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Journal articles on the topic 'Natural and constructed wetlands'

Author: Grafiati

Published: 9 March 2023

Last updated: 31 July 2025

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1

Kennedy, Gavin, and Tatiana Mayer. "Natural and Constructed Wetlands in Canada: An Overview." Water Quality Research Journal 37, no. 2 (2002): 295–325. http://dx.doi.org/10.2166/wqrj.2002.020.

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Abstract A review of freshwater wetland research in Canada was conducted to highlight the importance of these ecosystems and to identify wetland research needs. Both natural and constructed wetland systems are discussed. Natural wetlands are an important part of the Canadian landscape. They provide the habitat for a broad variety of flora and fauna and contribute significantly to the Canadian economy. It is estimated that the total value derived from consumptive and non-consumptive activities exceeds $10 billion annually. The past decades have witnessed the continued loss and degradation of we

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2

Gopal, Brij. "Natural and Constructed Wetlands for Wastewater Treatment: Potentials and Problems." Water Science and Technology 40, no. 3 (1999): 27–35. http://dx.doi.org/10.2166/wst.1999.0130.

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Wetlands are being considered increasingly important for wastewater treatment because of the ability of many wetland plants to absorb large amounts of nutrient and a variety of toxic substances. The paper highlights the physical, chemical and biological processes which contribute to the improvement of water quality, and the distinction between natural and constructed wetlands. The impacts of long-term wastewater disposal on the biotic changes, reduction in treatment efficiency, and wetland processes such as production of trace gases, are pointed out. Constraints in using wetlands, for wastewat

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3

Sukhla, Prof Saurabh M., Mr Khatik Sufiyan Jameel, Mr Prasad Abhishek Ramesh, et al. "Wastewater Treatment Using Constructed Wetland System." International Journal for Research in Applied Science and Engineering Technology 10, no. 5 (2022): 1303–6. http://dx.doi.org/10.22214/ijraset.2022.42463.

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Abstract: Natural wetland such as marshes ,swamps and bogs protect water quality . constructed or artificial wetland system mimic the treatment that occurs in natural wetlands by rellyilng on plants and a combination of naturally occurring biological , chemical and physical processes to remove pollutants from water . As of 1999,there were more than 500 constructed wetland in Europe and 600 in north America . constructed wetland are a less energy intensive and more environmentally sound way of treating waste water and conserving potable water . The first single family home constructed wetland i

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4

Berego, Yohannes Seifu, Solomon Sorsa Sota, Mihret Dananto Ulsido, and Embialle Mengistie Beyene. "Treatment Performance Assessment of Natural and Constructed Wetlands on Wastewater From Kege Wet Coffee Processing Plant in Dale Woreda, Sidama Regional State, Ethiopia." Environmental Health Insights 16 (January 2022): 117863022211427. http://dx.doi.org/10.1177/11786302221142749.

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Constructed wetlands are engineered systems built to use natural processes and remove pollutants from contaminated water in a more controlled environment. The research was an experimental research carried out to assess the effectiveness of natural and constructed wetland systems in the treatment of coffee wastewater. The 2 vertical flow constructed wetland was built. The first wetland covered an area of 132 m2. It has 12 m width and 11 m length. Open space is constructed between 2 constructed wetlands with a dimension of 11 m × 3 m × 1 m. The second wetland was constructed and its function is

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Shalini, Saxena. "EFFICACY OF PHRAGMITE KARKA PLANT IN CONSTRUCTED WETLAND SYSTEM." International Journal of Research - GRANTHAALAYAH 3, no. 9 (Special Edition) (2017): 1–5. https://doi.org/10.5281/zenodo.849045.

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Wetlands, either constructed or natural, offer a cheaper and low-cost alternative technology for wastewater treatment. A constructed wetland system that is specifically engineered for water quality improvement as a primary purpose is termed as a ‘Constructed Wetland Treatment System’ (CWTS). In the past, many such systems were constructed to treat low volumes of wastewater loaded with easily degradable organic matter for isolated populations in urban areas. However, widespread demand for improved receiving water quality, and water reclamation and reuse, is currently the driving force for the i

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6

Saxena, Shalini. "EFFICACY OF PHRAGMITE KARKA PLANT IN CONSTRUCTED WETLAND SYSTEM." International Journal of Research -GRANTHAALAYAH 3, no. 9SE (2015): 1–5. http://dx.doi.org/10.29121/granthaalayah.v3.i9se.2015.3177.

