• 제목/요약/키워드: RAMSAR WETLAND

검색결과 59건 처리시간 0.021초

Jewel of Thar Desert: Case study of a hidden wetland

  • Monali Sen
    • 한국습지학회지
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    • 제25권1호
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    • pp.26-34
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    • 2023
  • Wetlands are very critical for the conservation of aquatic ecosystems, while also serving as the breeding/ nesting/ resting grounds for water birds. Generally, wetlands support both resident and migratory birds, thus serving as connecting dots in the global flyways. The Rajasthan state of India has two Ramsar sites (Keoladeo National Park and Sambhar Lake) and many other water bodies/wetlands. However, most of these areas are segregated in the eastern, southeastern, southern, and northern parts. In the western part of Rajasthan, where lies the Great Indian or Thar desert, there are no such reported prominent wetlands drawing attention towards a substantial number of resident and migratory water birds. The author is an Indian Forest Service officer, who was posted in the Thar Desert region and during that time had identified a hidden wetland in the desert landscape. This study deliberates on the wetland location and its faunal diversity with prospects of developing the area as a proper wetland conservation zone. India is a signatory to the Central Asian Flyway of migratory species and serves as an important member in terms of having significant wetlands and reported migratory birds count. The need of preserving and bring the arid zone's hidden wetlands to the forefront can serve as an important tool to conserve water birds and comply with worldwide bird migration conservation efforts.

Distribution of Fish Species in Wetland Protected Areas in South Korea

  • Chu, Yeounsu;Yoon, Jungdo;Cho, Kwang-Jin;Kim, Mijeong;Lim, Jeongcheol;Lee, Changsu
    • Proceedings of the National Institute of Ecology of the Republic of Korea
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    • 제2권1호
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    • pp.42-52
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    • 2021
  • In order to secure basic data on biodiversity for wetland conservation and management used the data from Wetland Protected Area surveys conducted in South Korea (2015-2019) to analyze the distribution of fish from a total of 15 orders, 45 families, 134 species, and 12,972 individuals. The predominant species identified were Zacco platypus (Temminck and Schlegel) (19.47%) and Zacco koreanus (Kim, Oh and Hosoya) (8.16%). Of all emergent species, 52.9% (n=71 species) were freshwater species, 26.9% (n=36) were brackish species, 3.0% (n=4) were migratory species, 27% (n=36) were marine species, and 9.0% (n=12) were riffle benthic species. Overall, 5.2% (n=7 species) were endangered species, 3.0% (n=4) were exotic species, and 23.1% (n=31) were Korean endemic species. The eight identified Wetland Protected Areas (WPA) were classified based on their habitat characteristics and on the analysis of their emergent fish communities, as estuarine (n=2), coastal dune (n=1), marsh (n=2), stream (n=2), and stream-marsh (n=1) types. The environmental factors revealed to have the greatest influence on the species diversity of emergent fish were maintenance and repair, installation of reservoirs, and construction of artificial wetlands around them. The present study offers basic information on the diversity of fish species in different Wetland Protected Area types that can be used to inform conservation and management decisions for WPA.

문헌분석을 통한 동아시아 습지 변화 요인 및 영향 분석 연구 (A Study on the Changing and Influence Factors in East Asia Wetland through Literature Analysis)

  • 유영훈;;이하늘;김경훈;이준형;김형수
    • 한국습지학회지
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    • 제23권3호
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    • pp.260-276
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    • 2021
  • 습지는 습지를 구성하는 내·외부적 환경으로부터 끊임없이 영향을 받으면서 크고 작은 변화를 겪는다. 람사르 등록 습지의 약 15%가 위치하고 있는 동아시아 지역은 다양한 습지 유형, 생물 다양성 등으로 매우 보존가치가 높은 지역이지만, 기후변화 등의 요인으로 습지 면적의 감소, 생물 다양성 훼손 등의 문제가 제기되고 있다. 이를 완화하고 습지의 지속적인 관리를 위해서는 습지의 변화 요인을 파악하고, 각 요인이 어떤 영향을 미치는지 분석할 필요가 있다. 본 연구에서는 동아시아 지역의 습지관련 문헌분석을 통해 습지의 변화에 영향을 주는 요인을 도출하고, 영향 요인별 관계를 분석하여 향후 습지 변화요인을 고려한 연구방향을 제시하였다. 대부분의 동아시아 지역 국가는 직접적인 요인 내 추출 요인과 간접적인 요인 내 물-에너지 인프라, 관광/레저 요인에 대한 연구가 부족하였다. 또한 각 요인 간 연결성 및 관계 분석 결과와 Ramsar에서 제시한 요인 간 관계표를 통해 추가적인 연구에 대한 방향을 제시하였다. 본 연구를 통해 얻은 결과들은 동아시아 지역의 연구개발 협력체계 구축, 습지 관리 역량 강화 등에 기여할 것으로 판단된다.

