Functional zoning is a critical phase in the planning of parks.Through summarizing and analyzing the functional zoning modes of different urban park types in China,as well as comparing to the functional zoning modes o...Functional zoning is a critical phase in the planning of parks.Through summarizing and analyzing the functional zoning modes of different urban park types in China,as well as comparing to the functional zoning modes of nature reserves,famous scenic areas and overseas national parks,the functional zoning modes of urban wetland parks in China were elaborated in this study,the assumption of further sectorization were put forward,and theoretical supports were sought for more scientific and operable functional zoning of urban wetland parks.展开更多
The estuary wetland is the last barrier for inland pollutants flowing into the sea. The possibility to use the natural wetland, mainly reed marsh and Suaeda heteroptera community as land treatment system to polluted ...The estuary wetland is the last barrier for inland pollutants flowing into the sea. The possibility to use the natural wetland, mainly reed marsh and Suaeda heteroptera community as land treatment system to polluted river water was studied. Experimental results indicated that the reed march has a high retention rate to pollutants like COD, N, P and oil. The canal system has high a purification rate to these elements as well. There is also a big potential to use the Suaeda community as a treatment system to exchange water from prawn and crab breeding ponds along the coast. As the pollution problem of coastal seawater has become more and more serious in Eastern China, and Liaohe is among the most seriously polluted 7 rivers in China, this study will greatly contribute to the strategy makers to take suitable reactions.展开更多
ABSTRACT: According to preliminary statistics, there are 9. 4 ×106ha of mire, 8. 0 × 106ha of lake, 2. 1 × 106ha of salt marsh, 2.1 × 107ha of shallow sea (0 - 5m), and 3. 8 × 107ha of paddyfi...ABSTRACT: According to preliminary statistics, there are 9. 4 ×106ha of mire, 8. 0 × 106ha of lake, 2. 1 × 106ha of salt marsh, 2.1 × 107ha of shallow sea (0 - 5m), and 3. 8 × 107ha of paddyfield, their total area amounts to 8. 45× 107ha. Wetland consists of natural wetland system and man-made wetland system. According to hydrology, landform, soil and vegetation etc., natural wetland can be divided into the following types: marine, esturine, riverine, lacustrine, palustrine subsystems. On the basis of the wetland bottom compound, waterlogged state and vegetation forms, it can be subdivided into 26 wetland classes. Man-made wetland can be subdivided into 4 wetland classes. Wetland is a unique landscape in the earth and one of the most important living environment with rich resources and many functions. At present, 262 different types of Wetland Natural Reserves have been established in China, in which 7 Wetland Nature Reserves have been listed in international important wetlands of The Wetland展开更多
The ecological function of wetland is introduced from the angles of natural conservation reservoir, flood irrigation, coastal land protection and erosion management. The threats and degradation of wetland are analyzed...The ecological function of wetland is introduced from the angles of natural conservation reservoir, flood irrigation, coastal land protection and erosion management. The threats and degradation of wetland are analyzed. In the end, protection of ecological system of wetland is proposed.展开更多
Wetlands are an important source of natural resources upon which rural economies depend. They have increasingly been valuable for their goods and services, and the intrinsic ecological value they provide to local popu...Wetlands are an important source of natural resources upon which rural economies depend. They have increasingly been valuable for their goods and services, and the intrinsic ecological value they provide to local populations, as well as people living outside the periphery of the wetlands. Stakeholders＇ participation is essential to the protection and preservation of wetlands because it plays a very important role economically as well as ecologically in the wetland system. The objective of this study was to determine whether gender, educational status, mouzas （which are constituents of a block according to the land reform of the West Bengal Government in India）, and wetland functions have any influence on the annual income of the local community. Considering a floodplain wetland in rural India, the focus was extended to recognize the pattern of wetland functions according to the nature of people＇s involvement through cluster analysis of the male and female populations. Using the statistical software R-2.8.1, an ANOVA （analysis of variance） table was constructed. Since the p value （significance level） was lower than 0.05 for each case, it can be concluded that gender, educational status, mouzas, and wetland functions have a significant influence on annual income. However, S-PLUS-2000 was applied to obtain a complete scenario of the pattern of wetland functions, in terms of involvement of males and females, through cluster analysis. The main conclusion is that gender, educational status, mouzas, and wetland functions have significant impacts on annual income, while the pattern of occupation of the local community based on wetland functions is completely different for the male and female populations.展开更多
