“”에 대한
게시판
결과는 총 13,050건 입니다.
게시판 (13,050)
-
대덕산・금대봉 자연생태계보전지역의 관속식물상과 약용자원식물
2021-05-11
ABSTRACT This study is attempted to prepare criteria to determine target species for conservation, through analyzing vascular flora and medicinal resources plants of Mt. Daedeok and Geumdae-bong in Gangwon Province, Korea. Flora Surveys were conducted 14 times from April, 2017 to October, 2019. Total 428 taxa with 83 families, 245 genera, 356 species, 5 subspecies, 46 varieties and 21 forms were distributed in Mt. Daedeok and Geumdae-bong. Korean endemic species were composed of 19 species. Total 36 taxa of Korean rare plants species were identified including 5 taxa in the degree of CR, 2 taxa in the degree of EN, 12 taxa in the degree of VU, 14 taxa in the degree of LC and 3 taxa in the degree of DD. The naturalized plants were 5 families, 10 genera, 10 species, totaling 10 taxa and medicinal resources plants were 239 taxa with 73 families, 185 genera, 239 species, 30 varieties 4 forms, 4 subspecies. The Urbanization Index (UI) was 2.5% and the Naturalized Index (NI) was 1.9%.
HOME > 주요사업 > 산림생물 보전·활용 증진 > 기술개발 성과 > 학술논문
-
The complete chloroplast genome of Nepal Holly, Ilex integra Thunb.(Aquifoliaceae)
2020-05-26
Abstract Ilex integra Thunb. is an ornamental tree distributed in Korea, Taiwan, mid-Southern China, and Japan. To understand the genetic differences between I. integra and I. cornuta, we presented complete chloroplast genome of I. integra, which is 157,548 bp long and has four subregions: 86,935 bp of large single copy (LSC) and 18,426 bp of small single copy (SSC) regions are separated by 26,093 bp of inverted repeat (IR) regions including 131 genes (86 protein-coding genes, 8 rRNAs, and 37 tRNAs). The overall GC content of the chloroplast genome is 37.6% and those in the LSC, SSC, and IR regions are 35.7%, 31.9%, and 42.9%, respectively. Phylogenetic trees show that I. integra is clustered with I. cornuta and I. latifolia. Sequence variations identified from I. integra and I. corunta presents that both species have enough sequence variations as different species.
HOME > 주요사업 > 산림생물 보전·활용 증진 > 기술개발 성과 > 학술논문
-
The complete plastid genome of Suaeda malacosperma, a vulnerable halophyte
2019-11-19
ABSTRACT Suaeda malacosperma has limited distribution in the coastal regions of Korea and Japan and is named as a vulnerable halophyte in the Red List of Japan. The complete plastid genome of S. malacosperma is 151,989 bp long, and is composed of large single-copy (83,492 bp) and small single-copy (18,121 bp) regions plus two inverted repeats (25,188 bp each). The plastid genome encodes 130 genes, including 8 rRNAs, 37 tRNAs, and 83 protein-coding genes. rpl23 is pseudogenized. Phylogenetic analysis showed a sister relationship between Suaeda and Bienertia. This complete plastid genome is the first reported in genus Suaeda.
