Yuno Do

Kongju National University | Kongju · Department of Biological Sciences

This study examines the gut bacterial communities of four necrophagous fly species: Lucilia illustris, L. caesar, Chrysomya megacephala, and C. pinguis. The gut bacterial communities exhibited significant variation across species, showcasing a diverse range of bacterial phyla, classes, and genera. Each species harbored a unique set of bacteria, yet...

Urbanization affects the natural world, with implications for habitat availability and wildlife behavior, notably in the context of South Korea. This study investigates the effects of urbanization on the nest sizes and materials of barn swallows, a migratory bird species. Utilizing comparative analyses across suburban, exurban, and rural regions, t...

Background: Invasive species such as the Yellow-legged hornet (Vespa velutina), along with four other Vespa species - V. analis, V. crabro, V. ducalis, and V. mandarinia, pose significant threats to the environment, economy, and human health. This study focuses on understanding the key factors contributing to the successful invasion of these speci...

The influence of diet and host specificity on the fecal microbiome of three adult dragonfly species, Pseudothemis zonata , Orthetrum lineostigma , and Orthetrum melania , was investigated. The fecal bacterial communities were analyzed using 16S rRNA gene sequencing, and stable isotope analysis was used to investigate their food sources. The results...

We investigated the floral resources of the honeybee (Apis mellifera) by pollen DNA metabarcoding as the first step in honeybee conservation. We attempted to identify as many floral resources and as wide resource availability as possible in areas and compared the richness of floral resources between forests and national parks. We found that both fo...

We investigated whether the gut bacterial community of Chlaenius pallipes could represent the health conditions of individuals or populations based on where these beetles inhabit. Considering the ecological traits of the species, the gut bacterial communities of carabid populations inhabiting stable or unstable habitats were compared. Food resource...

Public interest in and preferences for certain species can sometimes provide an opportunity for conservation and management. Here, we attempted to identify ‘popular’ anurans from YouTube data. In addition, the attractiveness of anuran advertisement-calling sounds were analyzed using acoustic data. By searching YouTube with the search term ‘frog cal...

Changes in worldwide crop trends and climate change has increased the introduction of alien crops. However, there are always potential side effect issues related to introduced crops, such as the introduced crop becoming a nuisance at the new country or bringing insect pests or microorganisms with the introduced crops. In this study, we developed a...

Anthropogenic connectivity regulation in rivers, such as via weirs and dams, affects the plankton community. We hypothesized that the longitudinal similarity of the zooplankton community in a river could change in a river–reservoir hybrid system (RRHS). The impact of weir construction on zooplankton communities in terms of species diversity, abunda...

As the advantages of wind energy as an eco-friendly strategy for power generation continue to be revealed, the number of offshore wind farms also increases worldwide. However, wind turbines can induce behavioral and physiological responses in animals by emitting various types of noises. In this study, we investigated the behavioral, physiological,...

The yellow-legged hornet (Vespa velutina nigrithorax) is an invasive species in South Korea with negative economic, ecological, and public health impacts. We investigated genetic and morphological variation in the species populations on Mt. Jiri, the tallest mountain in South Korea. We hypothesized that a high-altitude would be negatively correlate...

The trade-off between morphology and physical function may vary according to ecological traits. Taking a quantitative approach, we attempted to analyze the differences in the skeletal shape of the lower body and limbs in relation to the ecological traits of four anuran species (Dryophytes japonicas, Glandirana rugose, Pelophylax nigromaculatus, and...

Due to the decline in the population and the difficulty of in situ conservation, several anuran species are being reared in captivity. In this study, we identified physiological and morphological differences between farm-bred and wild frogs. Nine different serum components were used as indicators of osmotic pressure, homeostatic state, organ functi...

The yellow-legged hornet ( Vespa velutina nigrithorax ) is an invasive species in South Korea with negative economic, ecological, and public health impacts. We investigated genetic and morphological variation in the species populations on Mt. Jiri, the tallest mountain in South Korea. We hypothesized that a high-altitude would be negatively correla...

