• Title/Summary/Keyword: Ecological research

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Establishing a Research Framework for Ecological Aesthetics: A Methodological Review (생태미학 연구의 개념화 및 방법론 탐구)

  • Lee, Jong-Seon
    • Journal of the Korean Institute of Landscape Architecture
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    • v.45 no.4
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    • pp.71-80
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    • 2017
  • Landscape design pursues a balance among different values in our society, but aesthetic value and ecological value in landscapes must bring complex relationships into harmony. Ecological aesthetics can be defined as a domain of study that manages the relationship between landscape ecology and landscape aesthetics to create aesthetically attractive and ecologically beneficial landscapes. Despite the importance of the research area, there has been limited empirical research addressing ecological aesthetics. This article aspires to connect and expand the conceptual framework to the research methodologies of ecological aesthetics. First, this study suggests a conceptual framework that examines the relationship between landscape and perceptual process in the context of ecological aesthetics. This framework stresses the importance of information and design intervention as moderators in this relationship. From this framework, three key topics in ecological aesthetics arise: (1) correlation between ecological integrity and aesthetic preference, (2) "compromised" design and management intervention principles that enhance aesthetic pleasure and still have biodiversity, and (3) the impact of information intervention in aesthetic experience. The framework indicated three domains affect each other; thus, when one domain is studied, the other two need to be considered. Secondly, several theoretical and empirical studies on ecological aesthetics will be reviewed from a methodological point of view. This will help to consider ecological aesthetics research, which has primarily been limited to theoretical discourse in empirical research.

An Application of Ecological Family Welfare Model on Stress Coping Strategy and Psychological Wellbeing (생태학적 가정복지 모형의 적용으로 스트레스 대처전략과 심리적 복지 분석)

  • 전효정
    • The Korean Journal of Community Living Science
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    • v.14 no.2
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    • pp.107-117
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    • 2003
  • The purpose of this study was to investigate university freshmen' stress coping strategy and psychological wellbeing to appling ecological family life welfare model. Based on Bronfenbrenner's ecological perspective, “ecological family welfare model”, which includes person(individual attributes), context(family backgrounds), process(mechanism of development), and time (the specific period), was suggested as a new research paradigm for family welfare life research. The questionnaire study was done for 171 freshmen of an university in Pusan. The results show the suggested research model was significant and effective to explain the mechanism of stress coping strategy and psychological wellbeing. Individual attributes(i. e., attachment style) and family context have an impact on family cohesion and adaptability which in turn affect stress coping strategies which then affect individual psychological wellbeing.

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Trend Analysis of Research Topics in Ecological Research

  • Suntae Kim
    • Proceedings of the National Institute of Ecology of the Republic of Korea
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    • v.4 no.1
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    • pp.43-48
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    • 2023
  • This study analyzed research trends in the field of ecological research. Data were collected based on a keyword search of the SCI, SSCI, and A&HCI databases from January 2002 to September 2022. The seven keywords, including biodiversity, ecology, ecotourism, species, climate change, ecosystem, restoration, wildlife, were recommended by ecological research experts. Word clouds were created for each of the searched keywords, and topic map analysis was performed. Topic map analysis using biodiversity, climate change, ecology, ecosystem, and restoration each generated 10 topics; topic maps analysis using the ecotourism keyword generated 5 topics; and topic map analysis using the wildlife keyword generated 4 topics. Each topic contained six keywords.

Perspectives on the new National Ecological Institute in South Korea

  • Crane, Peter R.;Choe, Jae-C.
    • Journal of Ecology and Environment
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    • v.33 no.4
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    • pp.271-274
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    • 2010
  • The Ministry of Environment of South Korea has launched its plan to establish the National Ecological Institute. An International Symposium and Workshop was held at Ewha Womans University in Seoul on Thursday, 30 September 2010, to strengthen international cooperation, networking and partnerships for the conservation of biodiversity. This symposium was attended by experts of many major institutions for biodiversity conservation from South Korea and overseas. At the symposium and workshop preceded by a keynote speech by the renowned primatologist and conservation biologist Jane Goodall the participants discussed a wide range of topics including "biodiversity conservation: in situ and ex situ approaches", "conservation of species diversity and ecosystem management", and "international cooperation for biodiversity conservation and research". As a basis for future discussions, this article summarizes how the National Ecological Institute might contribute most effectively to public life and environmental management in South Korea and worldwide. It addresses the following issues: governance and funding, synergies within Korea, participation in international networks, external advice, a broad view of ecological issues, research agenda, building on identity, public outreach, and training the next generation of scientists.

