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        강원도 화천군 수달(Lutra lutra) 서식지의 식생 구조

        서형수 ( Hyung Soo Seo ),신영섭 ( Young Seob Shin ),이경은 ( Kyung Eun Lee ),김윤미 ( Yoon Mi Kim ),전미나 ( Mina Jeon ),남택우 ( Taek Woo Nam ),한성용 ( Sung Yong Han ),정연숙 ( Yeonsook Choung ) 한국하천호수학회 2014 생태와 환경 Vol.47 No.special

        In order to determine whether vegetation would be one of the factors for the selection of otter home range, vegetation structure and other potential factors were studied in Hwacheon, Korea. Thirteen sites, otter’s activity found and not found, were investigated in North Han River and connected tributary streams of Hwacheon-gun. Three types of vegetation were classified by cluster analysis, which is short grass, tall grass and shrub type. Vegetation zone of each channel is composed of either one type, or mosaic of tall grass and shrub type. Short grass type is common in Lake Paro and upper North Han-river where water level is highly variable throughout a year. Therefore, annual species such as Persicaria nodosa, Fimbristylis dichotomam and Chenopodium ficifolium are the most dominant. Shrub type is common at the downstream sites of Jichon stream and along mainstream of North Han River down Lake Paro. A shrub species, Salix koreensis, is the most common. Tall grass type is dominant occupying the most vegetation zone of the tributary channels. Phragmites japonica is absolutely dominant. Due to its dense cover, a few plant species are co-existed. Otter activity was found in all three vegetation types and no marked activity was found at some sites of tall grass type. There is no difference in species composition and physiognomy between tall grass sites with and without otter activity, while it shows significant difference in fish availability between two groups. Overall we found that home range of otters in the region is along the mainstream and downstream of tributary streams with high fish availability in all vegetation types and in various human activity levels.

      • KCI등재
      • KCI등재
      • KCI등재
      • KCI등재

        송현천에 서식하는 멸종위기어류 버들가지 Rhynchocypris semotilus (Pisces: Cyprinidae)의 섭식생태

        권혁영 ( Hyeok-yeong Kwon ),서형수 ( Hyung-soo Seo ),고명훈 ( Myeong-hun Ko ) 한국어류학회 2024 韓國魚類學會誌 Vol.36 No.1

        To reveal the feeding ecology of Rhynchocypris semotilus, the survey was conducted in Songhyeoncheon, Songhyeon-ri, Hyeonnae-myeon, Goseong-gun, Gangwon-do in April 2022. As a result of analyzing the contents of the stomach using the index of relative importance (IRI), the important prey organisms were mainly Trichoptera (46.6%), Ephemeroptera (27.6%), Diptera (12.6%), Odonata (9.7%), Plecoptera (2.8%), Coleoptera (0.6%), and Hemiptera (0.1%) of Class Insecta, Phylum Arthropoda in that order. As a result of analyzing the trend by calculating the index of relative importance (IRI) for each age, it was found that those born in the same year mainly feed on relatively small Ephemeroptera and Diptera, but the proportion of these gradually decreases as they grow. And the proportion of relatively large Trichoptera and Odonata gradually increased, turning them into the most important food source for those over 3 years old. Additionally, prey size was the smallest at 2.8±2.5 (0.6 to 9.0) mm for individuals born in the same year, but gradually increased to 5.1±6.1 (1.1 to 17.0) mm for individuals born more than 3 years. As a result of examining prey selectivity, Plecoptera (+0.78), Trichoptera (+0.66), Coleoptera (+0.66), and Hemiptera (+0.03) showed positive selectivity, while Amphipoda ( - 1.00), Ephemeroptera ( - 0.24), Odonata ( - 0.13) and Diptera ( - 0.05) showed negative selectivity.

