• Animal Systematics, Evolution and Diversity
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• 제36권1호
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• pp.60-77
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• 2020

Cecidomyiidae (Diptera) consists of six subfamilies, which are divided into three groups according to larval ecological habits (phytophagous, mycophagous, and zoophagous). The five basal subfamilies of Cecidomyiidae consist entirely of mycophagous species, with approximately 1500 species described worldwide and 29 previously known to occur in Korea. In this study, 37 named species (1 Lestremiinae, 29 Micromyinae, 4 Winnertziinae, and 3 Porricondylinae species) are newly reported from South Korea. We excluded Lestremia yasukunii Shinji from the list of Korean mycophagous cecidomyiids as it is a nomen nudum. Therefore, we herein officially recognize 65 species, 30 genera, and four subfamilies for the Korean mycophagous cecidomyiid fauna. We also provide diagnoses and photographs to aid species identification and discussion on the four years of gall midge taxonomic inventory in South Korea.

• Journal of Microbiology
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• 제38권2호
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• pp.62-65
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• 2000

Partial sequence comparisons of mitochondrial small subunit rDNA (mt SSU rDNA) were used to examine taxonomic and evolutionary relationships among seven Penicillium species : two monoverticillate species, two biverticillate species, and three terverticillate species. Amplified fragments of mt SSU rDNA highly varied among seven species in size, suggesting the existence of multiple insertions or deletions in the region. A phylogengtic tree was constructed by exhaustive search of parsimony analysis. The phylogenetic tree distinguished two statistically supported monophyletic groups, one for two monoverticillate species and the other for three terverticillate species and ont biverticillate species, P. vulpinum. The phylogenetic relationship of P. waksmanii, the biverticillate species, was not clear.

• 한국산림과학회지
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• 제98권4호
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• pp.472-478
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• 2009

백두대간 마루금일대에 잔존하고 있는 소나무림 58개소를 대상으로 식물사회학적 조사와 TWINSPAN 집락 분석을 통하여 식생형 그 식물상 조성 및 생활형 특성 등이 분석되었다. 식생형은 크게 가는잎그늘사초형에 속하는 4개 그룹과 구상나무-조릿대형에 속하는 1개 그룹 등 모두 5개 그룹으로 유형화되었다. 종풍부도는 국화과(26종)가 가장 높게 나타났고, 다음으로 백합과(21종), 장미과(18종), 자작나무과(11종) 등의 순으로 나타났으며, 27개 과는 1종만 출현하였다. 속풍부도의 경우도 종풍부도와 비슷한 경향을 보였으며, 41개 과는 1속만 출현하였다. 총피도 기여율은 참나무과(19.0), 소나무과(16.7), 진달래과(15.1) 등의 순으로 높게 나타났다. 국화과, 백합과, 장미과, 자작나무과, 산형과 등은 종풍부도가 상대적으로 높음에도 불구하고 총피도 기여율이 아주 낮은 경향을 보였다. 종풍부도와 가장 높은 상관관계를 보이는 생활형은 생육형과 산포기관형으로 나타났으며, 각 생활형 분류군 사이의 상관관계는 종풍부도와 생활형 사이의 그것에 비해 낮은 상관관계를 나타내었다.

• 한국환경과학회지
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• 제22권12호
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• pp.1551-1559
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• 2013

This study was conducted to compare benthic macroinvertebrate communities of urban stream and nature stream in Daegu-si, Gyeongju-si, Gyeongsan-si, Andong-si, and Cheongsong-gun. The survey was carried out with 12 points in total six points for urban stream, six points for nature stream from Sept. 2011 to July 2012. In the urban stream were 33 species belonged to 24 families, 11 orders, 7 classes and 4 phyla while in the nature stream were 73 species belonged to 38 families, 12 orders, 5 classes and 4 phyla. In general, species diversity indices and species richness indices appeared low in urban stream but dominance indices was high. Functional feeding groups and Habitat Oriented Groups appeared comparatively simple in urban stream rather than nature stream. As a result of analysis of community stability, species included to area I and area III equally appeared in nature stream while species included to area I mostly appeared in urban stream. An analysis of the correlation between the population density and the number of species, the population number and biological indicators such as DI, H', RI, and ESB revealed that there was a significant correlativity with the diversity index and a very high correlativity with the number of species, abundance index and the ESB. On the other hand, the population number and the dominance index did not reveal any correlativity. For indicator species, Hydroptila KUa, Physa acuta appeared in urban stream while Paraleptophlebia chocolata, Epeorus pellucidus appeared in nature stream.

• 한국수산과학회지
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• 제48권4호
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• pp.529-541
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• 2015

We examined the species composition and community structure of demersal fish in the middle and southern coastal waters of the East Sea of Korea by surveying a commercial Danish seine fishery from 2010 to 2013. We considered the waters north of $37^{\circ}N$ as middle and those south of $37^{\circ}N$ as southern waters. A total of 79 demersal fish species belonging to 18 families were collected. Of these, 59 species (77.6%) inhabited only the East Sea as opposed to the West and South Seas of Korea, and most were resident species. The species and biomass were similar between the two portions of the study area. The sandfish Arctoscopus japonicus (78.0%) and the blackfin flounder Glyptocephalus stelleri (65.1%) were the most common species and accounted for the most biomass in the middle and southern waters, respectively. Fish were most abundant at shallow depths (50-100 m) in the middle portion of the East Sea. Using a cluster analysis, we divided the species composition and community structure at the sampling stations into three groups: middle portion (group A), deep area of the southern portion (group B), and shallow areas of the southern portion (group C). A. japonicas and G. stelleri were dominant in groups A and B, while G. stelleri and Clupea pallasii were dominant in group C.