Wetlands in Jianghan plain lake district fulfill many uses and functions related to hydrology, waste assimilation, ecosystem productivity and bio diversity. But human incorrect activities generally result in signifi...Wetlands in Jianghan plain lake district fulfill many uses and functions related to hydrology, waste assimilation, ecosystem productivity and bio diversity. But human incorrect activities generally result in significant negative impacts on number, biodiversity, and functioning of wetlands. In order to put wetland resources to rational use and protect wetland ecological environment, some effective measures should be taken.展开更多
[Objective] The aim was to better reveal the type of ecosystem service function of wetlands in Chao Lake and provide references for protection and man- agement, restoration and rebuilding of local wetland ecosystem. [...[Objective] The aim was to better reveal the type of ecosystem service function of wetlands in Chao Lake and provide references for protection and man- agement, restoration and rebuilding of local wetland ecosystem. [Method] The val- ues of ecosystem function was estimated by market value method, opportunity cost approach, replacement cost method, shadow engineering approach, travel cost method, hedonic pricing method and contingent value method. [Result] With wetland ecosystem service function value totals 4.968 billion yuan, the value of eco-environ- ment regulation and maintenance was the highest, followed by the value of cultural and social function. The value of material production was the least. The values of sub-functions can be concluded by comparison of service function va}ue and pro- portions, as follows： flood mitigation 〉water purification 〉water conservation 〉 tourism＆leisure〉material production〉scientific research and education〉water supply〉 biodiversity maintenance〉regulation on atmosphere constituents. [Conclusion] The re- search performed quantitative evaluations on ecosystem service function values of wetlands in Chao Lake and is of significance for specific development and protec- tion of local wetlands.展开更多
According to the status of Wujiatang Wetlands Park in Kunming and its guiding ideology,the design and recovery strategies are proposed.The wetlands park is divided into 3 functional areas:the wetlands reserve,the eco-...According to the status of Wujiatang Wetlands Park in Kunming and its guiding ideology,the design and recovery strategies are proposed.The wetlands park is divided into 3 functional areas:the wetlands reserve,the eco-tourism part,and the entertainment & recreation part.The restoration of Wujiatang Wetlands Park in Kunming City is carried out by the habitats building of plants and animals,water system management,and water purification.展开更多
文摘Functional zoning is a critical phase in the planning of parks.Through summarizing and analyzing the functional zoning modes of different urban park types in China,as well as comparing to the functional zoning modes of nature reserves,famous scenic areas and overseas national parks,the functional zoning modes of urban wetland parks in China were elaborated in this study,the assumption of further sectorization were put forward,and theoretical supports were sought for more scientific and operable functional zoning of urban wetland parks.
文摘The estuary wetland is the last barrier for inland pollutants flowing into the sea. The possibility to use the natural wetland, mainly reed marsh and Suaeda heteroptera community as land treatment system to polluted river water was studied. Experimental results indicated that the reed march has a high retention rate to pollutants like COD, N, P and oil. The canal system has high a purification rate to these elements as well. There is also a big potential to use the Suaeda community as a treatment system to exchange water from prawn and crab breeding ponds along the coast. As the pollution problem of coastal seawater has become more and more serious in Eastern China, and Liaohe is among the most seriously polluted 7 rivers in China, this study will greatly contribute to the strategy makers to take suitable reactions.
基金Under the auspices of the important B items of the Chinese Academy of Sciences(KZ951-B1-201).
