• 한국수산과학회지
• /
• 제54권1호
• /
• pp.101-106
• /
• 2021

The marine algal flora and community structure of Dadohaehaesang National Park, the Southwestern coast of Korea, were investigated monthly during May, July and September 2012. As the results, a total of 86 species including 10 greens, 17 browns and 59 reds was identified, except for blue-greens and crustose reds. The seaweeds that commonly appear during the investigation period are the green algae Ulva australis, the brown algae Ishige okamurae, Myelophycus simplex, Sargassum fusiforme and S. thunbergii and the red algae Gelidiophycus freshwateri, Gelidium. elegans, Corallina officinalis, C. pilulifera, Caulacanthus ustulatus, Ahnfeltiopsis flabelliformis, and Chondrus ocellatus. In Jodo district (Yemiri, Changuri), Ulva australis and Gloiopeltis furcata were dominant species in May, Sargassum fusiforme and Ulva australis were dominant in July, and Gelidiophycus freshwateri and Ulva australis were dominant in September. In Soan/Cheongsan district (Hwaheungpo, Jungdori), Gloiopeltis tenax and Chondracanthus tenellus were dominant species in May, and Gloiopeltis tenax and Chondracanthus tenellus were dominant in July as well as in the spring. And the Caulacanthus ustulatus and Corallina sp. were dominant species in September.

• ALGAE
• /
• 제18권4호
• /
• pp.365-369
• /
• 2003

Algal flora and community structure of benthic marine algae in the subtidal zone, Yeongil Bay area were studied. The number of algal species in the quadrats were identified totally 78: 2 Cyanophyta, 10 Chlorophyta, 19 Phaeophyta, and 47 Rhodophyta. The dominant species based on biomass were Sargassum hornerii, Undaria pinnatifida, and Sargassum thunbergii. Vertical distribution was clear by the representative algae such as, Undaria pinnatifida, Sargassum thunbergii, Sargassum horneri, Corallina spp. in the upper subtidal zone, Undaria pinnatifida, Sargassum horneri, Caulerpa okamurae in the middle zone, and Dictyopteris divaricata in the lower zone.

• 수산해양교육연구
• /
• 제29권3호
• /
• pp.952-957
• /
• 2017

In the course of survey of marine algal flora in Korea, a red algal species was collected from Pohang located in the eastern coast of Korea. This shares features of Hypnea, and is characterized by more or less percurrent axis and numerous and short branchlets densely covering axis and branches with basal constrictions, and absence of lenticular thickenings in medullary cell walls. In a phylogenetic tree based on rbcL sequences, this species nests in the same clade as Hypnea esperi. Genetic distance between this Korean entity and H. esperi was in intraspecific range as 0.6%. This alga is identified as Hypnea esperi based on the morphological and molecular data. This is the first record of H. esperi in Korea.

• 환경생물
• /
• 제36권3호
• /
• pp.308-313
• /
• 2018

During a survey of marine algal flora, a red algal species was collected from Giseong, Uljin located on the eastern coast of Korea. This species has the generic features of Cryptonemia belonging to Halymeniaceae, and is characterized by the presence of erect foliose thalli arising from a discoid holdfast, somewhat fan-shaped blade with an evanescent midrib at the base, narrow main axes with blade-like wings of slightly undulate margin, a perennial stalk, and entwined filamentous medulla with refractive stellate cells. In a phylogenetic tree based on rbcL sequence, the Korean alga nests in the same clade with C. lomation from France and C. seminervis from Spain. Genetic divergence among the sequences within the clade was not recognized thus suggesting that both the species are conspecific. The name C. lomation considered to be valid nomenclaturally is accepted for the entity. Based on the morphological and molecular analyses, the Korean alga is identified as C. lomation, originally described from Italy. This confirms the occurrence of C. lomation in Korea. The species appears to be distributed in the temperate region influenced more or less by the North Korea Cold Current.

• 수산해양교육연구
• /
• 제29권2호
• /
• pp.612-625
• /
• 2017

To grasp the algal vegetation using the occurred species number, biomass and dominant species, this study was performed in the subtidal zone of Muan-gun, in the intertidal zone of Jindo-gun and in the intertidal zone and subtidal zone of Geomundo, the south-eastern coast of Jeollanamdo, Korea in the spring 2014. The total occurred species was 140 ones including 10 chlorophytes(7.14%), 54 phaeophytes(38.57%) and 76 rhodophytes(54.29%); the biomass was $70,484g{\cdot}w{\cdot}w/m^2$ in total. The flora charateristic using R/P ratio, geographical distribution pattern of algae, at the Station 9-1(intertidal zone) in Geomundo was tropical; the flora at the Station 6 (Maengseong-ri, Sanjodo, Jindo-gun) and the Station 9-2(subtidal zone) in Geomundo were mixed; the others were arctic to temperate. The physiognomic types were also shown. Each species was classified into six functional-form groups, and two ecological state groups(ESG) were evaluated based on these groups. The coarsely branched-group of functional-form groups was 44% of total occurred species. The ESG II in all study sites was high, and this is maybe due to the environmental stress such as pollution and disturbance, etc.

