• Title/Summary/Keyword: 자생지특성

Search Result 316, Processing Time 0.047 seconds

Comparison of Growth Characteristics on Acer mono for. rubripes in Natural and Artificial Stand (붉은고로쇠나무 자생지와 조림지에서의 생장특성에 관한 연구)

  • Yoon, Jun-Hyuck;Kwon, Su-Deok;Moon, Hyun-Shik
    • Journal of agriculture & life science
    • /
    • v.45 no.2
    • /
    • pp.51-59
    • /
    • 2011
  • This study was conducted to analysis the growth characteristics and the diameter at breast height (10 cm) reached ages in natural stand and platation for the optimal planting density and planting timing of Acer mono for. rubripes. There was high correlation between the DBH and crown diameter (E-W: r=0.82, S-N: r=0.76) in natural stand, and between the DBH and crown diameter (E-W: r=0.76, S-N: r=0.90) in plantation. In natural stand, average reached age on DBH 10 cm was $21.1{\pm}7.0$, and was $9.2{\pm}1.3$ in plantation. Therefore, the collectable timing of sap in artificial planting short approximately 2.3 times over the natural regeneration.

Growth and Leaf Characteristics of Acanthopanax senticosus and A. sessiliflorus in their Habitats (오갈피나무와 가시오갈피의 자생지 생장 및 엽특성)

  • 허성두;박유헌;이갑연;유세걸
    • Proceedings of The Korean Society of Agricultural and Forest Meteorology Conference
    • /
    • 2001.06a
    • /
    • pp.89-92
    • /
    • 2001
  • 오갈피속 수종은 우리나라에 10여 종 있는 것으로 보고되고 있는데(김영진, 등 1997)약용성분이 가장 뛰어난 수종은 가시오갈피(Acanthopanax senticosus (Ruper. et Max.)Harms)로 알려져 있다. 가시오갈피는 높이 2∼3 m의 낙엽활엽관목으로서 강한 햇볕이 드는 더운곳에서는 거의 발견되지 않으며 내음 및 내한성이 강하다.(중략)

  • PDF

퉁퉁마디(Salicornia herbacea)의 자생지별 성분특성 및 음료개발

  • An, Jong-Hoon;Cho, Young-Chul;Moon, Chul
    • Proceedings of the Korean Society of Fisheries Technology Conference
    • /
    • 2001.05a
    • /
    • pp.110-111
    • /
    • 2001
  • 퉁퉁마디(Salicornia herbacea, glasswort)는 명아주科에 속하는 식물로 서해안과 울릉도의 염수가 닿는 바닷가에서 자라는 일년초(一年草)로서 우리말로 퉁퉁하고 마디마디 튀어나온 풀이라고 하여 퉁퉁마디라고 부른다. 퉁퉁마디는 우리나라에서 대중에게 널리 알려지거나 식용하고 있는 식물은 아니지만, 유럽에서는 어린줄기를 샐러드로 만들어 먹기도 하고 일본에서는 천연기념물로 지정되어 있다고 한다. (중략)

  • PDF

Growth Characters and Vegetation Survey in Natural Habitat of Dicentra spectabilis (L.) Lem (금낭화의 생육특성 및 자생지 식생조사)

  • Heo, Kwon;Lee, Chae-Gon;Jang, Min-Young;Cho, Dong-Ha;Yoo, Chang-Yeon
    • Korean Journal of Plant Resources
    • /
    • v.13 no.3
    • /
    • pp.188-194
    • /
    • 2000
  • This study was carried out to obtain the optimum cultivation conditions of wild ornamental plant resources, Dicentra spectabilis L. The altitude of the habitat was ranged from 630m to 690m in Mt. Gujeol. Most of the habitat faced toward the northeast aspect and the gradient was ranged from 25 to 33 degrees. The light intensity of Dicentra community was 14,000lux on the average, and it was tendency to decrease by foliation of other woody plants. The appearance number of Dicentra per quadrat was 30 individuals on the average, and total appearance species in all quadrat surveyed was 52 taxa. Among them, Quercus mongolica, Lindera obtusiloba, Corylus heterophylla, Cornus controversa, woody plants, Corydalis speciosa, Pseudostellaria heterophylla, Artemisia keiskeana, Dryopteris crassirhizoma, Arisaema amurense var. serratum, Carex siroumensis, and Chloranthus japonicus, herbaceous plants, were showed as dominant species. Soil acidity in the habitat was 5.15 to 5.96, and average content of soil moisture was 32.6%. The contents of average organic matter, $P_2O_5$, K, Ca, and Mg were 1.99%, 14mg/kg, 0.55me/100g, 15.2me/100g, and 3.3me/100g, respectively. Electron conductivity was ranged from 0.50 to 0.76dS/m. Also, the average air temperature of May and June was 14.2$^{\circ}C$ and 19.4$^{\circ}C$, respectively.