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Wetlands, either constructed or natural, offer a cheaper and low-cost alternative technology for wastewater treatment. A constructed wetland system that is specifically engineered for water quality improvement as a primary purpose is termed as a ‘Constructed Wetland Treatment System’ (CWTS). In the past, many such systems were constructed to treat low volumes of wastewater loaded with easily degradable organic matter for isolated populations in urban areas. However, widespread demand for improved receiving water quality, and water reclamation and reuse, is currently the driving force for the i

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7

Saxena, Shalini. "CLEAN DEVELOPMENT MECHANISM AND CARBON CYCLING OF SEWAGE WASTE BY CONSTRUCTED WETLANDS." International Journal of Research -GRANTHAALAYAH 10, no. 4 (2022): 209–15. http://dx.doi.org/10.29121/granthaalayah.v10.i4.2022.4517.

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Wetlands, either constructed or natural, offer a cheaper and low-cost alternative technology for wastewater treatment. A constructed wetland system that is specifically engineered for water quality improvement as a primary purpose is termed as a ‘Constructed Wetland Treatment System’ (CWTS). In the past, many such systems were constructed to treat low volumes of wastewater loaded with easily degradable organic matter for isolated populations in urban areas. However, widespread demand for improve in water quality, and water reclamation and reuse, is currently the driving force for the implement

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8

Hadidi, Luna Al. "CONSTRUCTED WETLANDS A COMPREHENSIVE REVIEW." International Journal of Research -GRANTHAALAYAH 9, no. 8 (2021): 395–417. http://dx.doi.org/10.29121/granthaalayah.v9.i8.2021.4176.

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Constructed wetlands are wastewater treatment systems composed of one or more treatment cells in a building designed and constructed to provide wastewater treatment. Constructed wetlands are classified into two types: free water surface (FWS) wetlands (also known as surface flow wetlands) closely resemble natural wetlands in appearance because they contain aquatic plants that are rooted in a soil layer on the bottom of the wetland and water flows through the leaves and stems of plants. Subsurface flow wetlands (SSF) or known as a vegetated submerged bed (VSB) systems do not resemble natural we

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9

King, Susan K., and Stephen C. Richter. "Reproductive Ecology and Nesting Site Characteristics of Four-Toed Salamanders (Hemidactylium scutatum) in Natural and Constructed Upland-Embedded Wetlands on the Appalachian Plateau, Kentucky." Diversity 14, no. 11 (2022): 995. http://dx.doi.org/10.3390/d14110995.

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Many forested freshwater wetlands have been altered or destroyed, and wetlands are constructed to offset loss. However, they do not always replace the function of natural wetlands. It is important to understand how features of the habitat differ between types of wetlands and whether constructed wetlands provide an adequate habitat for species adapted to natural wetlands. Our objectives were to measure the characteristics of Four-toed Salamanders’ nesting habitat and determine which factors contribute to the abundance of eggs and nests in natural and constructed upland-embedded wetlands within

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10

Zhang, Jian, Yao Qin, Yuxuan Zhang, Xin Lu, and Jianjun Cao. "Comparative Assessment of the Spatiotemporal Dynamics and Driving Forces of Natural and Constructed Wetlands in Arid and Semiarid Areas of Northern China." Land 12, no. 11 (2023): 1980. http://dx.doi.org/10.3390/land12111980.

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Arid and semiarid wetlands, the core geographical unit of desert oases, significantly benefit and improve the ecological environment. In this study, we systematically compared the spatiotemporal dynamics and driving forces of natural and constructed wetlands in arid and semiarid regions of northern China from 1995 to 2019. For these comparisons, we utilized a land-use transition matrix, partial least-squares–structural equation model (PLS-SEM), and geographically weighted regression (GWR) model. The results showed that (1) the area of wetlands as a whole showed an upward trend, with natural an

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11

Jethwa, Dr Kruti B. "A Review on Design Basis for Constructed Wetlands for Wastewater Treatment." International Journal for Research in Applied Science and Engineering Technology 9, no. VIII (2021): 373–77. http://dx.doi.org/10.22214/ijraset.2021.37163.

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Since last few years Constructed Wetlands (CWs) are being used to treat secondary or tertiary municipal or domestic wastewater effluents have been recognized as an effective means of “green technology” for wastewater treatment. Constructed wetlands (CWs) provide a natural way for simple, inexpensive, and robust wastewater treatment. The idea of natural management systems is the restoration of disturbed ecosystems and their sustainability for remuneration to nature. The Constructed wetlands (CWs) are designed to copy natural wetland systems, utilizing wetland plants, soil and associated microor

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12

Ge, Xiu Li, Ren Qing Wang, and Jian Liu. "The Comparison of the Community Features between the Constructed Wetland and the Natural Wetland in Nansi Lake." Advanced Materials Research 518-523 (May 2012): 5238–43. http://dx.doi.org/10.4028/www.scientific.net/amr.518-523.5238.

