Дисертації з теми "Heterogeneity in phytoplankton stoichiometry"
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Duckworth, Robyn M. "An Examination of the Cellular Partitioning of Phosphorus in Freshwater Phytoplankton." Bowling Green State University / OhioLINK, 2009. http://rave.ohiolink.edu/etdc/view?acc_num=bgsu1256929878.
Повний текст джерелаMeyer, Judith [Verfasser]. "Changes in nutrient stoichiometry : phytoplankton & organic matter dynamics in coastal upwelling systems / Judith Meyer." Kiel : Universitätsbibliothek Kiel, 2016. http://d-nb.info/1111558612/34.
Повний текст джерелаGöthlich, Lena [Verfasser]. "Impacts of variable versus fixed phytoplankton stoichiometry on the dynamics of biogeochemical models / Lena Göthlich." Kiel : Universitätsbibliothek Kiel, 2012. http://d-nb.info/1029083843/34.
Повний текст джерелаBurren, Claire Louise. "A numerical modelling investigation of the impact of mesoscale heterogeneity on oceanic primary productivity." Thesis, University of Southampton, 1993. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.239965.
Повний текст джерелаMurasko, Susan Mary. "Particulate carbon, nitrogen and phosphorus stoichiometry of south west Florida waters." [Tampa, Fla] : University of South Florida, 2009. http://purl.fcla.edu/usf/dc/et/SFE0003036.
Повний текст джерелаDickman, Elizabeth M. "LIGHT, NUTRIENTS, AND PLANKTIVORY EFFECTS ON PHYTOPLANKTON COMMUNITY AND STOICHIOMETRIC RESPONSE, AND FOOD CHAIN EFFICIENCY." Miami University / OhioLINK, 2007. http://rave.ohiolink.edu/etdc/view?acc_num=miami1186061847.
Повний текст джерелаRock, Amber Marie. "Carnivore identity and nutrient supply ratio constraints on carryover effects and food chain efficiency." Miami University / OhioLINK, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=miami1511372386895159.
Повний текст джерелаHall, Mia Rachael. "THE EFFECTS OF LIGHT AND NUTRIENTS ON FOOD CHAIN EFFICIENCY IN THREE-LEVEL FOOD CHAINS WITH BLUEGILL." Miami University / OhioLINK, 2012. http://rave.ohiolink.edu/etdc/view?acc_num=miami1344018242.
Повний текст джерелаNaddafi, Rahmat. "The Invasion of the Zebra Mussel - Effects on Phytoplankton Community Structure and Ecosystem Function." Doctoral thesis, Uppsala : Acta Universitatis Upsaliensis Acta Universitatis Upsaliensis, 2007. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-8301.
Повний текст джерелаBobson, Jennifer. "LIGHT, NUTRIENT, AND PLANKTIVORY EFFECTS ON ZOOPLANKTON COMMUNITIES AND FOOD CHAIN EFFICIENCY." Miami University / OhioLINK, 2007. http://rave.ohiolink.edu/etdc/view?acc_num=miami1196177192.
Повний текст джерелаMatta, Angela Lucia Pantoja. "Dinâmica do plâncton no reservatório Paiva Castro: Heterogeneidade espacial e temporal (Sistema Cantareira-SP)." Universidade de São Paulo, 2016. http://www.teses.usp.br/teses/disponiveis/41/41134/tde-01122016-162635/.
Повний текст джерелаThe Paiva Castro reservoir is the last reservoir of a series of five dams in cascade, which form the Cantareira System, one of the main water supply systems in the Greater São Paulo. Its biomonitoring is an important tool to understand the reservoir ecological status, as well as to evaluate situations that are causing changes in the water quality and quantity. In the present study, based on physical and chemical water characteristics and on phytoplankton and zooplankton ecological attributes it was found the existence of compartmentalization (horizontal spatial heterogeneity) and temporal heterogeneity in Paiva Castro reservoir. Two samplings were performed, one during the dry season (May and June) and the other one in the rainy season (November and December) on 2014. The year 2014 was a period of atypical drought, which triggered the problem of water crisis affecting the reservoirs dynamics on the Metropolitan Region of São Paulo. The samples were collected at 9 points along Paiva Castro reservoir. Were analysed the variables: temperature, pH, conductivity and dissolved oxygen were measured in situ with multiparameter probe and nutrients, suspended matter and pigments on the laboratory. Plankton samples were collected in the photic zone with the mouth of the network in the depth of the photic zone; Reservoir was classified as oligotrophic during dry and mesotrophic on the rainy season; however, the physical and chemical parameters were in accordance with CONAMA 357. Two compartments were identified through the analysis of limnological variables (depth, total suspended solids and nutrients) and the planktonica communities whose density and biovolume / biomass for phytoplankton and zooplankton increased upstream-downstream direction: the zone affected by the river input Juqueri and b) the transition zone integrating the channel and compartments dam. Chemical and physical characteristics rather than the planktonic communities further evidenced the temporal heterogeneity. Regarding the phytoplankton, the Bacillariophyceae and Chlorophyceae showed the highest density, Cryptophyceae and Dinophyceae the largest biovolume. The Choricystis minor species Cylindrospermopsis c.f. raciborskii and Peridinium umbonatum were species with the highest density and Cryptomonas c.f. erosa and Peridinium umbonatum were the species with the largest biovolume. The availability of nutrients (nitrogen and phosphorus) and suspended matter concentrations in the water column were probably the variables that most influence the density and biovolume of the phytoplankton community. For the zooplankton, the largest richness was recorded in the dry season, however, that the highest density and zooplankton biomass were recorded during the rainy season. Rotifers had the largest richness and density, but were under represented in biomass. Cladocerans had the highest biomass in the rainy season, but the copepods represented by young forms (copepod nauplii and copepodites), had the greatest biomass in the dry season, and the cladocerans the representative group of this attribute. The rotifer Kellicottia bostoniensis was representative specie of the zooplankton density and biomass. Conochilus unicornis, Gastropus hyptopus, Asplachna priodonta, Bosminopsis deitersi, Bosmina hagmanni were the species with the highest density and biomass. The suspended material concentrations in the water column, the food availability (chlorophyll a) and the residence time were probably the variables that influence the zooplankton community structure. According to the results, the Paiva Castro reservoir is compartmentalized and influenced by the characteristics and events that happen in the upstream reservoirs
Deininger, Anne. "Effects of inorganic nitrogen and organic carbon on pelagic food webs in boreal lakes." Doctoral thesis, Umeå universitet, Institutionen för ekologi, miljö och geovetenskap, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-130340.
Повний текст джерелаChan, Wai Sum. "Spatial and temporal features of hydrodynamics and biogeochemistry in Myponga Reservoir, South Australia." Thesis, 2011. http://hdl.handle.net/2440/76100.
Повний текст джерелаThesis (Ph.D.) -- University of Adelaide, School of Earth and Environmental Sciences, 2011
Perhar, Gurbir. "Modelling the Effects of Seston Food Quality on Zooplankton Growth: Implications for Broader food Web Dynamics." Thesis, 2012. http://hdl.handle.net/1807/34843.
Повний текст джерелаRYCHTECKÝ, Pavel. "Prostorová heterogenita a sezónní vývoj fytoplanktonu v podélném profilu vodní nádrže Římov." Master's thesis, 2009. http://www.nusl.cz/ntk/nusl-51351.
Повний текст джерелаPusztai, Martin. "Úloha mikrobiotopů v časo-prostorové diferenciaci společenstev fytoplanktonních bičíkovců." Master's thesis, 2014. http://www.nusl.cz/ntk/nusl-337671.
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