• Journal of Forest and Environmental Science
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• 제28권1호
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• pp.56-62
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• 2012

There is little information about appropriate greenspace structures to satisfy aesthetic function in Korea. The purpose of this study was to analyze Korean's aesthetic preferences for greenspace structures concerned with urban tree plantings of an areal type to explore desirable greenspace landscapes. The study considered 5 structural variables of greenspace which were species composition, tree density, tree size, vertical and horizontal structure, and tree layout pattern. A photo-questionnaire was prepared through color simulations of different landscape types for each structural variable. Preference responses of an interval-scale rating from 214 respondents were statistically analyzed between landscape types and between respondent groups. Respondents preferred greenspace landscapes with diverse tree species to single species, higher tree density to lower density, larger trees to many smaller trees, multilayered and grouped plantings to single-layered and sparse plantings, and informal pattern to formal pattern. These preferences tended to be relatively higher for educated specialist and student groups than for other generalist group. Thus, multilayered and dense plantings in natural pattern including larger trees of diverse species, which are similar to ecological plantings, are recommended to increase aesthetic function of greenspace.

• 미생물학회지
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• 제6권1호
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• pp.6-11
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• 1968

Through the present experiment the various Aspergilli have been isolated from 53 Meju specimens (fermented soy bean cake) which were collected from 43 local areas in Korea and those of them are arranged as 6 different groups: Asp. flavus-oryzae group (38 strains), Asp. niger group (11 strains) Asp. nidulans group (5 strains), Asp. clavatus group (4 strains), Asp. fumigatus group (3 strains), and Asp. ochraceus group (2 strains), as the result of identification of them by the group key of Thom and Raper. Further identifications of them according to the species keys of Thom and Raper, Yamata and Sakakuchi have been also conducted and the results obtained are following as: 1. Group members (38) of Asp. flavus-oryzae group are identified as. Asp. oryzae, Asp. oryzae var. fulvus, Asp. flavus. and Asp. parasiticus, not identified two different strains belong to this group. 2. Group members (11) of Asp. niger group are identified as Asp. niger and Asp. phoenicus. 3. Group members (5) of Asp. nidulans groups are identified as the same species, Asp. nidulans. 4. Group members (4) of Asp. clavatus group are identified as the same species, Asp. clavatits. 5. Group members (3) of Asp. fumigatus group are identified as the same species, Asp. fumigatus. 6. Group members (2) of Asp. ochraceits group are identified as the same species, Asp. sulphereus.

• 미생물학회지
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• 제38권1호
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• pp.19-25
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• 2002

Colletotrichum spp.는 광범위한 기주범위를 갖는 다범성균으로 각종작물에 피해를주는 중요한식물병원진균이다. 최근 국내에서 널리 재배되고 있는 단감, 사과, 복숭아, 포도 등에 탄저병 이 발생하여 많은 경제적 손실을 초래하고 있다. 탄저병원균의 경우 기존에는 주로 형태적 특징이나 배지 상에서의 특성, 기주에 대한 병원성의 차이에 의존하여 분류를 해 왔다. 그러나 최근에는 병원균의 분류에 있어 문제점을 해결하기 위하여 분자생물학적 방법을 이용하고 있다. 이에 본 실험에서는 Random Amplified Polymorphism DNAs (RAPD)와 Ploymerase Chain Reaction-Restriction Fragment Length Polymorphism (PCR-RFLP) 기법을 이용하여 단감나무에 탄저병을 일으키는 균들 간에 유연관계를 밝혔다. 유연관계 분석결과 크게는2개의 그룹으로 나뉘었고 작게는5개의 그룹으로 나뉘는 것을 알 수 있었다.

• 한국초지조사료학회지
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• 제17권4호
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• pp.345-350
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• 1997

수정된 Lincoln용액을사용하여 여러가지 목초의 상대생장율, 뿌리/지상부(RlS)비율, 상대적 뿌리 용적 및 표면적 등을 동시에 비교하기 위하여 수경재배법을 개발하였다. 수정된 Lincoln 용액에서 19가지 초종이 모두 잘 자랐으며, 뿌리특성 연구에 긴요하게 이용될 수 있었다. 상대생장율은 조사기간 동안 이상적으로 일정 값을 유지하며 같은 식물체로 성공적으로 측정할 수 있었다. Group 간과 마찬가지로 group 내에서도 초종간 RlS율에 큰 차이가 있었다. 뿌리 조직밀도는 두과목초나 herb보다 화본과에서 낮았다. 뿌리 면적지수는 화본과 목초와 herb가 높았는데 이 면적지수는 각각 다른 초종의 상대척 根界 평가에 유용하게 이용될 수 있을 것으로 사료되었다.

• 한국환경생태학회지
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• 제18권2호
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• pp.150-157
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• 2004

백두대간 능선부의 식생구조를 파악하고자, 백두대간 수령-소사고개구간 능선부에 10개의 방형구(500$m^2$)를 설정하여 식생을 조사하였다. 식물군집을 분류한 결과 10개 조사구는 떡갈나무-물푸레나무군집, 신갈나무-물푸레나무군집, 신갈나무군집의 3개 군집으로 분류되었다. 백두대간 수령-소사고개 구간의 능선부는 대부분 신갈나무가 우점하고 있었으며, 일부에서 해발고가 낮은 지역에서 떡갈나무와 물푸레나무 등이 혼효하고 있었다. 조사지의 군집별 종다양성지수는 1.7295∼2.6525 범위로 백두대간에 위치한 국립공원들의 능선부 식생구조와 비슷하였다. 산림청에서 희귀식물로 등록한 흰참꽃나무가 삼봉산 주변 바위틀에서 여러 개체가 자라고 있었으며, 지속적인 모니터링을 함으로써 훼손대책을 강구할 필요가 있다.