• 한국환경복원기술학회지
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• 제24권1호
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• pp.81-96
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• 2021

The purpose of this study was conducted in order to provide the necessary basic data, to establish management solutions and to improve biodiversity by calculating similarity index, urbanization index (UI), and disturbed index (DI) to understand current status of naturalized and invasive alien plants in Eulsukdo, Maekdo and Samnak ecological parks in Busan, South Korea. The numbers of naturalized plants identified in these parks were 76 taxa; 20 families, 53 genera, and 76 species. As a result of the similarity index analysis, the most similarity level (83.0%) was obtained at Eulsukdo and Maekdo parks. The numbers of invasive plants identified in the two parks were 11 taxa; Rumex acetosella L., Sicyos angulatus L., Solanum carolinense L., Ambrosia artemisiifolia L., Ambrosia trifida L., Hypochaeris radicata L., Lactuca serriola L., Solidago altissima L., Symphyotrichum pilosum (Willd.) G.L.Nesom, Paspalum distichum L., and Humulus scandens (Lour.) Merr. Overall, UI and DI were 28.6% and 66.7%, respectively, indicating that the ecosystem disruption was serious.

• 한국조경학회지
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• 제31권2호
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• pp.83-93
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• 2003

This study was conducted for an understanding of a threatened plant species,“Penthorum chinense”, which is a vegetation structure and environmental characteristic in the southern part of Ibaraki, Japan. We selected distribution and contiguity area where P. chinense is not distributed and we set up 69 sites by the quardrat method. The surveyed general characters in each site include mean-height, mean-coverage, moisture condition water depth coverage and depth of litter layer. We calculated the degree of succession by the survey data and grasped the main distribution area, vegetation structure, growth environment of P. chinense by TWINSPAN classification and DCA ordination. The results of this study are as follows. First, P. chinense habitat was categorized into the riverside and abandoned paddy fields. The riverside was influenced by natural disturbance caused by flooding and drought. These conditions led to a poor P. chinense growth. The abandoned paddy fields as the artificial disturbance area have high potential value, because the area can preserve P. chinense growth space by succession control and water management. second, we executed TWINSPAN analysis based on vegetation coverage data of survey sites. The vegetation types were classified into the three categories: annual plant flora(P. chinense dominates in wet state), perennial plant flora(Solidago altissima dominates in dry state), and perennial plant flora(Phragmites communis dominates in wet state). Third, the data was ordinated by DCA. The sample sequences along the first and second DCA axes effectively reflected moisture condition, number of species, mean height, coverage of litter layer and degree of succession. Especially, P. chinense flora has the high correlation with moisture condition and number of species.

• 한국자원식물학회지
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• 제10권1호
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• pp.39-44
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• 1997

몇가지 생장조절제, 온도 및 광 조건의 차이에 의한 취나물류(참취, 개미취, 수리취 미역취 곰취)의 발아특성을 살펴본 결과는 다음과 같다. 1. 수리취는 암조건에서, 곰취, 참취, 개미취, 미역취는 명조건에서 발아율이 더 높았다. 2. 생장조절제를 처리한 종자는 명조건에서 참취를 제외한 4종의 발아율이 2-10% 향상되었다. 생장조절제 가운데 BA가 가장 효과적이었으며 무처리에 비하여 수리취에서 33%, 곰취에서 20%, 개미취에서 7% 발아율을 향상시켰다. 2. 명조건에서 발아일수는 곰취가 14일로서 가장 길었고 수리취 10일, 개미취 8일, 참취 7일, 미역취 5일 순이었다. 무처리에 비하여 생장조절제 처리구에서는 곰취, 참취, 미역취에서 각각 1일씩, 개미취와 수리취에서 각각 2일씩 단축되었다. 3. 생장조절제를 처리한 종자는 암조건에서 무처리에 비하여 7-29% 발아율이 향상되었으며 BA가 가장 효과적이었다. 4. 무처리에 비하여 암조건의 생장조절제처리구에서는 개미취 (2일), 수리취(1일), 곰취(1일)의 발아일수가 길어진 참취는 5일이 단축되었다. 수리취를 제외한 나머지 4종의 취나물류 종자의 발아일수는 BA처리에서 1-5일 단축되었다. 5. 참취는 $10^{\circ}C$, 수리취와 곰취는 $15^{\circ}C$, 개미취와 미역취는 $25^{\circ}C$에서 가장 높은 발아율을 나타냈으며 발아에 효과적인 BA의 적정 농도는 수리취가 200ppm, 곰취와 개미취가 100-150ppm, 참취가 100ppm이었고 미역취는 BA농도에 따른 발아율 차이가 인정되지 않았다.