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Thirteen typical plant communities were investigated in Xinxuehe constructed wetland restored for five years and in Gaolou natural wetland restored naturally for eight years. Both wetlands are located in Nansi Lake area. The species composition, coverage, aboveground biomass and biodiversity indices were compared between the communities from the constructed wetland and the natural wetland. The results showed that the constructed wetland and the natural wetland had similar emergent species and typical species of their own, however neither coverage nor aboveground biomass showed significant diff

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13

Li, Han, Radmila Petric, Zinah Alazzawi, et al. "Four Years Continuous Monitoring Reveals Different Effects of Urban Constructed Wetlands on Bats." Land 10, no. 10 (2021): 1087. http://dx.doi.org/10.3390/land10101087.

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Proactive artificial wetland constructions have been implemented to mitigate the loss of wetlands and their ecosystem services. As wetlands are habitats for bats, short-term (one or two years) studies find that constructed wetlands can immediately increase local bat activity and diversity. However, it is not clear how constructed wetlands affect bats through time while the wetlands are aging. We collected four years of continuous bat acoustic monitoring data at two constructed wetlands in an urban park in Greensboro, NC, USA. We examined bat activity and community composition patterns at these

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Li, Han, Radmila Petric, Zinah Alazzawi, et al. "Four Years Continuous Monitoring Reveals Different Effects of Urban Constructed Wetlands on Bats." Land 10, no. 10 (2021): 1087. https://doi.org/10.5281/zenodo.13449738.

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(Uploaded by Plazi for the Bat Literature Project) Proactive artificial wetland constructions have been implemented to mitigate the loss of wetlands and their ecosystem services. As wetlands are habitats for bats, short-term (one or two years) studies find that constructed wetlands can immediately increase local bat activity and diversity. However, it is not clear how constructed wetlands affect bats through time while the wetlands are aging. We collected four years of continuous bat acoustic monitoring data at two constructed wetlands in an urban park in Greensboro, NC, USA. We examined bat a

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15

Li, Han, Radmila Petric, Zinah Alazzawi, et al. "Four Years Continuous Monitoring Reveals Different Effects of Urban Constructed Wetlands on Bats." Land 10, no. 10 (2021): 1087. https://doi.org/10.5281/zenodo.13449738.

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(Uploaded by Plazi for the Bat Literature Project) Proactive artificial wetland constructions have been implemented to mitigate the loss of wetlands and their ecosystem services. As wetlands are habitats for bats, short-term (one or two years) studies find that constructed wetlands can immediately increase local bat activity and diversity. However, it is not clear how constructed wetlands affect bats through time while the wetlands are aging. We collected four years of continuous bat acoustic monitoring data at two constructed wetlands in an urban park in Greensboro, NC, USA. We examined bat a

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16

Li, Han, Radmila Petric, Zinah Alazzawi, et al. "Four Years Continuous Monitoring Reveals Different Effects of Urban Constructed Wetlands on Bats." Land 10, no. 10 (2021): 1087. https://doi.org/10.5281/zenodo.13449738.

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(Uploaded by Plazi for the Bat Literature Project) Proactive artificial wetland constructions have been implemented to mitigate the loss of wetlands and their ecosystem services. As wetlands are habitats for bats, short-term (one or two years) studies find that constructed wetlands can immediately increase local bat activity and diversity. However, it is not clear how constructed wetlands affect bats through time while the wetlands are aging. We collected four years of continuous bat acoustic monitoring data at two constructed wetlands in an urban park in Greensboro, NC, USA. We examined bat a

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17

Li, Han, Radmila Petric, Zinah Alazzawi, et al. "Four Years Continuous Monitoring Reveals Different Effects of Urban Constructed Wetlands on Bats." Land 10, no. 10 (2021): 1087. https://doi.org/10.5281/zenodo.13449738.

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(Uploaded by Plazi for the Bat Literature Project) Proactive artificial wetland constructions have been implemented to mitigate the loss of wetlands and their ecosystem services. As wetlands are habitats for bats, short-term (one or two years) studies find that constructed wetlands can immediately increase local bat activity and diversity. However, it is not clear how constructed wetlands affect bats through time while the wetlands are aging. We collected four years of continuous bat acoustic monitoring data at two constructed wetlands in an urban park in Greensboro, NC, USA. We examined bat a

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18

Li, Han, Radmila Petric, Zinah Alazzawi, et al. "Four Years Continuous Monitoring Reveals Different Effects of Urban Constructed Wetlands on Bats." Land 10, no. 10 (2021): 1087. https://doi.org/10.5281/zenodo.13449738.

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(Uploaded by Plazi for the Bat Literature Project) Proactive artificial wetland constructions have been implemented to mitigate the loss of wetlands and their ecosystem services. As wetlands are habitats for bats, short-term (one or two years) studies find that constructed wetlands can immediately increase local bat activity and diversity. However, it is not clear how constructed wetlands affect bats through time while the wetlands are aging. We collected four years of continuous bat acoustic monitoring data at two constructed wetlands in an urban park in Greensboro, NC, USA. We examined bat a

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19

Peterson, Hans G. "Use of constructed wetlands to process agricultural wastewater." Canadian Journal of Plant Science 78, no. 2 (1998): 199–210. http://dx.doi.org/10.4141/p97-142.

