• Asian-Australasian Journal of Animal Sciences
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• v.11 no.2
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• pp.196-200
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• 1998

The proximate composition of viscera of six fish species viz., Catla catla, Labeo, rohita Cirrhina mrigala, Hypophthalmichthys molitrix, Ctenopharyngodon idella and Cyprinus carpio under the influence of artificial feed $(T_1)$, broiler manure $(T_2)$, buffalo manure $(T_3)$, N:P:K (25:25:0 $T_4$) and control pond $(T_5)$ has been studied on final harvest after the end of experimental period of one year. The overall comparison of six fish species under five different treatments showed that Cyprinus carpio remained the best for visceral total protein contents. The maximum visceral protein content was recorded in fishes under $T_2$ except Cirrhina mrigala, while the minimum under $T_5$. The comparison of five treatments showed that maximum (6.69) percentage of fat in viscera of fish was recorded under $T_2$, closely followed by $T_4$ while minimum (4.89) under the effect of $T_5$. Among the six fish species under five treatments Cyprinus carpio showed maximum accumulation/deposition of total fats in viscera.

• The Plant Pathology Journal
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• v.34 no.1
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• pp.65-70
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• 2018

Co-infection with two virus species was previously reported in some cactus plants. Here, we showed that Notocactus leninghausii f. cristatus can be co-infected with six different viruses: cactus mild mottle virus (CMMoV)-Nl, cactus virus X (CVX)-Nl, pitaya virus X (PiVX)-Nl, rattail cactus necrosis-associated virus (RCNaV)-Nl, schlumbergera virus X (SchVX)-Nl, and zygocactus virus X (ZyVX)-Nl. The coat protein sequences of these viruses were compared with those of previously reported viruses. CMMoV-Nl, CVX-Nl, PiVX-Nl, RCNaV-Nl, SchVX-Nl, and ZyVX-Nl showed the greatest nucleotide sequence homology to CMMoV-Kr (99.8% identity, GenBank accession NC_011803), CVX-Jeju (77.5% identity, GenBank accession LC12841), PiVX-P37 (98.4% identity, GenBank accession NC_024458), RCNaV (99.4% identity, GenBank accession NC_016442), SchVX-K11 (95.7% identity, GenBank accession NC_011659), and ZyVX-B1 (97.9% identity, GenBank accession NC_006059), respectively. This study is the first report of co-infection with six virus species in N. leninghausii f. cristatus in South Korea.

• The Korean Journal of Malacology
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• v.31 no.4
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• pp.299-305
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• 2015

These studies were conducted to compare the radulae of six species (Nordotis madaka, N. gigantea, N. discus discus, N. discus hannai, Sulculus diversicolor diversicolor, and S. diversicolor supertexta) of the family Haliotidae in Korea using the scanning electron microscope. As a result, teeth of all species has asymmetry rhipidoglossate form and basic tooth formula of six Haliotids was >50-5-1-5-50< (one central tooth, five lateral teeth, and over the 50 marginal teeth on each side). Therefore it is difficult that all of the species can be detected sharply the difference of interspecies by comparisons of radulae.

• Asian-Australasian Journal of Animal Sciences
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• v.15 no.5
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• pp.740-744
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• 2002

The relationship of gonad weight and liver weight with body weight of six fish species viz; Catla catla, Labeo rohita, Cirrhina mrigala, Hypophthlamichthys molitrix, Ctenopharyngodon idella and Cyprinus carpio under the influence of artificial feed, broiler manure, buffalo manure, N:P:K (25:25:0) and a control pond were examined after a rearing period of one year. The positive relationship between gonad weight and body weight was significant which showed the dependence of gonadal development on body weight in all the six fish species. The currelation coefficients were higher in female fishes. However, the major carps had a much smaller proportional gonadal weight as compared with Chinese carps and a common carp due to their faster growth rate. The overall comparison of six fish species under different experimental treatments revealed that highest liver weight was observed for C. idella closely followed by C. carpio. The maximum correlation value was observed with H. molitrix under the broiler manure. The maximum Gonadosomatic Index (GSI) remained as 32.63 for C. carpio followed by C. idella. The maximum value for Hepatosomatic Index (HSI). remained 1.99 for C. idella followed by C. mrigala.

• ALGAE
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• v.22 no.2
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• pp.69-85
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• 2007

From six reservoirs in Gyeonggi-do, we have collected the distribution and standing crop of phytoplankton since Nov. 2005 through Sep. 2006. As a result, the phytoplankton appeared totally 340 taxa belong to 7 classes, 15 orders, 5 suborders, 32 families, 4 subfamilies, 84 genera, 283 species, 43 varieties, 9 forms and 5 unidentified species. The standing crop was shown as minimum was 0.3 × 106 cells and maximum was 5,950 × 106. The relation of standing crop with TN, TP and Chl-a showed as positive. Total 12 taxa including 2 taxa of blue-green algae occurred to every seasons at six lakes, and it was thought that they distributed in mesotrophic state. Also, Achnanthes minutissima, Aulacoseira granulata, Eudorina elegans, Gloeocystis ampla, Pandorina morum, Pediastrum simplex var. duodenarium, Scenedesmus ecornis were regarded as the indicators of eutrophic state. From the estimation of LTSI and TSI, it was shown that the rest of lakes except for Idong reservoir of winter were eutrophic states.

