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Dissertations / Theses on the topic 'Algal blooms'

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1

Trinko, Tara Rae. "Bottom-Up and Top-Down Controls on Algal Bloom Frequency in Two Shallow Mesotrophic Lakes." Fogler Library, University of Maine, 2008. http://www.library.umaine.edu/theses/pdf/TrinkoTR2008.pdf.

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2

Lu, Songhui. "Ecological studies of phytoplankton and harmful algal blooms in Junk Bay, Hong Kong." Click to view the E-thesis via HKUTO, 2001. http://sunzi.lib.hku.hk/hkuto/record/B42576209.

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3

Lam, Hoi-yeung Ironside. "Marine microalgal dynamics at Crooked and Lamma Islands, Hong Kong." Click to view the E-thesis via HKUTO, 2002. http://sunzi.lib.hku.hk/hkuto/record/B43895323.

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4

Hardman, Ron C. "Harmful algal blooms in the Gulf of Mexico : brevetoxin degradation and derivation formation via photochemical processes /." Electronic version (PDF), 2003. http://dl.uncw.edu/etd/2002/hardmanr/ronhardman.pdf.

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5

Huang, Yan, and 黃艷. "Neural network modelling of coastal algal blooms." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2001. http://hub.hku.hk/bib/B43894872.

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6

Huang, Yan. "Neural network modelling of coastal algal blooms." Hong Kong : University of Hong Kong, 2001. http://sunzi.lib.hku.hk/hkuto/record.jsp?B25248510.

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7

Li, Shuo. "Interactions of Toxic Metals with Algal Toxins Derived from Harmful Algal Blooms." FIU Digital Commons, 2011. http://digitalcommons.fiu.edu/etd/478.

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The purposes of this study were to characterize the complexation of toxic metals with algal toxins and to determine the effects of arsenic and copper on the growth of Karenia brevis under specific experimental conditions. Microcystins, pahayokolides, brevetoxins and okadaic acid were used as representatives of algal toxins while arsenic, copper, cadmium, cobalt, iron, manganese and mercury were selected as typical toxic metals (including metalloids here) in the aquatic environment. The stabilities of the toxin-metal complexes were determined using equilibrium dialysis and/or centrifugal ultraf
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8

Bernard, Stewart. "The bio-optical detection of harmful algal blooms." Doctoral thesis, University of Cape Town, 2005. http://hdl.handle.net/11427/6461.

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Includes bibliographical references (p. 176-188).<br>An analytical framework for the simulation and quantitative interpretation of ocean colour data is presented, providing an inverse reflectance algorithm designed for the detection of harmful algal blooms. The adopted framework focuses on establishing quantitative relationships between optically important algal intracellular properties and inherent optical properties (IOPs), such as the absorption and backscattering coefficients, and the resultant effects on remote-sensing reflectance. A principal aim of the study is to establish the determin
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9

Schroeder, Adam. "Mitigating Harmful Algal Blooms using a Robot Swarm." University of Toledo / OhioLINK, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=toledo154444245336465.

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10

Lam, Hoi-yeung Ironside, and 林海揚. "Marine microalgal dynamics at Crooked and Lamma Islands, Hong Kong." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2002. http://hub.hku.hk/bib/B43895323.

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11

Pande, Nilesh Navalkishor. "Interactions between the toxic alga, Alexandrium fundyense, and its bacterial associates stimulation, inhibition, and specificity /." Restricted access (UM), 2008. http://libraries.maine.edu/gateway/oroauth.asp?file=orono/etheses/37803141.pdf.

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These (Ph.D.)--University of Massachuesetts Lowell, 2008.<br>Title from PDF title page. Available through UMI ProQuest Digital Dissertations. Includes bibliographical references (leaves 55-66). Also issued in print.
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12

McNamara, Shari J. "Using multispectral sensor WASP-LITE to analyze harmful algal blooms /." Online version of thesis, 2007. http://hdl.handle.net/1850/5856.

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13

Yang, Zhenbo, and 揚振波. "Harmful algal blooms in selected Hong Kong coastal waters." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2000. http://hub.hku.hk/bib/B31242583.

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14

Seeyave, Sophie. "Nitrogen nutrition of harmful algal blooms in upwelling systems." Thesis, University of Southampton, 2009. https://eprints.soton.ac.uk/145737/.

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Blooms of toxic, or otherwise harmful phytoplankton species are known to occur in eastern boundary upwelling systems, coincident with the relaxation of upwelling in late summer/autumn. Field studies were carried out in 3 consecutive summers (March/April 06-08) in the Benguela and in the autumn (Sept 06) and summer (June 07) in the Iberian upwelling system (Ría de Vigo), with the aim of identifying common nitrogen nutrition strategies of HAB species that may allow them to succeed in upwelling systems. Two summer field studies were also carried out in the Fal Estuary (UK) to identify possible di
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15

Yang, Zhenbo. "Harmful algal blooms in selected Hong Kong coastal waters." Hong Kong : University of Hong Kong, 2000. http://sunzi.lib.hku.hk/hkuto/record.jsp?B22534374.