      • KCI등재

        중부산악 DMZ 민통선이북지역의 담수어류 출현양상

        명라연 ( Ra-yeon Myung ),서형수 ( Hyung-soo Seo ),고명훈 ( Myeong-hun Ko ) 한국환경생태학회 2020 한국환경생태학회지 Vol.34 No.6

        중부산악 DMZ 민통선이북지역의 담수어류 출현양상을 밝히기 위해 2018년 5월부터 10월까지 조사를 실시하였다. 조사기간동안 24개 지점에서 족대와 투망으로 12과 43종 7,744개체를 채집하였고, 우점종은 참갈겨니(30.3%), 아우점종은 피라미(18.5%)였으며, 그 다음으로 버들치(10.0%), 버들개(6.7%), 돌마자(5.9%), 묵납자루(4.5%), 돌고기(4.2%), 대륙종개(2.6%), 등의 순으로 우세하게 출현하였다. 출현종 중 법정보호종은 천연기념물 어름치 1종, 환경부지정 멸종위기야생생물 II급의 다묵장어, 묵납자루, 가는돌고기 3종 등 모두 4종이, 한국고유종은 20종(46.5%)이 채집되었다. 또한 기후변화민감종(냉수성어류)은 금강모치와 새미, 둑중개 3종이, 육봉형 어류는 다묵장어와 둑중개와 밀어 3종이, 외래종은 배스 1종이 출현하였다. 지점별 우점종은 참갈겨니(15개 지점), 피라미와 버들치(4개), 둑중개(1개)였으며, 우점도는 상류부에서 하류부(김화남대천 본류)로 갈수록 낮아지고, 반대로 다양도와 종풍부도는 상류부에서 하류부로 갈수록 높아졌다. 군집구조는 크게 최상류, 상류, 한강, 임진강으로 구분되었다. 선행조사와 비교한 결과, 본 조사에서 가장 많은 종(43종)이 채집되었고, 새로 채집된 어류는 2종(참중고기, 배스), 채집되지 않은 종은 6종(쏘가리, 대농갱이, 열목어, 흰줄납줄개, 왜매치, 왜몰개)이었다. 김화남대천은 법정보호종(4종)을 비롯한 많은 종이 서식하고 다양도와 풍부도지수가 높아 생물학적 가치가 높았고, 끝으로 이 지역의 보전방안에 대해 논의하였다. This study surveyed the central mountain area of Demilitarized Zone (DMZ) from March to October 2018 to reveal the appearance patterns of freshwater fish. We collected 7,744 individuals of 43 species in 12 families with skimming nets and cast nets in 12 stations during the survey. The dominant species was Zacco koreanus (30.3%), and the subdominant species was Z. platypus (18.5%), followed by Rhynchocypris oxycephalus (10.0%), R. steindachneri (6.7%), Microphysogobio yaluensis (5.9%), Acheilognathus signifer (4.5%), Pungtungia herzi (4.2%), and Orthrias nudus (2.6%). Among the collected species, four were legally protected. They included Hemibarbus mylodon, which was a natural monument, and Lethenteron reissneri, A. signifer, and Pseudopungtungia tenuicorpa, which were class II endangered wildlife designated by the Ministry of Environment. Twenty Korean endemic species (46.5%) and one exotic species, Micropterus salmoides, were also collected. Additionally, three climate-change sensitive species, R. kumgangensis, Ladislavia taczanowskii, and Cottus koreanus, and three landlocked species, L. reissneri, C. koreanus, and Rhinogobius brunneus appeared. The dominant species in each station were Z. koreanus (15 stations), Z. platypus (four stations), R. oxycephalus (four stations), and C. koreanus (one station). The species dominance index decreased from upstream to downstream (mainstream of Gimhwanamdae Stream), while the species diversity index and the species richness index increased. The community structure of the rivers was divided into the uppermost stream, upper stream, Han River, and Imjin River. Compared to antecedent surveys, this study collected the highest number of species. Two new species (Sarcocheilichthys variegatus wakiyae and Micropterus salmoides) were caught, while six species (Siniperca scherzeri, Leiocassis ussuriensis, Brachymystax lenok tsinlingensis, Rhodeus ocellatus, Abbottina springeri, Aphyocypris chinensis) did not appear. Gimhwanamdaecheon Stream has high biological value with the inhabitation of many species, including species under legal protection and high diversity and richness index scores. This paper also discussed a protection plan for this area.