  • PDF

Distyly and Population Size of Abeliophyllum distichum Nakai, an Endemic Plant in Korea (한국 특산식물 미선나무의 이화주성(Distyly) 및 개체군 크기)

  • So-Dam Kim;Ae-Ra Moon;Shin-Young Kwon;Seok-Min Yun;Hwi-Min Kim;Dong-Hyoung Lee;Sung-Won Son
    • Korean Journal of Environment and Ecology
    • /
    • v.36 no.6
    • /
    • pp.639-650
    • /
    • 2022
  • Abeliophyllum distichum Nakai, a rare plant with distylous characteristics, is native to certain parts of the Korean Peninsula. It is registered on the IUCN Red List of Threatened Species as a globally endangered plant. This study was conducted to establish an appropriate local conservation management plan suitable for future A. distichum populations by comparing and analyzing the flowering characteristics and population size according to distyly based on the results of quantitative surveys in 14 regions, including 8 areas with native populations of A. distichum and 6 natural monument populations. The number of individuals appearing in each population group was surveyed, and the flowering individuals were identified by style as being either pin or thrum flower types as they were being examined and recorded on the site. In total, 13,130 individuals of A. distichum (7,003 flowering and 6,127 non-flowering individuals) were recorded, but the balance of the number of pin- and thrum-flowered individuals in each population was not significant (p<0.05), indicating an imbalanced state. In particular, the Yeongdong (YD) population was very disproportionate compared to other populations, suggesting that its genetic diversity was low and the possibility of inbreeding was high. The average flowering and fruiting rates by management unit were much higher in the natural monument populations (89.2% and 55.3%, respectively) than in the natural habitat populations (39.0% and 8.5%, respectively). It may be due to a difference in reproductive growth resulting from light inflow into the forest caused by the upper crown closure. The area of occupation (AOO) of A. distichum on the Korean Peninsula covered an area of 23,224.5 m2. Although the natural monument population was smaller than the natural habitat population, its density was higher, likely as a result of the periodic management of natural monument populations, where the installation of protective facilities in certain areas restricts population spread. Conservation of A. distichum populations requires removing the natural monument populations suspected of anthropogenic and genetic disturbances and expanding the conservation priority population by designating new protected areas. Although the habitats of natural monument populations are managed by the Cultural Heritage Administration and local governments, there are no agencies that are responsible for managing natural habitat populations. Therefore, institutional improvement in the overall management of A. distichum should be prioritized.

Nutrient Contents of Bracken (Pteridium aquilinum L.) and Soil Chemical Properties of Its Habitat in the Coastal Area (남서해안 고사리 생육지의 토양화학적 특성과 고사리식물체의 무기성분 함량)

  • Lee, Soo-Young;Park, Kang-Yong;Park, Yang-Ho
    • Korean Journal of Soil Science and Fertilizer
    • /
    • v.43 no.5
    • /
    • pp.631-636
    • /
    • 2010
  • One experiment was carried out to investigate the soil chemical properties of bracken growth and the inorganic element contents of plant. To the results of soil analysis in native bracken (Pteridium aquilinum L.) growth, soil pH was 5.2, organic matter was 19 g $kg^{-1}$ and available phosphate was 20 mg $kg^{-1}$, and exchangeable potassium, calcium, magnesium were 0.32, 2.0 and 1.3 $cmol_c\;kg^{-1}$, respectively. In the bracken cultivation soil, pH was 5.7, organic matter was 13 g $kg^{-1}$ and available phosphate 367 mg $kg^{-1}$, and exchangeable potassium, calcium and magnesium were 0.81, 4.0 and 1.4 $cmol_c\;kg^{-1}$, respectively. The soil pH, available phosphate and exchangeable calcium were much lower in bracken native soil than those of cultivation soil, while organic matter was a little higher in native soil than that of cultivation soil. In native bracken plants, three major elements of nitrogen, phosphorus and potassium, were 4.40, 0.55 and 3.40%, calcium and magnesium were 0.22 and 0.32%, and microelements of iron (Fe), manganese (Mn), copper (Cu), zinc (Zn) and boron were 126, 210, 23, 75 and 11 mg $kg^{-1}$, respectively. In cultivation bracken, three major elements of nitrogen, phosphorus and potassium, were 5.50, 0.73 and 3.55%, calcium and magnesium were 0.17 and 0.28%, and microelement contents of iron (Fe), manganese (Mn), copper (Cu), zinc (Zn) and boron (B) were 120, 252, 19, 72 and 20 mg $kg^{-1}$, respectively.