In conservation physiology, analyzing the physiological response of an organism to understand its ability to adapt to environmental changes is a key technique in establishing a successful conservation strategy. Veterinary clinical examinations determine the physiological condition of animals accurately and safely, and this examination is synergisti...

The objective of this study was to analyze the genotype of black-spotted pond frog (Pelophylax nigromaculatus) using seven microsatellite loci to quantify its genetic diversity and population structure throughout the spatial scale of basins of Han, Geum, Yeongsan, and Nakdong Rivers in South Korea. Genetic diversities in these four areas were compa...

A rapidly expanding range of Pectinatella magnifica has been reported globally. Although many studies have been conducted to manage this invasive species, surveying methods have mainly been limited to visual observation of bryozoan colonies. For efficient monitoring and early detection of bryozoan species, we compared three different monitoring met...

The spring orchid (Cymbidium goeringii), found in northeast Asia, is one of the most popular and horticulturally important species of the orchid family. This study analyzed the genetic diversity and population structure of the spring orchid populations in the small islands and mainland South Korea using 11 microsatellite markers. The genetic divers...

Urban expansion threatens ecosystems through direct habitat conversion. To secure urban biodiversity and enhance ecosystem services, a common focus of planning and growth management efforts is to establish green spaces. This study aimed to understand the formation process of newly created green spaces after urban development. We investigated the ca...

To answer whether it is proper to adopt wetland education as a part of the formal school curriculum, this study analyzed research trends and topics on wetland education and identified cases of adopting wetland education as a part of the formal school curriculum. Analyzing trends and topics on wetlands resulted in a recent shift of the focus of wetl...

Many freshwater ecosystems are becoming more saline, and amphibians, which have permeable skin, are sensitive to this change. We studied the physiological responses to high salinity and recovery from saline exposure in adult frogs (Pelophylax nigromaculatus). Frogs that experienced severe salinity were exposed to saline conditions for 6 days, while...

This study considers the impact of various treatments of rabbit carcasses on post mortem insect colonization and weight loss. A statistically accurate time for the change in carcass weight and insect access time was determined using time series analysis depending on different carcass treatments that determined insect access. The decomposition stage...

Biological invasions have increased in recent years, as these are facilitated by traffic networks of human infrastructure. Accidental release from the animal industry is an important cause of biological invasions, and allows for the clear determination of the source of non-native species. Such examples of invasion can be beneficial for studies on t...

In this study, we analyze the content and metadata of photos taken in two popular wetlands in South Korea to assess their aesthetic value. Timestamps and geotags are analyzed to determine people’s preferred visiting times and locations. Moreover, from the image contents, the photographic subjects are detected using deep learning for object detectio...

Spring orchid, Cymbidium goeringii, is one of the most important and popular species in the orchid family in Northeast Asia. The purpose of this study was to determine how closely the simple sequence repeat (SSR) genotypes match between individual plants assumed to be the same cultivar in C. goeringii. For this study, we collected 1566 samples from...

Amphibian populations are declining throughout the world, which has negatively impacted various organisms and ecosystems. The goal of this study was to obtain a better understanding of the physiological status and condition of individuals in amphibians is needed to preserve these groups. We used radiography to assess physical conditions in Hyla jap...

We analyzed the research topics and public concern on Vespa velutina as an invasive species in Asian and European countries quantitatively though digitized texts such as scientometrics and conservation culturomics. We collected 126 scientific publications of V. velutina published during the last three decades, and 423 news articles on V. velutina i...

375 case studies from 120 publications published over the last three decades on forensic entomology were reviewed to determine how many carcass-associated insects have been described globally and which species are relatively important among carcass-associated insects. A total of 1213 carcass-associated insects belonging to 91 families of 10 orders...

Aesthetic benefits are expressed as subtle, individual emotions, opinions, and perceptions of natural areas. Our study demonstrates that Internet-based data, such as photographs, brief texts in microblogs and Internet search trends, can reflect an aesthetic judgment of natural areas. Facial expressions in photographs indicate the first emotions vie...

Using DNA barcoding and stable isotope analysis, we identified adult dragonfly prey items from the fecal pellets of five dragonfly species—Nannophya pygmaea, Ischnura asiatica, Sympetrum eroticum, Orthetrum albistylum, and Anax parthenope—collected from a mountain bog located in south‐eastern South Korea. Twelve operational taxonomic units (OTUs) b...

