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First record of the complete mitochondrial genome and phylogenetic analysis ofLimnodrilus hoffmeisteriClaparède, 1862 (Annelida;Clitellata;Oligochaeta)

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Mitochondrial DNA Part B 2022年第1期7卷 177-179页

作者： Jeounghee Lee Jongwoo Jung a Interdisciplinary Program of Ecocreative Ewha Womans University Seoul Korea a Interdisciplinary Program of Ecocreative Ewha Womans University Seoul Koreab Department of Science Education Ewha Womans University Seoul Korea

The complete mitochondrial genome ofLimnodrilus hoffmeisteriwas analyzed using the Illumina NovaSeq 6000 platform. The length of the complete mitochondrial genome was 15,972 bp. The sequencing data, comprising 13 protein coding genes (PCGs), 2 rRNA genes, 22 tRNA genes, and a putative control region, were submitted to the National Center for Biotechnology Information (MW732144). A phylogenetic tree was constructed based on the sequences of 13 PCGs using the maximum likelihood method. To date, only a single study has been conducted on the complete mitochondrial genome of another aquatic oligochaete. This phylogenetic tree revealed thatL. hoffmeisteriis clustered withTubifex tubifexand forms a sister group to the earthworm group.

关键词： Freshwater oligochaeta Limnodrilus hoffmeisteri complete mitochondrial genome phylogenetic analysis

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The complete mitochondrial genome ofNais communisPiguet, 1906 (Annelida;Clitellata;Naididae)

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Mitochondrial DNA Part B 2022年第1期7卷 199-201页

The complete mitochondrial genome ofNais communiswas analyzed using the Illumina Hiseq 2000 platform. The length of the complete mitochondrial genome was 15,685 bp, and the data were submitted to NCBI (MW770354). The genome contained 13 protein-coding genes (PCGs), 2 rRNA genes, 22 tRNA genes, and a putative control region. A phylogenetic tree was constructed based on the sequences of 13 PCGs identified by the maximum-likelihood method. Regardless of the lack of studies on the complete mitochondrial genome of other aquatic oligochaetes, the phylogenetic tree showedN. communisto cluster withTubifex tubifexandLimnodrilus hoffmeisteriwith high support value, and the freshwater oligochaete and earthworm groups to be sister groups.

关键词： Freshwater Oligochaeta Nais communis complete mitochondrial genome phylogenetic analysis

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Do Barn Swallows (Hirundo rustica gutturalis) prefer to breed in inhabited houses in South Korea?

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The Wilson Journal of Ornithology 2023年第4期134卷 633-641页

作者： Dami Jeong Yucheol Shin Bonghee Lim Hortense Serret Yikweon Jang Interdisciplinary Program of EcoCreative Ewha Womans University Seoul Republic of Korea The Ggurook Institute of Ornithology Gyeonggi-do Republic of Korea Department of Biological Sciences College of Natural Science Kangwon National University Chuncheon Republic of Korea Nabi Ecology Paris France

Nest site selection is critical for reproductive success in birds. Several bird species including Barn Swallow (Hirundo rustica gutturalis) typically nest near human settlements, presumably because this reduces their risk of predation. Here, we investigated the nesting habits of Barn Swallows in South Korea. We predicted that abandoned houses would not be chosen even if these houses provided similar nesting conditions compared to occupied houses. We conducted surveys across South Korea and recorded human occupancy, house structure, the number of active and old nests, and the deterioration condition of houses. Among the recorded active nests, 95% were located in inhabited houses (n = 38), whereas only 5% were observed in abandoned houses (n = 2). Interestingly, human presence was a significant factor in the occurrence of active nests, whereas house structure had no appreciable effect. Among the nest site characteristics, the number of old nests was significantly higher in inhabited houses than in abandoned houses. Further, ∼97% of inhabited houses were not damaged, whereas 50% of the abandoned houses were damaged, potentially affecting the nesting site selection of Barn Swallows. Our results are consistent with our hypothesis that Barn Swallows prefer to nest in human-inhabited houses. As house structures suitable for nesting are reduced due to rapid urbanization, and as swallow nests are actively eliminated by human residents, the reproductive success of Barn Swallows in South Korea can be significantly *** selección de sitio de anidación es crítica para el éxito reproductivo de las aves. Varias especies de aves, incluyendo golondrinas Hirundo rustica gutturalis, anidan cerca de asentamientos humanos, posiblemente porque esto reduce su riesgo de depredación. Aquí estudiamos los hábitos de anidamiento de golondrinas Hirundo rustica gutturalis en Corea del Sur. Predecimos que las casas abandonadas no van a ser elegidas, aun cuando esas casas ofrecen condiciones