Wetland Construction: Flood Control and Water Balance Analysis

  • Kim, Duck-Gil;Kwak, Jae-Won;Kim, Soo-Jun;Kim, Hung-Soo;Ahn, Tae-Jin;Singh, Vijay P.
    • Environmental Engineering Research
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    • 제15권4호
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    • pp.197-205
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    • 2010
  • Recent years have witnessed increasing interest in wetland constructions in Korea as a flood control measure during the flood season and for consideration of the ecology during the non-flood season. In this study, hydraulic and hydrologic analyses were performed on a wetland construction plan for use as an alternative sustainable flood defense during the flood season, as well as a wetland that can protect the ecosystem during the non-flood season. The study area was the basin of the Topyeong-cheon stream, which is a tributary of the Nakdong River, including the Upo wetland, which is registered in the Ramsar Convention and the largest inland wetland in Korea. Wetlands were to be constructed at upstream and downstream of the Upo wetland by considering and analyzing seven scenarios for their constructions to investigate the effect of flood control during the flood season; it was found the best scenario reduced the flood level by 0.56 m. To evaluate the usefulness of the constructed wetlands during the non flood season, the water balance in the wetlands was analyzed, with the best scenario found to maintain a minimum water level of 1.3 m throughout the year. Therefore, the constructed wetlands could provide an alternative measure for flood prevention as well as an ecosystem for biodiversity.

Heavy Metal Concentrations in the Mollusc Gastropod, Cipangopaludina chinensis malleata from Upo Wetland Reflect the Level of Heavy Metals in the Sediments

  • Kim, Heung-Tae;Kim, Jae-Geun
    • Journal of Ecology and Environment
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    • 제29권5호
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    • pp.453-460
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    • 2006
  • Upo wetland is the largest inland wetland in Korea as Ramsar Convention Area. The purposes of the study were to investigate the levels of heavy metals (Cd, Cr, Cu, Ni, Pb and Zn) in the sediment and Cipangopaludina chinensis malleata from three sites of the wetland and to assess the potential of the gastropod as a bioindicator for heavy metal levels. The gastropods were dissected into shell and soft tissue without the digestive and excretive organs. The levels of Cd, Cu and Pb were below the guideline of Soil Environment Conservation Act and the heavy metals except Cr were slightly different among the sites. Cd was higher in Upo site ($0.32{\mu}g/g$) than Sajipo site ($0.28{\mu}g/g$). Cu and Zn showed the highest value in Sajipo as $43.5{\mu}g/g\;and\;39.8{\mu}g/g$, respectively while the concentrations of Pb and Zn were the highest in Upstream as $58.8{\mu}g/g\;and\;138{\mu}g/g$, respectively. In the soft tissues and shells of the gastropod, the overall common trend in the concentrations of the heavy metals was revealed with the following order: Zn > Cu > Cr > Ni > Pb > Cd and Ni > Zn > Cr > Cu > Pb > Cd, respectively. Although the soft tissues exhibited higher concentrations of the heavy metals except Ni than the shell in the gastropod, the levels of Cd and Pb in the gastropod were generally below the restrictive values set up by Korea Food & Drug Administration. From Duncan's Multiple Range Test (DMRT) results, the concentrations of Pb and Zn in the sediments among the sites were reflected on the soft tissue (Pb) and the shell (Pb and Zn) of the gastropod in the same order. The lower value of coefficient of variation (CV) in Pb concentration of the shell than in that of the soft tissue supports the usefulness of the shell as a bioindicator for Pb pollution. Although the CV value in the shell was a little higher than in the soft tissue, DMRT results and the stability of incorporated Zn into the shell support the use of the shell of the gastropod as a potential bioindicator for long-term contamination of Zn.