文摘ABSTRACT: According to preliminary statistics, there are 9. 4 ×106ha of mire, 8. 0 × 106ha of lake, 2. 1 × 106ha of salt marsh, 2.1 × 107ha of shallow sea (0 - 5m), and 3. 8 × 107ha of paddyfield, their total area amounts to 8. 45× 107ha. Wetland consists of natural wetland system and man-made wetland system. According to hydrology, landform, soil and vegetation etc., natural wetland can be divided into the following types: marine, esturine, riverine, lacustrine, palustrine subsystems. On the basis of the wetland bottom compound, waterlogged state and vegetation forms, it can be subdivided into 26 wetland classes. Man-made wetland can be subdivided into 4 wetland classes. Wetland is a unique landscape in the earth and one of the most important living environment with rich resources and many functions. At present, 262 different types of Wetland Natural Reserves have been established in China, in which 7 Wetland Nature Reserves have been listed in international important wetlands of The Wetland
文摘The ecological function of wetland is introduced from the angles of natural conservation reservoir, flood irrigation, coastal land protection and erosion management. The threats and degradation of wetland are analyzed. In the end, protection of ecological system of wetland is proposed.
文摘Wetlands are an important source of natural resources upon which rural economies depend. They have increasingly been valuable for their goods and services, and the intrinsic ecological value they provide to local populations, as well as people living outside the periphery of the wetlands. Stakeholders＇ participation is essential to the protection and preservation of wetlands because it plays a very important role economically as well as ecologically in the wetland system. The objective of this study was to determine whether gender, educational status, mouzas （which are constituents of a block according to the land reform of the West Bengal Government in India）, and wetland functions have any influence on the annual income of the local community. Considering a floodplain wetland in rural India, the focus was extended to recognize the pattern of wetland functions according to the nature of people＇s involvement through cluster analysis of the male and female populations. Using the statistical software R-2.8.1, an ANOVA （analysis of variance） table was constructed. Since the p value （significance level） was lower than 0.05 for each case, it can be concluded that gender, educational status, mouzas, and wetland functions have a significant influence on annual income. However, S-PLUS-2000 was applied to obtain a complete scenario of the pattern of wetland functions, in terms of involvement of males and females, through cluster analysis. The main conclusion is that gender, educational status, mouzas, and wetland functions have significant impacts on annual income, while the pattern of occupation of the local community based on wetland functions is completely different for the male and female populations.
文摘Wetlands in Jianghan plain lake district fulfill many uses and functions related to hydrology, waste assimilation, ecosystem productivity and bio diversity. But human incorrect activities generally result in significant negative impacts on number, biodiversity, and functioning of wetlands. In order to put wetland resources to rational use and protect wetland ecological environment, some effective measures should be taken.
基金Supported by Anhui Environment Protection Scientific Research Program in 2014(201404)~~
文摘[Objective] The aim was to better reveal the type of ecosystem service function of wetlands in Chao Lake and provide references for protection and man- agement, restoration and rebuilding of local wetland ecosystem. [Method] The val- ues of ecosystem function was estimated by market value method, opportunity cost approach, replacement cost method, shadow engineering approach, travel cost method, hedonic pricing method and contingent value method. [Result] With wetland ecosystem service function value totals 4.968 billion yuan, the value of eco-environ- ment regulation and maintenance was the highest, followed by the value of cultural and social function. The value of material production was the least. The values of sub-functions can be concluded by comparison of service function va}ue and pro- portions, as follows： flood mitigation 〉water purification 〉water conservation 〉 tourism＆leisure〉material production〉scientific research and education〉water supply〉 biodiversity maintenance〉regulation on atmosphere constituents. [Conclusion] The re- search performed quantitative evaluations on ecosystem service function values of wetlands in Chao Lake and is of significance for specific development and protec- tion of local wetlands.
文摘According to the status of Wujiatang Wetlands Park in Kunming and its guiding ideology,the design and recovery strategies are proposed.The wetlands park is divided into 3 functional areas:the wetlands reserve,the eco-tourism part,and the entertainment & recreation part.The restoration of Wujiatang Wetlands Park in Kunming City is carried out by the habitats building of plants and animals,water system management,and water purification.
