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Showing 1 to 20 of 942 for “"wetland"”.
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Community management of wetland ecology and socio-economic costs of wetland degradation in mudaswali Wetland, Limpopo Province, South Africa
Wetlands are one of the most degraded ecosystems on the earth's surface. In South Africa, loss and degradation of wetland ecosystems have occurred particularly through a variety of human activities. This loss of value of wetlands have impacts on functions such as water purification, flood control, …
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Wetland Condition Matters: Amphibian Richness and Abundance Change Across Wetland Condition Gradient
… century, Kentucky has lost more than 80% of its wetlands, and because state-wide monitoring was historically minimal, this number is likely underestimated. The Kentucky Division of Water, with Eastern Kentucky University and a technical working group, developed a rapid wetland assessment method …
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Novel water-use strategies of Colorado wetland plants: implications for wetland water loss
In the arid west, there is a tension between wetland restoration and water rights. Wetlands, relied upon by humans and wildlife alike, also contribute significantly to evapotranspiration (ET) due to higher water tables and dense vegetation. It is therefore critical to understand how much water …
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Enhancing livelihood and community diversity through wetland- approach to living with the wetland
Numerous scholars studying urban informal settlements unanimously acknowledge the interconnected challenges these settlements face, encompassing health issues, hazardous natural surroundings, accidental human-induced fires, deficient public health infrastructure, limited social and shared spaces, …
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Ice age wetland biogeochemistry: The influence of carbon dioxide starvation on wetland methane emissions
… of CH<sub>4</sub> change over time. Natural wetlands were the single largest contributor of CH<sub>4</sub> to the atmosphere in glacial times, yet models used to estimate their behaviour and CH<sub>4</sub> flux are largely based around relationships derived under modem day conditions. This …
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Providing Connections: A Wetland Boardwalk
… plans to add a boardwalk route through the wetland site adjacent to their building to provide an outdoor learning area for wetland education. This report is the culmination of my on-site inventory, research, process and design proposal for this boardwalk route that combine to fulfill my …
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Numerical modeling of wetland hydrodynamics
Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Civil and Environmental Engineering, 1999.
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Groundwater and Tidal Controls on Wetland Hydrology, Julie J. Metz Wetland Mitigation Bank, Woodbridge, Virginia
<p>Julie J. Metz Wetlands Mitigation Bank, a 92-hectare freshwater wetland located in Woodbridge, Virginia, borders the tidally-influenced Neabsco Creek. Seven pods separated by earthen berms were built by Wetland Studies and Solutions Inc. (WSSI) in 1995 and 1997 by removing the toe of small sandy …
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A new wetland assessment tool for Illinois and climate-based wetland prioritization for the Midwest
Submission published under a 24 month embargo labeled 'U of I Access', the embargo will last until 2026-08-01
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Evaluation of a Water Budget Model for Created Wetland Design and Comparative Natural Wetland Hydroperiods
Wetland impacts in the Mid-Atlantic USA are frequently mitigated via wetland creation in former uplands. Regulatory approval requires a site-specific water budget that predicts the annual water level regime (hydroperiod). However, many studies of created wetlands indicate that post-construction …
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Changes in Wetland Conditions and Wetland Plant Communities in the Prairie Pothole Region After 50 Years
<p>Wetlands in Stutsman County, North Dakota were revisited after 50 years to assess changes in wetland conditions and plant communities within wetland zones in the Prairie Pothole Region. In 1961-1966, Robert E. Stewart and Harold A. Kantrud conducted a study to investigate the relationship of …
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Geotechnical investigation of Montrose wetland site
… to aid in the creation of a proposed engineered wetland at Montrose, West Virginia. The tests performed in the laboratory to obtain the soil properties were: water content, Atterberg limits (liquid and plastic limits), grain size (sieve analysis and hydrometer), specific gravity, field density, …
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Sodium Transfer in Biofiltration Wetland Sediments
The model generally predicted the sediment sodium concentration consistent with the sodium measured in seasonal sediment samples. The model was especially sensitive to changes in sodium concentrations in the overlying water and was also sensitive to changes in both the sediment porosity and clay …
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Wetland suitability for waterbirds in Illinois
Submission original under an indefinite embargo labeled 'Open Access'. The submission was exported from vireo on 2019-02-05 without embargo terms
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Flow and transport in wetland deposits
… that control flow and transport through wetland deposits. Therefore, the objective of this research was to investigate the factors that influenced flow in wetland soils. To accomplish this, Column Experiments, run on a specialized permeameter, were conducted on both re-sedimented and …
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Assessing the Effect of Wetland Connectivity on In-Stream Nitrate Concentrations Using an Integrated Wetland-River Network
… from waterbodies through denitrification with wetlands being the most effective due to their long residence time. Wetland restoration has the potential to remove nitrate from small portions of the landscape. The question is how to place wetlands to most effectively remove nitrate across a …
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Using state-space time series analysis on wetland bird species to formulate effective bioindicators in the Barberspan wetland
… is a dataset containing waterbird counts from wetlands across South Africa, going as far back as 1970. These data contain valuable information on population sizes and their trends over time. This information could be used more widely if it was more easily accessible to users. The aim of this …
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Assessment of Wetland Mitigation in South Dakota
Wetland mitigation is the practice of avoiding, minimizing or compensating for wetland functions and values lost through human impacts (e.g., filling). Regulated by the Army Corps of Engineers (Corps) and the Environmental Protection Agency through Section 404 of the Clean Water Act, wetland …
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