Machine Learning Application to the Korean Freshwater Ecosystems

  • Jeong, Kwang-Seuk;Kim, Dong-Kyun;Chon, Tae-Soo;Joo, Gea-Jae
    • The Korean Journal of Ecology
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    • v.28 no.6
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    • pp.405-415
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    • 2005
  • This paper considers the advantage of Machine Learning (ML) implemented to freshwater ecosystem research. Currently, many studies have been carried out to find the patterns of environmental impact on dynamics of communities in aquatic ecosystems. Ecological models popularly adapted by many researchers have been a means of information processing in dealing with dynamics in various ecosystems. The up-to-date trend in ecological modelling partially turns to the application of ML to explain specific ecological events in complex ecosystems and to overcome the necessity of complicated data manipulation. This paper briefly introduces ML techniques applied to freshwater ecosystems in Korea. The manuscript provides promising information for the ecologists who utilize ML for elucidating complex ecological patterns and undertaking modelling of spatial and temporal dynamics of communities.

Distribution and current vegetation of Cakile edentula, an invasive alien species in Korea

  • Ryu, Tae-Bok;Choi, Dong-Hui;Kim, Deokki;Lee, Jung-Hyo;Lee, Do-Hun;Kim, Nam-Young
    • Journal of Ecology and Environment
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    • v.42 no.3
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    • pp.120-127
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    • 2018
  • Background: Cakile edentula (Bigelow) Hook. is a successful invader that has been propagating globally. In Korea, Cakile edentula was found in 2008 for the first time, in the east coast of Korean peninsula. Based on site surveys conducted thereafter, Cakile edentula has propagated in the east coast from Goseong to Jeongdongjin, Gangneung and in the west coast of city of Hwaseong of Gyeonggi-do Province, and Taeangun County of Chungcheongnam-do Province. Results: Cakile edentula has infiltrated into four different vegetation communities (syntaxa) (Calystegio soldanellaeSalsoletum komarovii Ohba, Miyawakiet Tx.1967; Elymo-caricetum Kobomugi Miyawaki 1967; Carex pumila; and Calystegia soldanella) belonging to phytosociological classes of saltwort (barilla) and coastal glehnia. Cakile edentula competes with dominant species such as the saltwort (barilla) and beach morning glory, causing qualitative changes in species composition. It also affects local ecosystems through its competition with indigenous species, causing destruction of the traditional landscape. Conclusions: However, competition of Cakile edentula with indigenous species and the resulting replacement of such species are limitedly reported. Potential competitors with Cakile edentula have not been found yet. In Northeast Asia, qualitative changes realized in local ecosystems due to invasion of Cakile edentula are significantly noticeable. These necessitate proper controls for this invasive alien species to protect and preserve coastal dune areas.

Personal Information Management in Korea National Long-Term Ecological Research Community (국가장기생태연구 커뮤니티의 개인정보 관리)

  • Huh, Taesang;Jung, Hoekyung
    • Journal of the Korea Institute of Information and Communication Engineering
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    • v.20 no.12
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    • pp.2274-2281
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    • 2016
  • In the long-term ecological research community, personal information is an important factor for the collaboration of data management and data usage in international long-term ecological research as well as on the national level. If lots of personal information was disclosed, collaborative researchers are useful to carry out research cooperation, whereas, information providers tend to be burdened to disclose it. LTER system should be considered to provide both maximum personal information required by a community and minimum personal information to be provided to unrelated people due to the scale of personal information and a number of the constraints on disclosure in the aspect of information distribution of the laws associated with personal information protection. In this article, we analyze international ecological metadata standard, EML, and trends in personal information management throughout international long-term ecological research platforms and propose a system model capable of managing personal information based on related domestic laws for the international data exchange through design and implementation.

