• Title/Summary/Keyword: Preservation of wetland

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A Study on the Wetland User's Eco-consciousness and Preference of Amenities - Focused on Upo Marsh Users - (습지 이용자 생태의식과 시설선호도 연구 - 우포늪을 대상으로 -)

  • Jeong, Jae-Man;Oh, Jeong-Hak;Kim, Jin-Seon
    • Journal of the Korean Society of Environmental Restoration Technology
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    • v.16 no.6
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    • pp.77-91
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    • 2013
  • The researcher noted the fact that wetland users are more and more diversified while people are more conscious of their ecological importance. Wetlands tend to be very sensitive in ecological terms, and therefore, they can hardly accommodate their users' needs indefinitely. With such basic perception in mind, the purpose of this study was to survey wetland users' eco-consciousness, determine their traits, analyze the corelation between their traits and preferences of wetland amenities, and thereby, provide the data useful to planning of an effective wetland management policy. To this end, the researcher sampled nation's largest wetland, Upo Marsh located in Changnyeong for a questionnaire survey. Wetland users' eco-consciousness was measured, using Dunlap's NEP (New Ecological Paradigm) approved by many researchers. Wetland users' preferences of the wetland amenities were measured, centered around 11 amenity types observed commonly at the domestic wetlands. As a result of the survey conducted in October, 2012, a total of 228 effective samples were acquired. Wetland users' eco-consciousness was higher than normal, scoring 3.45 on the 5-point scale consisting of 5 sub-scales. In particular, users were more conscious of 'the possibility of an eco-crisis,' while being less conscious of 'ejection of exemptionalism.' As a result of classifying the users into 3 sub-groups in reference to their eco-consciousness and analyzing their preferences of amenities comparatively, significant differences were found in all 3 sub-areas. In particular, the sub-group most eco-conscious tended to prefer the learning amenities, but the least eco-conscious sub-group tended to prefer the utilities. As a result of the post-hoc test, it was found that most and normal eco-conscious sub-groups were more or less homogeneous, while the least eco-conscious sub-group was significantly different from the former 2 sub-groups in terms of eco-consciousness. As the wetland users were found to be diversified in terms of their eco-consciousness, it is necessary to plan the wetland management policies in consideration of such differences. However, it is perceived that the wetland amenities need to be built to meet the more eco-conscious users.

Wetland Utilization of the Cut River and Economic Analysis for Flood Control (폐천의 습지 이용과 치수경제성 분석)

  • Kim, Hung Soo;Lee, Sang Sik;Jeong, Sang Man;Park, Soo Yong
    • Journal of Wetlands Research
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    • v.4 no.1
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    • pp.43-50
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    • 2002
  • The channel improvement plan has contributed to the flood damage reduction studies and the plan has mainly performed by the levee construction which creates the cut river. The cut river has mainly used as the agricultural and housing purposes. Recently, however, it is considered as a natural wetland for the purposes of a flood control and preservation of nature. So, this study compares the economical benefits according to the purposes of the cut river utilizations such as an agricultural, levee construction for flood damage reduction, and wetland. The study area is the downstream part of Kok-Neung stream which is a main tributary of Han river. The agricultural and levee construction benefits are estimated based on the 'Agricultural and Forestry Statistical Year' (2000) and the 'Standard for River Design' (2001). The benefit or value for the wetland utilization of the cut river is estimated by the enquete using questionnaire. As a results, for the case of which the cut river is used as an agricultural land, the present net benefit is estimated as 195.81 million won, for the levee construction, as 20853.00 million won and for the wetland, as 24692.89 million won. Therefore, the wetland is the best choice for the cut river utilization.