HOME > 주요사업 > 산림생물 보전·활용 증진 > 기술개발 성과 > 학술논문
-
아데니움과 황금세덤 질문입니다
2025-05-16
1. 식물 상담 분류를 오른쪽 괄호 안에 기입해 주세요 . ( ③ 식물 관리법 ) ① 식물 이름 ②식물 병해충 ③ 식물 관리법 ④ 기타 2. 식물의 분류를 오른쪽 괄호 안에 기입해 주세요. (① 초본 ②목본 ) ① 초본 ②목본 3. 키우는 장소를 오른쪽 괄호 안에 기입해 주세요. ( ① 베란다 ) ① 베란다 ②실내 ③ 실외 4. 물주는 시기를 오른쪽 괄호 안에 기입해 주세요 . ( ④ 기타 ) ① 1회/일 ② 2회/일 ③ 1회/주 ④ 기타 5. 물주는 방법을 오른쪽 괄호 안에 기입해 주세요. ( ②흙겉만 젖게 ) ① 흙이 충분히 젖도록 ②흙겉만 젖게 6. 식물의 증상(부위 작성)을 작성해 주세요. →지난 5월6일에 식물원에서 황금세덤과 아데니움을구매했습니다 그래서 가져온 직후 분갈이 해주고 열흘뒤에 위에서 빙둘러 물을 조금 주었는데 세덤은 아직 푸릇푸릇 잘 있는 반면에 아데니움의 가지와 노출된 뿌리쪽의 색이 변하기 시작했습니다 (만져보면 단단합니다) 그리고 화분 통풍이 안되는거 같아서 분리를 했는데 역시나 아데니움 작은 뿌리 한개가 물러져 있어 물리적으로 제거해주고 정비를 다시 해주었는데요.. 잘 케어하고 있는건지 모르겠습니다 ㅠㅠ 둘다 시드는것 없이 잘 있긴한데 ㅠ 조언 부탁드려요(사진은 정비하기 전 찍은거예요)
HOME > 마이페이지 > 활동내역 > 반려식물 Q&A 제출내역
-
Distribution characteristics of invasive alien plants in Jejudo
2019-11-19
ABSTRACT This study aims to conduct basic research on identifying and managing the current status of invasive alien plants by identifying the distribution of invasive alien plants and the structure of invasive alien plants colonies for each ecological type in Jejudo susceptible to inflow of invasive alien plants resulting from increasingly frequent international exchanges. According to the site survey, total 28 families, 82 genera, 115 species, three varieties, and 118 taxa were identified: 106 dwelling taxa, the greatest number of invasive alien plants; 58 coastal taxa; and 41 forest taxa. With regard to species composition, Com�positae (27.1%) showed the largest distribution. The distribution of eight families and 49 taxa, such as parts of Amaryllidaceae, etc., were identified only in the Dwelling District; eight taxa, such as Diplotaxis muralis DC., etc., only in coastal areas; and six taxa, such as Gnaphalium purpureum L., etc., only in forest areas. Compositae, etc., are mostly sun plants with ecological features that allow them to easily invade disturbed areas, such as roadside, cutting areas, etc., rather than forest with low exposure to sunlight.
HOME > 주요사업 > 산림생물 보전·활용 증진 > 기술개발 성과 > 학술논문
-
The Complete chloroplast genome sequence of the Nymphaea lotus L.(Nymphaeaceae)
2020-05-26
Abstract Nymphaea lotus L. (Nymphaeaceae) is a type species of subgenus Lotos, which has been frequently cultivated in ornamental garden pools. Here, we presented complete chloroplast genome of N. lotus which is 159,311 bp long and has four subregions: 89,610 bp of large single copy (LSC) and 19,333 bp of small single copy (SSC) regions are separated by 25,184 bp of inverted repeat (IR) regions including 130 genes (85 coding genes, eight rRNAs, and 37 tRNAs). The overall GC contents of the chloroplast genome were 39.1% and in the LSC, SSC, and IR regions were 37.7%, 34.2%, and 43.4%, respectively. Phylogenetic tree constructed with whole chloroplast genomes present phylogenetic position of subgenus Lotos .
HOME > 주요사업 > 산림생물 보전·활용 증진 > 기술개발 성과 > 학술논문
-
Valuation of ecosystem services in the organic carbon of the Pinus densiflora forest at Mt. Namsan,
2020-05-26
Abstract Background: Standing biomass, litter production, rate of litter decomposition, amount of litter on forest floor, and amount of soil organic carbon distribution were investigated from March 2016 to November 2018 in order to evaluate the ecosystem value through organic carbon distribution in the Pinus densiflora forest at Namsan, Seoul Metropolitan City. Results: The amount of organic carbon in the Pinus densiflora forest was 261.09 ton C ha −1 during the research period, and fixed organic carbon in plant through net photosynthesis was 3.2 ton C ha −1 year −1 . The organic carbon in plant was 62.77 ton C ha −1 (24.04%), in litter on the forest floor was 3.65 ton C ha −1 (1.40%), and in soil was 194.67 ton C ha −1 (74.56%). The value of plant, litter on forest floor, and soil organic carbon distribution were each 6,277,000 won ha −1 , 365, 000 won ha −1 , and 19,467,000 won ha −1 . The value per ton of fixed organic carbon in plant through net photosynthesis was 320,000 won ha −1 year −1 and the value of ecosystem services stored in carbon in the Namsan forest ecosystem was about 26.1 million won ha −1 for 3 years. Conclusions: The results of this study suggest that the pine forests of Namsan rapidly decompose leaves due to the high atmospheric temperature and accumulate a large amount of organic carbon in the soil to provide climate control regulatory service function.
