• 제목/요약/키워드: latifolia

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The Optimal Environmental Ranges for Wetland Plants: II. Scirpus tabernaemontani and Typha latifolia

  • Lee, Bo-Ah;Kwon, Gi-Jin;Kim, Jae-Geun
    • Journal of Ecology and Environment
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    • 제30권2호
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    • pp.151-159
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    • 2007
  • We studied the optimal ranges of water and soil characteristics for wetland plants, particularly Scirpus tabernaemontani (softstem bulrush) and Typha latifolia (broadleaf cattail), which are dominant species with potential for restoration of Korean wetlands. We observed vegetation in S. tabernaemontani and T. latifolia communities from the mid to late June, 2005, and measured characteristics of water environments such as water depth (WD), temperature (WT), conductivity (WC), and concentration of several ions $(NO_3{^-}-N,\;Ca^{2+},\;Na^+,\;Mg^{2+},\;and\;K^+)$, and characteristics of soil environments such as soil texture, organic matter (loss on ignition, LOI), conductivity, and pH. The S. tabernaemontani community was accompanied by Zizania latifolia (Manchurian wildrice), Persicaria thunbergii (Korean persicary), Actinostemma lobatum (lobed actinostemma), and Beckmannia syzigachne (American slough grass), while the T. latifolia community was accompanied by P. thunbergii, T. angustifolia (narrowleaf cattail), and Glycine soja (wild soybean). We defined the optimal range for distribution (ORD) as the range that each plant was crowded. The optimal range of water characteristics for the S. tabernaemontani community was a $WD\;10{\sim}50cm,\;WT\;24.0{\sim}32.0^{\circ}C,\;WC\;100{\sim}500{\mu}S/cm,\;{NO_3}{^-}-N\;0{\sim}60ppb,\;K^+\;0.00{\sim}1.50ppm,\;Ca^{2+}\;7.50{\sim}17.50ppm,\; Na^+\;2.50{\sim}12.50ppm,\;and\;Mg^{2+}\;3.00{\sim}7.00ppm$. In addition, the optimal range of soil characteristics for the S. tabernaemontani community was a soil texture of loam, silty loam, and loamy sand, $LOI\;8.0{\sim}16.0%,\;pH\;5.25{\sim}6.25$, and conductivity $10{\sim}70{\mu}S/cm$. The optimal range of water characteristics for the T. latifolia community was a $WD\;10{\sim}30cm,\;WT\;22.5{\sim}27.5^{\circ}C,\;WC\;100{\sim}400{\mu}S/cm,\;{NO_3}{^-}-N\;0{\sim}60ppb,\;K^+\;0.00{\sim}1.50ppm,\;Ca^{2+}\;0.00{\sim}17.50ppm,\;Na^+\;0.00{\sim}12.50ppm,\;and\;Mg^{2+}\;0.00{\sim}5.00ppm$, and the optimal range of soil characteristics for the T. fatifolia community was a soil texture of loam, sandy loam, and silty loam, LOI $3.0{\sim}9.0%,\;pH\;5.25{\sim}7.25$, and conductivity $0{\sim}70{\mu}S/cm$.

Notes on the Korean Higher Fungi (XVI)

  • Cho, Duck-Hyun
    • Plant Resources
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    • 제4권1호
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    • pp.1-5
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    • 2001
  • Many higher fungi were collected at Mt.Sunun, Mt.Kirin, Samre-up, Whaam-sa and Mt.Unjang from June 1999 to June 2000. They were identified. As the resulting, Pluteus thomosonii, Mycena polyadelpha, Mycena latifolia, Omphalina barbularum, Hygrocybe trunda var.macrospora, Cortinarius iodes and C. glaucopus are newly to Korea. They were designed Korean common name by author.

