• Title/Summary/Keyword: NATURAL ECOLOGY

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한국 달래의 자생 특성 (Characteristics of Natural Habitats to Allium monanthum in South Korea)

  • 김경민;박순기;김창길;오중열
    • 한국육종학회지
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    • 제42권4호
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    • pp.381-389
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    • 2010
  • 한국의 전역에 자생하는 달래를 대상으로 육종 및 재배의 기초 자료를 얻고자 자생환경과 자생특성을 조사하였다. 자생지의 광환경은 121개의 자생지 중에서 반음지가 66개의 54.6%, 음지가 42개의 34.7%, 그리고 양지가 13개의 10.7%의 순이었다. 자생하는 장소는 밭 주변이 55개의 45.4%, 사찰 주변이 34개의 28.1%, 산 주변이 22개의 18.2%, 하천변이 7개의 5.8%, 그리고 도로변이 3개의 2.5%의 순이었다. 자생지는 $33^{\circ}N{\sim}38^{\circ}N$, $126^{\circ}E\sim129^{\circ}E$ 범위의 모든 지역에 널리 분포하였다. 자생지의 지역적인 분포를 보면 충청북도와 경상북도에 많았고 전라북도와 전라남도에는 적었다. 자생양상은 개체와 개체 사이가 밀착하여 집단을 형성하였다. 생육은 자생지역에 따라 다소 차이가 있었으나 대체로 맹아기는 9월과 익년 3월이었으며, 월동 후 3월부터 4월까지 생장하였고 추대하는 개체는 없었다.

Chemical ecology in Insect Pest Mangement

  • Guan, Zhi-He
    • 한국응용곤충학회지
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    • 제31권3호
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    • pp.276-288
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    • 1992
  • In this paper, the author gave a brief review on the meaning and background involving the growth of chemical ecology. Semichemicals which might be developed as insect control techniques incorporating in IPM program were described. The relevant semichemicals were grouped under separate topics including intraspecific semiochemicals, or pheromones (sex pheromones, alarm pheromones, and epidiectic pheromones), and interspecific semiochemicals, or allelochemics (allomones of Plant origin, and kairomones favoring natural enemies). Here, the author dealt with those of practical aspects only. The prospects of chemical ecology in insect pest management were also proposed.

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A Short Record for the Distribution of Bulbophyllum inconspicuum in Hongdo

  • Yoon, Young-Jun;Jang, Rae-Ha;Tho, Jae-Hwa
    • Proceedings of the National Institute of Ecology of the Republic of Korea
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    • 제2권3호
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    • pp.166-169
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    • 2021
  • The purpose of this study was to identify the natural habitat of Bulbophyllum inconspicuum Maxim. in Hongdo, Jeonnam Province, South Korea. A field investi gation was conducted between May 2019 and May 2021. The growth of B. inconspicuum species was confirmed in three known regions based on National Survey on the Distribution of Endangered Species. Additionally, in the area investigated, 37 new regions harboring B. inconspicuum were detected. The newly observed B. inconspicuum grew naturally on Quercus mongolica, Rhaphiolepis indica var. umbellata, Carpinus turczaninowii, and rocks. Most of them were found on southeast and southwest slopes with altitude above 250 m. As few as 10 up to hundreds of B. inconspicuum were found in clusters. Close to their habitat, Calanthe sieboldii Decne. ex Regel, C. aristulifera Rchb. f. and C. × kibanakirishima Maek. were also found. As Hongdo is an island, multiple endangered species were found together. Thus, once the habitat of a certain plant is discovered, it is very likely that illegal collection of several other species will also occur. Proactive internal and external measures are needed to preserve these species.