• 한국환경과학회지
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• 제29권6호
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• pp.579-603
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• 2020

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.

• 한국축산식품학회지
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• 제31권5호
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• pp.668-675
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• 2011

The effects of adding goldenrod leaf (GL) and stem powder (GS) (1 and 2%) to sausage meat were evaluated for quality characteristics. The compositional properties, pH, cooking yield, instrumental color, emulsion stability, viscosity, texture, and sensory properties were investigated. Adding GL and GS increased the moisture and ash concentration in sausages. Furthermore, increasing the amount of added GL and GS helped to develop (p<0.05) cooking yield, emulsion stability, and viscosity in the meat batters. Sausages with 2% GL and GS had significantly higher springiness and hardness than those of the control. No significant differences in cohesiveness were observed among the treatments. CIE L*and CIE a*values were highest (p<0.05) in the control sausage. Treatment with 2% GL resulted in the highest CIE b* values (p<0.05) in batter and sausages. No significant difference was observed between the control and other treatments for the overall acceptability. Overall, this study indicated that GL and GS could be used as dietary fiber in sausages to improve quality characteristics.

• 생약학회지
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• 제42권2호
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• pp.149-154
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• 2011

Seventeen 30% EtOH extracts from the Compositae plants collected in Gangwon-do, Korea during autumn season were analyzed by HPLC using three standard caffeoylquinic acids (chlorogenic acid, 3,5-di-O-caffeoylquinic acid, 3,5-di-Omuco-quinic acid) and six flavonoids (rutin, isoquercitrin, astragalin, quercitrin, quercetin and kaempferol) to find the composition of phenolic compounds and also assayed to evaluate the peroxynitrite (ONOO$^-$) scavenging effect. The extracts with $IC_{50}$ values less than 2.0 ${\mu}g/ml$ were as follows: Aster tartaricus ($IC_{50}$, $1.26{\pm}0.10\;{\mu}g/ml$), A. maaki ($1.45{\pm}0.03\;{\mu}g/ml$), Solidago virga-aurea, ($1.45{\pm}0.03\;{\mu}g/ml$), Picris hierraciodes var. glabrescens ($1.45{\pm}0.04 \;{\mu}g/ml$), Lactuca triangulata ($1.50{\pm}0.09\;{\mu}g/ml$), Chrysanthemum zawadskii ssp. acutilobum, ($1.79{\pm}0.14\;{\mu}g/ml$). Particularly, the proportion of total phenolic compounds measured in the extract of L. triangulata was highest as the value 54.51%.

• Plant Resources
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• 제3권2호
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• pp.138-147
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• 2000

This examination of vegetation is conducted from June to Oct. 1999 through on the spot survey, centering on the habitat of Abies koreana around Imgeolryeong, Jangteomok, and Jeseokbong in Mt Jiri and Yeongsil path and Seongpanak path in Mt. Halla. Species composition tables of the Abies koreana community by altitude and slope in Mt. Jiri and Mt. Halla are made based on the community composition tables examined in quadrat. The Abies koreana-Saso quelpaertensis community in a west slope of Mt. Halla is found that Abies koreana of 4-6m in height forms subtree layer and that of 8-9m in height the tree layer and it reflects a difference between community structure by slope and main composition species. While the tree layer of Abies koreana community is 12-14 in height around the area of 1,290-1,560m above the sea of Imgeolryong and path from Baekmudong to Jangteomok, it is 8-12m in height in the area of 1,680-1,780m above the sea of path from Jangteomok to Jeseokbong. It means that community structure depends on area and attitude. This study finds out that commonly appearing composition species similar to coverage and presence are Lepisorus thunberianus, Quercus mongolica, Solidago virga-aurea var. asiatica, Ligularia fischeri, Carex lanceolata, Clintonia udensis, Magnolia sieboldii, Betula ermani, Acer pseudo-sieboldianum. As soil environment of surveyed area, pH of surveyed spots is similar in Mt. Jiri and Mt. Halla, electrical conductivity is higher in Mt Jiri, and contents of organic matter is relatively higher in a west slope of Mt. Jiri and Mt. Halla and lower in their south and west slopes. Contents of organic matter and total nitrogen show that the area of 1,550m above the sea in a west slope of Mt. Halla is some higher. For pH and contents of total nitrogen and organic matter, Mt. Halla is higher than Mt. Jiri but for electrical conductivity, Mt. Jiri is relatively higher than Mt. Halla.

