Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 12 of 12 for “"Community Respiration"”.
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Factors Influencing the Spatial and Temporal Distrubtion of Primary Productivity and Community Respiration in the Mississippi Coastal Estuarine Region
… of net primary productivity (NetPP) and respiration (RESP) in relation to the biogeochemical, optical, and hydrographic variability in the Mississippi Sound and Mississippi Bight over the course of one year. Surface in-situ measurements of NetPP and RESP were regularly determined at two …
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The Role of Autochothnous Production in the Formation of Dissolved and Particulate Organics in Laboratory Streams
… between DOC and FPOC production and community structure, primary production, and community respiration were examined. The production of DOC by laboratory stream communities was approximately 4 to 53 percent of the total carbon fixed in photosynthesis. As light intensity, gross primary …
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An Organic Energy Budget for the New York State Barge Canal
… than 0.1% of the energy output is lost through community respiration. The New York State Barge Canal is a strongly heterotrophic system in which ecosystem efficiency and flow~through energy (0.1% and 99.9%, respectively} indicate the canal makes very little use of the energy supplied to it.
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Assessing Respiration Rates and Nutrient Dynamics of Aritifical Reef Biofilms and Bacterioplankton in the Mississippi Sound
… and in its absence to examine bacterial growth, community respiration, and nutrient dynamics at four artificial reef habitats in the Mississippi Sound. Biofilm samples were also collected from settlement plates deployed at each site and were analyzed for 813C and 81sN stable isotope content. …
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Development and application of a three-dimensional water quality model in a partially-mixed estuary, Southampton Water, UK
… be modelled. Monthly surveys of DO, planktonic community respiration rates and other water quality parameters (temperature, salinity, chlorophyll, suspended particulate matter, inorganic nutrients etc.) in the Itchen Estuary and Southampton Water were conducted from January 1998 to April 1999. …
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Winter Limnological Conditions in a PRAIRIE Pothole and the Application of Molecular Oxygen
… 0.95 mg/L to 59 mg/L was caused by increased respiration not counterbalanced by photosynthesis Community respiration measured by the diel oxygen method (community metabolism) varied from 1.4 mg O2/L/24 hrs 1-2 December, 1977, to a low (0.2 mg O2/L/24 hrs) 11-12 January, 1978. Water biochemical …
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Energy Flow in a Floodplain Aquifer Ecosystem
… to identify energy sources for the invertebrate community of a large 20 km2 floodplain aquifer, based on biomass distributions, organismal respirometry, in situ community respiration, mesocosm and microcosm experiments, stable isotopes and invertebrate gut contents. The invertebrate respiration …
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Energy Flow in a Floodplain Aquifer Ecosystem
… to identify energy sources for the invertebrate community of a large 20 km2 floodplain aquifer, based on biomass distributions, organismal respirometry, in situ community respiration, mesocosm and microcosm experiments, stable isotopes and invertebrate gut contents. The invertebrate respiration …
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An Ecological Comparison Between Resource Subsidies: Pacific Lamprey (<i>Entosphenus tridentatus</i>) and Pacific Salmon (<i>Oncorhynchus</i> spp.)
… as the autotrophic food web response and community respiration (CR) as the heterotrophic food web response. Chlorophyll <em>a</em> responded equally to lamprey and salmon but was significantly higher in the summer. Alternatively, CR had a higher response to salmon compared to lamprey and …
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Latitudinal variation in plankton size spectra along the Atlantic Ocean
… distributions of organisms within a community reflect fundamental properties underlying population dynamics. These include characteristics such as predator to prey biomass ratios, given the relationships that exist between body mass and metabolic activity, and between body mass and …
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Carbon metabolism and dissolved organic carbon (DOC) fluxes on seagrass communities: insights from plant colonization states, eutrophication and global change related factors
… disturbances on the carbon dynamics of the community. The results of this Thesis showed that macrophytic communities are highly autotrophic, with large and variable contributions of their different components of the community, and a DOC source for the plankton community. Increase in …
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Limonology of Shadehill Reservoir, SD and Food Habit of Analysis of its Walleye Fishery
… however, were possible and showed that community respiration exceeded algal photosynthetic production at both main reservoir stations during August, 1994 and at the west station during April and May, 1995. Thirteen zooplankton species were identified from 78 zooplankton samples collected …