• 한국환경복원기술학회지
• /
• 제18권4호
• /
• pp.43-62
• /
• 2015

The purpose of this study is to offer the raw data for management and conservation of Korean ecosystem by surveying the present conditions and characteristics of flora to select the ecological and landscape conservation area, Ilwolsan(Mt.), Korea. The numbers of flora in Mt. Ilwol were summarized as 582 taxa including 94 families, 307 genera, 508 species, 4 subspecies, 61 varieties and 9 formas. The rare plants were 15 taxa including Clematis koreana, Aristolochia contorta, Daphne pseudomezereum var. koreana, Iris odaesanensis and so forth. The Korean endemic plants were 14 taxa including Pseudostellaria coreana, Philadelphus schrenckii, Galium koreanum, Weigela subsessilis and so forth. The specific plants by floristic region were 29 taxa including Cimicifuga heracleifolia, Parasenecio firmus, Sorbaria sorbifolia var. stellipila, Acer mandshuricum, Syringa reticulata var. mandshurica and so forth. The naturalized plants were 22 taxa including Fallopia dumetorum, Rumex nipponicus, Trifolium repens, Sonchus asper, Phleum pratense and so forth. A set of important area is rare plant, Korean endemic plant, specific plant emerge a lot of areas.

• 식물분류학회지
• /
• 제50권2호
• /
• pp.239-246
• /
• 2020

Carex nakasimae Ohwi (Cyperaceae) is an endemic species on the Korean peninsula. This study reports a new locality of the species, updating the distribution map. A new population of the species was found during field surveys in 2014 in a small swamp in Haman-gun, Gyeongsangnam-do province, located in the southeastern part of the Korean peninsula. In the flowering and fruiting periods of the species, the population is associated with ca. 91 vascular plant taxa from 40 families. To conserve the endemic species, maintaining the habitat is critical. Furthermore, taxonomic and phylogenetic positions of the species should be clarified to establish biological conservation strategies for the rare, endemic C. nakasimae.

• 한국환경과학회지
• /
• 제30권2호
• /
• pp.119-133
• /
• 2021

The purpose of this study was to provide basic information for rational management plans for sustainable conservation and utilization by comprehensive analyzing the flora distributed in Yongchu valley, Changwon-si. The flora of Yongchu valley were summarized as 319 taxa including 93 families, 212 genera, 285 species, 3 subspecies, 6 forms and 25 varieties. The endemic plants were 5 taxa such as Chrysosplenium pilosum var. fulvum, Impatiens koreana, Lespedeza maritima, Thalictrum acteifolium and Weigela subsessilis. The rare plants were 11 taxa including I. koreana, Prunus yedoensis and Magnolia kobus. The specific plants by floristic region were 38 taxa including I. koreana, Jeffersonia dubia., M. kobus and P. yedoensis which are class V. The naturalized plants were 11 taxa including Solanum americanum, Aster pilosus, Crassocephalum crepidioides and Cerastium glomeratum and so forth and invasive alien plants among these plants was 1 taxa of A. pilosus. The target plants adaptable to climate change were 8 taxa including Corydalis turtschaninovii of northern plant, I. koreana of endemic plant, and Meliosma myriantha of southern plant.

