동해안 3개 원전 주변 산호말류의 시,공간적 분포양식

안중관 ( Jung Kwan Ahn ),김영환 ( Young Hwan Kim ) 한국환경생물학회 2009 환경생물 : 환경생물학회지 Vol.27 No.1

1997~2006년의 10년간 계절별로 동해안에 위치한 3개 원자력발전소(울진, 월성 및 고리)의 배수구 부근 방파제와 대조구에서 산호말류의 종조성과 생물량을 조사하였다. 조사를 통하여 13종의 산호말류가 관찰되었으며, 작은구슬산호말, 고리마디게발, 참산호말 및 잘피껍데기의 4종은 거의 모든 조사정점에서 지난 10년간 50%이상의 출현빈도를 보이는 보편종으로 밝혀졌다. 조사정점 별로는 발전소 방파제에서 10~12종이 출현하고 대조구에서 8~12종이 관찰되어 출현종수는 정점간에서 뚜렷한 차이를 보이지 않았다. 산호말류의 단위면적당 평균 생물량은 0~2,530 g dry wt m-2의 넓은 범위로 나타났으며, 생물량으로 본 우점종은 공통적으로 작은구슬산 호말이었다. 배수구 부근 방파제 구역에서 측정된 산호말류의 단위면적당 생물량은 대조구의 생물량보다 전반적으로 많았다. 단위면적당 해조류 생물량 가운데 산호말류가 차지하는 구성비율의 평균은 0~95.0%의 넓은 범위로 나타났으며, 발전소 방파제 구역에서 대조구보다 전반적으로 높게 나타났다. 특히 울진원자력발전소의 경우 수온이 높은 여름에 생물량이 가장 많고 구성비율 역시 가장 높게 나타나면서 다른 계절과 유의한 차이를 보였다. 이와 같은 발전소 주변 산호말류의 독특한 시·공간적 분포 양식은 조사정점간의 국지적 수온 차이와 무관하지 않은 것으로 추정된다. The species composition and biomass of coralline algae around three (Uljin, Wolseong and Gori) nuclear power plants on the east coast of Korea were investigated seasonally from February 1997 to October 2006. As a result, 13 species of coralline algae were found during the past ten years. Among them, Corallina pilulifera, C. officinalis, Amphiroa zonata and Pneophyllum zostericolum were common species that occurred more than 50% in frequency during the study period. Species number of coralline algae were between 10~12 species at the breakwaters near the outfalls of power plants and 8~12 species at the control area, and differences in species composition were not observed among study sites. Seasonal fluctuations of mean biomass were 0~2,530 g dry wt m-2 and dominant species in biomass was Corallina pilulifera at all the study sites. The breakwaters of power plants generally had a greater coralline algal biomass than the control area. Biomass proportions of coralline algae at the breakwaters of power plants were also higher than those at the control area. At the Uljin sites, particularly, biomass of coralline algae showed greatest in summer and biomass proportion showed highest during the summer season. Differences in the spatio-temporal patterns of coralline algae around three nuclear power plants on the east coast of Korea were presumably due to the regional temperature variations.

서해안 태안반도 해조군집의 종조성과 수직분포

안중관 ( Jung Kwan Ahn ),유경동 ( Kyong Dong Yoo ),오지철 ( Ji Chul Oh ),이재일 ( Jae Il Lee ),윤희동 ( Hee Dong Yoon ),김영환 ( Young Hwan Kim ) 한국수산과학회(구 한국수산학회) 2017 한국수산과학회지 Vol.50 No.1

Seasonal variability in algal community structure was examined at the intertidal zones of five study sites on the Taean Peninsula, on the western coast of Korea, from February 2014 to November 2015. A total of 118 species of marine algae, comprising 17 green, 24 brown and 77 red algae, were identified. The maximum number of species was observed at the Mohang site (75 species), and the minimum at the Yeonpo site (46 species). The seaweed biomass was 160.24 g dry wt./m² on average, and was maximal at Uihang (519.04 g dry wt./m²) and minimal at Yeonpo (19.03 g dry wt./m²). Based on biomass, the dominant seaweeds at Taean peninsula were Sargassum thunbergii and Corallina pilulifera. Community indices were as follows: richness index (R), 3.21-5.01; evenness index (J`), 0.33-0.38; and diversity index (H`), 0.90-1.12. Based on evaluation of the environmental states by the community indices, the ecological evaluation index (EEI) of Taean peninsula was “moderate”. The overall species and biomass of seaweeds decreased after the oil spill. However, Hakampo previously showed a similar algal community structure. In conclu-sion, the algal community was temporarily affected by the oil spill, but rapidly recovered.