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Constructed wetlands are emerging as a serious challenge to conventional wastewater treatment because of lower construction and operating costs, less requirement for trained personnel, more flexibility, and lower susceptibility to variations in waste loading rates. Water quality improvements can be achieved by removal of plant nutrients, such as N and P, organics (natural and manmade) as well as inorganic contaminants. Wetland treatment is now advocated by regulatory agencies and has been determined as the technology of choice by municipalities and industries required to meet stringent dischar

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20

Pankratz, S., T. Young, H. Cuevas-Arellano, R. Kumar, R. F. Ambrose, and I. H. Suffet. "The ecological value of constructed wetlands for treating urban runoff." Water Science and Technology 55, no. 3 (2007): 63–69. http://dx.doi.org/10.2166/wst.2007.073.

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The Sweetwater Authority's urban runoff diversion system (URDS) comprises constructed wetlands on a hillside between the town of Spring Valley and the Sweetwater Reservoir, California, USA. The URDS were designed to divert dry-weather and first-flush urban runoff flows from the Sweetwater reservoir. However, these constructed wetlands have developed into ecologically valuable habitat. This paper evaluates the following ecological questions related to the URDS: (1) the natural development of the species present and their growth pattern; (2) the biodiversity and pollutant stress on the plants an

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21

Kadlec, Robert H. "Deterministic and stochastic aspects of constructed wetland performance and design." Water Science and Technology 35, no. 5 (1997): 149–56. http://dx.doi.org/10.2166/wst.1997.0185.

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Potato processing wastewater contains high concentrations of COD, TSS and TKN. A combination of surface flow wetlands, intermittent vertical flow wetlands, ponds and land application has been used for treatment. This engineered natural system balances irrigation requirements, nitrogen supply and seasonal growth patterns to provide effective year-round operation. A first pilot wetland was operated to determine operability, effectiveness, and plant survival at high COD and nitrogen concentrations. A second pilot system of four wetlands in series was operated to obtain design and operating inform

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22

Bhamidimarri, R., A. Shilton, I. Armstrong, P. Jacobson, and D. Scarlet. "Constructed Wetlands for Wastewater Treatment: The New Zealand Experience." Water Science and Technology 24, no. 5 (1991): 247–53. http://dx.doi.org/10.2166/wst.1991.0131.

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The use of constructed wetlands which mimic natural marshlands, represents an innovative approach to wastewater treatment. They make use of diverse ecological mechanisms to renovate wastewater. They are inexpensive to construct and operate with minimal energy requirements. Unlike the conventional technologies, wetlands provide low volumetric reaction rates and therefore are suitable for small-scale applications. The majority of constructed wetlands in New Zealand are used for the treatment of domestic wastewaters from small communities for secondary treatment and pathogen removal. There are ov

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23

Gao, Pan, and Chao Zhang. "Study on Phosphorus Removal Pathway in Constructed Wetlands with Thermally Modified Sepiolite." Sustainability 14, no. 19 (2022): 12535. http://dx.doi.org/10.3390/su141912535.

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Constructed wetlands, as natural sewage treatment ecosystems, have been widely used in the fields of rural domestic sewage and sewage plant tailwater treatment. However, the synchronous removal of phosphorus in most constructed wetlands is not ideal. This study aimed to prepare thermally modified sepiolites with high phosphorus adsorption capacities and design a constructed wetland based on them. Thermal modification was adopted to enhance the adsorption capacity of sepiolite based on its high specific surface area and ion exchange capacity. The physicochemical properties and adsorption perfor

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Dr., Shalini Saxena. "PARAMETERS EVALUATION OF MUNICIPAL WASTE WATER AFTER TREATMENT USING SUB SURFACE FLOW CONSTRUCTED WETLAND IN EKANT PARK BHOPAL." International Journal of Research -GRANTHAALAYAH 4, no. 12 (2016): 24–30. https://doi.org/10.5281/zenodo.221551.

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Land areas which are wet during part or all of the year are referred as wetlands. Constructed wetlands are manmade systems that mimic the functions of natural wetlands and applied for wastewater treatment. Aim of the present study is to investigate the feasibility of using a Tracheophyte, Phragmites karka in constructed wetland for treatment of wastewater in an public park. The daily inlet and outlet wastewater physico-chemical parameters were analysed during the period of two months. The parameters studied were pH, BOD, COD, DO, Total Suspended Solids, Total Dissolved Solids, Nitrogen and Pho

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25

Drayer, Andrea N., and Stephen C. Richter. "Physical wetland characteristics influence amphibian community composition differently in constructed wetlands and natural wetlands." Ecological Engineering 93 (August 2016): 166–74. http://dx.doi.org/10.1016/j.ecoleng.2016.05.028.

