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The relationship between Microenvironmental Features and Distribution of Lichen Cladonia in Antarctica

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Title
The relationship between Microenvironmental Features and Distribution of Lichen Cladonia in Antarctica
Other Titles
남극 지의류인 Cladonia의 바톤반도 내 분포와 주변 미환경과의 연관관계
Authors
Noh, Hyun-Ju
Hwang, Kyuin
Yoon, Young-Jun
Cho, Jang-Cheon
Hong, Soon Gyu
Keywords
Cladonia; lichen distribution
Issue Date
2019
Citation
Noh, Hyun-Ju, et al. 2019. The relationship between Microenvironmental Features and Distribution of Lichen Cladonia in Antarctica. 2019 International Meeting of the Microbiological Society of Korea. Jeju Convention Center. 2019.04.16~2019.04.19.
Abstract
The Barton Peninsula of King George Island, Antarctica, is a small area but their topographical features including a variety of slopes, aspect, and elevation result in a various microclimate and diverse vegetation such as lichens, mosses, liverworts, and vascular plants. Among terrestrial vegetation, lichens are sensitively affected nearby environmental condition because the whole body of a lichen is directly exposed to external environments. However, the environmental factors that largely determine the distribution of lichen in Antarctica have been poorly understood across the Barton peninsula. To investigate the distribution pattern of lichens Cladonia squamosa and C.gracilis complex that are widely distributed in Barton Peninsula and the factor that influences their distribution, a total of 177 Cladonia samples were collected in 11 different sites and frequency of distribution of vegetation, microclimatic and topographic data were obtained at each site. There were several sites, which were observed to inhabit only one species of Cladonia. Correlation analyses between the distribution of Cladonia species and environmental data revealed that distribution of moss Chorisodintium aciphyllum, aspect, temperature, and moisture were closely related to a distribution of Cladonia species. These results imply that various geographical features and microclimate conditions can affect the distribution of lichen and environmental shift may cause a change in a distribution of vegetation.
URI
https://repository.kopri.re.kr/handle/201206/12286
Conference Name
2019 International Meeting of the Microbiological Society of Korea
Conference Place
Jeju Convention Center
Conference Date
2019.04.16~2019.04.19
Appears in Collections  
2019-2019, Modeling responses of terrestrial organisms to environmental changes on King George Island (19-19) / Lee, Hyoungseok (PE19090)
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