2014년 다도해해상국립공원 해초류

안중관(Jung-Kwan Ahn),정장방(Jang Bang Jeong),김철도(Cheol Do Kim) 국립공원연구원 2015 국립공원연구지 Vol.6 No.4

다도해해상국립공원 내 해초류 분포 및 개체군 특성을 조사하였다. 거머리말(Zostera marina)은 다물도, 흑산도 배낭기미, 도초도 시목, 관매도, 소안도, 거문도에서 분포하였고, 애기거머리말(Z. japonica)은 하조도 동구섬과 세목 그리고 외래 유입종으로 알려진 해호말(Halophila nipponica)은 거문도에 분포하였다. 거머리말 밀도는 거문도(333 ± 177 shoots/m2)에서 가장 높았으며, 흑산도 배낭기미(215 ± 29 shoots/m2)에서 낮았고, 하조도의 애기거머리말은평균 밀도 1,425 shoots/m2, 거문도의 해호말의 평균 밀도는 576 shoots/m2로 나타났다. 거머리말의 형태학적 특징은 조사정점에 따라 서로 상이하게 나타났다. This study was distribution characteristics of seagrasses at Dadohaehaesang National Park. Zostera marina was distributed in Damuldo, Beanangkimi, Simol, Gwanmado, Soando and Geomundo. Z. japonica was distributed in Hajodo (Donggusum and Seomok). Halophila nipponica was distributed in Geomundo. The most average density of Zostera marina were found at Geomundo (333 ± 177 shoots/m2), Soando (320 ± 86 shoots/m2), while the fewest were found at Beanangkimi (215 ± 29 shoots/m2). The most average biomass was 570 g DW/m2 at Gwanmaedo, fewest at Simok (167 g DW/m2). Morphological characteristics of Zostera marina were different depending on the region. The average density of Z. japonica was 1,425 shoots/m2 at Hajodo. The average density of Halophila nipponica was 576 shoots/m2 at Geomundo.

한려해상국립공원 동부 조간대 해산식물상

안중관(Jung-Kwan Ahn),김병국(Byeong-Kuk Kim),정승진(Seung-Jin Jeong),최인영(In-Young Choi),정원옥(Won-Ok Jeong) 국립공원연구원 2013 국립공원연구지 Vol.4 No.1

2012년 계절별로 한려해상국립공원 동부 조간대지역 해산식물상을 조사하였다. 조사결과 총 145종(녹조류 18종, 갈조류 40종, 홍조류 87종)의 해조류와 애기거머리말(Zostera japonica)과 거머리말(Z. marina)이 출현하였다. 중요치에 의한 우점종은 지충이(Sargassum thunbergii), 톳(S. fusiforme), 작은구슬산호말(Corallina pilulifera) 등이 우점종으로 나타났다. Intertidal marine benthic flora in eastern part of Hallyeohaesang National Park were undertaken seasonally from February to November 2012. As a result, a total number of 145 species of benthic marine algae (18 green, 40 brown and 87 red algae) and 2 seagrasses (Zostera japonica, Z. marina) were identified. Dominant species in important value were Sargassum thunbergii, S. fusiforme, Corallina pilulifera.

남해안 중부 다도해해상국립공원 금오도 해조군집

안중관(Jung Kwan Ahn) 국립공원연구원 2021 국립공원연구지 Vol.12 No.2

다도해해상국립공원 금오도지역의 해조군집에 대해서 2017년 2월부터 8월까지 3 계절동안 금오도 직포와 안도에서 조사를 실시하였다. 조사결과 총 104종(녹조류 16종, 갈조류 24종, 홍조류 64종)의 해조류가 분포하였으며, 직포에서 82종, 안도에서 72종이 출현하였다. 해조류 생물량은 직포에서 평균 203.50 g dry weight/㎡, 안도에서 평균 212.67 g dry weight/㎡ 이었다. 중요도(IV)에 따른 우점종은 구멍갈파래(Ulva australis), 지충이(Sargassum thunbergii), 돌가사리(Chondracanthus tenellus) 등으로 나타났다. This study is intended to clarify the structure and changes of benthic macroalgal community in Geumodo at Dadohaehaesang National Park, Korea. The number of species and dominant species of marine algae were investigated from February to August, 2017. As a result, 104 species (16 green, 24 brown and 64 red algae) of benthic macroalgae were found. The number of species at Jikpo (82), Ando (72). The average biomass of macroalgae was measured as 203.50 g dry weight/㎡ at Jikpo and 212.67 g dry weight/㎡ at Ando. Dominant species were Ulva australis, Sargassum thunbergii and Chondracanthus tenellus.