• 한국환경생태학회지
• /
• 제36권3호
• /
• pp.257-276
• /
• 2022

희귀식물과 특산식물의 보전연구는 국가적 수준에서 식물다양성 유지를 위해 우선되어야 한다. 식물다양성 보전의 필요성에 따라 이들 분류군이 대상이 되는 다양한 연구가 보고되었다. 이러한 시점에서 지금까지의 연구결과를 비교하고 평가할 필요성이 증가하였다. 그리고 수집된 자료를 분석한 결과로부터 국내 희귀식물과 특산식물의 효과적인 보전을 위해 필요한 연구항목과 연구의 방향을 재검토할 필요가 있다. 우리는 희귀식물 및 특산식물이 연구의 대상이 되는 전 세계적인 연구동향을 수집하였다. 그리고 특별히 한국에서의 연구동향을 수집하였다. 희귀 및 특산식물에 대한 연구 분야를 6개의 분야로 구분하였고 그 중 보전생태학의 분야는 '종 특성연구', '개체군 연구' 및 '생물학적 상호작용'의 세부항목으로 구분하였다. 수집된 연구를 종합해 볼 때 보전생태학적 연구는 권역별 그리고 국가별로 큰 차이가 있었다. 보전생태학 연구는 권역별로는 유럽과 북아메리카에서 활발하게 진행되었고 국가별로는 일본과 미국에서 비율이 높았다. 반면에 한국은 기초생태학 연구의 비율이 가장 높았고 보전유전학, 복원생태학 순이었다. 한국에서 보전생태학 연구비율은 세계적인 수준에 비해 낮은 것으로 나타났다. 뿐만 아니라 희귀식물과 특산식물 중에서 환경부 지정 멸종위기식물과 같은 특정 분류군에 대한 연구가 주를 이루었다. 특히, 우리나라에서는 보전유전학 및 복원생태학 연구의 비율이 높았다. 세계적인 연구동향, 특히 보전생태학적 연구를 선도하는 유럽 및 북아메리카와 비교해 볼 때 우리나라에서 희귀 및 특산식물의 효과적인 보전을 위해서는 종 특성에 대한 정보 확보, 개체군 구조와 동태 그리고 식물과 식물, 동물과 식물과의 상호작용을 포함하는 보전생태학적인 연구의 비율을 높이는 접근이 필요함을 제안하였다.

• 한국환경과학회지
• /
• 제21권4호
• /
• pp.489-505
• /
• 2012

This study was carried out to investigate the flora of Mt. Suan (Gyeonggi-do). The vascular plant were collected 13 times (from March to October 2011), and 402 taxa in total were identified, including 102 families, 274 genera, 354 species, 6 subspecies, 40 varieties and 2 forms. Among them, 8 taxa of Korean endemic plants and the Korea Forest Service-designated rare plants were identified as 5 taxa. Based on the list of plants which have been approved for overseas delivery, 10 taxa were recorded in the investigated area. The Ministry of Environment-designated specially plants were identified as 17 taxa. The naturalized plants were identified as 41 taxa and the percent of naturalized index (NI) was 10.2% of total 402 taxa vascular plants.

• Journal of Ecology and Environment
• /
• 제47권3호
• /
• pp.146-156
• /
• 2023

Background: Endemic species are important components in the flora of most world regions. Most of these species have become threatened and exposed to extinction within the last few years. The present study aims to evaluate the ecosystem services offered by the endemic plant taxa in Egypt and the threats that affect them. Twenty-five field visits were conducted during summer 2018 to spring 2022 to several locations all over Egypt. In each location, the main habitats, national distribution, abundance, goods and threats were recorded. Results: Egypt has 41 endemic taxa belonging to 36 genera and 20 families inhabiting 10 main habitats. Rocky surfaces and sandy formations have the highest number of endemic species. The relation between the number of endemic taxa and the abundance categories indicated that 2 taxa are rare (4.9% of the total taxa), while the remaining were very rare (95%). The most represented offered good was the medicinal uses (32 taxa = 78%), while fuel plants were only represented by 2 taxa (2 taxa = 4.9%). Besides, 14 taxa (34.1% of the total studied taxa) have at least 1 environmental service. Soil fertility (7 taxa = 50%) was the most represented, followed by sand accumulations (6 taxa out of 14 taxa = 43%), while shading plant was the least (1 taxon = 7.1%) (Rosa arabica). The most represented threat is over-cutting and over-collecting (38 taxa = 92.7%), while mining and quarrying is the least represented (4 taxa = 9.8%). Conclusions: The potential and actual goods, services and threats of the endemic taxa were assessed as follows; field observation, information collected from local inhabitants and herbalists, and a literature review. The present study recommended planning a strategy about the importance, threats and conservation of endemic taxa in Egypt that would help in the protection and rescue of these plants and increase awareness about the importance of these plants.

