• 한국환경생태학회지
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• 제9권2호
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• pp.99-114
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• 1996

오대산 국립공원의 곤충상(노린재목, 딱정벌레목, 나비목)을 밝히기 위해, 오대산 국립공원의 동피골야영장과 동대산 및 상원사지역에서 1995년 6월부터 9월까지 3회에 걸쳐 조사를 실시하였다. 조사결과 노린재목이 4과 15종, 딱정벌레목이 20과 40종, 나비목이 11과 42종이 분류 동정되었다. 이 중 노린재목 12종, 딱정벌레목 21종, 나비목 22종은 오대산에서는 처음으로 기록되는 종이었으며, 금번조사 결과를 포함하여 지금까지 밝혀진 오대산 지역의 노린재류는 8과 36종, 딱정벌레류는 26과 97종, 나비목은 31과 274종이 된다. 이번 조사결과와 문헌조사를 토대로 오대산지역의 노린재류, 딱정벌레류, 나비류의 종목록을 작성하였다.

• Journal of the Korean Wood Science and Technology
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• 제10권3호
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• pp.190-193
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• 1982

Conclusion: The results of this study are encouraging for the development of a set of interpretable diagnostic criteria for a reasonably reliable identification of some species. The present study has been limited in the characteristics studied and was made on relatively poor photography. Further study on high quality photography, over wider areas and including such additional characteristics as crown texture and shadow intensity should prove useful. A preliminary examination has been made of some photo-image characteristics of a number of important tree species on large scale (1:9,000) contact prints of panchromatic mm. The characteristics studied were crown image tone, and shape. Image tone was estimated against a standard grey-scale and shows within-species consistency and a range between species. Crown shapes were subjectively assessed but there appears to be a within-species consistency and interpretable between-species differences. The results of this trial suggest that it should be practicable to make a number of important species distinctions by photo-interpretation with a useful degree of reliability. Other characteristics beside those studied might be usefully examined. Photography: Hand-printed glossy contact prints of vertical 1:9,000 scale panchromatic photography of Kwangnung Experimental Forest flown May 1964. The filter used is unknown (probably minus-blue). The camera is unknown but was probably a military type K-17 or K-22 with 6"(apostfophy) lens. The photography shows notably poor resolution. Species: 143 individual trees ranging through 11 species (7 softwood, 4 hardwood) were included in the study. A range of size classes were included for each species.

• Journal of Forest and Environmental Science
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• 제34권2호
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• pp.126-135
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• 2018

Wood decay fungi were collected in 47 different locations in eight provinces of South Korea from 2011 to 2013. One thousand and five hundreds three fruiting bodies of wood-decay fungi were collected, identified, and classified into 2 phyla, 7 classes, 19 orders, 56 families, 159 genera and 365 species. The most dominant genus and species found were Trametes and T. versicolor. The highest species diversity was found in broad-leaved forest (273 species), and was also found at elevations of 500-1,000 m (227 species). A total of 333 species were collected from broad-leaved trees, 87 species from coniferous trees, and 55 species were collected from both forest types. Gymnopilus liquiritiae was the most dominant species in coniferous trees, while T. versicolor, which was mostly collected from tree trunks below 500 m in elevation, was dominant in broad-leaved trees. Results from the quantitative cluster analysis of wood decay fungi showed that the highest species diversity index was 1.80 in the mixed forests, while the highest similarity among forest types was shown between the broad-leaved and mixed forests.

• Archives of Pharmacal Research
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• 제27권12호
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• pp.1270-1274
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• 2004

Random amplified polymorphic DNA (RAPD) analysis was used to determine the genetic relationships among seventeen species of the Acanthopanax species. The DNA isolated from the leaves of the samples was used as template in polymerase chain reaction (PCR) with twenty random decamer primers in order to distinguish plant subspecies at the level of their genomes. The RAPD patterns were compared by calculating pairwise distances using Dice similarity index, and produced to the genetic similarity dendrogram by unweighted pair-group method arithmetic averaged (UPGMA) analysis, showing three groups; a major cluster(twelve species), minor cluster (4 species) and single-clustering species. The results of RAPD were compatible with the morphological classification, as well as the chemotaxonomic classification of the Acanthopanax species. The Acanthopanax species containing 3,4-seco-lupane type triterpene compounds in their leaves corresponded to the major cluster, another species having oleanane or normal lupane type constituents to minor clusters, and one species not containing triterpenoidal compound to single-cluster.