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물이끼(Sphagnum palustre) 생육이 가능한 인공습지 사례보고 (A Case Report on the Constructed Wetland for the Growth of Sphagnum palustre)

  • 홍문기;김재근
    • 한국환경복원기술학회지
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    • 제16권6호
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    • pp.93-107
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    • 2013
  • Construction of an artificial wetland for the growth of Sphagnum palustre with emergent macrophytes (Phragmites australis, Typha angustifolia, and Zizania latifolia) was firstly tried and the growth of those plant components according to various environmental combinations has been monitored for three years. Above-ground dry weight of Z. latifolia ($1,500g/m^2$) was higher than T. angustifolia ($900g/m^2$) and P. australis ($500g/m^2$) under most environmental conditions. In overall, planted emergent macrophytes seemed to prefer polishing sand without moss peat as a substrate and relatively deep water-depth condition (20cm) rather than shallow water-depth (5cm). Despite of high calcium content in inflow water (> 15ppm) into the constructed wetland, S. palustre populations have survived in most experimental plots during the monitoring period. Substrate layer including moss peat with high surface-area might play a role as an ion-filter. After three years, relatively thicker litter-layer in Z. latifolia plots due to vigorous growth appeared to heavily depress S. palustre by physical compressing and complete shading processes. Most of all, for the continuous growth of S. palustre, physio-chemical characteristics of water and substrate must be carefully managed. In addition, companion emergent species should be also cautiously selected not to depress S. palustre by much litter production. We suggest P. australis and T. angustifolia as companion species rather than Z. latifolia.

울릉도 주목(Tiaxus cuspidata var. latifolia)의 Taxol 및 관련 화합물의 함량분석 (Analysis of Taxol and Related Compounds in Ullung Island Yew (Taxus cuspidata var. latifolia))

  • 최명석;곽상수박용구유장렬
    • KSBB Journal
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    • 제9권2호
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    • pp.186-190
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    • 1994
  • 울릉도주목(Taxus cuspidata var. latifolia, 일명 회솔나무)의 각 부위에 함유되어 있는 taxol 및 관련 화합물의 함량을 조사한 결과 taxol 및 cephalomannine함량은 잎에서 높았고, 전구물질인 10-deacetyl baccatin III(10- DAB III), baccatin III의 함량은 수피에서 높았으며, 신초줄기와 종자에 서의 taxane 함량은 매우 낮았다. 또한 울릉도 전역에 자생 또는 재식되어 있는 주목의 taxol 및 전구 물질 10-DAB III의 함량변이를 조사한 결과, 5개 지역(나라분지, 태화령, 현포, 통구미, 도동)의 잎과 수피에서 이틀의 함량은 개체뿐 아니라 지역 사이에 큰 변이를 나타내였다. 분석개체 전체의 잎에서의 평균 taxol 함량( 건물 중 기준으로 0.017% )은 수 피의 것( 0.003 % )보다 월등히 높았으며, 전구물질 1 10-DAB III의 전체 평균함량은 수피(0.073%)가 잎(0.054% ) 보다 약간 높았다. 특히 섬 북서지역에 위 치한 현포지 역 주목 잎의 평균 taxol 함량은 약 0 0.024 %로 이는 보고된 태평양주목의 수피의 것보다 높은 것이며, 전구물질의 함량도 0.049%로 비교적 높았다. 이상의 결과로 지속적으로 채취가 가능한 울릉도주목 잎은 taxol 생산을 위한 중요한 자원이 될 수 있을 것으로 기대된다.

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Berberis amurensis complex의 형태 변이 분석 (Morphological Variation of Berberis amurensis Complex)

  • 현창우;김영동
    • 식물분류학회지
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    • 제38권2호
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    • pp.93-109
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    • 2008
  • 본 연구에서는 B. amurensis complex를 구성하는 세 분류군, 매발톱나무(B. amurensis Rupr. var. amurensis), 섬매발톱나무[B. amurensis var. quelpaertensis (Nakai) Nakai] 및 왕매발톱나무(B. amurensis var. latifolia Nakai)를 대상으로 형태 변이 분석을 수행하여 이들에 대한 기존의 분류학적 견해를 논의하였다. 분류군 간에 차이를 나타낼 것으로 조사된 22개 형질에 대한 변이 양상 조사 및 주성분분석을 수행한 결과 섬매발톱나무는 엽신의 길이와 폭, 엽정의 각도, 거치 간격, 절간 길이, 화서당 꽃의 수 등 여러 형질에서 나머지 두 분류군과 차이를 보였고, 왕매발톱나무는 엽정의 각도, 엽신의 폭과 길이 비에서 다른 두 분류군과 달랐다. 주성분분석 결과 엽신의 길이와 폭 및 엽정의 각도 등 잎의 형질이 분류군의 차이를 잘 반영하는 유용한 형질로 재확인되었으며, 절간의 길이와 화서를 구성하는 꽃의 수는 이들 종내 분류군들을 구분하는 새로운 식별형질로 밝혀졌다. 이들 세 분류군의 지리적 분포와 변이 양상 및 주성분분석 결과를 종합해 고려할 때 섬매발톱나무와 왕매발톱나무를 각각 변종으로 인정하는 것이 가장 타당할 것으로 판단하였다.