• Journal of Ecology and Environment
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• 제41권6호
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• pp.173-181
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• 2017

Background: This study was undertaken to analyze the distribution and ecological characteristics of invasive alien plant species on Jeju Island, and to provide basic data for their management and control. Results: A field research was conducted at 436 locations on Jeju Island. The field research identified nine species of invasive alien species growing on Jeju Island. Based on the distribution pattern, Hypochaeris radicata L., Rumex acetosella, and Ambrosia artemisiifolia L. were found to be distributed horizontally throughout Jeju Island, with vertical growth in two or more vegetation zones, from warm temperate to the subalpine zone. Widely distributed species penetrate various habitats, such as grasslands, ranches, roadsides, farmlands, and empty lots, and have an immensely negative impact on the ecosystem, including declining biodiversity on Jeju Island. Paspalum distichum var. indutum Shinners, Paspalum distichum L., Solanum carolinense L., and Aster pilosus Willd. were distributed in some areas as a biased distribution species, whereas Lactuca scariola L. and Solidago altissima L. were found only in certain areas as centralized distribution species. Conclusions: The centralized distribution species and biased distribution species of the invasive plants in the ecosystem of Jeju Island should be physically eliminated, keeping in mind the short- and mid-term perspectives and monitoring, and by considering expansion of additional distribution areas. Due to limitations of physical/chemical elimination, time, and cost, widely distributed species require to be eliminated and managed, mainly to restore the integrity of the ecosystem, by planting native species to reestablish the habitat.

• 환경생물
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• 제22권3호
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• pp.381-386
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• 2004

모델을 통한 지구의 탄소순환 과정을 정확한 예측과 검정을 위해서는 다양한 생태계에 대한 정확한 실측자료가 요구된다. 본 연구는 엔진부착형 패러그라이더로 손쉽게 얻을 수 있는 공중사진과 현장 관측을 통해 다양한 형태로 축적된 초원 생태계의 유기물(탄소량)을 정량하고 천이의 진행에 따라 초원 생태계의 유기물의 축적형태가 어떻게 변화할 것인가에 대해 고찰하였다. 연구결과 조사대상 지역의 주요 우점종은 서양미역취, 띠, 억새의 3종이었고, 각각의 군락에 축적된 유기물량은 서양미역취 군락이 7.00 kg $m^{-2}$, 띠군락이 9.18 kg $m^{-2}$, 억새군락이 12.68 kg $m^{-2}$ 로 천이후기로 진행할수록 높아지는 경향을 나타냈다. 하지만 토양에 축적된 유기물량은 반대의 경향을 나타냈다. 토양에 축적된 유기물이 적어짐에도 불구하고 군락이 축적된 총유기물량이 증가하는 이유는 억새군락이 가진 현존량이 증가하기 때문으로 나타났다. 초원생태계에서 천이계열상 가장 후기에 나타나는 억새군락의 우점도 증가는 지상에 온대초원생태계의 탄소축적량 증가에 기여할 것으로 사료된다.

• Weed & Turfgrass Science
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• 제3권3호
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• pp.206-214
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• 2014

외국으로부터 도입된 관상식물의 귀화 사례가 국내외에서 다수 보고되고 있다. 외래 관상식물의 국내 생태계 영향 파악을 위한 기초자료를 확보하고자, 국내의 귀화식물 309종을 대상으로 관상식물로 분류할 수 있는 78종의 목록을 작성하고, 생활형과 원산지 전세계적인 귀화 및 규제 현황을 분석하였다. 국내에 귀화한 외래 관상식물은 국화과 식물이 23종으로 가장 많았다. 75종이 초본으로 대부분을 차지하였으며, 다년생 식물이 일년생 및 이년생 식물에 비해 많았다. 유럽과 북아메리카가 원산지인 식물이 가장 많았으며, 약모밀을 제외한 나머지 77종은 해외에서도 귀화 사례가 보고되었다. 미국쑥부쟁이와 양미역취 등 34종은 국내 또는 해외에서 규제 또는 주의 대상으로 분류된 종들이므로, 이들의 확산을 방지하기 위한 모니터링이 필요할 것이다.