The Fishery Institute of the Sichuan Academy of Agricultural science

Yibin, China

The Fishery Institute of the Sichuan Academy of Agricultural science

Yibin, China
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Zhou B.,Ocean University of China | Zhou B.,The Fishery Institute of the Sichuan Academy of Agricultural science | Dong S.,Ocean University of China | Wang F.,Ocean University of China
Aquaculture International | Year: 2015

A grass carp (Ctenopharyngodon idellus) cultured pond in east China was described using an Ecopath with Ecosim (EwE) model, aimed at characterizing trophic structure, the interactions among ecological groups and assessing the efficiency of the pond ecosystem. Fifteen functional groups were incorporated into the model (including artificial feed). Values for production, consumption and respiration were compared with the total system throughput. The results indicated that both primary and secondary productivity were not well utilized in the pond ecosystem, resulting in an accumulation of detritus. The maximum trophic level of any functional group in the model was only 3.14. This indicates a short food chain, typical of simple or immature food webs in terms of structure and dynamics. The different size fractions of phytoplankton made different contributions to the system, and larger-sized phytoplankton were easier to eat by organisms at higher trophic levels. The study indicated that introducing a polyculture system would increase the efficiency and outputs from the pond ecosystem. © 2015, Springer International Publishing Switzerland.


Li H.,The Fishery Institute of the Sichuan Academy of Agricultural science | Liu Y.,The Fishery Institute of the Sichuan Academy of Agricultural science | Cao H.,Yibin Vocational and Technical College | Chen Y.,The Fishery Institute of the Sichuan Academy of Agricultural science | Du J.,The Fishery Institute of the Sichuan Academy of Agricultural science
Mitochondrial DNA | Year: 2015

Garra kempi, a small-sized economic fish, is mainly distributed in Tibet of China. In this study, we successfully sequenced the first mitochondrial genome of G. kempi. The mitogenome is 17 104 bp in length, containing 13 protein-coding genes, two rRNA genes, 22 tRNA genes, and 2 control regions (D-loop). Unlike the typical mitochondrial genome organization in vertebrate, the tRNAPro gene of G. kempi is located between two control regions, and a 246 bp repeat unit is identified in the second control region. In this paper, we utilized 12 protein-coding genes of G. kempi and other 10 closely species to construct the species phylogenetic tree to verify the accuracy of G. kempi. © 2015 Taylor & Francis.


Li Q.,The Fishery Institute of the Sichuan Academy of Agricultural science | Liu Y.,The Fishery Institute of the Sichuan Academy of Agricultural science | Chen Y.,The Fishery Institute of the Sichuan Academy of Agricultural science | Xiao Y.,The Fishery Institute of the Sichuan Academy of Agricultural science | Du J.,The Fishery Institute of the Sichuan Academy of Agricultural science
Mitochondrial DNA | Year: 2015

Claea dabryi is a small bottom-dwelling fish that is endemic to the upper stream of the Yangtze River. In this study, we successfully sequenced the first mitochondrial genome of C. dabryi. The mitogenome is 16 569 bp in length, containing 13 protein-coding genes, 2 rRNA genes, 22 tRNA genes, and a control region (D-loop). Most of the genes are encoded on the heavy strand, except for eight tRNAs (tRNAGln, tRNAAla, tRNAAsn, tRNACys, tRNATyr, tRNASer, tRNAGlu, and tRNAPro) and ND6 gene. In this paper, we utilized 12 protein-coding genes of C. dabryi and other 11 closely species to construct the species phylogenetic tree to verify the accuracy of C. dabryi. © 2015 Taylor & Francis


PubMed | The Fishery Institute of the Sichuan Academy of Agricultural science
Type: Journal Article | Journal: Mitochondrial DNA. Part A, DNA mapping, sequencing, and analysis | Year: 2016

Schizopygopsis chengi baoxingensis is endemic to the Baoxing River in China and may become an endangered species due to its very narrow habitat and the construction of hydropower dams. In this study, we successfully sequenced the first mitochondrial genome of S. c. baoxingensis. The mitogenome is 16,787bp in length, containing 13 protein-coding genes, two rRNA genes, 22 tRNA genes and a control region (D-loop). The overall base composition of the H-strand is 28.5% A, 26.2% T, 18.4% C, and 26.9% G, with a slight AT bias of 54.7%. The sequenced mtDNA genome of S. c. baoxingensis is similar in gene arrangement to that of other cyprinidaes except for a 191bp non-coding region found between tRNA(Thr) and tRNA(Pro).


PubMed | The Fishery Institute of the Sichuan Academy of Agricultural science
Type: | Journal: Mitochondrial DNA | Year: 2015

Claea dabryi is a small bottom-dwelling fish that is endemic to the upper stream of the Yangtze River. In this study, we successfully sequenced the first mitochondrial genome of C. dabryi. The mitogenome is 16569bp in length, containing 13 protein-coding genes, 2 rRNA genes, 22 tRNA genes, and a control region (D-loop). Most of the genes are encoded on the heavy strand, except for eight tRNAs (tRNA

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