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The Status of Ramsar wetlands in India: A review of ecosystem benefits, threats, and management strategies (인도 내 람사르 습지 현황 : 생태계 이점, 위협 및 관리 전략)

  • Farheen, K.S.;Reyes, N.J.D.G.;Jeon, M.S.;Kim, L.H.
    • Journal of Wetlands Research
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    • v.24 no.2
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    • pp.123-141
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    • 2022
  • Wetland also known as "Jheelon" in Hindi language is one of the most important natural resources, contributing various economic and ecological benefits. The study gave a short review of the current status of Ramsar wetlands in India. The wildlife species, conservation measures, and their significance in Indian wetlands were also explored in this review paper. As of 2022, there are 49 Ramsar sites in India covering approximately 1,09363.6 km2 of land. The largest Ramsar wetland is Sundarbans, while the smallest is Chandertal. It was found that preventing wetland loss is important even though studies about wetland degradation in various nations including India, caused directly by human activities is still limited. Since Monitoring and protecting natural wetlands, supporting scientific studies on preservation and restoration of wetlands, demand on imposing regulations for limiting pollutant discharges were recommended allowing researchers, policymakers, and practitioners to better maintain wetland and its ecosystem services.

Vegetation of Jangdo wetland conserved area in South Korea and its management strategy (장도습지보호지역의 식생 특성과 관리방안)

  • Lee, Seung-Yeon;Hong, Yong-Sik;Jung, Heon-Mo;Lee, Eung-Pill;Kim, Eui-Joo;Park, Jae-Hoon;Jung, Young-Ho;Cho, Kyu-Tae;You, Young-Han
    • Korean Journal of Environmental Biology
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    • v.37 no.1
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    • pp.109-118
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    • 2019
  • This study was carried out to investigate the vegetation of wetland and terrestrial lands in Jangdo wetland conserved area in Korea and to analyze the characteristics of the vegetation changes in the recent years. From the plant community, there were evergreen broad-leaved forests of the Machilus thunbergii, Castanopsis cuspidata, and Machilus thunbergii-Castanopsis cuspidata communities. Moreover, there were deciduous broad-leaved forests of the Salix koreensis, Mallotus japonicus, Mallotus japonicus-Pueraria thunbergiana and Celtis sinensis communities. Additionally, there were shrub forests of the Rosa multiflora-Rubus hirsutus, grassland of Molinia japonica-Miscanthus sacchariflorus and Miscanthus sacchariflorus-Imperata cylindrica communities, and plantation forest of the Pseudosasa japonica community. The area of the wetland vegetation (15%) was much narrower than that of the terrestrial land vegetation (85%). Comparing these results with those of the past 10 years, the wetland plant communities decreased by one-third and the proportion of neutral or dry plant communities increased. In order to mitigate landization succession of the wetland and maintain native wetland vegetation in this area, the expansion of the Salix koreensis community must be controlled to a suitable scale. In addition, it is urgently required to remove the invasive non-wetland plants, such as Pseudosasa japonica and Pueraria thunbergiana.

Implication of the Ratio of Exchangeable Cations in Mountain Wetlands (산지습지 치환성 양이온 함량비의 특성과 함의)

  • Shin, Young Ho;Kim, Sung Hwan;Rhew, Hosahang
    • Journal of the Korean Geographical Society
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    • v.49 no.2
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    • pp.221-244
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    • 2014
  • We suggested several implications by examining geochemical properties of sediments in Simjeok, Jangdo, and Hwaeomneup mountain wetlands which are natural preservation areas. Geochemical properties of wetland sediments show that all wetlands were included in the type of fens, but their distribution patterns were different from one another. We classified three sub-groups of sediments using the two step cluster analysis on the ratio of exchangeable cations. Wetland sediments can be grouped into Ca-dominated, Mg-dominated, and K-dominated types. Simjeok wetland have Ca-dominated sediments, while the sediments of Jangdo wetland indicate the Mg-dominated and Ca-dominated characteristics. Hwaeomneup wetland is composed of K-dominated sediment mainly. Different properties in the ratio are affected by various environmental factors such as geological, pedological, and vegetational settings. Because these geochemical properties will be affected by climate change and human impacts, these will be environmental indicator in mountain wetlands and be used in wetland management. This scheme can be used for classification of mountain wetlands. Therefore, we should work on geochemical properties of wetland sediments and classification schemes based on geochemical properties not only to widen understanding in geomorphic system or ecosystem of mountain wetlands but to conserve mountain wetlands properly.