      • KCI등재

        조각난 경관에서 멸종위기종 붉은점모시나비의 서식지 패치 네트워크 분석과 보전

        김도성,박성준,조영호,김기동,도재화,서형수,신영규,서민환,오길종,Kim, Do-Sung,Park, Seong-Joon,Cho, Young-Ho,Kim, Ki-Dong,Tho, Jae-Wha,Seo, Hyung-Soo,Shin, Young-Kyu,Suh, Min-Hwan,Oh, Gil-Jong 한국응용곤충학회 2012 한국응용곤충학회지 Vol.51 No.1

        종에 대한 생태적 특성과 서식지에 대한 이해는 종의 보전에 매우 중요하다. 본 연구는 멸종위기에 처해있는 붉은점모시나비의 생태적 특성을 바탕으로 서식지 패치네트워크를 분석하였다. 그 결과 포획 개체수는 188개체, 재포획은 220회 되었다. 그리고 암수의 비율은 42:146개체로 암컷보다는 수컷이 약 4배 많은 것으로 나타났다. 또한 개체의 평균생존일수는 $3.93{\pm}3.93$일(수컷: $4.0{\pm}3.9$, 암컷: $2.5{\pm}1.0$), 암컷과 수컷의 최대 생존일수는 각각 13, 14일 나타났고, 수컷이 암컷에 비하여 오래 생존하는 개체가 많은 것으로 나타났다. 종의 평균이동거리는 377 m을 보였으며 최대 1550 m까지 이동하는 것으로 나타났다. 패치연결성과 개체생존이주율의 추정에서 패치간의 거리가 약 300 m 이내가 종의 이주에 적합하며 600 m 이상 떨어질 경우 개체생존이주율이 급격하게 감소하는 것으로 나타났다. 또한 종의 이주 빈도는 근접한 거리에서 다수의 패치가 있는 곳에서 활발하게 일어나고 있어 종의 보전을 위해서는 근접한 거리에 다수의 패치가 필요함을 알 수 있었다. 이번 연구 결과는 붉은점모시나비의 서식지 특성이 분석되어 종 보전을 위한 서식지 디자인 및 설계에 유용하게 사용될 수 있을 것으로 본다. Understanding the ecological complexity and habitat of a species are crucially important to conserve an endangered species. This study evaluated the patch network ecology of the endangered species $Parnassius$ $bremeri$. The results indicated that 188 individuals were captured and 220 were recaptured, respectively. The sex ratio of female: male was 42:146; males were four times more abundant than females. The average longevity of an adult was $3.93{\pm}3.93$ days (male, $4.0{\pm}3.9$; female, $2.5{\pm}1.0$ days); the maximum longevity was 14 days for males and 13 days for females, respectively. Therefore, the expected longevity of males was longer than that of females. The average emigration distance for the species was 377 m, and the maximum emigration distance was 1550 m. The analysis of patch connectivity and individual colonization revealed that the ideal distance between patches was about 300 m. Moreover, a >600 m patch distance decreased the colonization rate severely. We also observed higher immigration and emigration between patches that were clustered in close proximity. This leads us to conclude that a higher number of patches at a close distance is best suited for $P.bremeri$. We find these results to be crucial to determine a policy to protect and conserve this endangered species.

      • KCI등재

        인천, 경기 지역 무인도서의 식물상에 관한 연구

        송세규 ( Song Se-gyu ),최승세 ( Choi Seung-se ),신현철 ( Shin Hyun-chul ),서형수 ( Seo Hyung-soo ),박진영 ( Park Jin-young ),차진열 ( Cha Jin-yeol ),김철환 ( Kim Chul-hwan ) 한국도서(섬)학회 2021 韓國島嶼硏究 Vol.33 No.4