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26

Nikolic, Vladimir, Dragan Milicevic, and Slobodan Milenkovic. "Wetlands, constructed wetlands and theirs role in wastewater treatment with principles and examples of using it in Serbia." Facta universitatis - series: Architecture and Civil Engineering 7, no. 1 (2009): 65–82. http://dx.doi.org/10.2298/fuace0901065n.

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Wetlands protection programs, as a relative new approach in surface water and ground-water protection The types of Wetlands, theirs mechanism of removal nutrients and other pollutants from water are shown in this work paper. Wetland restoration, the renewal of natural and historical wetlands that have been lost or degraded, is a growing activity. Constructed wetlands, as treatment systems that use natural processes, are very adequate and highly efficient, low cost way in wastewater treatment for small communities, point pollution sources, depending, of course on conditions and adequate land sp

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Overton, Olivia Celeste, Leif Hans Olson, Sreemala Das Majumder, Hani Shwiyyat, Mary Elizabeth Foltz, and Robert William Nairn. "Wetland Removal Mechanisms for Emerging Contaminants." Land 12, no. 2 (2023): 472. http://dx.doi.org/10.3390/land12020472.

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In recent decades, previously unobserved trace compounds have become more widely detected in wastewater treatment effluents and freshwater ecosystems. Emanating from various sources and presenting potential human health and ecological risks at much lesser concentrations than traditional contaminants, detection of “emerging contaminants” has increased with improvements in analytical techniques. The behavior of emerging contaminants in wetlands is a topic of increasing interest, as natural wetlands are known to transform and sequester pollutants and constructed or treatment wetlands are widely u

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Kao, C. M., and M. J. Wu. "Control of non-point source pollution by a natural wetland." Water Science and Technology 43, no. 5 (2001): 169–74. http://dx.doi.org/10.2166/wst.2001.0278.

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Wetland creation and restoration is a reliable and efficient technology for the remediation of contaminated water. Knowledge from the natural wetland systems would be necessary to enhance the operational efficiency of constructed wetlands. In this study, a mountainous wetland located in McDowell County, North Carolina, USA was selected to demonstrate the effects of the natural filtration and restoration system on the maintenance of surface water quality. The hydraulic retention time (HRT) for the wetland was 10.5 days based on the results from a dye release study. Water quality monitoring of t

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29

Mitchell, D. S., A. J. Chick, and G. W. Raisin. "The use of wetlands for water pollution control in Australia: an ecological perspective." Water Science and Technology 32, no. 3 (1995): 365–73. http://dx.doi.org/10.2166/wst.1995.0159.

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The potential use of natural and constructed wetlands to treat rural and urban wastewaters and run-off has been under active investigation in Australia by the authors and others associated with them for about 15 years. The results of these investigations will be briefly summarised in relation to factors affecting their performance and their application for management of water pollution. Investigations have included rigorous experimentation with wetland microcosms, calculation of nutrient balances for natural and artificial wetlands, fundamental research on the role of wetland plants, the const

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Li, Heying, Jiayao Wang, Jianchen Zhang, Fen Qin, Jiyuan Hu, and Zheng Zhou. "Analysis of Characteristics and Driving Factors of Wetland Landscape Pattern Change in Henan Province from 1980 to 2015." Land 10, no. 6 (2021): 564. http://dx.doi.org/10.3390/land10060564.

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The study of the temporal and spatial evolution of wetland landscapes and its driving factors is an important reference for wetland ecological restoration and protection. This article utilized seven periods of land use data in Henan Province from 1980 to 2015 to extract the spatial distribution characteristics of wetlands and analyze the temporal and spatial changes of wetlands in Henan Province. Transfer matrix, landscape metrics, correlation analysis, and redundancy analysis were applied to calculate and analyze the transformation types and area of wetland resources between all consecutive p

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Wang, Bo, Huan Hui Huang, and Ping Bin Jin. "The Roles and Applications of Wetlands in Eco-City Construction — Taking Ruian City as an Example." Advanced Materials Research 518-523 (May 2012): 6088–96. http://dx.doi.org/10.4028/www.scientific.net/amr.518-523.6088.

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In the process of urbanization, We always neglect the issue of environmental protection. In recognition of this problem, we begin to think about the way to solve it. We find that wetlands have important ecological and environmental functions, which play an important role in maintaining regional ecological balance and the conservation of biological diversity. Especially, urban wetlands are playing an irreplaceable role in eco-city construction. The article takes Ruian city as an example to discuss the utility of natural wetland and constructed wetland in eco-city construction. We conclude that

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Bradley, Jennifer C., and J. M. Zajicek. "Wetland Plants for Wastewater Treatment: A Tremendous Opportunity for Horticulture." HortScience 31, no. 4 (1996): 594c—594. http://dx.doi.org/10.21273/hortsci.31.4.594c.

