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dc.contributor.advisorChinea-Rivera, Jesús D.
dc.contributor.authorColón-Ruiz, Janesse S.
dc.date.accessioned2018-02-27T19:52:56Z
dc.date.available2018-02-27T19:52:56Z
dc.date.issued2012
dc.identifier.urihttps://hdl.handle.net/20.500.11801/269
dc.description.abstractStudies focused on the distribution of understory species associated with mangrove forests are very scarce. This research provides a detailed description of the understory community and their environmental requirements at a basin mangrove forest and an abandoned coconut plantation at the western edge of Joyuda Lagoon. A non-systematic survey, a 70-plot sample and a 40-plot sample were conducted. Understory and tree seedling percent cover were measured at the 70-plot sample. Tree canopy cover above the sampling site, pH, electrical conductivity, soil water content and total transmittance were measured at the 40-plot sample. Elevation was measured along the transects of the systematic survey. Species composition between the coconut plantation and the mangrove forest differed significantly. The environmental variables shown to be most significant and define understory species distribution were electrical conductivity, elevation and total transmittance. Mangrove dominated plots in contrast to the coconut plots were characterized by lower elevations, high salinity and light availability. These results suggest that if sea-level continues to increase mangrove forests and their associated understory will expand inland into the coconut plantation.
dc.description.abstractLos estudios enfocados en la distribución de especies de sotobosques asociadas a manglares son escasos. Este estudio provee una descripción detallada de la comunidad de sotobosque y sus requisitos ambientales en un bosque de manglar de cuenca y una plantación de coco abandonada al borde occidental de la Laguna de Joyuda. Un estudio no-sistemático, un muestreo de 70-parcelas y un muestreo de 40- parcelas fueron conducidos. El por ciento de cobertura de sotobosque y de plántulas de arboles fueron medidos en el muestreo de 70-parcelas. El por ciento de cobertura de dosel sobre el lugar de muestreo, el pH, la conductividad eléctrica, el contenido de agua del suelo y la transmitancia total fueron medidas en el muestreo de 40-parcelas. La elevación fue medida a través de los transectos en el estudio sistemático. Composición de especies entre la plantación de coco y el bosque de manglar difirieron significativamente. Las variables ambientales que mostraron ser más significantes y definen la distribución de especies de sotobosque fueron conductividad eléctrica, elevación y transmitancia total. Parcelas dominadas por mangle al contrario de las parcelas de coco fueron caracterizadas por elevaciones bajas, alta salinidad y disponibilidad de luz. Estos resultados sugirieren que si el nivel del mar continua aumentando bosques de manglar y su sotobosque asociado se van a expandir tierra adentro hacia la plantación de coco.
dc.language.isoenen_US
dc.subjectMangrove forestsen_US
dc.subjectJoyuda Lagoonen_US
dc.subjectCoconut plantationen_US
dc.subject.lcshUnderstory plants--Puerto Rico--Joyuda Lagoonen_US
dc.subject.lcshMangrove forests--Puerto Rico--Joyuda Lagoonen_US
dc.subject.lcshUnderstory plants--Geographical distribution--Puerto Rico--Joyuda Lagoonen_US
dc.titleUnderstory Plant Communities in the Surroundings of the Joyuda Lagoon, Puerto Ricoen_US
dc.typeThesisen_US
dc.rights.licenseAll rights reserveden_US
dc.rights.holder(c) 2012 Janesse S. Colón Ruizen_US
dc.contributor.committeeThaxton, Jarrod
dc.contributor.committeeWhitmire, Stefanie
dc.contributor.representativeOtero, Ernesto
thesis.degree.levelM.S.en_US
thesis.degree.disciplineBiologyen_US
dc.contributor.collegeCollege of Arts and Sciences - Sciencesen_US
dc.contributor.departmentDepartment of Biologyen_US
dc.description.graduationSemesterSpringen_US
dc.description.graduationYear2012en_US


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