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장현도,임효선,한세희,오아미,오병운,양선규,Jang, Hyun-Do,Leem, Hyosun,Han, Seahee,Oh, Ami,Oh, Byoung-Un,Yang, Sungyu 한국환경과학회 2020 한국환경과학회지 Vol.29 No.6
In order to provide fundamental information about the floristic composition of the area along with an assessment of the environmental impact, a floristic study of the vascular plants in the Tamjin River estuary in Gangjin-gun was conducted for a total of nine days, in the period from June 2014 to September 2014. We found that the vascular plants in this region comprised 424 taxa belong to 102 families, 281 genera, 390 species, 5 subspecies, 26 varieties, and 3 forma. Five taxa of Korean endemic plants including Weigela subsessilis (Nakai) L.H.Bailey, Lespedeza maximowiczii var. tricolor (Nakai) Nakai, and Clematis trichotoma Nakai were collected. Two least concern (LC) taxa of rare plants (as designated by the Korea Forest Service) were collected: Hydrocharis dubia (Blume) Backer and Platycladus orientalis (L.) Franco. Ten the floristic regional indicator taxa from the third to the fifth grade were identified: two taxa belonged to grade IV, and eight taxa belonged to grade III. Twenty-four taxa of salt-tolerant plants, including Artemisia fukudo Makino, Carex rugulosa Kuk., and Suaeda glauca (Bunge) Bunge, as well as 44 taxa of aquatic plants, including Najas marina L., Nuphar oguraensis Miki, and Nymphoides indica (L.) Kuntze, were investigated in this region. Fifty-nine taxa of naturalized plants were recorded, among which the following six taxa were plants that caused ecosystem disturbance: Ambrosia artemisiifolia L., Humulus scandens (Lour.) Merr., Lactuca scariola L., Rumex acetosella L., Solidago altissima L., and Symphyotrichum pilosum (Willd.) G.L.Nesom.
한세희(Seahee Han),임효선(Hyosun Leem),장현도(Hyun-Do Jang),김윤영(Yoon-Young Kim),소순구(Soonku So) 한국자원식물학회 2022 한국자원식물학회지 Vol.35 No.2
The study on vascular plants of Gayasan National Park was conducted in 2016 over a period of 34 days from March to October 2016. As the study, a total of 768 taxa were recorded, including 118 families, 396 genera, 691 species, 15 subspecies, 51 varieties, and 11 forms. In the vascular plants, four endangered wild plants were recorded, Ponerorchis cucullata (L.) X.H.Jin, Trientalis europaea var. arctica (Fisch.) Ledeb., Cypripedium macranthos Sw., and Pedicularis hallaisanensis Hurus. Taxa of Least Concern (LC) or higher level on National Red List published by the Ministry of Environment of Korea were 21 taxa for example Tricyrtis macropoda Miq., and Lilium cernuum Kom. A total of 37 Korean endemic plants were investigated for example Abies koreana E.H.Wilson and Impatiens atrosanguinea (Nakai) B.U.Oh & Y.P.Hong. A total of 162 taxa of floristic regional indicators (3rd to 5th degree) were investigated including 9 taxa of V, 15 taxa of IV, 38 taxa of III, 45 taxa of II, and 53 taxa of I. Naturalized plants were recorded a total of 46 taxa with a Naturalization Index of 6.0%, the Urbanization Index was calculated to be 14.3% and 5 taxa of ecosystem disturbance plants were investigated such as Sicyos angulatus L., Rumex acetosella L., and Humulus scandens (Lour.) Merr. As the result of comparison with previous studies, in this study a total of 206 taxa were newly identified including 62 families, 144 genera, 184 species, 2 subspecies, 15 varieties, and 5 forms.