HOME > 주요사업 > 산림생물 보전·활용 증진 > 기술개발 성과 > 학술논문
-
장도습지보호지역의 식생 특성과 관리방안
2020-05-26
Abstract : This study was carried out to investigate the vegetation of wetland and terrestrial lands in Jangdo wetland conserved area in Korea and to analyze the characte ristics of the vegetation changes in the recent years. From the plant community, there were evergreen broad-leaved forests of the Machilus thunbergii, Castanopsis cuspidata, and Machilus thunbergii-Castanopsis cuspidata communities. Moreover, there were deciduous broad-leaved forests of the Salix koreensis, Mallotus japonicus, Mallotus japonicus-Pueraria thunbergiana and Celtis sinensis communities. Additionally, there were shrub forests of the Rosa multiflora-Rubus hirsutus, grassland of Molinia japonica-Miscanthus sacchariflorus and Miscanthus sacchariflorus-Imperata cylindrica communities, and plantation forest of the Pseudosasa japonica community. The area of the wetland vegetation (15%) was much narrower than that of the terrestrial land vegetation (85%). Comparing these results with those of the past 10 years, the wetland plant communities decreased by one-third and the proportion of neutral or dry plant communities increased. In order to mitigate landization succession of the wetland and maintain native wetland vegetation in this area, the expansion of the Salix koreensis community must be controlled to a suitable scale. In addition, it is urgently required to remove the invasive non-wetland plants, such as Pseudosasa japonica and Pueraria thunbergiana.
HOME > 주요사업 > 산림생물 보전·활용 증진 > 기술개발 성과 > 학술논문
-
Identification of transcriptome-wide, nut weight-associated SNPs in Castanea crenata
2019-11-19
Abstract Nut weight is one of the most important traits that can affect a chestnut grower's returns. Due to the long juvenile phase of chestnut trees, the selection of desired characteristics at early developmental stages represents a major challenge for chestnut breeding. In this study, we identified single nucleotide polymorphisms (SNPs) in transcriptomic regions, which were significantly associated with nut weight in chestnuts ( Castanea crenata ), using a genome-wide association study (GWAS). RNA-sequencing (RNA-seq) data were generated from large and small nut-bearing trees, using an Illumina HiSeq. 2000 system, and 3,271,142 SNPs were identified. A total of 21 putative SNPs were significantly associated with chestnut weight (false discovery rate [FDR] −5 ), based on further analyses. We also applied five machine learning (ML) algorithms, support vector machine (SVM), C5.0, k -nearest neighbour ( k -NN), partial least squares (PLS), and random forest (RF), using the 21 SNPs to predict the nut weights of a second population. The average accuracy of the ML algorithms for the prediction of chestnut weights was greater than 68%. Taken together, we suggest that these SNPs have the potential to be used during marker-assisted selection to facilitate the breeding of large chestnut-bearing varieties.
HOME > 주요사업 > 산림생물 보전·활용 증진 > 기술개발 성과 > 학술논문
-
The complete chloroplast genome of candidate new species from Rosa rugosa in Korea(Rosaceae)
2020-05-26
Abstract Complete chloroplast genome of candidate new species from Rosa rugosa , named as Rosa angusta , is 156,989 bp long and has four subregions: 86,227 bp of large single copy (LSC) and 18,816 bp of small single copy (SSC) regions are separated by 25,793 bp of inverted repeat (IR) regions including 130 genes (85 protein-coding genes, eight rRNAs, and 37 tRNAs). The overall GC content of this chloroplast genome is 37.2% and in the LSC, SSC, and IR regions are 35.2%, 31.1%, and 42.8%, respectively. Phylogenetic trees show that R. angusta is close to R. rugosa with enough number of sequence variations.
HOME > 주요사업 > 산림생물 보전·활용 증진 > 기술개발 성과 > 학술논문
이 누리집은 산림청 산하 공공기관 누리집입니다.
