고리, 월성, 울진 및 영광 연안해역에서 식물플랑크톤 군집의 생태학적 특성 II. 현존량 분포 및 환경요인들(1992~1996) Ecological Characteristics of Phytoplankton Communities in the Coastal Waters of Gori, Wolseong, Uljin and Younggwang II. Distributions of Standing Crops and Environmental Variables (1992~1996)원문보기
고리, 월성, 울진 그리고 영광해역에서 1992년부터 1996년까지 식물플랑크톤의 생태학적 특성을 이해하고자, 식물플랑크톤의 현존량 및 엽록소 농도가 조사되었고, 무생물학적 환경요인들과의 상관관계를 분석하였다. 고리, 월성, 울진 및 영광해역에서 연구기간동안 총 질소의 평균 농도는 각각 0.101, 0.094, 0.072및 0.108mg/$\ell$이었고 ,인산염은 각각 0.007, 0.008, 0.006 및 0.009mg/$\ell$이었다 N:P ratios는 고리, 월성, 울진 및 영광해역에서 3.2~57.3, 3.1~109.0. 2.6~102.0 및 1.0~165.0으로 극심한 변동을 나타내었다. 또한 부유물질 농도는 각각 평균 18.7, 16.7, 11.6 및 52.7mg/$\ell$이었고, 투명도는 각각 평균 3.8, 5.4, 7.9및 0.7m이었다. 총 현존량은 고리, 월성, 울진 및 영광해역에서 각각 평균 710,659, 687,508, 656,245 그리고 1,278,173ce11s/$\ell$로 영광해역에서 가장 높았으며, 나머지 해역은 서로 유사하였다. 연구해역 모두 전반적으로 높은 현존량을 나타내었으며, 이 중 소형플랑크톤의 현존량은 고리, 월성, 울진 및 영광해역에서 각각 평균 357,546, 333,638, 276,407그리고 592,975ce11s/$\ell$이었으며, 미소플랑크톤의 현존량은 고리, 월성, 울진 및 영광해역에서 각각 평균 353,113, 353,870, 379,838그리고 714,846cells/$\ell$로 영광 해역에서 가장 높게 나타났다. 규조류는 고리, 월성, 울진 및 영광해역에서 각각 평균 282,009, 284,710, 238,758 그리고 574,563cells/$\ell$로 영광해역에서 가장 높았으며, 고리, 월성 및 울진 해역은 봄철에 높고 가을철에 낮은 계절분포를 보인 반면에 영광해역은 여름철에 낮은 현존량을 기록하였다. 와편모조류는 각각 평균 46,078, 35,401, 32,906 그리고 16,749cells/$\ell$로 서해 영광해역이 가장 낮게 나타났고, 고리와 영광해역은 여름철 그리고 울진해역은 가을철에 높은 계절분포를 나타내었다. 엽록소 $\alpha$농도는 연구해역에서 평균 2.16~4.28$\mu\textrm{g}$/$\ell$로 영광해역에서 가장 높게 나타났다. 종 다양성 지수는 연구해역에서 2.11~2.24 이었으며, 동해연안은 겨울철에 불안정하고 여름철에 안정된 군집구조를 이루는 반면에, 서해의 영광해역은 겨울철과 여름철에 안정된 군집구조를 이루고 있었다. 식물플랑크톤 현존량과 무생물학적 환경요인들과의 상관관계 분석결과, 연구해역과 계절에 따라 그 영향의 정도에서 차이를 보이지만, 투명도, 부유물질 및 영양염(N $O_3$$^{-}$-N, P $O_4$$^{3-}$ -P)등이 식물플랑크톤 현존량 분포에 영향을 주는 것으로 나타났다.