한국 연안 해조류 생물량의 연간 변동 양상: 강원도 대진지역

신재덕,안중관,김영환,이숭복,김정하,정익교,Shin, Jae-Deok,Ahn, Jung-Kwan,Kim, Young-Hwan,Lee, Sung-Bok,Kim, Jeong-Ha,Chung, Ik-Kyo 한국조류학회(藻類) 2008 ALGAE Vol.23 No.4

Seaweed biomass was estimated using a nondestructive sampling method in the rocky intertidal and subtidal zone in Daejin on the mid-east coast of Korea from August 2006 to April 2008. Seasonal sampling were done at the depth of 0, 1, 5, 10 m using 50 x 50 cm quadrat. A total of 95 species, including 11 chlorophytes, 26 phaeophytes, 57 rhodophytes and one sea grass were identified. Mean biomass was comprised of 1,292 g wet wt m$^{-2}$ and the biomass values varied seasonally from 904 g to 1,945 g. Dominant species in biomass were Sargassum spp. (S. horneri, S. yezoense), Corallina pilulifera, Phyllospadix japonica, Symphyocladia latiuscula, Hizikia fusiformis, Codium arabicum and Chondrus ocellatus at Daejin. The vertical distribution of algae were characterized by Corallina pilulifera, Symphyocladia latiuscula, Sargassum spp. (S. confusum, S. yezoense), Hizikia fusiformis and Grateloupia elliptica at intertidal zone, Sargassum spp. (S. fulvellum, S. horneri, S. yezoense), Phyllospadix japonica, Codium arabicum, Undaria pinnatifida and Corallina pilulifera at 1 m depth, Sargassum spp. (S. horneri, S. micracanthum, S. yezoense), Phyllospadix japonica, Grateloupia elliptica, Gelidium amansii and Codium arabicum at 5 m depth and Phyllospadix japonica, Codium arabicum, Sargassum spp. (S. horneri, S. micracanthum, S. yezoense) and Undaria pinnatifida at 10 m depth.

동해안 월성원전의 온배수 방출이 주변 해조군집에 미치는 영향

김영환,안중관,Kim, Young-Hwan,Ahn, Jung-Kwan 한국조류학회(藻類) 2006 ALGAE Vol.21 No.4

This study is intended to clarify the structure and seasonal dynamics of warm tolerant benthic marine algal community in Korea. The species composition and biomass of marine algae at the discharge canal of Wolseong nuclear power plant on the East Coast of Korea were investigated seasonally from February 2001 to October 2005. As a result, 43 species (6 blue-green, 8 green, 9 brown and 20 red algae) of marine algae were found at the discharge canal during the past five years. In general, the number of species observed was abundant during winter to summer and less in autumn. Lyngbya confervoides and Enteromorpha compressa always occurred at the discharge canal during the past five years, and Oscillatoria brevis, Padina arborescens and Caulacanthus ustulatus were common species found more than 80% frequency during the study period. Seasonal fluctuations of mean biomass were 2-659 g dry wt m?2 and dominant species in biomass were Caulacanthus ustulatus (contribution to a total biomass proportion 37%), Enteromorpha compressa (26%) and Padina arborescens (24%). Results showed that, in the floristic composition, the green algae occurred as common algal group at the discharge canal of Wolseong nuclear power plant. In the quantitative aspect, however, the red algae such as Caulacanthus ustulatus and Ahnfeltiopsis flabelliformis appeared as predominant group at the discharge canal, in contrast to Kori nuclear power plant where there was a definite green algal dominance. Differences in algal communities developed at the discharge canals of three nuclear power plants on the East Coast of Korea can probably be related to local environmental factors.

동해안 울진원전의 온배수 방출이 주변 해조군집에 미치는 영향

김영환,안중관,이재일,엄희문,Kim, Young-Hwan,Ahn, Jung-Kwan,Lee, Jae-Il,Eum, Hee-Moon 한국조류학회(藻類) 2004 ALGAE Vol.19 No.3

