소록도 식물군락 내 종 다양성에 영향을 미치는 환경 요인 분석 (Environmental Factors Influencing Plant Species Diversity within Plant Communities of Sorokdo Island, Korea)

김동욱 (DongUk Kim); 이성제 (SungJe Lee); 김영하 (YungHa Kim); 이중효 (JungHyo Lee)

doi:10.14249/eia.2025.34.6.448

Environmental Factors Influencing Plant Species Diversity within Plant Communities of Sorokdo Island, Korea

Journal of Environmental Impact Assessment
Abbr : J EIA
2025, 34(6), pp.448~463
DOI : 10.14249/eia.2025.34.6.448
Publisher : Korean Society Of Environmental Impact Assessment
Research Area : Engineering > Environmental Engineering
Received : November 10, 2025
Accepted : December 3, 2025
Published : December 30, 2025

DongUk Kim ¹, SungJe Lee ¹, YungHa Kim ¹, JungHyo Lee ¹

¹국립생태원

Accredited

ABSTRACT

This study examined how topography and soil moisture influence plant species diversityin Sorokdo Island’s vegetation communities. Fifty-two plots were surveyed, and RDA, regression,and GAM analyses were conducted to identify key determinants. Species composition was clearlystructured along topographic and moisture gradients. Slope negatively affected diversity, while soilmoisture showed a positive effect. Although GAM detected some nonlinear responses, its predictivepower was similar to the linear model. Overall, vegetation diversity was mainly explained by linear topographic–moisture gradients. Thus, Sorokdo Island’s ecosystem demonstrates a predictable environmental gradient despite itsmicrotopographic complexity.

KEYWORDS

RedundancyAnalysis(RDA), GeneralizedAdditive Model(GAM), Soil Moisture, Microtopography

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Journal of Environmental Impact Assessment 2025 KCI Impact Factor : 0.63

Environmental Factors Influencing Plant Species Diversity within Plant Communities of Sorokdo Island, Korea

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* References for papers published after 2025 are currently being built.

Journal of Environmental Impact Assessment 2025 KCI Impact Factor : 0.63

Environmental Factors Influencing Plant Species Diversity within Plant Communities of Sorokdo Island, Korea

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