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A current trend in environmental practices concerns using constructed wetlands for wastewater treatment. The ecological values of wetlands have long been known. Wetland plants aid in the treatment of water pollutants by improving conditions for microorganisms and by acting as a filter to absorb trace metals. Wetlands now are being considered for industrial, municipal, and home wastewater treatment. Constructed wetlands are an economical and environmentally sound alternative for treating wastewater. These constructed “cells” are designed to function like natural wetlands. In constructed wetland

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Toromanović, Merima, Jasmina IBRAHIMPAŠIĆ, and Tibela LANDEKA DRAGIČEVIĆ. "HORIZONTAL FLOW PILOT CONSTRUCTED WETLAND FOR DAIRY WASTEWATER PURIFICATION." Journal of Applied Life Sciences and Environment 56, no. 4(196)/2023 (2024): 507–26. http://dx.doi.org/10.46909/alse-564113.

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Due to the natural energy sources used in constructed wetlands, minimal energy and chemicals are required for wastewater treatment. For the successful wastewater treatment via constructed wetlands, adequate pretreatment and a sufficient amount of oxygen are crucial. Constructed wetlands can be used to treat industrial wastewater, such as wastewater from the dairy industry, with prior degreasing. This study was conducted on a horizontal flow pilot constructed wetland located on a plot of land used by the Biotechnical Faculty in Bihać. The constructed wetland consisted of two fields planted with

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Peng, Ju Wei, and Xiang Kui Han. "Study on the Surface Flow Constructed Wetland Wastewater Treatment of Furfural Wastewater." Advanced Materials Research 281 (July 2011): 233–36. http://dx.doi.org/10.4028/www.scientific.net/amr.281.233.

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According to the characteristics of furfural wastewater, by production enterprises located in low-lying saline land transformed into a surface flow constructed wetlands, the waste water in the wetland approach to natural consumption, no efflux, treated waste water equal to the wetland wastewater by natural evaporation, plant transpiration and plant storage Volume. Research show that, after wetland treatment the wastewater COD removal rate to an average of 94%, TN removal rate to an average of 65%, PH value of treated wastewater is 6.22, the use of surface flow constructed wetland wastewater tr

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35

Noller, B. N., P. H. Woods, and B. J. Ross. "Case Studies of Wetland Filtration of Mine Waste Water in Constructed and Naturally Occurring Systems in Northern Australia." Water Science and Technology 29, no. 4 (1994): 257–65. http://dx.doi.org/10.2166/wst.1994.0205.

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A problem common to mines operating in the tropics is the disposal of water, which may be alkaline, acidic, or contain toxic elements such as arsenic or cadmium. The availability of year-round water supply at many mine sites in Northern Australia, particularly from pit dewatering, together with the monsoonal climate, provide appropriate conditions for the formation of natural wetlands or establishment of artificial wetlands. Wetland species (particularly Typha spp.) flourish in the presence of flowing or shallow water from dewatering, and data collected from natural and experimental wetlands s

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Saxena, Shalini. "PARAMETERS EVALUATION OF MUNICIPAL WASTE WATER AFTER TREATMENT USING SUB SURFACE FLOW CONSTRUCTED WETLAND IN EKANT PARK BHOPAL." International Journal of Research -GRANTHAALAYAH 4, no. 12 (2016): 24–30. http://dx.doi.org/10.29121/granthaalayah.v4.i12.2016.2388.

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Land areas which are wet during part or all of the year are referred as wetlands. Constructed wetlands are manmade systems that mimic the functions of natural wetlands and applied for wastewater treatment. Aim of the present study is to investigate the feasibility of using a Tracheophyte, Phragmiteskarka in constructed wetland for treatment of wastewater in an public park. The daily inlet and outlet wastewater physico-chemical parameters were analysed during the period of two months. The parameters studied were pH, BOD, COD, DO, Total Suspended Solids, Total Dissolved Solids, Nitrogen and Phos

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37

Wang, Wenlong, Mingzhu Sun, Yi Li, Siqi Zhao, Zhenming Zhang, and Xiaofeng Luan. "Multi-Level Comprehensive Assessment of Constructed Wetland Ecosystem Health: A Case Study of Cuihu Wetland in Beijing, China." Sustainability 14, no. 20 (2022): 13439. http://dx.doi.org/10.3390/su142013439.

