An integrated recirculating aquaculture system (RAS) for land-based fish farming: The effects on water quality and fish production

2011 ◽  
Vol 45 (3) ◽  
pp. 93-102 ◽  
Author(s):  
Shi-Yang Zhang ◽  
Gu Li ◽  
Hui-Bi Wu ◽  
Xing-Guo Liu ◽  
Yan-Hong Yao ◽  
...  
Keyword(s):  
Water Quality ◽  
Fish Farming ◽  
Fish Production ◽  
Recirculating Aquaculture System ◽  
Recirculating Aquaculture ◽  
Aquaculture System

Variation of Water Quality in Fish Farm Using Recirculating Aquaculture System for Fancy Carp

2018 ◽  
Vol 19 (1) ◽  
pp. 37-45
Author(s):  
Woo Jin Lee ◽  
Seon Woo Baek ◽  
Ha Na Seo ◽  
Byeong Wook Kong ◽  
Deog Gwan Ra ◽  
...  
Keyword(s):  
Water Quality ◽  
Fish Farm ◽  
Recirculating Aquaculture System ◽  
Recirculating Aquaculture ◽  
Aquaculture System

scholarly journals PRACTICE OF ARTIFICIAL REPRODUCTION OF STERLAD (ACIPENSER RUTHENUS LINNAEUS) IN RECIRCULATING AQUACULTURE SYSTEM (IN MANGISTAU REGION)

2020 ◽  
Vol 2020 (3) ◽  
pp. 111-124
Author(s):  
Yefim Fedorovich Bulavin ◽  
Guldana Maratkizi Maratova ◽  
Saule Zhangirovna Asylbekova ◽  
Kuanysh Baibulatovich Isbekov ◽  
Saya Kashkinbayevna Koyshibaeva ◽  
...  
Keyword(s):  
Fish Farming ◽  
Artificial Reproduction ◽  
Recirculating Aquaculture System ◽  
Hormonal Stimulation ◽  
Commercial Fish ◽  
Acipenser Ruthenus ◽  
Recirculating Aquaculture ◽  
Aquaculture System ◽  
Sturgeon Species ◽  
Sterlet Acipenser Ruthenus

The paper presents the results of artificial reproduction of sterlet (Acipenser ruthenus Linnaeus) carried out at the Scientific Production Center KazakhOsseter, LLP (the Mangistau region) in conditions of a recirculating aquatic system (RAS). The conditions for carrying out the main reproduction measures are described: wintering, qualifying, hormonal stimulation, obtaining reproductive products and rearing larvae. As a result, the sterlet spawning campaign was carried out in conditions of RAS in the Mangistau region, the native grown viable sterlet larvae being obtained. In the course of the work carried out in conditions of RAS in the Mangistau region there have been developed the scientific foundations and technologies for the formation and using production stocks of sturgeon, which are involved in the process of artificial reproduction. The results of the work performed could help to effectively organize the production at the commercial fish farming enterprises in the Mangistau region. The entrepreneurs of the region will have the opportunity to get acquainted with the technology of fish growing in conditions of RAS and to apply the technology for obtaining and reproducing sturgeon species in the ir local hatcheries in the future.

Characterizing the structural diversity of a bacterial community associated with filter materials in recirculating aquaculture systems of Scortum barcoo

2012 ◽  
Vol 58 (3) ◽  
pp. 303-310 ◽  
Author(s):  
Peng Zhu ◽  
Yangfang Ye ◽  
Fangfang Pei ◽  
Kaihong Lu
Keyword(s):  
Water Quality ◽  
Bacterial Community ◽  
Clone Library ◽  
Stable Operation ◽  
Recirculating Aquaculture System ◽  
Operation Condition ◽  
Recirculating Aquaculture ◽  
Filter Materials ◽  
Aquaculture System ◽  
Recirculating Aquaculture Systems

The bacterial community structure associated with filter materials in the recirculating aquaculture system of Scortum barcoo was investigated using the 16S rRNA gene clone library method. Preliminary results showed that the clone library constructed from the initial operation condition was characterized by 31 taxa of bacteria belonging to eight phyla including Proteobacteria, Acidobacteria, Firmicutes, Fusobacteria, Sphingobacteria, Bacteroidetes, Verrucomicrobiae, and Actinobacteria. There were 14 taxa of bacteria belonging to four phyla including Proteobacteria, Acidobacteria, Planctomycetacia, and Nitrospirae from the stable operation condition where the water quality was well maintained. Nitrospirae was only found under the stable operation condition in this study. Our results further indicated that Nitrospira was dominated by members of the Nitrospira sp. lineages, with a minor fraction related to Nitrospira moscoviensis and an unknown Nitrospira cluster. These great differences of both diversity and composition between two operation conditions suggested that the composition of the microbial community varied with the degree of water quality in the recirculating aquaculture system of S. barcoo.

scholarly journals Effects of Stigeoclonium nanum , a freshwater periphytic microalga on water quality in a small-scale recirculating aquaculture system

2018 ◽  
Vol 49 (11) ◽  
pp. 3529-3540 ◽  
Author(s):  
Norulhuda Mohamed Ramli ◽  
Fatimah M. Yusoff ◽  
Christos Giatsis ◽  
Geok Yuan A. Tan ◽  
Johan A. J. Verreth ◽  
...  
Keyword(s):  
Water Quality ◽  
Small Scale ◽  
Recirculating Aquaculture System ◽  
Recirculating Aquaculture ◽  
Aquaculture System

scholarly journals Biological water treatment in a recirculating aquaculture system

2021 ◽  
Vol 286 ◽  
pp. 03013
Author(s):  
Evelin-Anda Laza ◽  
Ioan Ladislau Caba ◽  
Mihai Olan ◽  
Valentin Vladut
Keyword(s):  
Fish Farming ◽  
Water Filtration ◽  
Fish Ponds ◽  
Recirculating Aquaculture System ◽  
Recirculating Aquaculture ◽  
Biological Water ◽  
Biological Filter ◽  
Aquaculture System ◽  
Biological Water Treatment ◽  
Recycling Systems

Biological water filtration is a process by which toxic compounds are removed from water using organisms. A well-sized biological filter is extremely important as part of a recirculating aquaculture system for fish farming. Biological water filtration equipment in aquaculture recycling systems is a technological set that restores the vital qualities of wastewater from fish ponds, thus allowing its reuse

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