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dc.contributor.advisorOtero-Morales, Ernesto
dc.contributor.authorRojas-Ortega, Edgard G.
dc.date.accessioned2018-12-04T17:05:51Z
dc.date.available2018-12-04T17:05:51Z
dc.date.issued2008
dc.identifier.urihttps://hdl.handle.net/20.500.11801/1580
dc.description.abstractThe temporal and spatial variability of bacterial abundance (BA), production (BP) and respiration (BR) was compared to phytoplankton biomass, salinity, temperature, turbidity, and fluorescence of dissolved organic matter was examined during pluviosity extremes in La Parguera and Guánica Bay. A Fiber Optic Oxygen System (FOXY; Ocean Optics), was used to estimate bacterial respiration,a novel application in aquatic systems. Estimates of BA, BR, BP and growth efficiency were 0.27 - 7.82 x 106 cells/ml, 160 - 2,264 μg O2/l/d, 1.0 - 39.6 μg C/l/d and 1 - 14% in Guánica while 0.16 -1.24 x 106 cells/ml, 292 - 1,945 μg O2/l/d, 0.3 - 33.2 μg C/l/d and 0.2 - 5% in La Parguera. The presence of significant microbial metabolic gradients especially during periods of increased precipitation underscores the importance of studies that examine the relation of microbial components with environmental cues in tropical systems sustaining important resources.en_US
dc.description.abstractSe comparó la variabilidad temporal y espacial de la abundancia (AB), producción (PB) y respiración bacteriana (RB) con la biomasa fitoplanctónica, salinidad, temperatura, turbidez y fluorescencia de la materia orgánica disuelta, durante extrema pluviosidad en La Parguera y la bahía de Guánica. El instrumento “Fiber Optic Oxygen System” (FOXY; Ocean Optics) fue usado para estimar la respiración bacteriana, siendo una aplicación innovadora en sistemas acuáticos. Los estimados de AB, RB, PB y eficiencia de crecimiento en Guánica fueron 0.27 - 7.82 x 106 cells/ml, 160 - 2,264 μg O2/l/d, 1.0 - 39.6 μg C/l/d y 1 - 14%, y en La Parguera fueron 0.16 -1.24 x 106 cells/ml, 292 - 1,945 μg O2/l/d, 0.3 - 33.2 μg C/l/d y 0.2 - 5%. Se observó la presencia de un gradiente metabólico bacteriano, especialmente durante el periodo de lluvias, resaltando la importancia de este estudio el cual examina la relación de los componentes microbianos con cambios ambientales en sistemas tropicales.en_US
dc.description.sponsorshipProyecto CRESen_US
dc.language.isoesen_US
dc.subjectMarine phytoplankton – Bacteria presence - Marine dissolved organic matter - Guánica Bay (P.R.)en_US
dc.subjectMarine phytoplankton – Bacteria presence - Seawater - Organic compound content - Reserva Natural de La Parguera (P.R.)en_US
dc.subject.lcshBacterial growth--Puerto Rico--Lajas.en_US
dc.subject.lcshCoastal ecology--Puerto Rico--Lajas.en_US
dc.titleCrecimiento bacteriano en el área de la Parguera: Respuesta a factores climáticos y al flujo de agua proveniente del área de Guánicaen_US
dc.typeThesisen_US
dc.rights.licenseAll rights reserveden_US
dc.rights.holder(c) 2008 Edgard Giovanny Rojas Ortegaen_US
dc.contributor.committeeCorredor, Jorge E.
dc.contributor.committeeMacchiavelli, Raúl E.
dc.contributor.committeeAponte, Nilda E.
dc.contributor.representativeCruz, Astrid J.
thesis.degree.levelM.S.en_US
thesis.degree.disciplineMarine Sciencesen_US
dc.contributor.collegeCollege of Arts and Sciences - Sciencesen_US
dc.contributor.departmentDepartment of Marine Sciencesen_US
dc.description.graduationSemesterSpringen_US
dc.description.graduationYear2008en_US


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