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Wetlands are one of the world’s three major ecosystems. They not only maintain regional ecological balance but also provide an important guarantee for human survival. Wetland ecosystem health assessment serves as the foundation for wetland protection, management, and restoration. In this study, the method for wetland ecosystem health assessment proposed by the United States Environmental Protection Agency (US EPA) was selected and improved to systematically evaluate the health status of the Cuihu wetlands’ ecosystem at three levels. The results revealed that the Cuihu wetlands’ landscape devel

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Vymazal, Jan. "The Historical Development of Constructed Wetlands for Wastewater Treatment." Land 11, no. 2 (2022): 174. http://dx.doi.org/10.3390/land11020174.

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Constructed wetlands (CWs) for wastewater treatment are engineered systems that are designed and operated in order to use all natural processes involved in the removal of pollutants from wastewaters. CWs are designed to take advantage of many of the same processes that occur in natural wetlands, but do so within a more controlled environment. The basic classification is based on the presence/absence of wastewater on the wetland surface. The subsurface flow of CWs can be classified according to the direction of the flow to horizontal and vertical. The combination of various types of CWs is call

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Chen, Yaoping, Kisoo Park, and Youngchul Kim. "Particle retention in compact constructed wetlands treating highway stormwater." Water Science and Technology 69, no. 7 (2014): 1440–46. http://dx.doi.org/10.2166/wst.2014.026.

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Three pilot-scale compact constructed wetland systems were constructed to treat stormwater from a highway. They each comprised a sedimentation tank, and a vertical flow (VF) wetland bed equipped with a recirculation device. The VF wetland beds were filled with woodchip, pumice and volcanic gravel, respectively. According to the analysis of the particle size distributions (0.52–500 μm), the predominant particles in stormwater ranged in size from 0.52–30 μm. In the sedimentation tank, with a 24 h settling time, the settling efficiencies of the particles increased with increasing particle size. I

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Cao, Qingqing, Haijie Zhang, Wen Ma, Renqing Wang, and Jian Liu. "Composition Characteristics of Organic Matter and Bacterial Communities under the Alternanthera philoxeroide Invasion in Wetlands." Applied Sciences 10, no. 16 (2020): 5571. http://dx.doi.org/10.3390/app10165571.

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The influence of Alternanthera philoxeroide (alligator weed) invasion on wetland organic matter (OM) accumulation and bacterial changes is rarely studied, but is possibly an important step for revealing the invasion mechanism. Thus, the distribution characteristics of light fraction organic carbon and nitrogen (LFOC and LFON), and heavy fractions organic carbon and nitrogen (HFOC and HFON) were analyzed. Sampling was done on two sediment depths (0–15 cm and 15–25 cm) of invaded and normal habitats of two natural wetlands and two constructed wetlands, and bacterial taxa and composition in surfa

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Lott, R. Brandon, and Randall J. Hunt. "Estimating evapotranspiration in natural and constructed wetlands." Wetlands 21, no. 4 (2001): 614–28. http://dx.doi.org/10.1672/0277-5212(2001)021[0614:eeinac]2.0.co;2.

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Wang, Xiao Yun, and Ai Min Fu. "Study on Sediment Characteristics in Artificial Wetland and Natural Wetland." Advanced Materials Research 599 (November 2012): 748–52. http://dx.doi.org/10.4028/www.scientific.net/amr.599.748.

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This paper studied the sidemen characteristics of artificial wetland and natural wetland by cumulant, sedimentary organic matter, DOC and nitrate content. The results showed that the sediments in artificial wetlands upper layer were instable and uncompacted and often had trouble collecting for various factors .which was different from in natural wetland. Artificial wetland must pass through the months and years pass by. Time operation due to be texture, cation exchange capacity and clay changes, resulting in increasing content of organic substances. Natural wetland sediments of dissolved organ

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Affam, Augustine Chioma, Jacqueline Wong Yun Fei, and Wong Chee Chung. "Peat Soil Ecosystem Restoration for Development of a Wetland- a review." IOP Conference Series: Earth and Environmental Science 1135, no. 1 (2023): 012038. http://dx.doi.org/10.1088/1755-1315/1135/1/012038.

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Abstract Constructed wetlands are sustainable wastewater treatment technology and have been used to treat a variety of wastewaters for decades, including domestic and industrial wastewaters. They take advantage of many of the same processes that occur in natural wetlands but do so in a more controlled or engineered system. To date, surface flow and subsurface flow wetlands are the two main categories of constructed wetland applications. On the other hand, peat soil is the decomposed organic matter that have built up over thousands of years, with high moisture content. Peat soil management is i

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Meng and Dong. "LUCC and Ecosystem Service Value Assessment for Wetlands: A Case Study in Nansi Lake, China." Water 11, no. 8 (2019): 1597. http://dx.doi.org/10.3390/w11081597.

