침입외래종 붉은귀거북의 제주도 내 분 포 및 현황

오홍식,박선미,PradeepAdhikari,김유경,김태욱,한상현 한국환경생물학회 2017 환경생물 : 환경생물학회지 Vol.35 No.1

This study was conducted to determined the status and geographical distribution of the alien invasive Red-eared slider (Trachemys scripta elegans) turtle on Jeju Island. We found thirty-two Red-eared slider habitats including twenty-five ponds, five agricultural reservoirs, a puddle and a stream. Among those, thirteen sites are newly determined habitats of the turtle. The remaining nineteen are previously reported. However, we could not find any turtles at nine sites, which were documented as turtle habitats in earlier reports. A total of one hundred thirty-three turtles were observed. Among them, we determined that thirty-nine were juvenile turtles, found in nineteen different habitats, indicating estimating that Red-eared sliders produced their progeny in the wild of this island. Because of geographical isolation by the ocean, no freshwater turtle had been found until 19th Century. Therefore, the increased number of finding sites and Red-eared sliders indicate the possibility of human release of their pets or for other purposes, and natural propagation in the wild on Jeju Island. Our findings will be useful for management planning to deal with this invasive species, and implementation of a conservation program for native wildlife on Jeju Island.

석주명의 한국산 나비 연구 3부작 토론문

오홍식 제주학회 2018 제주학회 학술발표논문집 Vol.2018 No.2

개선된 계단 배기 방법을 이용한 혈압 측정

오홍식,이종실,지영준,김인영,Oh, Hong-Sic,Lee, Jong-Shill,Chee, Young-Joon,Kim, In-Young 대한의용생체공학회 2010 의공학회지 Vol.31 No.5

In the automatic non-invasive blood pressure measurement device, the oscillometric method iswidely used. In the oscillometric method, the step-wise deflation has the advantage of the robustness for the motion artifacts than the linear deflation method. But it has the disadvantage of its longer measurement time because we need to detect two or more pulses in a certain cuff pressure step. In this study, we suggest the modified step-wise deflation method to overcome this limitation while maintaining the general concept of step-wise deflation. Using one valid pulse in each step and the deflating valve control during the diastolic period, the measurement time could be reduced. In order to verify the accuracy of the proposed algorithm, we compared the blood pressure values from the suggested method and the blood pressure values from the conventional auscultation method. The mean and standard deviation were -0.50${\pm}$5.3mmHg and 2.08${\pm}$4.75mmHg, for systolic and diastolic blood pressure respectively. The measurement time can be reduced up to the half of conventional step-wise deflation method.