• 한국동물위생학회지
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• 제36권2호
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• pp.67-71
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• 2013

Neonatal infection caused by Cronobacter species can result in serious illnesses such as bacteremia, septicemia, meningitis, and death in at-risk infants who are orally fed contaminated reconstituted powdered infant formulas. The objective of this study was to compare the virulence among three Cronobacter species strains by using an animal model for human neonatal Cronobacter species infections. We acquired timed-pregnant ICR mice and all owed them to give birth naturally. On postnatal day 3, each pup was administered orally a total dose of $1{\times}10^7$ CFU Cronobacter species strain 3439, CDC 1123-79, and 3231. Mice were observed twice daily for morbidity and mortality. At postnatal day 10, the remaining pups were euthanized, and brain, liver, and cecum were excised and analyzed for the presence of Cronobacter species. Cronobacter species were isolated from cecum and other tissues in inoculated mice. In the tissues of Cronobacter species infected mice, meningitis and gliosis were detected in the brain. In this study, we identified the virulence among Cronobacter species strains by using a neonatal mice model which was a very effective animal model for human neonatal Cronobacter species infections.

• 아시안잔디학회지
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• 제10권1호
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• pp.81-88
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• 1996

Twelve dictyostelids occurred in the southern coastal area and islands; nine species of genus Dictvostelium and three species of genus Polysphoslylium. In ten sites of evergreen-broadleaved forests, 12 species were identified and average prensent species was 6.0. D. mucoroiles, D. misutum, P. pallilum and P. violaceum were dominant species. The first dominant species was D. mucoroides. Its importance value was 55 and was much more than the others. Especially, for P. violaceum presence was 90%. It was much higher. But relative density was no more than 3%. D. minutum that was not common species had comparahly high im- portance value. In two sites of evergreen conifers, only four species occurred; D. mucoroiles, D. brefeldianum, D. capitatum and P. pallilum Average present species was 2.0. Dominant species was D. mucoroides. Average of total clones in evergreen-hroadleaved forests and evergreen conifers were irrespectively 8,608 and 9,541. As for the number of species, cellular slime molds distributed variably in evergreen-broadleaved forests than evergreen conifers.

• Journal of Species Research
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• 제12권3호
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• pp.224-228
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• 2023

Three wolf spiders of the family Lycosidae Sundevall, 1833 are newly described from Korea: Arctosa labiata Tso & Chen, 2004, Pardosa altitudis Tikader & Malhotra, 1980, and Pardosa laevitarsis Tanaka & Suwa, 1986. These spiders were collected during a seasonal survey of the spider fauna of National Parks located in Gangwon-do and Gyeongsanbuk-do in 2018-2019; two males of A. labiata from Mt. Songnisan National Park, one female of P. altitudis from Mt. Chiaksan National Park, and two males of P. laevitarsis from Mt. Odaesan and Sobaeksan National Parks. The three newly recorded spiders have previously been known to be distributed in Taiwan, India, China, and Japan. These spiders were collected by hand in mixed forest leaf litter in mountainous terrains. The present paper taxonomically describes these three wolf spiders with measurements and morphological illustrations.

• 한국환경과학회지
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• 제26권6호
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• pp.691-710
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• 2017

This study was performed to investigate the geochemical and benthic environment of three shellfish farms in Suncheon Bay during the period of September 2014 ~ April 2015. Three sampling stations were selected; St.1 is the shellfish farm of razor clam near Jangsan area. St.2 is the shellfish farm of small ark shell near Hwapo area and St.3 is the shellfish farm of razor clam near Yongdu area. Razor clam was the dominant species at St.1, small ark shell and granulated ark shell were dominant at St.2 and St.3, respectively. Granulated ark shell inhabited St.3, although it is not cultured at that station. This station's exposure to air during the ebb tide and sediment composition likely provides the appropriate habitat for granulated ark shell species. Analysis of the number of different species showed that 8 benthos species were found to be distributed at St.1, 18 species at St.2, and 13 species at St.3. Among three stations, the highest Ignition Loss (IL), Chemical Oxygen Demand (COD) and Acid Volatile Sulfide (AVS) values were obtained from the sediment at St.2. The analysis of pore water from St.2 also showed the highest values of Total Organic Carbon (TOC), ammonia ($NH_4^+$), Dissolved Inorganic Nitrogen (DIN) and phosphate ($PO_4^{3-}$). These results are related to the fact that species dominance and richness is the highest in St.2.