고리, 월성, 울진 그리고 영광해역에서 1992년부터 1996년까지 식물플랑크톤의 생태학적 특성을 이해하고자, 식물플랑크톤의 현존량 및 엽록소 농도가 조사되었고, 무생물학적 환경요인들과의 상관관계를 분석하였다. 고리, 월성, 울진 및 영광해역에서 연구기간동안 총 질소의 평균 농도는 각각 0.101, 0.094, 0.072및 0.108mg/$\ell$이었고 ,인산염은 각각 0.007, 0.008, 0.006 및 0.009mg/$\ell$이었다 N:P ratios는 고리, 월성, 울진 및 영광해역에서 3.2~57.3, 3.1~109.0. 2.6~102.0 및 1.0~165.0으로 극심한 변동을 나타내었다. 또한 부유물질 농도는 각각 평균 18.7, 16.7, 11.6 및 52.7mg/$\ell$이었고, 투명도는 각각 평균 3.8, 5.4, 7.9및 0.7m이었다. 총 현존량은 고리, 월성, 울진 및 영광해역에서 각각 평균 710,659, 687,508, 656,245 그리고 1,278,173ce11s/$\ell$로 영광해역에서 가장 높았으며, 나머지 해역은 서로 유사하였다. 연구해역 모두 전반적으로 높은 현존량을 나타내었으며, 이 중 소형플랑크톤의 현존량은 고리, 월성, 울진 및 영광해역에서 각각 평균 357,546, 333,638, 276,407그리고 592,975ce11s/$\ell$이었으며, 미소플랑크톤의 현존량은 고리, 월성, 울진 및 영광해역에서 각각 평균 353,113, 353,870, 379,838그리고 714,846cells/$\ell$로 영광 해역에서 가장 높게 나타났다. 규조류는 고리, 월성, 울진 및 영광해역에서 각각 평균 282,009, 284,710, 238,758 그리고 574,563cells/$\ell$로 영광해역에서 가장 높았으며, 고리, 월성 및 울진 해역은 봄철에 높고 가을철에 낮은 계절분포를 보인 반면에 영광해역은 여름철에 낮은 현존량을 기록하였다. 와편모조류는 각각 평균 46,078, 35,401, 32,906 그리고 16,749cells/$\ell$로 서해 영광해역이 가장 낮게 나타났고, 고리와 영광해역은 여름철 그리고 울진해역은 가을철에 높은 계절분포를 나타내었다. 엽록소 $\alpha$농도는 연구해역에서 평균 2.16~4.28$\mu\textrm{g}$/$\ell$로 영광해역에서 가장 높게 나타났다. 종 다양성 지수는 연구해역에서 2.11~2.24 이었으며, 동해연안은 겨울철에 불안정하고 여름철에 안정된 군집구조를 이루는 반면에, 서해의 영광해역은 겨울철과 여름철에 안정된 군집구조를 이루고 있었다. 식물플랑크톤 현존량과 무생물학적 환경요인들과의 상관관계 분석결과, 연구해역과 계절에 따라 그 영향의 정도에서 차이를 보이지만, 투명도, 부유물질 및 영양염(N $O_3$$^{-}$-N, P $O_4$$^{3-}$ -P)등이 식물플랑크톤 현존량 분포에 영향을 주는 것으로 나타났다.
In order to investigate the ecological characteristics of phytoplankton communities around a nuclear power plant in Gori coastal waters of the South East Sea, Wolseong and Uljin coastal waters of the East Sea and Younggwang coastal waters of the Yellow Sea, the standing crops and chlorophyll-$\...
In order to investigate the ecological characteristics of phytoplankton communities around a nuclear power plant in Gori coastal waters of the South East Sea, Wolseong and Uljin coastal waters of the East Sea and Younggwang coastal waters of the Yellow Sea, the standing crops and chlorophyll-$\alpha$ concentrations of phytoplankton were studied during 1992~1996 and the relationships between standing crops and environmental variables were analyzed. The concentrations of nitrogenous nutrients were on average 0.101, 0.094, 0.072 and 0.108mg/$\ell$ and those of phosphorus were on average 0.007, 0.008, 0.006 and 0.009mg/$\ell$ in Gori, Wolseong, Uljin and Younggwang, respectively. The N:P ratios were highly variable, ranging from 3.2 to 57.3, from 3.1 to 109.0, from 2.6 to 102.0 and from 1.0 to 165.0 in Gori, Wolseong, Uljin and Younggwang, respectively. The concentrations of suspended solids were on average 18.7, 16.7, 11.6 and 52.7mg/$\ell$ and transparencies were on average 3.8, 5.4, 7.9 and 0.7 m in Gori, Wolseong, Uljin and Younggwang, respectively. Total standing crops of phytoplankton averaged 710,659, 687,508, 656,245 and 1,278,173cells/$\ell$ in Gori, Wolseong, Uljin and Yaunggwang, respectively. The standing crops of microplankton(>20${\mu}{\textrm}{m}$) averaged 357,546, 333,638, 276,407 and 592,975cells/$\ell$ those of nanoplankton(<20${\mu}{\textrm}{m}$) averaged 353,113, 353,870, 379,838 and 574,563cells/$\ell$ in Gori, Wolseong, Uljin and Younggwang, respectively. While standing crops of diatoms were averaged 282,009, 284,710, 238,758 and 574,563 cells/$\ell$, those of dinoflagellates were averaged 46,079, 35,401, 32,906 and 16,749 cells/$\ell$ in Gori, Wolseong, Uljin and Younggwang, respectively. The seasonal standing crops of diatoms in Gori, Wolseong and Uljin were higher in Spring than other seasons, but were lower in Summer than other seasons in Younggwang. The seasonal standing crops of dinoflagellates in Gori and Younggwang were higher in Summer than other seasons, but were higher in Autumn than other seasons in U]jin. Average of chlorophyll-$\alpha$ concentrations ranged from 2.16 to 4.28$\mu\textrm{g}$/$\ell$ in 4 study areas with the highest concentration occurred in Younggwang. Indices of species diversity ranged from 2.11 to 2.24 in 4 study areas. While community structures of phytoplankton were unstable during winter and stable during summer in Gori, Wolseong and Uljln coastal waters, those of phytoplankton were stable during winter and summer than during spring and autumn in Yaunggwang. The analysis results of Pearson product moment correlation coefficient between standing crops and environmental variables showed that distributions of standing crops were affected by transparencies, suspended solids, and some nutrient(N $O_3$$^{[-10]}$ -N, P $O_4$$^{3-}$-P), even though the degree of influences were a little different according to the season and the surveyed zone.
In order to investigate the ecological characteristics of phytoplankton communities around a nuclear power plant in Gori coastal waters of the South East Sea, Wolseong and Uljin coastal waters of the East Sea and Younggwang coastal waters of the Yellow Sea, the standing crops and chlorophyll-$\alpha$ concentrations of phytoplankton were studied during 1992~1996 and the relationships between standing crops and environmental variables were analyzed. The concentrations of nitrogenous nutrients were on average 0.101, 0.094, 0.072 and 0.108mg/$\ell$ and those of phosphorus were on average 0.007, 0.008, 0.006 and 0.009mg/$\ell$ in Gori, Wolseong, Uljin and Younggwang, respectively. The N:P ratios were highly variable, ranging from 3.2 to 57.3, from 3.1 to 109.0, from 2.6 to 102.0 and from 1.0 to 165.0 in Gori, Wolseong, Uljin and Younggwang, respectively. The concentrations of suspended solids were on average 18.7, 16.7, 11.6 and 52.7mg/$\ell$ and transparencies were on average 3.8, 5.4, 7.9 and 0.7 m in Gori, Wolseong, Uljin and Younggwang, respectively. Total standing crops of phytoplankton averaged 710,659, 687,508, 656,245 and 1,278,173cells/$\ell$ in Gori, Wolseong, Uljin and Yaunggwang, respectively. The standing crops of microplankton(>20${\mu}{\textrm}{m}$) averaged 357,546, 333,638, 276,407 and 592,975cells/$\ell$ those of nanoplankton(<20${\mu}{\textrm}{m}$) averaged 353,113, 353,870, 379,838 and 574,563cells/$\ell$ in Gori, Wolseong, Uljin and Younggwang, respectively. While standing crops of diatoms were averaged 282,009, 284,710, 238,758 and 574,563 cells/$\ell$, those of dinoflagellates were averaged 46,079, 35,401, 32,906 and 16,749 cells/$\ell$ in Gori, Wolseong, Uljin and Younggwang, respectively. The seasonal standing crops of diatoms in Gori, Wolseong and Uljin were higher in Spring than other seasons, but were lower in Summer than other seasons in Younggwang. The seasonal standing crops of dinoflagellates in Gori and Younggwang were higher in Summer than other seasons, but were higher in Autumn than other seasons in U]jin. Average of chlorophyll-$\alpha$ concentrations ranged from 2.16 to 4.28$\mu\textrm{g}$/$\ell$ in 4 study areas with the highest concentration occurred in Younggwang. Indices of species diversity ranged from 2.11 to 2.24 in 4 study areas. While community structures of phytoplankton were unstable during winter and stable during summer in Gori, Wolseong and Uljln coastal waters, those of phytoplankton were stable during winter and summer than during spring and autumn in Yaunggwang. The analysis results of Pearson product moment correlation coefficient between standing crops and environmental variables showed that distributions of standing crops were affected by transparencies, suspended solids, and some nutrient(N $O_3$$^{[-10]}$ -N, P $O_4$$^{3-}$-P), even though the degree of influences were a little different according to the season and the surveyed zone.
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