한라산국립공원의 조류군집

오홍식 제주대학교 기초과학연구소 2002 基礎科學硏究 Vol.15 No.1

본 연구는 한라산국립공원에 서식하고 있는 조류의 군집특성을 파악하기 위하여 2001년 4월부터 2002년 2월까지 조사되었다. 조사기간 동안 서식이 확인된 조류는 모두 72종 15,621개체였다. 관찰된 조류를 계절별 이동형으로 분류해보면, 텃새가 34종, 여름철새가 19종, 겨울철새가 11종이었으며 나머지 8종은 통과조류였다. 가장 많은 조류가 관찰된 서식지는 낙엽활엽수림지대로 69종 9,066개체였다. 한라산은 임연부에서 관목림에 걸쳐, 상록수림, 저지대의 혼효림, 낙엽활엽수림, 고지관목림 4가지형의 연속적인 식생의 다양성을 보여주고 있는데, 낙엽활엽수림대와 혼효림대에는 박새 Parus major, 직박구리 Ixos amaurotis, 큰부리까마귀 Corvus macrorhynchos가, 저지대의 혼효림대에는 큰부리까마귀, 직박구리, 참새 Passer mantanusm, 박새, 고지대의 관목림대에는 큰부리까마귀, 진박새 P. ater, 박새, 상록활엽수림대에는 큰부리까마귀, 직박구리, 멧비둘기 Streptopelia orientalis가 우점을 차지하고 있었다. 고도별로 각각의 종들이 해발고도별로 다른 분포양상을 보였는데, 이는 서식에 필요한 다양한 자원을 효과적으로 얻기 위한 적응수단인 것으로 보인다. The study conducted here is designed to clarify the characteristics of bird communities in Mt. Hall National Park, Jeju Island. For this study, 15,621 individuals among 72 species of birds are recorded during the period of April 2001 to February 2002. Thirty-four species were residents, nineteen summer visitors, eleven winter visitors and the others migrants. The maximum number of birds observed in the deciduous broad-leaved forest is 69 species and 9,066 individuals, respectively. Four types of groups of dominant species are noticed in the varying plant communities ranging from the forest edge to the scrub forest: Parus major, Ixos amaurotis and Corvus macrorhynchos in the deciduous broad-leaved forest and in the mixed (broad and needle) forest, C. macrorhynchos, I. amaurotis, Passer montanus and P. major in mixed forest of the lower montane zone, C. macrorhynchos, P. ater and P. major in the scrub forest and C. macrohychos, I. amaurotis and Streptopelia orientafis in an evergreen broad-leaved forest. There are different distributional patterns of birds in terms of the altitude. It is observed that there is difference in habitat preference or selection of each species, as well.

제주도의 환경자산과 생물자원의 현황과 미래를 논하다

오홍식 제주학회 2022 제주학회 학술발표논문집 Vol.2022 No.2

제주도의 천연기념물 조류 동계 조사

오홍식 제주대학교 해양과환경연구소 2001 해양과환경연구소 연구논문집 Vol.25 No.-

This study was part of continuous research project on the status of birds designated as Natural Mounments by the korean government. This study was conducted once each month for six months, from October 2000 to March 2001. The investigated location are mainly three areas. The first census area was Hado-ri fishfarm and the coast of Jongdal-ri in Kujaw-up. The second census area was all of Sungsan-po fishfarm in Sungsan-up, al located in the eastern part of Jeju Island. The third census areas were Yongsu-ri reservoir and the coast of Kumdung-ri in Hangyoung-myon, and the coast of Ilgwa-ri in Dejong-up, all located in th western part of Jeju Island. 1. The birds designated as Natural Mounments were recorded in these sites, which were Ciconia nigra, Platalea leucordia, P. minor, Aix galericulata, Anser cygnoides, Branta bernicla, Cygnus cygnus, Grus vipio and eight more species in the survey areas during the research. 2. The dominant species was Aix galericulata 9,564 individuals (96.61%), followed by Platalea minor 107 individuals(1.08%), and then Falco tinnunculus 67 individuals(0.68%), Falco peregrinus 43 individuals(0.68%) 3. The others bird: In total, 133 species consisting 36,205 individuals birds were observed during the census period. There were 121 species and 13,141 individuals in Hado-ro fishfarm, 91 species and 10,255 individuals in Sungsan-po fishfarm, and 104 species and 12,809 individuals in the western area. The dominant species, represented as monthly peak counts, were Anas penelope, A. strepera, A. poecilorhyncha, A. platyrhynchos, Larus argentatys, L. crassirostris, Corvus corone and C. frugllegus. 4. This survey area used for a suitable roosting and feeding place by many waterbirds. Thus, there is a need of critical plans for the conservation and management of birds wintering in this area which includes the prevention of deteriorating habitat quality and preservation of species diversity.