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Wetland is one of the most important ecosystems in the world. A healthy wetland ecosystem is important to the development of a regional and even global economy, and it is also beneficial to the human living conditions. In this paper, remote sensing (RS), landscape metrics were used to analyze the land use/land cover change (LUCC), landscape pattern change and the ecosystem services value (ESV) from 1987 to 2017 in Nansi Lake wetland of China. The results showed: 54.4% of the natural wetlands in Nansi Lake were replaced by constructed wetlands in the past 30 years, the ecosystem was degraded an

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Wu, C. Y., C. M. Kao, C. E. Lin, C. W. Chen, and Y. C. Lai. "Using a constructed wetland for non-point source pollution control and river water quality purification: a case study in Taiwan." Water Science and Technology 61, no. 10 (2010): 2549–55. http://dx.doi.org/10.2166/wst.2010.175.

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The Kaoping River Rail Bridge Constructed Wetland, which was commissioned in 2004, is one of the largest constructed wetlands in Taiwan. This multi-function wetland has been designed for the purposes of non-point source (NPS) pollutant removal, wastewater treatment, wildlife habitat, recreation, and education. The major influents of this wetland came from the local drainage trench containing domestic, agricultural, and industrial wastewaters, and effluents from the wastewater treatment plant of a paper mill. Based on the quarterly investigation results from 2007 to 2009, more than 96% of total

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Pradhanang, Soni M., Thomas Boving, and Ehren Meisinger. "Floating Wetlands System: A viable alternative for water pollutants remediation." MATEC Web of Conferences 280 (2019): 05001. http://dx.doi.org/10.1051/matecconf/201928005001.

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Constructed floating wetlands is viable alternative for the treatment of stormwater, combined stormwater-sewer overflow, sewage and water supply reservoirs, among others. The use of this technology also allows to enhance the habitat, and improve aesthetics to the treatment facility. In brief, the constructed floating wetlands island treatment mechanism is a combination of several components and physico-chemical processes that mimic natural bioremediation. Plant roots play a major role in treatment processes within constructed floating wetland island since the water passes directly through root

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Yeh, T. Y., and C. H. Wu. "Pollutant removal within hybrid constructed wetland systems in tropical regions." Water Science and Technology 59, no. 2 (2009): 233–40. http://dx.doi.org/10.2166/wst.2009.846.

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Hybrid constructed wetlands have received tremendous interests for water quality enhancement due to insufficient sewage treatment and groundwater deterioration in Taiwan. The main objectives of this study were to investigate pollutant removal efficiencies and mechanisms within field-scale hybrid natural purification systems. The studied hybrid constructed wetland systems include an oxidation pond, two serial surface flow wetlands with a cascade in between, and a subsurface flow wetland receiving secondary treated dormitory sewage. The average SS, BOD and COD percent removal efficiency was 86.7

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Kochi, Leticia Y., Patricia L. Freitas, Leila T. Maranho, Philippe Juneau, and Marcelo P. Gomes. "Aquatic Macrophytes in Constructed Wetlands: A Fight against Water Pollution." Sustainability 12, no. 21 (2020): 9202. http://dx.doi.org/10.3390/su12219202.

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There is growing concern among health institutions worldwide to supply clean water to their populations, especially to more vulnerable communities. Although sewage treatment systems can remove most contaminants, they are not efficient at removing certain substances that can be detected in significant quantities even after standard treatments. Considering the necessity of perfecting techniques that can remove waterborne contaminants, constructed wetland systems have emerged as an effective bioremediation solution for degrading and removing contaminants. In spite of their environmentally friendl

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Langergraber, Guenter. "Are constructed treatment wetlands sustainable sanitation solutions?" Water Science and Technology 67, no. 10 (2013): 2133–40. http://dx.doi.org/10.2166/wst.2013.122.

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The main objective of sanitation systems is to protect and promote human health by providing a clean environment and breaking the cycle of disease. In order to be sustainable, a sanitation system has to be not only economically viable, socially acceptable and technically and institutionally appropriate, but it should also protect the environment and the natural resources. ‘Resources-oriented sanitation’ describes the approach in which human excreta and water from households are recognized as resource made available for reuse. Nowadays, ‘resources-oriented sanitation’ is understood in the same

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Sun, Qiong, Xiaofang Wang, and Li Wang. "Ecological impact of watershed water pollution control on coastal tourist scenic spots." International Journal of Low-Carbon Technologies 15, no. 1 (2019): 84–88. http://dx.doi.org/10.1093/ijlct/ctz060.

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Abstract In recent years, the rapid development of coastal areas has polluted the watershed water, affecting the ecological environment of wetland scenic spots. This paper briefly introduced the constructed wetland, a means of watershed water pollution control, and briefly explained its mechanism of water pollution control. Then, an example of Yancheng Coastal Wetland Natural Reserve in Jiangsu Province was analyzed to analyze water quality ecological changes in the basin before and after the construction of constructed wetland. The results showed that the basin of the natural reserve changed

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