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16

Cohen, Margaret A. "Estimating the growth rate of harmful algal blooms using a model averaged method." View electronic thesis (PDF), 2009. http://dl.uncw.edu/etd/2009-1/rp/cohenm/margaretcohen.pdf.

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17

Clouse, Melissa A. "Comparison of four clones of the ichthyotoxic flagellate Prymnesium /." Electronic version (PDF), 2005. http://dl.uncw.edu/etd/2005/clousem/melissaclouse.pdf.

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18

Graham, Sylvia Lynne. "Growth and grazing of microzooplankton in response to the harmful alga Heterosigma akashiwo in prey mixtures /." Online version, 2008. http://content.wwu.edu/cdm4/item_viewer.php?CISOROOT=/theses&CISOPTR=305&CISOBOX=1&REC=8.

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19

方燕珊 and Yin-shan Fong. "Harmful Algal Blooms (HABs) in coastal waters and their management." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2002. http://hub.hku.hk/bib/B3125519X.

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20

Wolf, David M. "Beyond Marginal Valuation: The Economic Impacts of Harmful Algal Blooms." The Ohio State University, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=osu1529492086337544.

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21

Albertin, Andrea Ruth. "Nutrient dynamics in Florida springs and relationships to algal blooms." [Gainesville, Fla.] : University of Florida, 2009. http://purl.fcla.edu/fcla/etd/UFE0024853.

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22

Fong, Yin-shan. "Harmful Algal Blooms (HABs) in coastal waters and their management /." Hong Kong : University of Hong Kong, 2002. http://sunzi.lib.hku.hk/hkuto/record.jsp?B25436247.

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23

Foy, R. H. "Phytoplankton growth in Lough Neagh." Thesis, Queen's University Belfast, 1992. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.333608.

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24

Danerie, Giovanni. "Primary production studies in the southern Bight of the North Sea with reference to Phaeocystis sp. and its adaption to varying photon flux densities." Thesis, University of Southampton, 1992. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.359246.

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25

Black, Edward Adam. "Differentiation of morphology and toxicity in harmful algal blooms caused by the raphidophyte alga Heterosigma akashiwo." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2000. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape2/PQDD_0019/NQ52753.pdf.

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26

Lu, Songhui, and 呂頌輝. "Ecological studies of phytoplankton and harmful algal blooms in Junk Bay, Hong Kong." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2001. http://hub.hku.hk/bib/B42576209.

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27

McNamee, Sara Ellen. "The early warning of toxic algal blooms using innovations in immunosensors." Thesis, Queen's University Belfast, 2014. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.675433.

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Many species of algae are beneficial to lakes and oceans, providing the basis of the food chain that supports the entire ecosystem. However, when they bloom in significant numbers and produce biotoxins, these events are termed harmful algal blooms (HABs). We are seeing an increase in the number of HABs, toxic algae species, new algal toxins being identified and huge economic losses from HABs than ever before. HABs and their problems can only be of increasing concern for the future. It is therefore paramount that we have early warning methods in place capable of detecting toxic algal blooms. Th
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28

Wolmarans, Karien. "The influence of nutrients on surf-zone phytoplankton." Thesis, Nelson Mandela Metropolitan University, 2012. http://hdl.handle.net/10948/d1008080.

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The variability in surf-zone phytoplankton community composition together with variability in nutrient concentrations was studied at seven beaches along the coast near Port Elizabeth, South Africa over a one-year sampling period. The nutrient requirements of selected diatoms and dinoflagellates that co-occur at these beaches were studied. The highest nutrient concentrations were recorded at Brighton beach, with phosphate concentration being substantially higher than standards set out for both South African and European waters. Nitrate, ammonium and silicate concentrations were consistent (low
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29

Handy, Sara Marie. "Investigations of the ecology of Delaware Inland Bay harmful algae utilizing quantitative real-time PCR." Access to citation, abstract and download form provided by ProQuest Information and Learning Company; downloadable PDF file, 152 p, 2007. http://proquest.umi.com/pqdweb?did=1362527691&sid=13&Fmt=2&clientId=8331&RQT=309&VName=PQD.

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30

Rynearson, Tatiana A. "Clonal diversity, population differentiation and bloom dynamics in the centric diatom, Ditylum brightwellii /." Thesis, Connect to this title online; UW restricted, 2003. http://hdl.handle.net/1773/10979.