• Journal of Species Research
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• v.8 no.1
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• pp.136-159
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• 2019

This study was carried out to investigate the flora of six islands belonging to the Gogunsan Archipelago (i.e., Sinsi-do, Seonyu-do, Munyeo-do, Yami-do, Bian-do, and Duri-do) in the Korean Peninsula. As results of five field surveys from March to October of 2016, we have identified 575 total taxa, representing 527 species, five subspecies, 42 varieties, and one hybrid, placed in 358 genera and 118 families. Of these 575 taxa, four are endemic to Korea, six taxa are listed on the Korean Red List of threatened species, 67 are floristic regional indicator plants, and 74 are invasive alien species. In this study, we compared species richness among the islands, and find that the larger the islands, the higher the species richness. In the case of habitat affinity types, forest species were most common, followed by farmland, seacoast, bare ground and wetland species. From similarity analyses based on the composition of vascular plants, each island did not exhibit either local specificity or unique diversity. On the contrary, the proportion of invasive alien and ruderal species may increase by human activities. Investigations and analyses of island flora such as this are important to assess the current status of the flora, predict future vegetation patterns and the spread of the alien species, and establish managment plans of plant diversity.

• Journal of Plant Biotechnology
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• v.30 no.2
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• pp.123-127
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• 2003

Karyotype analysis and chromosomal localization of 5S and 45S rDNAs using multi-color fluorescence in situ hybridization (McFISH) technique were carried out in two Angelica species. The numbers of diploid chromosomes were the same in two same in two species as 2n=22, however the lengths of chromosomes were varied from 4.25 to 6.50 ${\mu}{\textrm}{m}$ in A gigas and 4.95 to 8.50 ${\mu}{\textrm}{m}$ in A acutiloba. The chromosomes of A. gigas were composed of five metacentric and six submetacentric pairs, while those of A. acutiloba were six metacentic, one submetacentric and four subtelocentric paris. In FISH experiments, the numbers and size of 45S rDNA signals were varied between two species, however dach signal of the 5S rDNA was observed in two species.

• Journal of Physiology & Pathology in Korean Medicine
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• v.19 no.4
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• pp.1046-1049
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• 2005

Acanthopanx senticosus (Araliaceae) is a long-lived woody species primarily distributed throughout East Asia. This species is regarded as medically and ecologically important woody plants in Korea. To identify the variation of the RAPD patterns between domestic and foreign A. senticosus species, 22 random primers were applied to Korean A. senticosus and A. senticosus for. inermis, Chinese and Russian A. senticosus. Six primers of them could be used to discriminate the origins and 58 polymorphisms among 92 scored DNA fragments. Six bands are specific for Korean A. senticosus and A. senticosus for. inermis. Especially, three primers, OPD04, OPD11 and OPE10, were useful to differentiate between domestic and foreign Acanthopanax species. RAPD analysis was a useful method to discriminate among A. senticosus populations or accessions and Korean accessions are distinct genetically.

• Korean journal of applied entomology
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• v.44 no.1 s.138
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• pp.13-20
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• 2005

Thirty-four species of the subfamily Plusiinae were recognized from the lepidopteran expeditions to Mt. Changbai during 2000-2004. Among them, six species (Abrostola ussuriensis Dufay, Polychrysia aurata (Staudinger), P. splendida (Butler), Lamprotes mikadina (Butler), Autographa amurica (Staudinger), and A. v-minus (Oberthur)) are reported for the first time from China. Three previously reported species Antoculeora ornatissima (Walker), Autographa nigrisigna (Walker), and Syngrapha hochenwarthi (Hochenwarth) were not found in this study, Photographic images of adults of the newly known species from China and their male or female genitalia are given, with a check list of the 37 known species of the subfamily in Mt Changbai.

• Korean Journal of Weed Science
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• v.8 no.2
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• pp.133-140
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• 1988

One hundred and one noxious weeds on cultivated land of Taiwan were investigated for the occurrence of "Kranz" leaf anatomy and activities of PEP carboxylase and $C_4$ acid decarboxylating enzymes : NADP-malic enzyme, NAD-malic enzyme, PEP carboxykinase. Based on the leaf anatomy and a/b chlorophyll ratio, twenty-seven species exhibit "Kranz" type leaf anatomy, and seventy-four species were found without it. Among the species investigated, Digitaria radicosa (Presl) Miq., Leptochloa chinensis (L.) Nees, and Sporobolus fertilis (Steud.) W. D. Clayton in the Gramineae were first recorded as $C_4$ plants. Twenty-sven species of "Kranz" type leaf anatomy, include those of monocotyledon ; sixteen species in Gramineae, six species in Cyperaceae. Those of dicotyledon ; two species each in Euphorbiaceae and Amaranthaceae and one species in Portulacaceae. The subtype of fourteen previously uninvestigated species among twenty-seven species were further determined. The properties of the three decarboxylating enzyme from representative species were also characterized.