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안경환 ( Kyunghwan Ahn ),임정철 ( Jeongcheol Lim ),한창욱 ( Changuk Han ),이윤경 ( Yunkoung Lee ),조항수 ( Hangsoo Cho ),서재화 ( Jaehwa Suh ),서민환 ( Minhwan Suh ),신영규 ( Youngkyu Shin ),김명진 ( Myungjin Kim ) 한국환경영향평가학회 2015 환경영향평가 Vol.24 No.5
The purpose of this study was to understand phytosociological characteristics and changes, providing basic ecology informations based for heronries. We investigated the 25 heronries sites to have more than a hundred nests in the country. The vegetations of heronries were arranged 8 plant communities that consisted of 60 families, 129 genuses and 167 species including 17 species of exotic species. The communities of heronries were composed of high NCD (Net Contribution Degree) of plants, such as pokeberry (Phytolacca americana), japanese chaff flower (Achyranthes japonica), asiatic dayflower (Commelina communis) including diagnosis species, that was heliophilous and tolerance of eutrophic and/or acidic soil condition, and had the highest composition with the annual plants. As locational condition, they were distributed a favorite feeding place (rice field, stream etc.) inside 0.5 km radius, and located on the eastern slope of the mountain. The vegetative composition among plants in the heronries didn’t have plant sociological characteristics for environmental conditions of the sites. But generally, they had trends in floristic composition like the areas of polluted soil, open canopy and disturbance.