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http://dx.doi.org/10.11614/KSL.2014.47.3.176

Population Structure and Fine-scale Habitat Affinity of Cymbidium kanran Protected Area as a Natural Monument  

Shin, Jae-Kwon (Plant Conservation Division, Korea National Arboretum)
Koo, Bon-Youl (Plant Conservation Division, Korea National Arboretum)
Kim, Han-Gyeoul (Plant Conservation Division, Korea National Arboretum)
Kwon, He-Jin (Plant Conservation Division, Korea National Arboretum)
Son, Sung-Won (Plant Conservation Division, Korea National Arboretum)
Lee, Jong-Seok (Plant Conservation Division, Korea National Arboretum)
Cho, Hyun-Je (Korea Forest Ecosystem Institute)
Bae, Kwan-Ho (School of Ecology & Environmental System, Kyungpook National University)
Cho, Young-Chan (Plant Conservation Division, Korea National Arboretum)
Publication Information
Korean Journal of Ecology and Environment / v.47, no.3, 2014 , pp. 176-185 More about this Journal
Abstract
There are no population ecological research on the natural monument (No. 191) Jeju Cymbidium kanran in South Korea. In this study, we analyzed the population structure and fine-scale habitat affinity of C. kanran in Sanghyo-dong, Jejudo Island from Oct. 2013 to Feb. 2014. We observed total of 1,237 individuals (4,341 pseudobulbs) of C. kanran (989.6 population $ha^{-1}$) within (1.25 ha) and only 17 (1.4%) individuals were inflorescent. In 60.9% of the entire populations, disease symptoms such as spots and blight leaves were observed. C. kanran populaton exhibited reverse-J shaped size distribution based on leaf area classes as individual size parameter. The three size related attributes of C. kanran (no. of pseudobulb $r_s$=-0.159, no. of leaves $r_s$=-0.148 and leaf arera $r_s$=-0.114) and soil temperature revealed a negative relationship (p<0.0001). Most of C. kanran (95.4%) were grown under Castamopsis cuspidata and spatially, C. kanran were strongly clumped at all distances. Population characteristics of C. kanran in the study area were likely originated from species habitat affinity and successional environment. Through this study, base line data for C. kanran's habitat monitoring was established and conservation measures based on population characteristics were discussed.
Keywords
Cymbidium kanran; endangered species; habitat affinity; natural monument; protected area;
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