|本期目录/Table of Contents|

[1]王朋,徐钢春,聂志娟,等.大口黑鲈池塘工程化循环水养殖系统中溶解氧浓度变动规律及浮游动植物的响应特征[J].江苏农业科学,2020,48(2):177-183.
 Wang Peng,et al.Dissolved oxygen concentration change and the response characteristics of zooplankton and phytoplankton in pond raceway recirculating culture system (IPRS) of largemouth bass (Micropterus salmoides)[J].Jiangsu Agricultural Sciences,2020,48(2):177-183.
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大口黑鲈池塘工程化循环水养殖系统中溶解氧浓度变动规律及浮游动植物的响应特征(PDF)
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《江苏农业科学》[ISSN:1002-1302/CN:32-1214/S]

卷:
第48卷
期数:
2020年第2期
页码:
177-183
栏目:
畜牧兽医与水产蚕桑
出版日期:
2020-03-05

文章信息/Info

Title:
Dissolved oxygen concentration change and the response characteristics of zooplankton and phytoplankton in pond raceway recirculating culture system (IPRS) of largemouth bass (Micropterus salmoides)
作者:
王朋1徐钢春12聂志娟2王裕玉2徐跑12
1.南京农业大学无锡渔业学院,江苏无锡 214081;
2.中国水产科学研究院淡水渔业研究中心/农业农村部淡水渔业和种质资源利用重点实验室,江苏无锡 214081
Author(s):
Wang Peng et al
关键词:
溶解氧浮游动植物池塘工程化循环水养殖昼夜变化季节变化
Keywords:
-
分类号:
S964.3
DOI:
-
文献标志码:
A
摘要:
以高温季节8月为重点,研究池塘工程化循环水养殖系统中溶解氧浓度在水平、垂直方向的变动规律与浮游动植物的响应特征,及其在7—11月的季节变化,旨在为大口黑鲈池塘工业化生态养殖中溶解氧监测和生态调控提供科学依据。结果显示:在8月,溶解氧浓度最高值出现在14:00,且在低密度组(15 000尾/110 m2)中持续至18:00;高密度组(25 000尾/110 m2)中的溶解氧浓度、浮游动植物密度均普遍高于低密度组。在昼夜变化中,除净水区外,各水平位点的溶解氧浓度普遍随深度的增加而逐渐降低。溶解氧浓度、浮游动植物密度和水温相互之间存在显著或极显著相关性,但相关性的方向不完全相同。在7—11月,溶解氧浓度与浮游植物密度存在极显著的相关性(r=0.616,P<0.01),栅藻、平裂藻、裸藻、隐藻和十字藻在多个月份中占据着数量优势;浮游动物密度呈现“M”形波动,轮虫数量远多于枝角类和桡足类,异尾轮虫在9月的占比达37%,在其余月份,臂尾轮虫的占比达37%~64%;溶解氧昼夜差值逐渐缩小,每个月份溶解氧的昼夜变化皆与水温呈极显著的相关性(0.814≤r≤0.933,P<0.01)。综合分析可知,在大口黑鲈池塘工程化循环水养殖中,溶解氧浓度在水平、垂直方向上的昼夜变动主要与水温相关,同时与浮游动植物存在一定的相关性;在季节变化中溶解氧浓度与浮游植物具有极显著相关性。
Abstract:
-

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备注/Memo

备注/Memo:
收稿日期:2018-11-22
基金项目:江苏省农业科技自主创新资金[编号:CX(16)1004]。
作者简介:王朋(1992—),男,山东东平人,硕士研究生,主要从事池塘工程化流水生态养殖的研究。E-mail:1819657147@qq.com。
通信作者:徐跑,博士,研究员,博士生导师,主要研究方向为鱼类遗传育种、淡水特色水产品绿色生态养殖、大水面净水渔业。E-mail:xuP@ffrc.cn。
更新日期/Last Update: 2020-01-20