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31

Dufresne, Laura C. "Destruction of algae-produced taste-and-odor compounds by chlorine, potassium permanganate, and chlorine dioxide." Thesis, This resource online, 1994. http://scholar.lib.vt.edu/theses/available/etd-11242009-020302/.

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32

Welts, Leslie. "The failure and future of policy instruments in managing harmful algal blooms." Thesis, McGill University, 2013. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=117202.

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Harmful algal blooms threaten waters across the globe. The blooms degrade water quality, are toxic to humans, and threaten the health and habitat of aquatic biota. The blooms thrive in water bodies with excessive quantities of nutrients and their presence is exacerbated by climate change-induced weather patterns. Agricultural runoff is responsible for a majority of the excess nutrients in Lake Champlain and Lake Erie, but there are simple land use practices agricultural producers can implement to significantly reduce the amount of runoff leaving their land. Despite the fact that there is sc
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33

Wang, Kai. "INTERACTIONS OF CYANOBACTERIA AND CO-OCCURRING MICROORGANISMS DURING CYANOBACTERIAL HARMFUL ALGAL BLOOMS." Kent State University / OhioLINK, 2021. http://rave.ohiolink.edu/etdc/view?acc_num=kent1619622253977384.

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34

Fortin, Samantha Grace. "Estuarine Microbiomes And Biogeochemistry: Impacts Of Spatiotemporal Variation, Algal Blooms, And Microplastics." W&M ScholarWorks, 2021. https://scholarworks.wm.edu/etd/1627407480.

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Estuaries are biogeochemical hotspots connecting terrestrial and coastal ecosystems. Anthropogenic disturbances, including increased nitrogen loading and plastic pollution, may have significant impacts on estuarine carbon and nitrogen cycling by altering microbiome structure and functions. The overarching goal of this dissertation was to examine how microbiomes and their associated biogeochemical processes are influenced by natural variation and anthropogenic disturbances in the York River Estuary (YRE). In chapter 2, spatial and temporal variation in benthic microbiomes and the rates of denit
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35

Wood, Joseph. "Causes and Consequences of Algal Blooms in the Tidal Fresh James River." VCU Scholars Compass, 2014. http://scholarscompass.vcu.edu/etd/3429.

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This dissertation includes 3 chapters which focus on algal bloom of the tidal fresh James River. The first chapter describes nutrient and light limitation assays performed on algal cultures and draw conclusions about long-term patterns in nutrient limitation by comparing results with a previous study . This chapter also describes the influence of riverine discharge upon nutrient limitation in a point-source dominated estuary. This chapter was published in Estuaries and Coasts (Wood and Bukaveckas 2014). The second chapter presents the first comprehensive assessment of the occurrence o
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36

Qin, Qubin. "Impacts of Physical Transport on Estuarine Phytoplankton Dynamics and Harmful Algal Blooms." W&M ScholarWorks, 2019. https://scholarworks.wm.edu/etd/1550153910.

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The spatial and temporal variability of phytoplankton biomass in estuaries is determined by both local processes and transport processes. Local processes include biological processes (e.g., photosynthesis, respiration/excretion, and grazing) and settling, whereas transport processes include advective and diffusive transports. Transport processes have been demonstrated to regulate phytoplankton dynamics significantly by distributing both phytoplankton and other dissolved and particulate substances (e.g., nutrients, salts, sediments, and chromophoric dissolved organic matter). Yet, these transpo
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37

Nielsen, Eric J. "Algal suscession and nutrient dynamics in Elephant Butte Reservoir /." Diss., CLICK HERE for online access, 2005. http://contentdm.lib.byu.edu/ETD/image/etd741.pdf.

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38

Armstrong, Howard Meredith Dana Armstrong Howard Meredith Dana. "Harmful algal blooms on the U.S. west coast : new insights into domoic acid production and identification of yessotoxin, a new marine toxin detected in California coastal waters /." Digital Dissertations Database. Restricted to UC campuses, 2007. http://uclibs.org/PID/11984.

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39

Chu, Wai-yan Cherry. "Effect of submarine groundwater discharge on coastal ecology /." View the Table of Contents & Abstract, 2006. http://sunzi.lib.hku.hk/hkuto/record/B36616734.

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40

Lee, Seung Hwan. "Phosphorus removal mechanisms in soil and slag media." University of Technology, Sydney. Faculty of Engineering, 1995. http://hdl.handle.net/2100/356.

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Excessive phosphorus (P) is one of the major pollutants in natural water that are responsible for algal blooms and eutrophication. P removal by soil and slag is an attractive solution if the P sorption capacity of soil or slag is significant. To design an efficient land treatment facility, basic information on the behaviour of P in the media-water environment is required. In this study, detailed experiments were conducted to study P removal under static and dynamic conditions, and mathematical models were developed to describe these processes. The kinetic studies on P sorption onto a sandy loa
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41

Demir, Elif. "Application of traditional and molecular methods to taxonomy, ecology and ecophysiology of raphidophytes and a novel genus." Access to citation, abstract and download form provided by ProQuest Information and Learning Company; downloadable PDF file, 190 p, 2007. http://proquest.umi.com/pqdweb?did=1397900411&sid=5&Fmt=2&clientId=8331&RQT=309&VName=PQD.

