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Showing 1 to 16 of 16 for “"Freshwater wetlands"”.
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Bird Use of Cumberland Island's Freshwater Wetlands
… barrier island off the coast of Georgia. Its freshwater wetlands are an important, rare habitat to have on a barrier island surrounded by saltmarsh and ocean. Many species of birds require freshwater wetlands as feeding, roosting and nesting grounds. However, the freshwater wetlands on …
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QUANTIFYING EFFECTS OF SEASONAL INUNDATION ON METHANE FLUXES FROM FORESTED FRESHWATER WETLANDS
… factors control methane emissions in wetlands. Hydrology is one of the most important factors controlling methane production wetlands along with temperature and vegetation, however it is unclear how to relate aspects of a wetland’s hydrologic regime to the timing, magnitude, and …
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Influence of plant species, location, and seasonality on rhizosphere bacterial communities in freshwater wetlands
… understanding of plant-microbe interactions in wetlands. Thus, the purpose of my research was to determine the influence of plant species on rhizosphere microbial communities from different freshwater wetlands. The spatial variability, associated with different wetland sites, of rhizosphere …
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Microbial community assembly and hydrologic variability as controls on potential denitrification rates in restored freshwater wetlands
Made available in DSpace on 2018-09-27T16:30:16Z (GMT). No. of bitstreams: 3 COHEN-DISSERTATION-2018.pdf: 16901181 bytes, checksum: 054fea42926998dd176783c0ceada556 (MD5) LICENSE.txt: 4207 bytes, checksum: cf01f0a3e7002722d46489a4ebca992a (MD5) PROQUEST_LICENSE.txt: 4553 bytes, checksum: …
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Influence of vegetation on sediment bacterial community structure, microbial enzyme activities and phosphorus retention in constructed freshwater wetlands
… pollutants causing eutrophication. Constructed wetlands are used as a best management practice for sequestration of nutrients from agricultural runoff. This dissertation focuses on the influence of vegetation on bacterial community structure, microbial enzyme activities, and phosphorus retention …
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The effects of hydrology and vegetation on microbial community structure and soil function in the sediments of freshwater wetlands
… (Wet, Intermediate, and Dry) within a non-tidal freshwater wetland along the James River (Charles City County, Virginia). Inside each main plot, ten subplots were cleared of all aboveground plant material; five plots were left to re-grow (“Vegetated” reference), while the remaining five were …
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Assessing the Effectiveness of Louisiana's Freshwater Diversion Projects Using Remote Sensing
… Louisiana is experiencing a dramatic loss of freshwater wetlands as a result of natural and man-made changes in the landscape. Multitempral remotely sensed data were used to examine the impact of the Caernarvon Freshwater Diversion Structure, built in 1991 to divert water to Breton Sound. …
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Effect of invasive phragmites australis and its control on microbial community composition in a freshwater wetland
<p>Wetlands support great species diversity and perform important ecosystem services like carbon and nutrient cycling, largely facilitated by microorganisms. Invasive plants, like Phragmites australis, reduce biodiversity and alter ecosystem services. I hypothesized that changes in soil bacterial …
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Effects of Landscape Age and Salinity on Plant Community Composition and Productivity in Opportunistic and Constructed Wetlands in the Athabasca Oil Sands Region, Alberta
Wetlands comprise 65% of the Athabasca Oil Sands Region (AOSR) surface mineable area and thus support diverse flora (approximately 400 species in Alberta). Due to increased anthropogenic land disturbance activities such as bitumen extraction, reclamation of surface mineable areas will also …
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Four-Toed Salamander (hemidactylium Scutatum) Nest Site Characteristics In Natural And Constructed Wetlands In Eastern Kentucky
<p>Forested freshwater wetlands have undergone loss and alteration more than other types of wetlands. Wetland creation has slowed wetland losses, but many created wetlands do not functionally replace natural wetlands. Plant and animal communities and wetland drying cycles often differ between …
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Cities in the Everglades : the implications of compact urban development for regional water storage in Palm Beach County
… a unique ecosystem containing the largest freshwater wetlands in the United States. Resolving the competition for water between growing urban populations, the agriculture sector, and the plants and animals of the Everglades is one of the fundamental challenges of Everglades restoration. …
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The combined effects of salinity and sulfide on the growth and physiology of the freshwater marsh plant Pancium hemitomon J.A. Schultes
… response to saltwater intrusion into coastal freshwater wetlands is governed by the combined effects of increased salinity and porewater sulfide concentrations. I conducted a series of experiments to address the primary hypothesis that growth of Panicum hemitomon is adversely affected by an …
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Determining the Status and Distribution of the Eastern Black Rail (Laterallus jamaicensis) in Coastal Texas
… bird that inhabits coastal high marshes and freshwater wetlands throughout the Americas and is a species of conservation concern. In Texas, winter migrant and breeding populations of the eastern black rail (L. j. jamaicensis) are known to occur in disjunct wetlands along the Gulf Coast. Black …
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The ecology of community environmental groups: Integrating restoration, partnerships and citizen science
… habitat loss continue, and the quality of freshwater declines. But in recent years, a grassroots, nationwide network of community environmental groups has been expanding its contribution to restoring, protecting and enhancing these terrestrial and aquatic habitats. At the same time, …
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Tidal Wetland Inundation and Vegetation Phenology from Space: A Synthesis of Approaches for Characterizing Ecological Status and Inundation Dynamics in Tidal Wetlands with Remote Sensing Observations
… of various forms of satellite imagery for wetlands studies in general. In this chapter, Chesapeake and Delaware Bay tidal marshes were mapped with producer’s accuracy greater than 88% and user’s accuracy greater than 83% using a random forest classification. A second classification effort …
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Vegetation dynamics in a semi-arid freshwater wetland: a measure for restoration success
… by human anthropogenic activities, which affect wetlands’ vegetation development and their ability to offer ecosystem services. The need to understand vegetations’ natural regeneration, in previously degraded wetlands of semi-arid regions is essential to measure restoration success. Nylsvley …