        전국 무인도서 자연환경조사와 특정도서 정밀조사를 통해 인천, 경기 지역 무인도서에서 확인된 관속식물은 115과 401속 691종 7아종 76변종 7품종의 총 781분류군으로 확인되었다. 이는 최근에 유입된 귀화식물을 포함한 한반도 전체의 4,596종의 약 17%에 해당된다. 양치식물 29분류군, 나자식물 6분류군, 피자식물의 쌍자엽식물 582분류군, 단자엽식물 164분류군으로 집계되어 한반도 전체 비율에 비해 양치식물과 나자식물의 종 다양성이 다소 낮은 것으로 분석되었다. 식물상은 나도밤나무, 합다리나무, 동백나무를 비롯하여 다수의 남방계식물이 분포하는 특성을 갖는 점에서 식물구계학적으로 남부아구에 가깝다. 식물상의 종다양성은 대체로 도서의 면적에 비례하고, 인위적인 간섭이 많은 도서일수록 귀화식물의 수는 증가하였다. 환경부 지정 멸종위기 야생생물은 발견되지 않았으며, 전체적으로 고유종은 병꽃나무를 비롯하여 외대으아리, 은꿩의다리, 새끼노루귀, 태안원추리, 털중나리 등 16분류군, 식물구계학적 특정식물은 Ⅴ등급은 개정향풀을 비롯하여 두메대극, 민솜방망이 3분류군, Ⅳ등급은 회리바람꽃, 산마늘 등 11분류군, Ⅲ등급은 멀꿀, 감탕나무, 곽향 등 36분류군, Ⅱ등급은 세뿔석위, 해당화, 초종용 등 38분류군, Ⅰ등급은 소사나무, 선괭이눈, 쥐방울덩굴 등 79분류군 등 총 167분류군, 그리고 귀화식물은 소리쟁이, 아까시나무, 좀명아주, 닭의덩굴 등 53분류군이 생육하는 것으로 나타났다. 또한 각 무인도서의 귀화율을 분석하였으며 황산도엣 가장 높은 14.4%로 확인되었다. 생태계교란 생물에 해당되는 식물로는 돼지풀, 애기수영, 가시박, 미국쓱부쟁이, 가시상추, 환삼덩굴 등 6종이 확인되었다. 특히 황산도에는 돼지풀, 환산덩굴, 미국쑥부쟁이, 가시상추 등 4종의 생태계교란 식물이 발견되어 인접 무인도의 확산 방지를 위하여 각각의 생육특성 및 생리학적 특성 파악을 통하여 종자산포 이전에 적극적인 방제 조치를 취해야 할 것으로 판단되었다. 학술적으로 중요하거나 특기할 만한 식물로는 개정향풀, 앵도나무, 큰천남성, 두루미천남성 등이었다. 식물의 생존과 번성을 위협하는 가장 중요한 요인으로 방목된 염소로 조사되었으며, 이에 대한 관리대책이 필요할 것으로 예상되었다. 한편, 개석송과 산오이풀을 비롯하여 일부 식물들은 종 분포적 특성을 감안할 때 오동정된 것으로 판단되어, 향후 조사시 주의 깊게 관찰할 필요가 있는 것으로 판단되었다. Through a National survey of the natural environment of Uninhabited islands and a detailed survey of the Specific islands, vascular plants of uninhabited islands in Incheon and Gyeonggi-do provinces were identified as a total of 781 taxa of 115 families, 401 genera, 691 species, 7 subspecies, and 76 varieties. This taxa accounts for about 17% of the 4,596 species on the entire Korean Peninsula, including recently introduced naturalized plants. The flora was counted as 29 taxa of pteridophytes, 6 taxa of gymnosperms, 582 taxa of dicotyledon of angiosperms, and 164 taxa of monocotyledon plants, while it was analyzed that the species diversity of pteridophytes and gymnosperms, was somewhat lower than the total ratio of the Korean Peninsula as a whole. The flora is close to the southern subgroup phytologically in that it has the characteristics of distribution of a number of southern plants, including Meliosma oldhamii, Carpinus erosa and Camellia japonica. The diversity of flora is generally proportional to the area of the islands, and the number of naturalized plants increased in islands with more anthropogenic interference. No endangered wildlife designated by the Ministry of Environment were found, and 16 taxa (Weigela subsessilis, Clematis brachyura, Thalictrum actaefolium var. brevistylum, Hemerocallis taeanensis, etc.) were found for endemic species , 167 taxa (Ⅴ level 3 taxa, Ⅳ level 11 taxa, Ⅲ level 36taxa, Ⅱ level 38 taxa, Ⅰlevel 79 taxa) for floristic target species, and 53 taxa (Rumex crispus, Robinia pseudoacacia, Chenopodium ficifolium, Fallopia dumetorum etc.) for naturalized plants. The ecosystem of Disturbed Plants were identified as 6 taxa (Ambrosia artemisiifolia, Rumex acetosella, Sicyos angulatus, Aster pilosus, Lactuca scariola, Humulus japonicus). The vascular plants that were academically important or noteworthy were Apocynum lancifolium, Prunus tomentosa, Arisaema ringens and Arisaema heterophyllum. Grazing goats were investigated as the most important factor threatening the survival and prosperity of plants, and management measures were expected to be necessary. On the other hand, it was judged that some plants, including Lycopodium annotinum and Sanguisorba hakusanensis, were misidentified in consideration of the species distribution characteristics, and needed to be carefully observed during future investigations.

