• Title/Summary/Keyword: 습지 생태계

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외래 잡초 발생 및 방제전략(9) - 털물참새피(knotgrass)

  • Park, Jae-Eup
    • Life and Agrochemicals
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    • s.248
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    • pp.54-55
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    • 2009
  • 2002년 생태계 위해 외래식물의 하나로 지정되었다. 습지, 수로, 논둑 등에 발생하여 논으로 침입하는 잡초로 벼와 뒤엉켜 수량감소 뿐만 아니라 콤바인 기계수확 작업에도 많은 지장을 초래한다.

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Flora of Gonggeom-ji Wetlands Protection Area (Sangju-si, Gyeongsangbuk-do) (공검지(경북 상주) 습지보호지역의 식물상)

  • Song, Im Geun;Park, Seon Joo
    • Journal of Wetlands Research
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    • v.15 no.2
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    • pp.203-214
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    • 2013
  • Knowing how many species live in a ecosystem is a major work because of the distributions of species are determined by the environmental condition. This study was carried out to investigate the distribution of vascular plants of Gonggeom-ji, located in Sangju-si, Gyeongsangbuk-do, from April to October on 2012. The vascular plants were summarized as 240 taxa including 69 families, 176 genus, 204 species, 2 subspecies, 29 varieties, and 5 forma. Among the investigated taxa, 3 taxa of Korean endemic plants were included. Based on the list of specially designated plants by Ministry of Environment, 11 taxa including Alisma orientale, Monochoria korsakowii and Nymphoides peltata were recorded. The naturalized plants were identified as 26 taxa and the ratio of naturalized index (NI) was 10.8% of vascular plants recorded. 31 taxa of hydrophytes showed 17.8% of Korea. To conservation of wetlands, we suggest that it is required to minimize for unnecessary disturbance of human and to make a strategy for effective management by continuous monitoring for ecosystem alteration.

A Case Study on Selecting Sites for Wetland Restoration - Focusing on the Research Survey of National Inland Wetlands Monitoring in 2016 - (복원대상습지 선정 사례 연구 - 2016년 전국내륙습지 모니터링 결과를 중심으로 -)

  • Lee, Jung-Hwan;Lee, Chang-Su;Kim, Mi-Jeong
    • Journal of Environmental Impact Assessment
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    • v.28 no.1
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    • pp.71-81
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    • 2019
  • This study aims to provide basic data for the decision-making process in selecting sites for wetland restoration projects. To this end, the current list of demaged wetlands was identified based on the findings from the nationwide monitoring project in 2016 targeted at wetlands in inland areas. Then, to determine the necessity of restoration for these demaged sites, the cause of demage was investigated, and their conservation value was examined from an ecological and legal perspective. The 2016 monitoring project identified a total of 20 demaged wetlands, of which one site was deemed to have high conservation value through analysis of its ecological and legal values and on-site reviews. The results of this study are expected to support policymakers' decision-making in selecting wetlands for restoration projects since it identifies priority sites among demaged wetlands that require immediate restoration efforts. It should also be pointed out that wetlands in South Korea cannot benefit from legal protection despite their high conservation value unless they have a designated status as protected areas.

Vegetation characteristics, conservation and ecotoursim strategies for water spider(Argyroneta aquatica) in small marsh, Korean Natural Monument (물거미가 서식하는 천연기념물 습지의 식생학적 특성과 보전 및 생태관광화 방안)

  • You, Young-Han;Yi, Hoon-Bok
    • Journal of Wetlands Research
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    • v.11 no.2
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    • pp.99-106
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    • 2009
  • Water spider(Argyroneta aquatica Clerck) is only spider that live under aquatic water. In korea, water spider distributed only in Undari Wetland, Yeochon County, Kyongii Proviance, where it is designated as Natural Monument. I counted the population density, analysed the ecological traits such as actual vegetation map, and suggested conservation strategy and eco-tourism planning for water spider. The population mean density of water spider was one individual/$m^2$ and 8,000 individuals/ha. The wetland inhabited by water spider was characterized by high water level fluctuation between rainy season and dry ones. Wetland plant community was dominated by Phragmites australis and Leersia oryzoides var. japonica with submersed plant, Utricularia japonica. It is need to supply water for inhibiting terrestial succession trend during the dry season and to connect three fragmented wetlands through ecological corridor. Also, It was suggested that ecotourism planning is important for conserving this wetland.