关键词： abandoned house conservation Hirundinidae human habitation nesting ecology northeast Asia

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Changes of the Flowering Time of Trees in Spring by Climate Change in Seoul, South Korea

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Phyton-International Journal of Experimental Botany 2020年第4期89卷 1019-1033页

作者： Hyewon Kim Chanwoo Park Jong Hwan Lim Hye Woo Shin Interdisciplinary Program of EcoCreative The Graduate SchoolEwha Womans UniversitySeoul03760Korea Forest Ecology and Climate Change Division National Institute of Forest ScienceSeoul02455Korea Research Institute of Ecoscience Ewha Womans UniversitySeoul03760Korea

Flowering onset has attracted much attention in ecological research as an important indicator of climate ***,warmer temperatures advance flowering *** effect of climate warming on flowering onset is more pronounced in spring because the difference between atmospheric and water temperatures creates more rapid convection than in other *** analyzed the correlation between 73 species of spring woody plants in Hongneung Arboretum in Seoul,South Korea and the spring minimum temperature and average precipitation over the past 50 years(1968–2018).The spring minimum temperature and average precipitation have increased over the past 50 years,resulting in the advance of the first flowing date(FFD)in all 73 species by 8.5 days on average.A comparison of FFD changes over time by dividing the survey period into three time periods confirmed the advance of the FFD in 50 species(68%of investigated species)by 11.1 days on average in both Period 2(1999–2008)and Period 3(2009–2018)relative to Period 1(1968–1975).Additionally,a delay of the FFD by 3.2 days on average was observed in 8 *** FFD of Lonicera chrysantha(Caprifoliaceae)advanced by over 40 days and was highly correlated with the increased spring minimum *** of the sensitivity of plant responses to climate change revealed that a temperature rise of 1℃ was associated with an FFD advance of 1.2 days in all *** species that was most sensitive to temperature change was Spiraea pubescens ***(Rosaceae),whose FFD advanced by 4.7 days per 1℃ temperature *** increase in precipitation by 1 mm was found to result in a 0.1-day advance of the FFD of all *** tomentosa(Rosa-ceae)was the most sensitive species,that advanced by 2.6 days for each 1 mm increase in ***,for all species,the FFD was more sensitive to the change in temperature than in *** that the current greenhouse gas(GHGs)emission levels or atmospheric CO_(2) conc

关键词： Phenology first flowering date climate change

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Spring Voices in Korean Rice Fields:The Effect of Abiotic Variables and Syntopic Calls on the Calling Activity of the Treefrog Dryophytes suweonensis

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Asian Herpetological Research 2020年第4期11卷 335-341页

作者： Borzee AMAEL Sin EUNCHONG Oh SUNMIN Jang YIKWEON Laboratory of Animal Behmnour and Conservation College of Biology and the EnvironmentNanjing Forestry UniversityNanjing 210037JiangsuChina Department of Life Sciences and Division of EcoScience Ewha Womans UniversitySeoul 120-750Republic of Korea Interdisciplinary Program of EcoCreative Ewha Womans UniversitySeoul 03760Republic of Korea

The calling activity of anurans is influenced by environmental variables and calls produced by syntopic amphibians,among other *** variables have a strong influence,such as temperature and predation dilution,while others may have a periodical influence such as the moon ***,we hypothesised that the calling activity of the Suweon treefrog,Dryophytes suweonensis,is restricted by specific environmental variables but reinforced by the calling activity of specific syntopic *** the criteria set by the experimental design,*** calling activity was significantly influenced by moon phase,temperature,date,time to sunset and the calling activity of Pelophylax nigromaculatus and *** variables are expected to be related to chorus size,predation,breeding phenology and competition,suggesting a broad plasticity in the calling activity of the species.