In order to clarify the structure and seasonal dynamics of warm tolerant benthic marine algal community in Korea, the species composition and biomass of marine algae at the discharge canal of Uljin nuclear power plant on the East Coast of Korea were investigated seasonally from February 1992 to October 2000. 107 species of marine algae were found at the discharge canal during the past nine years. In general, the number of species observed was abundant in spring or summer and less in autumn or winter. 27 species (4 blue-green, 5 green, 6 brown and 12 red algae) of marine algae occurred more than 1/ 6 frequency and thus can be categorized as warm tolerant species. Among these, one brown (Dictyota dichotoma) and four red algae (Gelidium amansii, Anphiroa ephedraea, Hydrolithon sargassi, Marginisporum crassissimum) are recorded as warm tolerant marine algae for the first time in Korea. Padina arborescens, Anphiroa zonata and Corallina pilulifera were common species found more than 75% frequency. Seasonal fluctuations of mean biomass were 0-1,330 g dry wt m^(-2) and dominant species in biomass were Corallina pilulifera (contribution to a total biomass proportion 34%), Anphiroa zonata (23%), Padina arborescens (18%) and Sargassum micracanthum (11%). The red algae appeared as predominant algal group at the discharge canal of Uljin nuclear power plant in the qualitative and quantitative aspects. The green algae such as Enterornorpha compressa appeared rather frequently at the discharge canal, but the biomass proportion was very low, in contrast to Kori nuclear power plant where there was definite green algal dominance. Differences in algal communities developed at the discharge canals of Uljin and Kori nuclear power plant on the East Coast of Korea, particularly biomass proportions of green algae, can probably be related to local environmental factors such as water velocity through the canal and natural seawater temperatures.

고리원전의 온배수 방출이 주변 해조군집에 미치는 영향

김영환,안중관,윤희동,장민아,Kim, Young-Hwan,Ahn, Jung-Kwan,Yoon, Hee-Dong,Jang, Min-A 한국조류학회(藻類) 2007 ALGAE Vol.22 No.4

This study is intended to clarify the effects of heated effluents on intertidal benthic marine algal community in Korea. The species composition and biomass of marine algae at the discharge canal of Gori nuclear power plant on the southeastern coast of Korea were investigated seasonally from February 2001 to October 2006. As a result, 54 species (7 blue-green, 12 green, 9 brown and 26 red algae) of marine algae were found at the discharge canal during the past six years. In general, the number of species observed was abundant during winter to spring and less in autumn. Enteromorpha compressa, E. intestinalis, E. prolifera and Caulacanthus ustulatus were common species found more than 80% frequency during the study period. Seasonal fluctuations of mean biomass were 1-440 g dry wt m?2 and dominant species in biomass were Enteromorpha spp. (contribution to a total biomass proportion 28%), Sargassum horneri (14%) and Amphiroa beauvoisii (14%). It is evident from the floristic composition and biomass data that unique micro-environment of the discharge canal support different communities from those on the intake or control area. Results from the large numbers of surveys before and during plant operation showed that, in the regions influenced by thermal effluents such as the discharge canal of power plants, the process of ecological succession has been proceeded. It is assumed that the uni-directional water flow and the time of overhaul largely affect the development and succession of benthic marine algal communities of the discharge canal.

동해 중부 대진과 죽변 연안의 저서 해조류 군집구조

신재덕,안중관,김영환,이숭복,김정하,정익교,Shin, Jae-Deok,Ahn, Jung-Kwan,Kim, Young-Hwan,Lee, Sung-Bok,Kim, Jeong-Ha,Chung, Ik-Kyo 한국조류학회(藻類) 2008 ALGAE Vol.23 No.3

The species composition and variation of benthic marine algae at Daejin and Jukbyeon on the mid-east coast of Korea were investigated seasonally from August 2006 to April 2007. As a result, the total of 85 species, including 8 chlorophytes, 26 phaeophytes, 50 rhodophytes and 1 sea grass were identified. 52 species were found at Daejin and 74 species at Jukbyeon. Dominant species in importance value were Corallina pilulifera, Chondrus ocellatus, melobesioidean algae, Sargassum horneri, Sargassum yezoense and Phyllospadix japonica at Daejin, and Corallina pilulifera, melobesioidean algae, Phyllospadix japonica, Acrosorium polyneurum, Sargassum siliquastrum and Hizikia fusiformis at Jukbyeon, respectively. The vertical distribution of algae were characterized by Corallina pilulifera, Hizikia fusiformis, Sargassum spp. (S. siliquastrum, S. yezoense) and Symphyocladia latiuscula at intertidal zone, Sargassum spp. (S. horneri, S. serratifolium, S. yezoense), melobesioidean algae, Phyllospadix japonica and Corallina pilulifera at 1 m depth, melobesioidean algae, Phyllospadix japonica and Sargassum spp. (S. horneri, S. yezoense) at 5 m depth and melobesioidean algae, Phyllospadix japonica and Sargassum spp. (S. horneri, S. micracanthum, S. yezoense) at 10 m depth.