Current status and characteristics of the Ecological and Natural Map in the Republic of Korea

  • Eui-Jeong Ko;Hyosun Leem;Junghyun Lee;Wooseok Oh
    • Journal of Ecology and Environment
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    • 제48권1호
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    • pp.8-16
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    • 2024
  • The integration and management of various national ecological assessments are essential for the benefit of the public. In the Republic of Korea, the Ecological and Natural Map (ENM) serves as a comprehensive platform that synthesizes the results of national ecosystem surveys into a unified system interface. To provide the current status and characteristics of our policy, we analyzed the ENMs and related appeals from 2014 to 2022. Following their implementation, the ENM Guidelines underwent nine revisions, with most of the revisions pertaining to appeals. Nine public announcements were made regarding the ENM, resulting in a gradual expansion of the conservation area. The data also showed a consistent increasing trend in appeals. Most of the 1st-grade areas in the ENM regions where appeals were filed have significantly decreased. The larger area or the smaller population density of an administrative distinct, the more appeals were filed. Our study presents information regarding the current status of the ENM system. The analysis of the operational direction and indicator trends across the 16-year period since the establishment of the system provides valuable insights for similar systems.

한국 산달래의 자생 특성 (Natural Habitats' Characteristics of Allium grayi in Korea)

  • 김경민;김창길;오중열
    • 생명과학회지
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    • 제20권2호
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    • pp.219-224
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    • 2010
  • 산달래 자생특성을 전국에 걸쳐 조사하고 이들을 대상으로 생태 및 형태적인 주요형질을 검토하여 우량종의 선발과 아울러 육종과 재배에 필요한 자료를 얻고자 연구를 하였다. 자생지의 광환경은 303개의 자생지 중에서 양지는 194개인 64.0%로 가장 많았고, 반음지는 96개인 31.7%로 다음이었으며, 음지는 13개인 4.3%로 가장 적었다. 자생장소는 밭 주변 51.2%, 사찰 주변은 18.8%, 산 11.6%, 도로변 7.9%, 하천변 5.9%, 논 주변이나 해안 2.3%의 순이었다. 자생지는 $33^{\circ}N{\sim}38^{\circ}N$, $126^{\circ}E{\sim}130^{\circ}E$ 범위의 모든 지역에 널리 분포하였다. 자생양상은 개체 간에 1~10 m의 간격으로 군생하였으며 모구 주위에 3~5개의 자구가 있었다. 생육은 자생지역에 따라 차이가 있었으나 대체로 맹아기는 9월에 시작되어 익년의 3월까지이었다. 추대기는 5월이었고, 그 양상은 주아만 착생하는 것이 59.2%, 꽃과 주아가 혼생하는 것이 24.7%, 그리고 꽃만 착생하는 것이 16.1%로 3유형이 있었다.

천연염색 내의류 제품개발을 위한 디자인 선호 조사 연구 -남녀 대학생을 중심으로- (Investigation of Design Preference for Developing of Natural Dyeing Underwear -Focusing on Male and Female University Students-)

  • 유경숙
    • 한국생활과학회지
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    • 제18권4호
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    • pp.913-922
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    • 2009
  • The purpose of this study was to investigate and offer useful information on natural dyeing underwear industry through an analysis of 20's purchasing behavior and design preference between male and female. From 600 questionnaires that were distributed, 512 with usable data were coded for further statistical analysis including descriptive statistics(frequency and chi-square test), by using SPSS 12.0 and the major results were as follows. Given that a large number of 20's purchase men's underwear by their parents, and women's of their own. It was found that the underwear for men in their 20's should be developed in an attempt to place greater emphasis on improving functions as an outerwear. It is important to strengthen the design and marketing strategy specially tailored to 20's of natural dyeing underwear products.

서양 근대 생물학의 국내 도입에 관한 연구:생태학 (The Introduction of Western Ecology into Korea)

  • Joon-Ho, Kim
    • The Korean Journal of Ecology
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    • 제19권1호
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    • pp.81-91
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    • 1996
  • The sicence of ecology was introduced into Korea as a part of biology translated into Chinese or Korean from western biology textbooks imported by way of China or directly from the West at the end of 19th c. to the beginning of 20th c. After the Japanese annexation of Korea in 1910, Japanese technologists had studied applied ecology to exploit the natural resources of Korea. Reforestation, begetation eclogy, riparian vegetation, etc. were investigated by workers from the West. Such ecological researches, however, did not contribute to the introduction of ecology into Korea, and the anture of the Korean peninsula was utilized by foreign ecologists as ecological research sites. Several Korean ecologists, not many, worked actively at the end of Japanese rule, and contributed to the settlement ecology in Korea since 1945.