      • KCI등재후보

        밀 品種 올밀과 야생 thinopyrum과의 屬間交雜 및 雜種植物의 특성

        Jong Min Ko(高鍾旻),Dong Su Park(朴東洙),Duck Yong Suh(徐得龍),Hyung Soo Suh(徐亨洙),Bong Bo Seo(徐奉甫) 한국육종학회 1996 한국육종학회지 Vol.28 No.1

        Intergeneric hybridizations have been carried out between Triticum aestivum cv. Olmil and 4 Thinopyrum species. Premature embryos were obtaind from cross combinations of T aestivum cv. Olmil pollinated with Th. junceum, Th. ponticum and Th. caespitosum, and ratios of premature embryo used for embryo rescue were 3.1%, 2.6% and 1.8%, respectively. In the crosses of Olmil and Th. junceum, 13 hybrids were regenerated by the embryo rescue technique, and fifteen hybrids from the crosses of Olmil and Th. ponticum were also obtained. The hybrids of Olmil(2n=6x=42) and Th. junceum(2n=6x=42) were hexaploid(2n=6x=42) while the hybrids of Olmil(2n=6x=42)×Th. ponticum(2n=10x=70) were octaploid(2n=8x=56), and both hybrids were sterile due to irregular chromosome pairings in meiosis. Agronomic charateristics of these hybrids were intermediate between their parents. Hybrids of Olmil and Th. ponticum can be divided into two groups, annual 4 plants resembling wheat and perenial 11 plants resembling Thinopyrum.

      • 利用人員이 不規則한 建築物 計劃에 關한 硏究 : 東海岸 主要都市 宿泊 施設 中心으로 Forcused on the accommodation facillities in Major Cities of East Coast Area

        서형수,김효남 三陟大學校 産業科學技術硏究所 2004 産業科學技術硏究論文集 Vol.9 No.1

        Young-Dong Area has many different tourist attractions such has beaches, mountains and valleys which require to accommodate different number of people at different times and seasons throughout the year. This fact brings in the complexity of irregular use of buildings, especially for those who run accommodation business. In this study, Sokcho, Yang Yang, Gangneung, Donghae and Samcheok are selected to be observed of the characteristic and the prospect of each city with respect to the tourist accommodation industry by analysing the population statistics, tourist trend, tourist accommodation legislation status and its trend. The purpose of this study is to evaluate the current status of accommodation facilities of East Coast Area in terms of architectural scale planning and to provide basis for the planning of buildings by analysing the scale planning of selected case studies. For case studies, 11 hotels were selected analysis of site/building area, number/area of guest rooms, leisure facilities, and area ratio according to the function were carried out.

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