关键词： anuran hylidae calling activity environmental variable influence Korea North East Asia syntopic species

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The Effect of Avian Eggshell Membrane Structure on Microbial Penetration: A Simulation Study

SSRN

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SSRN 2024年

作者： Sim, Seungwoo Park, Cheol-Min Lee, Sang-Hee Cho, Haeun Ji, Youngheum Noh, Heeso Lee, Sang-Im Ecological Technology Research Team National Institute of Ecology Chungnam Seocheon Korea Republic of Division of Industrial Mathematics National Institute for Mathematical Sciences Daejeon Korea Republic of Laboratory of Behaviour and Ecology Interdisciplinary Program of EcoCreative Ewha Womans University Seoul Korea Republic of School of Undergraduate Studies Daegu Gyeongbuk Institute of Science and Technology Daegu Korea Republic of Department of Nano and Electronic Physics Kookmin University Seoul Korea Republic of Department of New Biology Daegu Gyeongbuk Institute of Science and Technology Daegu Korea Republic of

Avian eggshells exhibit excellent antimicrobial properties. In this study, we conducted simulation experiments to explore the defense mechanisms of eggshell membranes with regards to their physical features. We developed a mathematical model for the movement of microorganisms and estimated their penetration ratio into eggshell membranes based on several factors, including membrane thickness, microbial size, directional drift, and attachment probability to membrane fibers. These results not only suggest that an eggshell membrane with multiple layers and low porosity indicates high antimicrobial performance, but also imply that the fibrous network structure of the membrane might contribute to effective defense. Our simulation results aligned with experimental findings, specifically in measuring the penetration time of Escherichia coli through the eggshell membrane. We briefly discuss the significance and limitations of this pilot study, as well as the potential for these results, to serve as a foundation for the development of antimicrobial materials. © 2024, The Authors. All rights reserved.

关键词： Escherichia coli

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Secondary human impacts on the forest understory of Ulleung Island, South Korea, a temperate island

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Journal of Ecology and Environment 2019年第1期43卷 1页

作者： Andersen, Desiree Interdisciplinary Program of EcoCreative Ewha Woman's University 52 Ewhayeodae-gil Seoul 03760 South Korea Evergreen State College Olympia 98505 WA United States

Oceanic islands are biologically important for their unique assemblages of species and high levels of endemism and are sensitive to environmental change because of their isolation and small species source pools. Habitat destruction caused by human landscape development is generally accepted as the main cause of extinction on islands, with exotic species invasion a secondary cause of extinction, especially on tropical islands. However, secondary impacts of human development (e.g., general degradation through resource use and exotic species introduction) are understudied on temperate islands. To determine secondary impacts of human development on the understory vegetation community, 90 field sites on Ulleung Island, South Korea, were sampled during the summer of 2016. Understory vegetation was chosen as it is a proxy for ecosystem health. Diversity and percent cover of introduced, native, and endemic species were tested against proximity to developed areas and trail usage using a model selection approach. Diversity was also tested against percent cover of three naturalized species commonly found in survey plots. The main finding was that distance to development, distance to town, and trail usage have limited negative impacts on the understory vegetation community within best-supported models predicting native and introduced cover and diversity. However, endemic species cover was significantly lower on high usage trails. While there are no apparent locally invasive plant species on the island at the time of this study, percent cover of Robinia pseudoacacia, a naturalized tree species, negatively correlated with plot diversity. These findings indicate that forests on Ulleung Island are not experiencing a noticeable invasion of understory vegetation, and conservation efforts can be best spent preventing future invasions. © 2019 The Author(s).

