강원도 현천리 습지의 동식물플랑크톤
Zooplankton and Phytoplankton in the Hyuncheon Wetland, Gangwon-do, Korea
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A Study on zooplankton fauna and phytoplankton flora was carried out three times inJune, August and September 2012 at the Hyuncheon wetland in Gangwon-do, Korea. A total of 14taxa of zooplankton were distributed, which consisted of six rotifers, four cladocerans, two copepods,one nematode and one aquatic insect larvae. Occurrence of Simulium japonicum supports thatstudied water is the first grade clear water. It was observed that the abundance of zooplankton wasnever exceeded over 55 ind.L-1. Rotifers dominated in the months of June and August, whereascladocerans in September, respectively. The phytoplankton flora was consisted of 26 species. Thestanding crops varied between 4,080~10,120 cell.L-1. Docidium undulatum is the typical speciesdistributed in muddy wetland and Closterium acerosum is distributed widely from wetlandsthrough lakes. Navicula spp. and Nitzchia spp. were recorded to be distributed in lentic waters ofbig lakes such as Paldang Lake. Species diversity indices decreased gradually from June toSeptember between 1.3~1.9 in zooplankton but lowest in August between 0.9~1.6 in phytoplankton,respectively. Based on my study observation, I anticipate that the poor distribution ofzooplankton, phytoplankton, and low values of species diversity index are likely to be a cause ofnarrow area with shallowness of waters during the short period.
Abstract
A Study on zooplankton fauna and phytoplankton flora was carried out three times inJune, August and September 2012 at the Hyuncheon wetland in Gangwon-do, Korea. A total of 14taxa of zooplankton were distributed, which consisted of six rotifers, four cladocerans, two copepods,one nematode and one aquatic insect larvae. Occurrence of Simulium japonicum supports thatstudied water is the first grade clear water. It was observed that the abundance of zooplankton wasnever exceeded over 55 ind.L-1. Rotifers dominated in the months of June and August, whereascladocerans in September, respectively. The phytoplankton flora was consisted of 26 species. Thestanding crops varied between 4,080~10,120 cell.L-1. Docidium undulatum is the typical speciesdistributed in muddy wetland and Closterium acerosum is distributed widely from wetlandsthrough lakes. Navicula spp. and Nitzchia spp. were recorded to be distributed in lentic waters ofbig lakes such as Paldang Lake. Species diversity indices decreased gradually from June toSeptember between 1.3~1.9 in zooplankton but lowest in August between 0.9~1.6 in phytoplankton,respectively. Based on my study observation, I anticipate that the poor distribution ofzooplankton, phytoplankton, and low values of species diversity index are likely to be a cause ofnarrow area with shallowness of waters during the short period.
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