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Analysis of Local Resident's Consciousness on Coastal Restoration Project in Gangjin Bay (강진만 해역복원사업에 대한 지역주민 인식분석)

  • Hong, Sun-Kee;Kim, Kyung-Wan;Kim, Jae-Eun;Lee, Kyoung-Ah
    • Journal of Wetlands Research
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    • v.12 no.3
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    • pp.107-127
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    • 2010
  • This research is about the monitoring of people's consciousness on ecosystem change after coastal restoration project in Gangjin Bay. Tidal flat ecosystem of Ganjin Bay was major producing district of short-necked clam in Jeonnam Province. Owing to coastal restoration project (sand gathering and dredging) during 5 years, however, ecosystem was disturbed and harvesting of fish was decreased. Although a few of ark shell and oyster are harvested but drastically decreased. Even aging and depopulation is general situation like other rural regions, life pattern of villages and depopulation in Gangjin Bay was influenced by drastic decreasing of income. As the results of social monitoring, drastic decreasing of fish and shell in Gangjin Bay is significantly concerned with coastal restoration project (sand gathering and dredging) and also with difficulty of fresh-water inflow to coastal bay because of Jangheung Dam. In order to get the detail information on the cause and consequence of ecosystem change in tidal flat, it is necessary to apply the long-term socio-economic monitoring as well as biological and ecosystem monitoring.

Physical Evaluation of Wetland Type Abandoned Channel (습지형 구하도의 물리적 평가)

  • Hong, Il;Kwon, Bo-Ae;Kang, Jun-Gu;Yeo, Hong-Koo
    • Proceedings of the Korea Water Resources Association Conference
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    • 2011.05a
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    • pp.201-201
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    • 2011
  • 본 연구는 국내 하천에서 방치되고 있는 구하도 구간의 물리적 상태를 파악함으로써 이를 보전 또는 관리하기위한 기초자료로써 활용하고자 한다. 국내의 구하도 구간은 자연적인 발생보다는 하천의 직강화, 하천부지 이용의 고도화 등 인위적인 교란으로 인해 형성된 것이 대부분이다. 이와 같이 사행구간의 하도가 절단(Cutoff)됨으로써 형성된 구하도는 우각호 형상의 습지형 구하도와 이미 육역화되어 농경지나 나대지로 이용되는 육화형 구하도로 구분할 수 있다. 특히 폐천(Abandoned Channel)화가 진행된 대부분의 습지형 구하도는 수질, 생태계, 육역화, 농업용수 이용 등 다양한 문제점 및 현안을 가지고 있기 때문에 이에 대한 보전 또는 관리가 필요하다. 이를 위해서는 우선적으로 습지형 구하도의 현재를 진단하고 평가하기 위한 연구가 선행되어야 한다. 따라서 본 연구에서는 습지형 구하도를 평가하기 위한 평가지표를 제안하고 이를 만경강 습지형 구하도 5개소에 적용하였다. 평가지표는 국내외에서 제안된 하천환경 평가지표와 RAM(일반기능평가기법)을 토대로 작성하였다. 이 평가지표는 단절된 습지구간에 적정한 지표, 자료 획득의 용이성, 즉시 적용 가능한 것을 우선순위로 선정하였다. 평가지표는 자연도, 서식처, 친수, 수질 등 4개 지표를 세분화한 총 25개 항목으로 제안하였다. 만경강에 대한 물리적 평가결과 습지형 구하도의 경우 서식처, 자연도 부분이 높은 점수를 획득한 반면 수질과 친수 지표는 상대적으로 취약한 것으로 평가 되었다. 이와 같은 결과는 향후 만경강 습지형 구하도에 대한 보전 및 관리계획을 수립함에 있어 주요 고려사항이 될 수 있을 것이다.

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Assessment of Hwapo riverine wetland function using Hydrogeomorphic Approach (HGM을 이용한 화포천 습지의 기능평가)

  • Yin, Shanhua;Kim, Duck Gil;Kim, Hung Soo;Kwak, Jae Won
    • KSCE Journal of Civil and Environmental Engineering Research
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    • v.30 no.1B
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    • pp.53-60
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    • 2010
  • A wetland is an ecosystem which has high species diversity, rich nutritional substances and high productivity. In this study we used the HGM(Hydrogeomorphic) approach among various evaluation models for the assessment of the Hwapo riverine wetland function. HGM is a method which estimates the functional index of a study wetland by comparing it with a reference wetland. In this study the Woopo wetland which is registered in the Ramsar Convention was selected as a reference wetland to assess the functional index of the Hwapo wetland. As the results, we obtained the functional index values over 0.6 for most indices of the Hwapo riverine wetland. Therefore we found that the Hwapo riverine wetland shows relatively high functional index values comparing with the Woopo wetland and it has valuable hydrological, biochemical, plant habitat, and animal habitat functions.