关键词： Biodiversity Introduced species Oceanic islands Plant ecology Temperate forests Ulleung Island

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Complete mitochondrial genome of the commensal scale worm,Arctonoe vittata(Grube, 1855) (Polychaeta: Polynoidae), collected from benthic habitat of the eastern coast of Korea

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Mitochondrial DNA Part B 2021年第8期6卷 2455-2457页

作者： Jiseon Park Jongwoo Jung Kwang-Soo Kim Taeseo Park a Interdisciplinary Program of Ecocreative Ewha Womans University Seoul Republic of Korea b Department of Science Education Ewha Womans University Seoul Republic of Korea c Division of Animal Resources National Institute of Biological Resources Incheon Republic of Korea d Overseas Biological Resources Team National Institute of Biological Resources Incheon Republic of Korea

The complete mitogenome sequence of the commensal polynoid scale wormArctonoe vittatawas determined for the first time in the present study. The total length of the newly sequenced mitogenome was 15,125 bp, including 13 protein-coding genes, 2 rRNA genes, and 22 tRNA genes. The phylogenetic position ofA. vittatawas examined by maximum likelihood analysis using concatenated 13 protein-coding genes with 18 selected polychaete *** vittatawas nested within the suborder Aphroditiformia and closely related toAphrodita australisamong the selected species. The newly determined mitogenome sequence will be useful for further phylogenetic and evolutionary studies of this group.

关键词： Arctonoe vittata commensal scale worm complete mitogenome Polynoidae

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Correction to: Characterization of polymorphic loci for two cicada species: Cryptotympana atrata and Hyalessa fuscata (Hemiptera: Cicadidae)

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Molecular biology reports 2019年第3期46卷 3615页

作者： Hoa Quynh Nguyen Soyeon Chae Erick Kim Yikweon Jang Interdisciplinary Program of EcoCreative Ewha Womans University Seoul Republic of Korea. Department of Geography University of California Los Angeles USA. Interdisciplinary Program of EcoCreative Ewha Womans University Seoul Republic of Korea. jangy@ewha.ac.kr. Department of Life Science and Division of EcoScience Ewha Womans University Ewhayeodae-gil 52 Seodaemun-gu Seoul 03760 Republic of Korea. jangy@ewha.ac.kr.

Unfortunately the title of the original publication contains a typo. Instead of (Hemiptera: Cicadoidae) it should be (Hemiptera: Cicadidae).

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Treefrog lateral line as a mean of individual identification through visual and software assisted methodologies

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Journal of Ecology and Environment 2017年第1期41卷 1页

作者： Kim, Mi Yeon Borzée, Amaël Kim, Jun Young Jang, Yikweon Ewha Womans University Department of Life Sciences and Division of EcoScience Seoul 03760 South Korea Seoul National University Laboratory of Behavioral Ecology and Evolution School of Biological Sciences Seoul 08826 South Korea Ewha Womans University Interdisciplinary Program of EcoCreative Seoul 03760 South Korea

Background: Ecological research often requires monitoring of a specific individual over an extended period of time. To enable non-invasive re-identification, consistent external marking is required. Treefrogs possess lateral lines for crypticity. While these patterns decrease predator detection, they also are individual specific patterns. In this study, we tested the use of lateral lines in captive and wild populations of Dryophytes japonicus as natural markers for individual identification. For the purpose of the study, the results of visual and software assisted identifications were compared. Results: In normalized laboratory conditions, a visual individual identification method resulted in a 0.00 rate of false-negative identification (RFNI) and a 0.0068 rate of false-positive identification (RFPI), whereas Wild-ID resulted in RFNI = 0.25 and RFNI = 0.00. In the wild, female and male data sets were tested. For both data sets, visual identification resulted in RFNI and RFPI of 0.00, whereas the RFNI was 1.0 and RFPI was 0.00 with Wild-ID. Wild-ID did not perform as well as visual identification methods and had low scores for matching photographs. The matching scores were significantly correlated with the continuity of the type of camera used in the field. Conclusions: We provide clear methodological guidelines for photographic identification of D. japonicus using their lateral lines. We also recommend the use of Wild-ID as a supplemental tool rather the principal identification method when analyzing large datasets. © 2017 The Author(s).

关键词： Lateral lines Photographic individual identification Software assisted identification Treefrog Visual identification Wild-ID

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