Acute Oral Toxicity of dsRNA to Honey Bee, Apis mellifera (꿀벌에 대한 dsRNA의 급성섭식독성 평가)

  • Lim, Hye Song;Jung, Young Jun;Kim, Il Ryong;Kim, Jin;Ryu, Sungmin;Kim, Banni;Lee, Jung Ro;Choi, Wonkyun
    • Korean Journal of Environmental Agriculture
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    • v.36 no.4
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    • pp.241-248
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    • 2017
  • BACKGROUND: RNA interference (RNAi) eliminates or decreases gene expression by disrupting the target mRNA or by interfering with translation. Recently, RNAi technique was applied to generate new crop traits which provide protection against pests. To establish the environmental risk assessment protocol of RNAi LMO in lab scale, we developed dsRNA expression system using E. coli and tested acute oral toxicity assay to honey. METHOD AND RESULTS: The dsRNA expression vector, L4440, was chosen and cloned 240 bp of Snf7 and GFP gene fragment. To develop the maximum dsRNA induction condition in E. coli, we tested induction time, temperature and IPTG concentration in media. To estimate the risk assessment of dsRNA to honey bee, it has been selected and cultured with dsRNA supplement for 48 hours according to OECD guideline. As a result, the optimum condition of dsRNA induction was $37^{\circ}C$, 4 hours and 0.4 mM IPTG concentration and the difference between Snf7 and GFP dsRNA molecules from E. coli was not significant in survival and behavior to honey bee. Furthermore, blast search results indicated that effective match of predicted dsRNA fragments were not existed in honey bee genome. CONCLUSION: In this study, we developed and tested the acute oral toxicity of dsRNA using E. coli expression system to honey bee.

Recent Ecological Asset Research Trends using Keyword Network Analysis (키워드 네트워크 분석을 활용한 생태자산 연구 경향 분석)

  • Kim, Byeori;Lee, Jae-Hyuck;Kwon, Hyuksoo
    • Journal of Environmental Impact Assessment
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    • v.26 no.5
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    • pp.303-314
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    • 2017
  • The purpose of this study was to determine domestic and foreign ecological asset research trends. We aimed to understand ecological assets research directions and trends by comprehensively analyzing 12 keywords, including those similar to keywords for comparable assets, to identify related fields and regions. Extensive analysis of domestic and foreign studies was conducted through keyword network analysis of textural information. This approach is helpful for understanding the flow of information and identifying research directions. Foreign studies based on sustainability were connected with 'Economic assessment', 'Management' and 'Policy' areas. It was difficult to determine domestic research trends because there are fewer domestic studies than foreign. There were studies that sought to identify economic value of developing regions. This research can be used to guide the research direction for future ecosystem asset analysis in Korea.

Estimation of Ecological Carrying Capacity for Oyster Culture by Ecological Indicator in Geoje-Hansan Bay (생태지표를 이용한 거제한산만 굴양식장의 생태학적 수용능력 산정)

  • Lee, Won-Chan;Cho, Yoon-Sik;Hong, Sok-Jin;Kim, Hyung-Chul;Kim, Jeong-Bae;Lee, Suk-Mo
    • Journal of the Korean Society of Marine Environment & Safety
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    • v.17 no.4
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    • pp.315-322
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    • 2011
  • The importance of aquafarming is increasing all over the world, however the coastal environment in the semi-closed inner bay has been aggravated due to the long term production and the high stocking density. For the sustainable aquafarming, there is a requirement for a eco-friendly fishery management by the estimation of ecological carrying capacity. The model development and application is still in the initial step, because it has to consider the whole ecosystem and all culture activities. As an alternative, there is a requirement for ecological indicator to assess the ecological performance. This study tried the estimation of ecological carrying capacity using ecological indicator. The production and the facility of the oyster farms was 4,935M/T, $49ind./m^3$ in Geoje-Hansan Bay(2008). Filtration pressure indicator was 0.203 which could provide a guidance on the present level of culture development. According to the environmental characteristics and the present oyster farms in Geoje-Hansan Bay, the newly assessed filtration pressure for the acceptable ecological carrying capacity was 0.102. Consequently, ecological carrying capacity in Geoje-Hansan Bay was 2,480M/T, $25ind./m^3$ and this represents the level of culture that can be introduced into Geoje-Hansan Bay without leading to significant changes to ecological process, species, populations or communities. Our study utilized the ecological indicator to estimate ecological carrying capacity of oyster farming for sustainable productivity and this could be the scientific basis for the eco-friendly fishery management.