• ALGAE
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• 제33권1호
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• pp.109-125
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• 2018

Turkish towel (Chondracanthus exasperatus), Pacific dulse (Palmaria mollis, also known as Red ribbon seaweed), and sea lettuce (Ulva spp.) were cultivated in a land-based intensive culture system at the Manchester Research Station, USA from August 2013 to September 2014. Macroalgae were grown in tumble-aerated tanks, harvested bimonthly for seasonal growth calculations, and analyzed for protein, lipid, ash, and amino acid content. Growth rate of all three species exhibited a similar pattern, with the highest specific growth rates occurring during the summer months (Turkish towel: 7.8%, Pacific dulse: 8.2%, and sea lettuce: 6.2%). Growth of all three species was lowest around winter solstice; with negative growth only observed in sea lettuce. On a dry weight basis significant differences in protein content existed between the three species with highest values for sea lettuce ($29.5{\pm}1.4%$). Lipid content varied between species (0.95-2.78%) with significantly higher lipid observed in sea lettuce (0.58-4.82%). No significant differences were detected on a seasonal basis among each species. Essential amino acids accounted for $43{\pm}0.9$ to $47{\pm}1.2%$ of total amino acids with Turkish towel having the highest value. Turkish towel had a significantly higher taurine level ($0.82{\pm}0.27$) than the other macroalgae. The levels of persistent organic pollutants and heavy metals were low. The estimated annual product of the three species ranged from 50- to $70-mt\;dry\;weight\;ha^{-1}\;y^{-1}$, significantly higher than conventional crops. Land-based culture of these species can produce year-round harvest, consistent product quality, and low contaminant levels.

• 한국환경생태학회지
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• 제30권2호
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• pp.139-145
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• 2016

우리나라에서 개미가 종자를 분산시키는 반기생 한해살이풀 며느리밥풀속 식물종의 서식지, 전파체 특성과 관련 개미를 밝히고자, 2012년 5월부터 2015년 11월까지 며느리밥풀속 3종의 서식지 특성, 열매 수집, 전파체 특성 및 급여시험을 실시하였다. 며느리밥풀속 서식지는 약산성의 토양층이 비교적 얕은 남향사면 수관층이 열린 숲 가장자리였다. 공통적으로 출현한 식물종은 신갈나무를 포함한 4수종과 대사초를 포함한 4종의 초본식물이었다. 이들 식물종들이 며느리밥풀속의 숙주식물일 가능성이 높다고 사료된다. 며느리밥풀속 전파체의 모양은 타원형의 종자 한 쪽에 백색의 지방체가 모자처럼 붙어있는 형태였다. 전파체 중량은 새며느리밥풀이 10.6mg으로 가장 무거웠고, 알며느리밥풀이 8.0mg, 꽃며느리밥풀 7.2mg의 순으로 나타났다. 지방체 중량은 알며느리밥풀이 1.2mg으로 가장 무거웠고, 새며느리밥풀 1.0mg의 순이였으며, 꽃며느리밥풀이 0.8mg으로 가장 가벼웠다. 며느리밥풀속 서식지에서 전파체를 활발히 물어가는 개미는 두마디개미아과(Myrmicinae)에 속하는 3속 4종의 몸집이 작은 개미들로 코토쿠뿔개미, 항아리뿔개미, 가시방패개미와 일본장다리개미로 확인되었다. 반기생 한해살이풀이며 개미가 종자를 산포하는 며느리밥풀속 식물체들은 개체의 생육상태에 따라서 변이가 크며, 환경조건의 변화에 민감하므로 많은 연구가 필요하다고 사료된다.