水产养殖工作,(电子信箱)241468869@qq.com。
  • 作者简介:宋光同(1979-),男,安徽肥东人,副研究员,硕士,主要从事虾类健康养殖工作,(电话)15155117515(电子信箱)sgt7902@126.com。
  • 基金资助:
    安徽省重点研究与开发计划项目(201904a06020032); 安徽省水产产业技术体系项目(皖农科[2016]84号); 合肥市关键共性技术研发项目(2021GJ074)

Analysis of plankton community composition and its dynamic change in rice-crayfish field

SONG Guang-tong1, WANG Fen1, JIANG Ye-lin1, CHEN Zhu1, XU Xiao-na1, MA Jia-hao2, ZHOU Xiang1, WANG Jia-jia1, XU Bin1, ZHU Shi-ming3   

  1. 1. Fisheries Research Institute of Anhui Academy of Agricultural Sciences/Key Laboratory of Aquaculture and Stock Enhancement for Anhui Province, Hefei 230031, China;
    2 Anhui Xi'an Modern Agricultural Service Co., Ltd., Taihu 246400, Anhui, China;
    3. Hefei Runzhi Ecological Agriculture Co., Ltd., Feidong 231602, Anhui, China
  • Received:2022-03-15 Online:2023-07-25 Published:2023-08-15

摘要: 为探究稻虾综合种养田浮游生物群落组成及其周年动态变化特征,定期采集浮游生物样本,检测并分析了浮游生物群落结构、多样性、种类和数量变化。结果表明,①虾沟共检出浮游植物7门125种,显著高于田面;虾沟共检出浮游动物4类57种,与田面差异不显著;绿藻门和原生动物种类数占绝对优势。②虾沟浮游植物的多样性指数、丰富度指数、均匀度指数年均值分别为1.944、2.435和0.540;其中多样性指数12月最低,9月最高;虾沟和田面多样性指数差异不显著。虾沟浮游动物多样性指数、丰富度指数、均匀度指数年均值分别为1.726、1.865、0.654,其中多样性指数4月最低,8月最高。③10月至翌年3—4月单生卵囊藻均为优势种,5—9月普通黄丝藻均为优势种,6—10月四尾栅藻均为优势种。12月和2月优势种为桡足幼体,田面3月和4月无节幼体均为优势种,虾沟4月浮游动物优势种为拟铃壳虫,5—8月池沼多核变形虫均为优势种,9—11月近亲裸腹溞均为优势种。④稻虾种养生态系统虾沟浮游植物年均密度为1 403 858 ind /L,其中3月密度最大,2月最小;年均生物量为0.155 37 mg/L,其中5月生物量最大,10月最小;虾沟浮游植物生物密度和生物量高于田面。田面浮游动物年均密度为4 248 ind/L,其中密度4月最大,2月最小;年均生物量为9.28 mg/L,其中生物量12月最大,2月最小;田面浮游动物生物密度和生物量高于虾沟。

关键词: 克氏原螯虾(Procambarus clarkii), 稻虾种养, 浮游生物, 群落

Abstract: In order to study the plankton community composition and its annual dynamic change characteristics in the rice-crayfish field, monthly plankton samples were collected, and the structure, diversity, species and quantity of plankton community were detected and analyzed. The results showed that:①In the ditches, there were 125 species of phytoplankton in 7 phyla, significantly higher than that in field surface, and 57 species of zooplankton in 4 species were determined, which had no significant difference from the field surface; The species number of chlorophyta and protozoa were absolute dominant. ②The annual average values of diversity index, richness index and evenness index of phytoplankton in ditches which for crayfish lived were 1.944, 2.481 and 0.540, respectively; there was no significant difference in diversity index between the two fields. The diversity index, richness index and evenness index of zooplankton in ditches were 1.726, 1.865 and 0.654, respectively. The diversity index was the lowest in April and the highest in August. ③Oocystis sotilaria was dominant species from October to march and April of the following year, Tribonema vulgare Pasch was dominant species from May to September, and Scenedesmus quadricauda was dominant species from June to October. The dominant species were copepodite in December and February. The nauplii in March and April were the dominant species in the field surface, and in ditches,Tintinnopsis was dominant species in April, the dominant species were all Pelomyxa palustris Greeff. from May to August, and Moina affinis Birge. was all dominant species from September to November. ④The annual average density of phytoplankton was 1 403 858 ind/L, the annual average biomass was 0.155 37 mg/L, the density in March was the highest and in February was the minimum, the biomass in May was the highest and in October was the minimums, and the density and biomass of phytoplankton in the ditches were higher than those in the field surface. The annual density and biomass of zooplankton were 4 248 ind/L and 9.28 mg/L respectively in the field surface, the density was the highest in April and minimum in February, the biomass was the highest in December and minimum in February. The density and biomass of zooplankton in the field were higher than that in the ditch.

Key words: Procambarus clarkii, rice and shrimp farming, plankton, community

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