In this study, the co‐occurrence patterns of 618 pest insects for 47 host crops, including vegetables, grains, and fruits, were identified. To identify the pest co‐occurrence patterns for various crops, and the interactions among the pest insects and crops, we employed social network analysis methods. We used three traditional centrality measures (...

The length–weight relationships (LWRs) for four freshwater fish species in catchment area of Geoje-island, South Korea, were analyzed. Fish samples were collected quarterly using scoop-nets (5 mm mesh size), casting nets (7 mm mesh size) from 2016 to 2017. LWRs data for three of these species have not yet been listed in FishBase.

In South Korea, Eurasian otter (Lutra lutra) habitat has increased since the 1990 s because of legal protection, forest development, and increased public awareness. Although otters have been detected throughout the country, a precise investigation of habitat conditions has not previously been undertaken. We hypothesized that higher values of stream...

We reviewed the texts from 22,179 publications in journals published in the last 100 yr by the Ecological Society of America. We quantified the relative use of terms and identified temporal trends and research collaborations using text-mining methods. Terms concerning ecological topics at the population level such as structure, function, and compet...

Within its wide range, populations of the Eurasian otter (Lutra lutra) have declined, mostly in Europe, and have only begun to re-establish after effective regulation of persistent organic pollutants in their habitat. In South Korea, otter populations have also recovered in response to improved environmental conditions and conservation programmes....

We identified wildlife corridors as linkages for carabid migration between two fragmented forests. Three wildlife corridors, constructed in 2007 to connect two forests fragmented by a two-lane road in South Korea, were selected. We collected 982 individuals of 13 carabid species from the wildlife corridors and connected forests. Carabid diversity i...

The historical distribution of wetlands, the process of wetland loss, and the factors responsible for it in South Korea during the past century were investigated to identify trends in wetland loss. Numerous wetlands were lost because of human activities associated with economic development, such as agricultural development, industrialization, and u...

In this study, we examined the ontogenetic changes in prey selection pattern of largemouth bass Micropterus salmoides (Lacepede, 1802) in accordance with habitat type. The stomach contents of largemouth bass were analysed with respect to predator size classes for two different habitats (Nakdong River main channel and the Upo Wetlands tributary) in...

Since their introduction in 1985, coypus (Myocastor coypus) have spread widely throughout South Korea and are now considered an invasive species, with negative impacts on both agriculture and native biodiversity. Management of the species began in 2005, and related research has focused on factors influencing population control. Cold weather may cau...

Aims Aquatic ecosystems are a priority for conservation as they have become rapidly degraded with land-use changes. Predicting the habitat range of an endangered species provides crucial information for biodiversity conservation in such rapidly changing environments. However, the complex network structure of aquatic ecosystems restricts spatial pre...

We investigated the characteristic demographics for visitors to Mujechi bog on Mt. Jungjok, with the purpose of developing a management strategy for the conservation and wise use of the montane wetland. Using daily visitor data from 2007, 2011, and 2015 we extracted and analyzed; visitation date, age, residential areas, purpose of visitation and th...

Scientometric analysis of limnological societies and related publications revealed complex relationships among research topics and research collaborations. We applied scientometric analysis, word networks, bibliographic coupling, and author networks analysis, to 36 565 publications related to limnology and monsoon research. We analyzed usage freque...

Scientometric analysis of limnological societies and related publications revealed complex relationships among research topics and research collaborations. We applied scientometric analysis, word networks, bibliographic coupling, and author networks analysis, to 36 565 publications related to limnology and monsoon research. We analyzed usage freque...

Culturomics is an emerging field of study that seeks to understand human culture through the quantitative analysis of changes in word frequencies in large bodies of digital texts. Culturomics research can help nature conservation respond to cultural trends, building and reinvigorating its societal relevance. We identify five areas where culturomics...

We present a multivariate regression approach for mapping the spatial distribution of above-ground biomass (AGB) of B. planiculmis using field data and coincident moderate spatial resolution satellite imagery. A total of 232 ground sample plots were used to estimate the biomass distribution in the Nakdong River estuary. Field data were overlain and...

