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Research Article

Academia Journal of Biotechnology 4(11): 398-410, November 2016
DOI: 10.15413/ajb.2016.0122
ISSN: 2315-7747
2016 Academia Publishing


Aquaculture Potential and Environmental Impact of Tilapia Oreochromis aureus Strain Rocky Mountain Cultivated in Floating Cages in Dams at High Altitude, but in Tropical Areas

Accepted 18th August, 2016

Shin-Jo Kim1, Hyo-Jeong Song1, Moon-Young Hwang2, Hang-Soo Cho2, Kwang-Duck Song1, Jin-A Beom1, Tae-gu Kang1 and Young-Suk Kim1*

1YeongsanRiver Environment Research Center, National Institute of Environmental Research, Korea.
2HanRiver Environment Research Center, National Institute of Environmental Research, Korea.

*Corresponding author. E-mail: kys0522@korea.kr.  Tel: +82-62-970-3915.


Habitat quality, phytoplankton, zooplankton, macro-invertebrates, hydrophytes and fish communities were surveyed in 29 lakes and reservoirs in Jeollanam-do Province, Korea, in 2015. Among the four hundred and thirty-two (432) phytoplankton species identified, two hundred and eighteen (218) were Chlorophyceae and 41 were Cyanophyceae (green and blue-green algae). The standing crop of phytoplankton ranged from 61 to 468,067 cells/ml and Aphanocapsa sp. was the dominant species (21.6% relative density). The 52 zooplankton taxa identified included 42 Rotifera, eight Cladocera and 32 Copepoda and the relative abundance of these major groups varied from 9.7 to 67.6%. Annual mean density across the 45 sampled sites was 421 539 individuals/L, lower than the value obtained in the previous work in 2014. Compared with the findings of the past surveys, species diversity and abundance were lower, whereas the proportion of Rotifera was higher. The macro-invertebrate community across 10 surveyed sites comprised 74 species distributed in 68 genera belonging to 52 families. The 7,936 aquatic insects identified corresponded to 47 species within the 43 genera. Diptera were the most abundant macro-invertebrates (31.4%), followed by Mollusca (24.1%), Ephemeroptera (14.3%), Crustacea (12.0%), Annelida (6.7%), and Trichoptera (6.5%). Tracheophyta from 10 sampled sites comprised 260 taxa: 20 varieties, two formae, one sub-species, 237 species, 197 genera and 76 families. There were 44 taxa (16.9%) of naturalized plants, seven of which are classified as causing disturbance to wild ecosystems according to the Ministry of Environment. The 10 sampled sites yielded 41 species of fish fauna belonging to 16 families and eight orders. Among these, Korean endemic species (five families and two orders) presented 20.3% dominance and a 12.2% endemism index. The dominance index of alien species, Cyprinus carpio, Carassius cuvieri, Lepomis macrochirus and Micropterus salmoides was 16.2%. The information provided here contributes to our knowledge and evaluation of disturbed lake communities, allowing us to improve the environment and implement better water quality protection measures to increase the health and sustainability of these lakes.

Key words: Phytoplankton, zooplankton, aquatic invertebrates, hydrophytes, fish, environment, lentic, lotic, endemic..

This is an open access article published under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Cite this article as:

Kim SJ, Song HJ, Hwang MY, Cho HS, Song KD, Beom JA, Kang T, Kim YS (2016). Ecological Characteristics of Jeollanam-do Province (Korea) lakes: An Assessment of Water Quality, Plankton, Hydrophytes, Macroinvertebrates, and Fish Communities. Acad. J. Biotechnol. 4(11): 398-410..

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