LiDAR 자료를 이용한 을숙도 지역 3차원 습지 구분도 제작 (3D Wetlands Classification Mapping of Eulsukdo Area Using LiDAR Data)

  • 이재원;이기철;김용석;위광재
    • 한국측량학회지
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    • 제27권6호
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    • pp.639-647
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    • 2009
  • 오늘날 신속한 정보화 사회의 정착에 따라 지형공간정보의 수요와 활용이 급격히 증가하고 있으며, 해마다 변화하는 지형공간자료의 최신성과 정확성을 충족시키기 위해 국가지리정보체계 구축사업이 활발히 진행되고 있다. 그 중에서도 최근 정부의 뉴딜녹색정책의 핵심인 4대강 살리기 사업, 국제 습지보전 협약인 람사르(Ramsar) 총회의 개최 등으로 어느 때보다 환경 분야에 대한 관심이 높아지고 있는 실정이다. 한편, 낙동강 하구 지역은 습지는 물론 환경 분야에서의 보전가치가 매우 높아 관련분야에서 다양한 연구가 진행되고 있다. 하지만, 이 지역은 인위적 개발과 자연 현상으로 인한 지형과 생태계의 변화가 급속히 진행되고 있으나 이러한 변화 모니터링의 기본자료인 지형 DB 구축은 매우 미흡한 실정이다. 본 연구에서는 이러한 현실을 감안하여 낙동강 하구에 속하는 을숙도 복원습지를 대상으로 항공 LiDAR 측량을 수행하여 3차원 지형도와 식생분류를 통한 습지 구분도를 제작하여 정밀 지형 DB를 구축하였다. 이러한 정밀 지형 DB는 향후 을숙도 복원습지의 체계적인 유지관리에 크게 기여할 것으로 사료된다.

위성 레이더 영상 중 Sentinel-1을 활용한 탄소 흡수원 공간분석 - 운곡습지를 대상으로 - (Spatial Analysis of Carbon Storage in Satellite Radar Imagery Utilizing Sentinel-1: A Case Study of the Ungok Wetlands)

  • 유하은;조영일;이신우;이명진
    • 대한원격탐사학회지
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    • 제39권6_3호
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    • pp.1731-1745
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    • 2023
  • 2020년부터 시작된 신기후체제와 관련하여 파리협정 장기온도 목표를 위해 국가결정기여와 격년투명 보고서 제출이 요구된다. 기후변화에 관한 정부간 협의체에서 정의하는 토지이용·토지이용변화 및 임업에서 습지생태계는 탄소흡수원이나 국내 온실가스 인벤토리(Inventory) 산정에서 침수지로 지목 통계하여 배출원으로 보고되었다. 본 연구는 C-band 레이더 영상을 활용한 내륙 습지 토지이용 유형 세분화 및 변화량 산정을 진행하여 온실가스 인벤토리 산정 고도화에 기여하고자 한다. 연구지역은 국내 내륙습지 보전지역과 람사르(Ramsar) 습지로 지정된 운곡 습지이다. 활용 자료는 풍수기와 갈수기를 포함하는 24시기 Sentinel-1 위성 영상, 항공정사영상, 내륙습지 공간정보, 드론 촬영 영상이다. 이를 활용하여 침수지역과 비침수지역 구분, 침수지의 시계열적 공간 변화 정량화, 침수 지역의 최대·최소 면적을 차분한 변화 면적을 확인하였다. 변화 면적이 크게 산정된 지역을 대상으로 풍수기와 갈수기 두 시기 드론 촬영을 실시하였다. 습지의 침수지역 면적산출 및 시계열적 정량화는 국가 온실가스 인벤토리 고도화의 기초자료로 활용이 가능하다.

우포늪의 홀로세 동안 퇴적환경 변화 및 돌말류 분포 특성 (Holocene Paleoenvironmental Changes and Characteristic of Diatom Distribution in Upo Wetland of Korea)