This study aimed to explain how the changes in certain hydrological, meteorological and physicochemical factors influence the cell density of the cyanobacteria Microcystis aeruginosa in the Nakdong River. Occurrence patterns of M. aeruginosa were analyzed between 1993 and 2010 (N=96) using a self-organizing map. The cell density of M. aeruginosa wa...

In order to reduce the farming intensity and increase habitat heterogeneity, wetlands are often created in agricultural landscapes. This is because wetlands in agricultural landscapes can decrease sediment deposition, i.e., phosphorus and nitrogen, released as a result of cultivation and fertilization. Additionally, the creation of wetlands can imp...

We investigated the effect of crop type heterogeneity on carabid beetles in intensively managed agricultural landscapes. We compared different crops and habitat type configurations and compositions. In addition we assessed the effect of artificial fragmentation by paved roads and water channels in an agricultural landscape. Crop type heterogeneity...

Climate change and environmental disturbance: river and wetland ecosystem

River channel dredging and riparian development have been influenced morphology and quantity of natural river habitat. We compared distribution of riverside land and alluvial island in the Nakdong River with field survey and remote sensing analysis after the 4 Large River Project in South Korea. We digitized geomorphological elements, includes main...

We identified research trends for freshwater exotic species in South Korea using text mining methods in conjunction with bibliometric analysis. We searched scientific and common names of freshwater exotic species as searching keywords including 1 mammal species, 3 amphibian-reptile species, 11 fish species, 2 aquatic plant species. A total of 245 a...

The increasing prevalence of social networks provides researchers greater opportunities to evaluate and assess changes in public opinion and public sentiment towards issues of social consequence. Using trend and sentiment analysis is one method whereby research- ers can identify changes in public perception that can be used to enhance the developme...

We systematically analyzed the Wetland Conservation Action Plan of Gyeongsangnam Province to evaluate conservation status in local government level. Project topics were categorized into 1) wetland infrastructure, 2) wetland conservation and wise use, 3) education and awareness, and 4) conservation framework. From 2010 to 2013, 42 projects (145 case...

We investigated the trends and characteristics of individuals visiting four wetlands in South Korea. A total of 21,647,242 people visited the four wetlands from 2007 to 2012. The number of visitors increased significantly after the tenth Conference of Contracting Parties to the Ramsar Convention on Wetlands held in South Korea in 2008. Visitor data...

In order to reduce the farming intensity and increase habitat heterogeneity, wetlands are often created in agricultural landscapes. This is because wetlands in agricultural landscapes can decrease sediment deposition, i.e., phosphorus and nitrogen, released as a result of cultivation and fertilization. Additionally, the creation of wetlands can imp...

We investigated the trends and characteristics of individuals visiting four wetlands in South Korea. A total of 21,647,242 people visited the four wetlands from 2007 to 2012. The number of visitors increased significantly after the tenth Conference of Contracting Parties to the Ramsar Convention on Wetlands held in South Korea in 2008. Visitor data...

A book that provides students and educators a glimpse at how wetlands have influenced society since the beginnings of documented human history. The book supports elementary and middle school students and educators in giving a simple base for the interaction of human civilization and natural systems within the context of a wetland and its component...

Landscape morphology of a watershed plays an important role on determination of the ecological health in the stream or river ecosystems. A habitat-riparian index system (HIS) is a newly developed metric to estimate stream naturalness in Korea. In this study, we focus on a predictive assessment of the HIS associated with stream integrity, and then a...

Climate change and biodiversity (LTER)

Use of the Internet by an increasing number of people to search for information related to varying disciplines has led to more precise data on societal views and trends. We used web search log data from a 6-year period and examined characteristics related to public interest in endangered species. Web search data for 246 endangered species as determ...

Improving public awareness of protected wetlands facilitates sustainable wetland management, which depends on public participation. One way of gauging public interest is by tracking Internet search behavior (ISB). We assessed public awareness of issues related to protected wetland areas (PWAs) in South Korea by examining the frequencies of specific...