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Type Classification and Functional Assessment of a Dam Lake - In the Case of the Boryung Lake - (댐 저수지 내 습지 유형 및 기능평가 연구 - 보령호를 중심으로 -)

  • Yang, Byoung-Ho;Cho, Un-Sik;Koo, Bon-Hak
    • Journal of the Korean Society of Environmental Restoration Technology
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    • v.8 no.6
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    • pp.80-91
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    • 2005
  • This research aims to classify wetland types and evaluate functions of a dam lake. The case study area is Boryung lake in Boryung City. In this study was carried out based upon field surveys, drawing maps and publication, and modified-RAM which can evaluate the general functions and conservation values of wetlands. Eight functions of 2-12 variables each are analyzed for assessing the wetland functions. The analysis shows that several types of wetlands were identified, such as Palustrine/ Perennial/ Hydrophytes, Palustrine/ Perennial/ Openwater, Palustrine/ Seasonal/ Herbal, Palustrine/ Seasonal/ Shrub and Scrub, Palustrine/ Seasonal/ Hydrophye, and Riparian/ Seasonal/ Shrub in the Boryung lake. The average level of functions of the wetlands is very "HIGH", and it is recommended that prompt conservation measures should be taken.

Study on Function and Vegetational Assessment Values of Man-made Wetland in Gunsan City (군산시 인공습지의 기능평가 및 식생학적 가치평가 연구)

  • Kang, Eun-Ok;Choi, Young-Eun;Kim, Chang-Hwan
    • Journal of Environmental Science International
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    • v.21 no.8
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    • pp.997-1007
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    • 2012
  • This study was performed to assess functions of 10 man-made wetlands in Gunsan City, Jeollabuk Province by means of RAM (Rapid Assessment Method), a technique recommended by Ramsar Convention to appraise wetlands. The assessment of the wetlands value found Gunsan reservoir to have the highest function points while Bukchosan reservoir was estimated to have the lowest function among the wetlands surveyed. By detailed factors of valued 10 man-made wetland, the wetlands were found to function most favorably in terms of vegetational variety and as habitat for wild animals. They need to have more improved functions as habitats for fish and amphibians reptiles, for preservation and betterment of water quality as well as for supplement of underground water, though. From the assessment of vegetational naturalness of the surveyed reservoirs, Gunsan reservoir turned out to be the most favorable wetland from the viewpoint of vegetation science whereas, however, Anjeong wetland was rated as the lowest in the assessment of vegetational value due to simplicity in its vegetation and lots of dangers in its neighborhood threatening its vegetation and ecology. The assessment of vegetational values for Gunsan, Gongchang, Daewi, Bukchosan, Anjeong, Geumgul, Changan and Chuksan reservoirs showed the same orextremely similar results as RAM function assessment. Geumsan reservoir only, however, featured the opposite result.

A Study on Conservation Plan of Peatland - A Case Study of Yang-San Peatland - (고층습지 관리계획을 위한 고찰 - 양산고층습지를 중심으로 -)

  • Yoon, Sung-Yoon;Ahn, Byung-Young
    • Journal of Wetlands Research
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    • v.3 no.1
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    • pp.29-38
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    • 2001
  • We have studied the Yang-San peatland area to make a conservation plan. Since the peatland has its own unique ecosystem, which provides important resources in studying transformations of ecosystem, vegetation, weather, and many other things, it is not enough to emphasize the importance of preserving this area. Based on our investigation, we propose the followings to preserve the Yang-San peatland area and use in environmentally sustainable manner. First, it should be designated as a Wetland preservation area to make a conservation system between government and citizens. Second, a monitoring system is essential to observe the change of ecosystem and prohibit trespassing. Third, a comprehensive and precise investigation is in need how to restore the ecosystem. Fourth, an educational information about the ecosystem should be provided through pamphlets, postcards, visiting centers etc.

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