  • 이호일;이상득;이진영;임재수;권대률;박미례;윤석민
    • 생태와환경
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    • 제53권2호
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    • pp.109-137
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    • 2020
  • Upo Wetland is the largest riverine wetland in Korea which has been inscribed on the Ramsar List of Wetlands of International Importance in 1998. In this study, sedimentological study was carried out in order to understand the environmental changes in Upo Wetland during the Holocene. The drilling work for recovering the Quaternary sediments was conducted on the inner part (UPW17-01, UPW17-02, and UPW17-03) and the outer part (UPL17-01, UPL17-02) of the Upo Wetland. The recovered sediments are commonly characterized by gravel-dominated deposits in the lower part and silty clay-dominated deposits in the middle to upper parts respectively, which are seemed to be changed from fluvial to palustrine/lacustrine environments around 4,000 cal yr BP. In order to establish the Holocene diatoms distribution from Upo Wetland, we identified 63 diatom taxa. Of these, 14 species were new records for Korea: Gomphonema consector, Gomphonema jadwigiae, Hantzschia abundans, Luticola pseudomurrayi, Luticola spauldingiae, Neidium suboblongum, Ninastrelnikovia gibbosa, Oricymba rhynchocephala, Pinnularia borealis var. lanceolata, Pinnularia latarea, Pinnularia paliobducta, Pinnularia saprophila, Sellaphora laevissima, Stauroneis pseudoschimanskii. All identified diatom species are illustrated by high-quality scanning electron microscopic and light microscopic microphotographs. The ecological habitat for all taxa are presented.

숨은물뱅듸 습지(제주도)의 식물 다양성 (Flora of Sumeunmulbaengdui wetland in Jeju-do, Korea)

  • 고성철;손동찬;박범균
    • 식물분류학회지
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    • 제44권3호
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    • pp.222-232
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    • 2014
  • 한라산국립공원에 위치한 숨은물뱅듸 습지의 관속식물상 조사를 2010월 9월부터 2014년 5월까지 계절별로 총 9회에 걸쳐 실시하였다. 그 결과, 숨은물뱅듸 습지에 생육하는 관속식물은 69과 148속 202종 2아종 27변종 5품종의 총 236분류군으로 조사되었다. 조사된 식물들을 생활형에 따라 구분하면 대형지상식물 37분류군, 소형지상식물 26분류군, 착생식물 2분류군, 지표식물 3분류군, 반지중식물 84분류군, 지중식물 33분류군, 수생식물 21분류군, 일년생식물 30분류군으로 나타났다. 이중 한국특산식물은 10분류군이, 희귀 및 멸종위기식물은 9분류군이 각각 채집되었다. 식물구계학적특정식물은 5등급 3분류군, 4등급 7분류군, 3등급 12분류군, 2등급 8분류군, 그리고 1등급 13분류군의 총 43분류군이, 귀화식물은 붉은서나물과 서양민들레 2분류군이 각각 발견되었다. 숨은물뱅듸 습지는 제주도 내 람사르 습지들과 비교해 볼 때 습지의 규모가 크고, 종 다양성이 우수하여, 식물학적으로 가치가 매우 높은 것으로 판단된다. 따라서 지속적인 관심과 구체적인 보호 관리 방안이 요구된다.

Assessing Biodiversity of Benthic Macroinvertebrates and Influences of Several Environmental Factors on the Community Structure in Upo Wetland by Long-term Ecological Monitoring

  • Kim, Hyoung-Gon;Lee, Dong-Jun;Yoon, Chun-Sik;Cheong, Seon-Woo
    • 한국환경과학회지
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    • 제25권4호
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    • pp.459-472
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    • 2016
  • We assessed the distribution of benthic macroinvertebrate at four surveying sites in Upo Wetland, a Ramsar site and the largest wetland in Korea, from February 2006 to November 2013. A long-term ecological monitoring was done monthly by using quantitative sampling method with dip net for analyzing the community change and correlation between the biodiversity and the environmental factors because environmental factors have a decisive effect on the community structure of the benthic macroinvertebrates. Total samples from the Upo Wetland area were classified into 3 phyla, 6 classes, 17 orders, 68 families, 176 species, and 25,720 individuals. Among the 176 species, 62 of the species had not been previously reported in this area. Asellus sp., Diplonychus esakii, and Gyraulus chinensis were the most common species in Upo Wetland. The change patterns of annual species diversity and species richness were calculated by using the average number of monthly occurring species and individuals. Diversity index increased from March to May and decreased after that showing lower diversity indices in July and August. It increased again in September and in October. Richness index showed similar tendency and fell around February and July, followed by a rising tendency around May and October. Correlation and regression analyses were performed with the change of biodiversity and each environmental factor. We found that water temperature have very significant positive correlation with species diversity in spring, and have significant indices in autumn and winter. On the other hand, precipitation showed a significantly negative correlation value in summer and autumn suggesting it has an effect on the community structure of benthic macroinvertebrates.