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Unrecorded Soil Fungi Isolated from the Dokdo, Korea

  • Eo, Ju-Kyeong;Park, Eunsu;Choi, Jae-Wook;Shin, Hyun-Chul;Choi, Seung-Se;Park, So-Yeon
    • Proceedings of the National Institute of Ecology of the Republic of Korea
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    • 제3권3호
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    • pp.172-177
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    • 2022
  • Two unrecorded fungi, Diaporthe perseae and Fusarium falciforme, were isolated from soil sampled from Dokdo in Korea. There have been many reports of Diaporthe sp. and Fusarium sp. in mainland Korea but none of them have reported in Dokdo so far. We used the morphological features and two molecular markers including the internal transcribed spacer and translation elongation factor 1-α region to compare and analyze these species with the closely related taxa. As a result, we confirmed that these fungi were unrecorded soil fungi in Korea. Then, the cultural and morphological characteristics such as the conidia of these two fungal species could be clarified. These results are expected to help us to understand the distribution of fungi in Dokdo and manage the Dokdo Island Natural Reserve.

북한의 자연환경 관리와 생태공학 관련 법령 체제 분석 (Analysis of Legal System Related to Management of Natural Environments and Ecological Engineering in North Korea)

  • 조강현
    • Ecology and Resilient Infrastructure
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    • 제6권1호
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    • pp.49-57
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    • 2019
  • 본 연구에서는 북한의 생태계와 국토 관리에 대한 문제를 해결할 수 있는 법적 체계를 수립하는데 도움을 주기 위하여, 자연환경과 사회기반시설에 대한 북한의 법령을 종합적으로 분석하였다. 북한의 헌법에서 환경권은 자연환경 보전의 측면이 강조되어 있다. 북한에서는 자연환경과 국토 관리에 대한 법령은 비교적 통합적으로 제정되어 있었다. 자연환경 관리에서 자연보호지역 설정을 중심으로 생태계 보전이 이루어지고 있다. 국토관리에서는 사회기반시설에 대한 우선순위가 강조되고 있다. 북한의 자연환경과 국토 관리에 대한 선진적인 법 체제 구축과 법 집행의 성과를 거두기 위하여 경제적, 기술적 지원이 요청된다.

Cotoneaster horizontalis Decne 추출물의 항산화 및 항염증 활성 (Anti-Oxidative and Anti-Inflammatory Activities of Cotoneaster horizontalis Decne Extract)

  • 이지영;진경숙;권현주;김병우
    • 한국미생물·생명공학회지
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    • 제43권3호
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    • pp.280-285
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    • 2015
  • Cotoneaster horizontalis Decne 에탄올 추출물(CHEE)의 항산화능과 항염증 생리활성을 분석하였다. CHEE의 항산화능을 DPPH radical scavenging activity로 분석한 결과 radical 소거능의 정도가 양성 대조군으로 사용한 ascorbic acid와 유사한 정도의 높은 활성을 보여 매우 강한 항산화능을 보유함을 확인하였다. 또한 RAW 264.7 세포주를 이용하여 H2O2 유도에 의해 생성된 ROS에 대한 소거능을 분석한 결과에서도 강한 소거능을 보였다. 뿐만 아니라 항산화효소 HO-1 및 그 전사 인자인 Nrf2의 단백질 발현이 CHEE의 처리에 의해 증가되었다. 한편 CHEE가 LPS에 의해 유도된 NO 생성에 미치는 영향을 분석한 결과 농도의존적인 NO 생성 저해능을 보였으며 이는 NO 생성 단백질인 iNOS의 발현 저해에서 기인함을 확인하였다. 이러한 결과를 통해 C. horizontalis의 항산화능과 항염증 활성을 세포 수준에서 처음으로 확인하였으며 향후 기능성 소재로서 유용하게 활용될 수 있을 것으로 판단된다.