• Title/Summary/Keyword: 주변 식물

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농약산업의 현황과 전망(II)

  • 이석주
    • The Bimonthly Magazine for Agrochemicals and Plant Protection
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    • v.12 no.1 s.100
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    • pp.32-36
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    • 1991
  • 농약으로 인한 환경 및 잔류 문제, 우루과이라운드의 압력, 적정이윤 보장 미흡등 농약을 둘러싸고 있는 주변여건이 매우 어렵기 때문에 농약산업의 전망은 그리 밝지만은 않다

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Research on Intelligent Growth Maintenance System (지능형 생장 유지 및 관리 시스템에 대한 연구)

  • Bae, Seok-Hwan;Jang, Kyeong-Min;Shin, Chang-Sun;Park, Jang-Woo;Cho, Young-Yoon
    • Proceedings of the Korea Information Processing Society Conference
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    • 2016.04a
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    • pp.913-915
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    • 2016
  • 본 논문은 일반 가정집, 아파트 및 사무실과 같은 좁은 생활공간마다 식물이 생장 유지하는 주변 환경이 다르다. 이에 따라 바쁜 일정 속에서도 주간 날씨의 데이터와 식물의 데이터를 이용해 생장을 유지 및 관리하는 시스템을 제안한다. 제안하는 시스템은 원격제어 및 자동 관리 기능을 통해 재배중인 식물의 대한 환경정보를 제공한다. 제안하는 시스템을 통해 사용자에게 있어서 식물이 안전한 생장 유지할 수 있으며, 향후 세밀한 데이터 분석을 통해 다양한 식물들에 데이터를 활용하여 지능형 생장 시스템 연구에 도움이 될 것으로 기대된다.

기획시리즈: 쉬나무

  • Choe, Myeong-Seop
    • Landscaping Tree
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    • s.120
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    • pp.23-24
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    • 2011
  • 소나무나 느티나무, 팽나무 등과 같이 우리 생활과 밀접한 관계를 가지거나 주변에서 흔히 볼 수 있는 수종들을 인간식생이라고 한다. 우리나라 어느 마을에서나 한 두 그루 씩 쉽게 볼 수 있는 쉬나무도 인간 식생종의 하나다. 우리 선조들이 집 가까이 혹은 궁궐이나 성곽 주변에 심어온 쉬나무는 나막신 재료나, 밤에 등불을 겨는 등유 채취용으로, 꿀벌의 밀원식물로 식재되어온 유익한 수종이다. 이는 외부 형태나 생육 특성에 의해 쇠동백나무, 다지나무, 소동나무, 수유나무 등 여러 가지 이름으로도 불린다.

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The Distribution and Standing Crop of Phytoplankton in the Nearby Streams of Suwon Sewage Disposal Plant (수원 하수종말처리장 주변 수역의 식물플랑크톤의 분포와 현존량)

  • Lee, Ok-Min
    • Korean Journal of Environmental Biology
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    • v.19 no.4
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    • pp.282-291
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    • 2001
  • The distribution and standing crop of phytoplankton were investigated seasonally at 6 stations in the nearby streams of Suwon sewage disposal plant. It turned out to be total of 176 taxa, and classified as 4 phylums, 4 classes, 11 orders, 6 suborders, 22 families, 54 genera, 155 species, 20 varieties and 1 form by Engler's classification system. Among 176 taxa, 22 including Microcystis Aphanizomenon flos-aquae were identified as indicators of water pollution. Standing crops of all stations investigated appeared to be relatively high as in other streams through the center of the city, such as Kyoungan-chon of Youngin-si and Gulpo-chon of Buchon-si. In station 1,2,4 and 6, the highest number of standing crop were shown in summer, while in station 3 and 5, it was high in winter. Based on the present study upon the distribution and standing crop of phytoplankton, it is regarded as the state of the eutrophication in the nearby streams of Suwon sewage disposal plant.

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Seasonal dynamics of phytoplankton community in the Anma Islands of Yeonggwang(AIY), West Sea, Korea (영광 안마군도 주변 해역 식물플랑크톤 군집의 계절 동태)

  • Hayeon Ju;Ayeong Song;Ji Hye Park;Yang Ho Yoon
    • Korean Journal of Environmental Biology
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    • v.40 no.1
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    • pp.70-86
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    • 2022
  • A survey was conducted to analyze seasonal dynamics of the phytoplankton community at 22 stations on the surface and bottom layers in the Anma Islands of Yeonggwang(AIY) in the southern West Sea, Korea from the spring of 2020 to the winter of 2021, using a marine survey vessel Ed Ocean. Based on the survey results, there were 87 phytoplankton species in 52 genera, diatoms accounted for 67.8%, dinoflagellates 26.5%, silicoflagellates 3.5%, and cryptomonads and euglenoids accounted for 1.1% each. By season, it was simple in spring and relatively varied in winter. The phytoplankton standing crop on the surface was low (28.8±30.1 cells mL-1) in summer and high (87.0±65.1 cells mL-1) in spring. In the phytoplankton community, diatoms showed a high share (over 80%) throughout the year, and Skeletonema costatum-ls was the dominant species with a dominance of more than 60% in spring and winter, and 34.6% and 24.2% in summer and autumn, respectively. The diversity expressing the characteristics of the community structure was high (2.79±0.45) in autumn and low (1.82±0.18) in spring, unlike the phytoplankton standing crop. However, the dominance was high at (0.86±0.08) in spring and low (0.44j0.13) in autumn. Based on the results of principal component analysis (PCA) using environmental and phytoplankton-related factors, it was estimated that the biological oceanographic environmental characteristics seen through the phytoplankton community in the AIY were dominated by nutrients supplied from open seawater and surface sediments by seawater mixing, such as tidal mixing.

Temporal and Spatial Variations of Phytoplankton Communities in the Pelagic Environment of Kori, Korea (고리해역 표영환경내 식물플랑크톤 군집의 시공간적 변화)

  • 여환구;허성회
    • Korean Journal of Environmental Biology
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    • v.17 no.1
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    • pp.71-77
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    • 1999
  • Phytoplankton communities were investigated 13 times during the period from November, 1995 to December, 1996 in the coastal area of Kori. A total of 162 taxa (including unidentified species) were observed; 120 diatoms, 3 silicoflagellates, 34 dinoflagellates, 2 euglenoids, 1 chlorophyte and 2 unidentified microflagellates. A diatom species, Skeletonema costatum (Greville) Clove dominated all the year round. The standing stocks of phytoplankton ranged from 94 cells/ml in August to 1059 cells/ml in July. The peaks of standing stocks occurred in February and July. The effects of thermal effluent to the phytoplankton communities changed seasonally and might affect increasing the standing stocks where about 1 ∼ 3 km from the discharge of Kori Nuclear Power Plant in autumn and winter. But the effects of thermal effluent must be negative in summer.

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