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42

Joyce, Linda Britt. "An investigation into the occurrences of harmful algal blooms in Scapa Flow, Orkney." Thesis, Heriot-Watt University, 2001. http://hdl.handle.net/10399/1137.

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43

Hegaret, Hélène. "Impacts of Harmful Algal Blooms on physiological and cellular processes of bivalve molluscs." Rennes, Agrocampus Ouest, 2007. http://www.theses.fr/2007NSARH071.

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Hurmful algal blooms (HABs) are increasingly recognized as having profound effects upon economics of fisheries and aquaculture. Further, HABs are included in a list of concerns about changes in marine ecosystems that increase impacts of diseases and parasites on important resource species and the food webs that support them. This research assessed the interactions between HABs and bivalve molluscs. A number of specific HAB-bivalve interactions were studied, measuring fundamental physiological processes such as clearance and filtration rates of bivalves when exposed to pure cultures of HAB spec
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44

Wu, X. "The effects of ultrasonic treatment on cyanobacteria in surface waters." Thesis, Coventry University, 2010. http://curve.coventry.ac.uk/open/items/d0d31d7e-fe64-436a-88b3-24c2b4656eba/1.

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The effect of power ultrasound on algae blooms (Microcystis aeruginosa) over a 30 minute period was assessed using 200 and 400 mL suspensions of optical density of 2.0 at 680 nm. The frequencies employed were 20, 40, 580 (40%, 80%, and maximum intensity), 864 (40%, 80% and maximum intensity) and 1146 kHz (40%, 80% and maximum intensity). Ultrasound can induce two different effects on algal cells; inactivation at high power (≥ 0.0022 Wcm-3) and de-agglomeration at low power (≤ 0.0042 Wcm-3). Ultrasonic effects were observed using haemocytometer, optical density, UV-visible spectrometer, fluoros
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Dong, Yahong, and 董雅红. "Analysis of stratification and algal bloom risk in Mirs Bay." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2010. http://hub.hku.hk/bib/B46087618.

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46

Smith, Jennifer E. "Factors influencing algal blooms on tropical reefs with an emphasis on herbivory, nutrients and invasive species." Thesis, University of Hawaii at Manoa, 2003. http://proquest.umi.com/pqdweb?index=0&did=765084721&SrchMode=1&sid=2&Fmt=2&VInst=PROD&VType=PQD&RQT=309&VName=PQD&TS=1233266647&clientId=23440.

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47

Wong, Tse-man Ken, and 黃子文. "Red tides and algal blooms in subtropical Hong Kong waters: field observations and Lagrangianmodeling." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2004. http://hub.hku.hk/bib/B45015090.

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48

Schaefer, Robert T. "Evaluating the Influences of Karst Hydrogeology on Freshwater Harmful Algal Blooms in Kentucky Lakes." TopSCHOLAR®, 2016. http://digitalcommons.wku.edu/theses/1619.

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A problem exists in Nolin River Lake and Rough River Lake in Kentucky, due to the increasing prevalence of cyanobacterial-based harmful algal blooms (CyanoHABs) and the threats they pose to local communities. These lakes were developed as artificial reservoirs from embankment. Further complicating the issue, the lakes are located within a heavily karstified region and there exists no plan or method currently for monitoring or managing CyanoHABs in a karst region with regard to groundwater inputs to the lake systems or their tributaries. A mixture of techniques and analysis methods was used to
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49

Kenne, Gabriel Jacob. "Application of Fourier-transform infrared technology to the classification of harmful algal blooms (HABS)." Thesis, Kansas State University, 2013. http://hdl.handle.net/2097/16188.

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Master of Public Health<br>Department of Diagnostic Medicine/Pathobiology<br>Deon Van der Merwe<br>Cyanobacteria are Gram-negative photosynthetic bacteria capable of producing toxins responsible for morbidity and mortality in humans and domestic animals. Many are capable of forming concentrated blooms that impact the environment by limiting the growth of sub-surface plants and phytoplankton. Harmful algal blooms (HABs) are also capable of producing multiple types of toxins, creating a potential hazard to recreational water users and animals drinking water from or near a bloom. Characterization
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50

Reinoso, Nicholas L. "Forecasting Harmful Algal Blooms for Western Lake Erie using Data Driven Machine Learning Techniques." Cleveland State University / OhioLINK, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=csu1494343783463819.

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