국립수목원 전시원 내 인공새집 이용 조류의 둥지재료 특성 연구
심지연(Jiyeon Sim),김윤하(Yunha Kim),이수호(Sooho Lee),장현도(Hyun-Do Jang),김영재(Youngjae Kim),진혜영(Hyeyoung Jin),김현진(Hyunjin Kim) 한국조류학회 2024 한국조류학회지 Vol.31 No.1
본 연구는 국립수목원 전시원 내에 설치한 인공새집을 이용하는 조류의 둥지재료 분석을 목적으로 수행되었다. 연구를 위해 국립수목원의 식물진화속을걷는정원, 관상수원, 약용식물원의 3개 전시원 내에 20개의 인공새집을 설치하였다. 관찰 결과, 수동성 조류인 박새과 박새(둥지 2개), 곤줄박이(둥지 10개)와 솔딱새과 딱새(둥지 1개)와 흰눈썹황금새(둥지 1개)가 사용하였고, 번식에 사용된 인공새집 내 둥지 중 총 14개(2022년 12개, 2023년 2개)를 수거하여 둥지별, 종별, 과별 등으로 재료를 분석하였다. 수거한 둥지는 냉동과 건조 과정을 거친 후 자연재료(이끼, 식물성재료, 동물성재료, 흙, 기타)와 인공재료로 분류하고 각각의 무게를 측정하였다. 건조 후 둥지재료의 무게는 박새과 28.5g, 솔딱새과 44.5g으로 박새과에 비해 솔딱새과가 1.6배 높았고, 이는 통계적으로 유의한 수치였다. 사용 비율은 이끼(44.8%)가 가장 높았고, 토양(25.6%), 식물성재료(21.5%), 기타(5.1%), 동물성재료(3.0%), 그리고 인공재료 순이었다. 모든 둥지에서 사용된 이끼 구성 비율은 박새과가 51.4%이고 솔딱새과가 24.4%로 27.0%의 차이를 보였으며, 이는 통계적으로 유의한 차이였다. 본 사례는 수목원의 전시원 내 수동성 조류의 둥지재료의 특성을 분석한 연구로 산림생물 다양성 증진을 위한 조류 유도 연구에 매우 유용한 기초자료로 활용될 것으로 판단된다. The nest materials of birds that use artificial nest boxes in the gardens of the Korea National Arboretum were investigated. Twenty artificial nest boxes were installed in the three gardens: the Plant Evolution Garden, Ornamental Tree Garden, and Medicinal Plant Garden. A total of 14 (12 in 2022 and 2 in 2023) nests were established in artificial nest boxes for breeding by birds belonging to Paridae (Parus major, Sittiparus varius) and Muscicapidae (Phoenicurus auroreus, Ficedula zanthopygia), and the nest materials were analyzed by nest, species, and family. The gathered nests were frozen, dried, and categorized into natural (moss, plant and animal materials, soil, and other materials) and artificial materials, and then weighed. After drying, the weight of the nests was 28.5 g for Paridae and 44.5 g for Muscicapidae, which was 1.6 times higher for Muscicapidae than for Paridae, and the difference was significant. Moss was the most common component (44.8%) followed by soil (25.6%), plant material (21.5%), other materials (5.1%), animal material (3.0%), and artificial material. The proportion of moss used in all nests was 51.4% and 24.4% in Paridae and Muscicapidae, respectively, with a significant difference of 27.0%. These results reveal the characteristics of nesting materials of secondary cavity nesters in the gardens of the Korea National Arboretum and are a highly relevant contribution to the research project on bird induction to enhance forest biodiversity.
정희정 ( Hee-jeong Jeong ),유승연 ( Seung-yeon Yu ),조은지 ( Eun-ji Cho ),지용주 ( Yong-joo Ji ),김용석 ( Yong-suk Kim ),오현경 ( Hyun-kyung Oh ),이종성 ( Jong-sung Lee ),장현도 ( Hyun-do Jang ),조동길 ( Dong-gil Cho ) 한국지리정보학회 2023 한국지리정보학회지 Vol.26 No.2
In Korea, excessive vegetation in rivers made up of sand and gravel is emerging as a nationwide problem, which is attributed to increased spring precipitation and decreased annual precipitation. Therefore, this study was conducted for the purpose of identifying the effect of changes in precipitation patterns on river vegetation in Namcheon, Gyeongju, and analyzing the area of vegetation and ecological characteristics. As a result of the study, the amount of monthly precipitation in the summer of Namcheon decreased after 2007, and the area of vegetation increased continuously compared to the area of the sandbank. The proportion of naturalized plants increased steadily when precipitation continued to a level that did not cause flooding, but the area occupied by naturalized plants was small. Also, when the water level is maintained, the species diversity is low due to the dominance of a single species, and the dominant species was mainly native plants. Dominance of native plants inhibited the growth of naturalized plants, but the vegetation area increased even more. Therefore, it is necessary to manage the spread of vegetation itself rather than the division of native plants and naturalized plants in order to eliminate the active growth and prosperity of river vegetation. High water levels and continuous flooding caused by torrential rains in summer disturbed the plant communities, and vegetation formed afterwards was mainly native plants. Such flooding in river ecosystems is a positive factor for the emergence of native plants and over-formed vegetation communities, so it should be considered when establishing a vegetation management plan.