• 한국수산과학회지
• /
• 제44권6호
• /
• pp.732-739
• /
• 2011

Marine algal flora and community structure were examined at four sites at Tongyeong, Korea, from February to December 2009. Eighty-two algal species were identified, including 10 green, 25 brown, and 47 red algae. During the study period, the number of species was highest at the Dukpo (61 species) site followed by the Gajodo (60 species), Yepo (58 species), and Chilchundo (53 species) sites. Seaweed biomass ranged from 578.11 to 678.26 g, with the maximum and minimum at Chilchundo and Yepo, respectively. Dominant species in term of biomass were Sargassum thunbergii at Yepo, Dukpo, and Gajodo and Gelidium amansii at Chilchundo. The vertical distribution from the high to low intertidal zone was Sargassum thunbergii and Chondria crassicaulis; Sargassum thunbergii and Ulva linza; Ulva pertusa, Sargassum fulvellum, and Gelidium amansii. Two groups clearly segregated in a cluster analysis, a Yepo/Dukpo group (group A) and a Gajodo/Chilchundo (B), indicating relatively strong differences in similarity. The seaweed community structure of group A was characterized by higher biomass and higher species richness of brown algae than were observed in group B. Additionally, the biomass ratio and the species richness of green algae was lower in group A. These differences in seaweed community structure may have been resulted from the effects of cold effluents.

• Ocean and Polar Research
• /
• 제23권4호
• /
• pp.347-360
• /
• 2001

This study examined the taxonomic composition of marine benthic algal flora from Maxwell Bay, King George Island, Antarctica, collected between January 1988 and January 1995. The rhodophyte specimens collected and examined included a total of 20 genera and 20 species of red algae. Of these, 2 species, Kallymenia antarctica Hariot and Pantoneura plocamioides Kylin, were recorded in Maxwell Bay for the first time. Taxonomic keys for the rhodophytes are also provided.

• 한국해양학회지:바다
• /
• 제19권3호
• /
• pp.191-201
• /
• 2014

한국 동해안 울진군에 위치한 왕돌초 조하대에서 2012년 5월부터 2013년 8월까지 계절별로 해조상 및 군집구조에 관한 연구를 수행하였다. 연구기간 동안 녹조류 12종, 갈조류 29종, 홍조류 81종을 포함한 122종이 채집 및 동정되었으며, 38종의 해조류는 조사지역에서 연중 출현하였다. 정점별 평균 생물량은 봄 472.19-1,198.77 g wet wt. $m^{-2}$, 여름 68.99-631.14 g wet wt. $m^{-2}$, 가을 200.91-401.20 g wet wt. $m^{-2}$, 겨울 53.61-922.32 g wet wt. $m^{-2}$로 나타났다. 생물량에 근거한 왕돌초 해조류의 수직분포는 상부 개도박(Grateloupia lanceolata), 넓은분홍잎(Acrosorium venulosum), 마디잘록이(Lomentaria catenata), 중부 미역(Undaria pinnatifida), 참가시그물바탕말(Dictyopteris pacifica), 괭생이모자반(Sargassum horneri), 감태(Ecklonia cava), 하부 쇠꼬리산말(Desmaeistia viridis), 감태(E. cava), 괭생이모자반(S. horneri) 순으로 확인되었다. 왕돌초에서 출현한 해조류를 6가지 기능형군에 따라 구분한 결과 사상형 34.43%, 성긴분지형 25.41%, 엽상형 24.59%, 다육질형 9.71%, 각상형 5.74%, 유절산호말형 0.82%로 확인되었다. 해조상의 특성을 반영하여 해조군락 특성을 판단할 수 있는 C/P, R/P, (R+C)/P 값은 각각 0.41, 2.79, 3.21로 나타났다. 또한, 왕돌초 조하대 군집 안정도와 환경상태를 다양도지수(H')와 우점도지수(DI)를 기초로 확인한 결과 안정된 것으로 나타났다. 왕돌초 조하대에 서식하는 해조류 종다양성 및 풍부도를 유지하기 위하여 교란이나 부영양화 같은 인간활동으로부터 보호되어야 할 것으로 판단된다.

• 한국동물학회:학술대회논문집
• /
• 한국동물학회 1997년도 한국생물과학협회 학술발표대회
• /
• pp.128.1-128
• /
• 1997

No Abstract, See Full Text

• 수산해양교육연구
• /
• 제3권2호
• /
• pp.29-46
• /
• 1991

강원도(江原道) 주문진(注文津) 방파제(防波堤)에 부착, 서식하는 해조류(海藻類)를 1989년 8월부터 1990년 7월까지 종조성(種造成) 및 계절적(季節的) 주기성(週期性)에 관하여 조사하였다. 이 지역에서 채집(採集) 동정(同定)된 해조류(海藻類)는 총 70종으로 녹조류(綠藻類) 7종, 갈조류(褐藻類) 21종 및 홍조류(紅藻類) 42종이었다. 상관적(相觀的) 우점종(優占種)은 괭생이모자반, 미역, 다시마 및 도박류였으며, 이들 우점종(優占種)에 의하여 모자이크 식생류형(植生類型)을 보였다. S${\phi}$rensen의 류사도지수(類似度指數)를 이용하여 군집(群集)의 계절적 변화를 집낙분석(集落分析)한 결과 이 지역의 해조상(海藻相)은 수온상승(水溫上昇) 기해조상(期海藻相)(1-7월)과 수온하강기해조상(水溫下降期海藻相)(8-12월)으로 류사도(類似度) 45% 수준에서 크게 2개의 집낙(集落)으로 나누어진다. 또 수온상승기해조상(水溫上昇期海藻相)은 다시 겨울 해조상(海藻相)(1-4월)과 봄-여름 해조상(海藻相)(5-7월)으로 2개의 소집낙(小集落)으로 구분되었으며 이때 구분 수온은 $14^{\circ}C$였다. 또한, Cheney의 R+C/P수치에 의하여 밝혀진 해조상(海藻相)의 특징은 온대성(溫帶性)과 寒帶注(한대주)의 혼합해조상(混合海藻相)으로 나타났다.