• 한국환경복원기술학회지
• /
• 제12권5호
• /
• pp.42-58
• /
• 2009

This study was carried out to survey the vascular plants of the construct-reserved site of ecological forest in Kohang-ri, Sangri-myeon, Yecheon-gun, Gyeongsangbuk-do, Korea. The results are as follows. The vascular plants in this site were recorded as 392 taxa; 85 families, 254 genera, 341 species, 45 varieties and 6 forma. The Korean endemic plants were 5 taxa; Salix hallaisanensis, Clematis trichotoma, Chrysosplenium barbatum, Philadelphus schrenckii and Weigela subsessilis. The rare plants designated by Korea Forest Service were 2 taxa; Iris ensata var. spontanea and Aristolochia contorta. The naturalized plants were 25 taxa; Bromus tectorum, Dactylis glomerata, Panicum dichotomiflorum, Bilderdykia dumetora and so forth. In the results of analysis by floristic region, the specific plants were summarized as 31 taxa; Matteuccia struthiopteris, Oxalis obtriangulata, Betula davurica, Cimicifuga heracleifolia and so forth. The plants with approval for delivering oversea were 4 taxa; Salix hallaisanensis, Aristolochia controrta, Clematis trichotoma and Chrysosplenium barbatum. The plant resources were 186 taxa of ornamental plant, 241 taxa of edible plant, 274 taxa of medicinal plant and 202 taxa of others.

• 한국환경생태학회지
• /
• 제16권4호
• /
• pp.345-358
• /
• 2003

백두대간 여원재～시리봉일대 중 고남산(846.5m)과 시리봉(776.8m)일대 2구간의 관속식물상을 조사한 결파 89과 193속 245종 44변종 6품종 총 295종류(Taxa)를 확인하였다. 또한 백두대간 권역의 한국특산식물과 산림청과 임업연구원(1997)의 ‘회귀 및 멸종위기식물을 조사한 결과 한국특산식물은 일월비비추. 죽대, 흘아비꽃대, 호랑버들, 할미밀망, 조팝나무, 나비나물, 태백제비꽃, 말채나무, 병꽃나무 총 10종류, 회귀 및 멸종위기식물종은 꽃창포, 태백제비꽃, 쥐방울덩굴 총 3종류를 확인하였다. 식물 서식처 조사 결과 위협요인으로는 등산객으로 인한 훼손, 관목림으로 인한 피압 등이었다.

• 한국자원식물학회지
• /
• 제34권6호
• /
• pp.633-660
• /
• 2021

This study was carried out to elucidate the distribution of vascular plants and their usefulness of Mt. Munsusan (1,205 m) in Bonghwa County, North Gyeongsang Province, South Korea. The vascular plants that were investigated in 2 years (2019 ~ 2020) with 15 times consisted a total of 571 taxa; 94 families, 310 genera, 496 species, 4 subspecies, 63 varieties and 8 formas. For the Korean endemic plants, 17 taxa were recorded and 3 taxa of Vulnerable Species (VU) and 9 taxa of Least Concerned species (LC) categorized by the Korean Forest Service as rare plants were investigated in this region. Furthermore, IV, III degrees of floristic regional indicator plants designated by the Korean Ministry of Environment included 8 taxa and 27 taxa, respectively. Among them, edible, medicinal, ornamental, feed/composting, industrial plants were 391 taxa, 359 taxa, 301 taxa, 241 taxa, 217 taxa, respectively. In addition, 25 taxa of naturalized plants were observed.

• 한국자원식물학회:학술대회논문집
• /
• 한국자원식물학회 2020년도 추계국제학술대회
• /
• pp.60-60
• /
• 2020

To establish in vitro axillary bud culture conditions of Echinosophora koreensis Nakai, one of Korean endemic endangered species famous for beautiful flowers, we tested the influence of plant growth regulators (PGRs) in shooting and rooting stage from in vitro plants. In shoot multiplication, addition of 6-benzylaminopurine (BA) to the media induced 2.5 to 3 shoots per bud during 4 weeks of culture. And media including 0.5 mg L^-1 thidiazuron (TDZ) produced 3 to 4 shoots per bud. However, zeatin and isopentenyl adenine (2-ip) were not successful to increase shoot number, and the combination treatments of BA with other PGRs were also not effective. Shoots were smaller than 2 cm in length, in most of the treatments. In rooting, naphthalene acetic acid (NAA) treatments in the range of 0.5 to 4.0 mg L^-1 appeared to increase rooting rate by 10% to 60% approximately when compared with the control but roots developed with callus clusters. Indole butyric acid (IBA) addition had little effect on rooting (below 10%), while some roots were longer than in NAA treatments and some shoots were longer on high IBA concentrations (4.0 to 8.0 mg L^-1). It is suggested that micropropagation is a highly applicable and promising to multiplication and conservation of rare and endangered endemic species.