차귀도의 조류상

오홍식 濟州大學校 基礎科學硏究所 2003 基礎科學硏究 Vol.16 No.2

본 연구는 2002년 2월~9월에 차귀도에 서식하는 조류의 서식현황을 조사하였다. 조사기간동안 관찰된 조류는 모두 39종이었다. 서식현황별로는 텃새가 21종으로 가장 많았고, 다음으로 여름철새가 8종, 겨울철새가 7종이었으며, 나머지 3종은 통과조류였다. 우점종으로는 재갈매기 Larus argentatus, 괭이갈매기 Larus crassirostris, 흰뺨검둥오리 Anas poecilorhyncha, 가마우지 Phalacrocorax capillatus, 칼새 Apus pacificus, 바다직박구리 Monticola solitarius 등이었다. 종 다양도 지수 (H￣)는 3.95-4.31, 종 풍부도 지수는 4.650이었다. 관찰된 조류중법적 보호조류는 환경부가 지정한 멸종 위기조류인 매 Falco peregrinus와 보호조류인 솔개 Milvus migrans, 새홀리기 Falco subbuteo 등3종이었다. A bird survey conducted in Chagwido Island from February to September 2002. A total of 39 bird species was recorded including forest, shrubgrassland and water birds. Among the total 39 species, 21 resident, 8 summer visitor 7 winter visitor, and three passenger migrant were identified in migratory pattern categories. Main bird species are Phalacrocorax capillatus, Anas poecilorhyncha, Larus crassirostris, Larus argentatus Monticola solitarius, Shannon-Weaver species diversity indices (H￣) ranged from 3.95 to 4.31, and the index of bird species richness was 4.650. Three species (Falco peregrinus, Mulvus migrans and Falco subbuteo) - the protected wildlife species designated by the Ministry of Environment was also observed.

해방 이후 제주도 육상고등동물상 연구 현황

오홍식 제주학회 2018 제주학회 학술발표논문집 Vol.2018 No.1

제주도 해안 육조류의 군집구조에 관한 분석

오홍식,박행신 제주대학교 환경연구소 1993 환경연구논문집 : 제주대 Vol.1 No.-

The length of shoreline of Cheju Island is about 253 Km and the geographical features of seaside can be divided into wet land, sand beach, coast cliff and rock bed. The survey was done once a month from August, 1990 to July, 1991 at eight areas which stretched for 2 Km each along the sea side. 1. The total number and species birds observed during survey period were 3,083 and 47 respectively, And the dominat species were Passer montonus, Carduelir sinica ussuiensis, Alauda arvensis in order. 2. The highest and lowest percentage of the total individual number per family among observed birds were 24.00% of Ploceidae and 0.03% of Cuculidae respectively. 3. The highest and lowest number of species per month were 25 of May and 13 of September respectively. 4. The community of birds was composed of 5 species of summer birds, 1 species of winter birds, 8 species of resident, 27 species of passage migrant and 6 species of the others. 5. The regression line between the number of individuals and species showed 5% significance and its the correlativity was very high. 6. From the result of log n+ax_(n) = b equation, the community structure of January was most simple and that of November was cimplex. The highest and lowest common Ratio by the month were January and November respectively. 7. The diversity was high throughout the two months of February and December and was low in September and October.

제주도 초지대 조류의 군집에 관한 연구

오홍식,박행신 濟州大學校 師範大學 科學敎育硏究所 1993 科學敎育 Vol.10 No.1

An investigation into a bird community on grassland in Cheju Island was performed in 4 location : north, south, east and west which are selected as ecotone within a radius of 2km of Mt. Halla. The survey was done twice a month from July 1988 to June 1989 at 4 areas. 1. The total number and species birds observed during survey period were 2,758 and 55 respectively. And the dominant species were Hypsipetes amauroatis Parus major, Passer montarus in order. 2. 7 species were observed continuously during the all period of the survey, 22 species were observed for only a month. There was no species which was observed during the 4 month and 11 month periods of investigation 3. The regression line between the number of individuals and species showed 5% significance and its the correlativity was very high. 4. From the result of log. + ax. = b equation of MOTOMURA, the community structure of January was most simple and the order month was complex. 5. The diversity was high throught the three months of July, March, June and was low in August and January.