정체수역에서의 Mattress/Filter에 의한 수생식물 복원 (Aquatic Plant Restoration by Mattress/Filter System in Stagnant Stream Channel)

  • 여운기;허창환;이승윤;지홍기
    • 한국환경과학회지
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    • 제15권1호
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    • pp.21-31
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    • 2006
  • Aquatic plants grow in water with photosynthesis and purify water quality as taking organic and inorganic matter in water. Polluted water in stagnant stream channel where nutritive salts load is great can be purified by activities of aquatic plants. Aquatic plants should be fixed to bed easily to plant and sustainable environment is needed. So in this study, Mattress/Filter system is suggested to plant aquatic plant in stagnant stream channel. In the result of study, coverage of Phragmites australis, Zizania latifolia and Typha angustifolia which planted in mattress was $78\%,\;62\%\;and\;82\%$ and numbers of species in each mattress system were 7, 11, 3. The evenness index of each mattress system was 0.86, 0.91 and 0.79 and diversity index of each mattress system was 1.67. 2.18 and 0.87. Removal rates of phosphorus at Phragmites australis, Zizania latifolia and Typha angustifolia which planted in mattress were $68.7\%,\;62.7\%,\;55.3\%$ and removal rates of nitrogen of them were $79.8\%,\;74.7\%,\;64.9\%$. The removal rate of nitrogen was greater than phosphorus at all system and both removal rates were greater at Phragmites australis than at Zirania latifolia and at Typha angustifolia the rate was the least. Removal rates of $PO_4^{-3},\;NH_4-N,\;NO_{3-}N$ at Phragmites australis were $57.4\%,\;52.8\%,\;47.8\%$ and at Zizania latifolia were $82.6\%,\;77.2\%,\;67.5\%$ and at Typha angustifolia were $80.6\%,\;73.7\%,\;64.3\%$. It seems that removal effect is great by the planted mattress system.

Decay Rate and Changes of Nutrients during the Decomposition of Zizania latifolia

  • Mun, Hyeong-Tae;Jeong, Namgung;Kim, Jeong-Hee
    • The Korean Journal of Ecology
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    • 제24권2호
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    • pp.81-85
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    • 2001
  • Decomposition of Zizania latifolia was investigated with litterbag method for 13 months from November in 1998 to December in 1999, at the fringe of stream at Boryeong, Chungnam Province in Korea. After 13 months, remaining mass of leaves, culms and rhizomes was 16.9, 14.7, and 10.1%, respectively. Mass loss of the rhizomes was higher than those of the leaves and culms. The decay rate of leaves, culms and rhizomes was 1.86, 2.00 and 2.36 per year, respectively. Initial concentration of N, P, K, Ca, and Mg of leaves, culms and rhizomes was 18.0, 14.5, 44.0 mg/g for N,0.18, 0.12, 0.67 mg/g for P, 14.1 ,14.2, 14.8 mg/g for K,3.6, 1.5, 0.3 mg/g for Ca, 1.1, 0.5, 0.5 mg/g for Mg, respectively. Concentrations of N and P in rhizomes were higher than those in leaves and culms. Except for Mg in rhizomes, there was no immobilization period during the decomposition. Most of the N, P and Mg were lost during the first 3 months. In case of K and Ca, most were lost within 1 month.

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