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Yagui, H., (2014). Does Parasitism Mediate Water Mite Biogeographic Distribution? [Trabajo de investigación, Universidad Autónoma de Madrid]. http://renati.sunedu.gob.pe/handle/sunedu/985613
Yagui, H., Does Parasitism Mediate Water Mite Biogeographic Distribution? [Trabajo de investigación]. ES: Universidad Autónoma de Madrid; 2014. http://renati.sunedu.gob.pe/handle/sunedu/985613
@mastersthesis{renati/1569,
title = "Does Parasitism Mediate Water Mite Biogeographic Distribution?",
author = "Yagui Briones, Hiromi Isabel",
publisher = "Universidad Autónoma de Madrid",
year = "2014"
}
Title: Does Parasitism Mediate Water Mite Biogeographic Distribution?
Other Titles: ¿Interviene el parasitismo en la distribución biogeográfica de ácaros acuáticos?
Authors(s): Yagui Briones, Hiromi Isabel
Advisor(s): Luciáñez, María José
OCDE field: http://purl.org/pe-repo/ocde/ford#1.06.16
Issue Date: 2014
Institution: Universidad Autónoma de Madrid
Abstract: Determina si el parasitismo en ácaros acuáticos media su distribución geográfica. La biogeografía de algunos organismos ha sido un tema integrante para muchos científicos por siglos. En el caso de organismos con una etapa de parásito, las variables
complejas pueden agravar sus capacidades de dispersión. El clado Hydrachnidia es un
buen ejemplo de la última declaración. Los estilos de vida predominantes de la dispersión
mediada por el huésped en las larvas parásitas de los ácaros del agua nos llevan a esperar
un patrón de distribución más amplio en aquellos que lo poseen. Pero, ¿realmente ocurre
en la realidad? Probamos y comparamos la distribución geográfica entre los ácaros
acuáticos que tienen larvas parasitarias con los que han perdido esta etapa. Nuestra
muestra representa el número total de larvas no parásitas descritas y 780 especies
parásitas. La distribución mundial de especies se obtuvo de literatura especializada. La
hipótesis nula era que ambos medios no son significativamente diferentes. Utilizamos el
método de remuestreo estadístico bootstrap para comparar las medias. Contrariamente a lo
que esperábamos, el resultado señaló, no solo que ambos ciclos de vida particulares tienen
un patrón de dispersión diferente, sino también que aquellos con una etapa no parasitaria
tienen más especies con una distribución geográfica más amplia.
The biogeography of some organisms has been an intriguing issue to many scientists for several centuries. In the case of organisms with a parasite stage, complex variables may compound their dispersal abilities. The clade Hydrachnidia is a good example of the last statement. The predominant life styles of host-mediated dispersal in water mite’s parasitic larvae lead us to expect a wider distribution pattern on those who posses it. But, does it actually occur in reality? We tested and compare the geographic distribution between those water mites that have parasitic larvae with those who have loss this stage. Our sample represents the total number of non-parasitic larvae described and 780 parasitic species. Species world distribution where obtain from specialized literature. The null hypothesis was that both means are not significantly differentl. We use the bootstrap statistic resampling method to compare the means. Contrary to what we expected, the result pointed out, not only that both particular life cycles have a different dispersion pattern, but also, that those with non-parasitic stage have more species with a wider geographic distribution.
The biogeography of some organisms has been an intriguing issue to many scientists for several centuries. In the case of organisms with a parasite stage, complex variables may compound their dispersal abilities. The clade Hydrachnidia is a good example of the last statement. The predominant life styles of host-mediated dispersal in water mite’s parasitic larvae lead us to expect a wider distribution pattern on those who posses it. But, does it actually occur in reality? We tested and compare the geographic distribution between those water mites that have parasitic larvae with those who have loss this stage. Our sample represents the total number of non-parasitic larvae described and 780 parasitic species. Species world distribution where obtain from specialized literature. The null hypothesis was that both means are not significantly differentl. We use the bootstrap statistic resampling method to compare the means. Contrary to what we expected, the result pointed out, not only that both particular life cycles have a different dispersion pattern, but also, that those with non-parasitic stage have more species with a wider geographic distribution.
Link to repository: http://renati.sunedu.gob.pe/handle/sunedu/985613
Discipline: Ciencias naturales
Grade or title grantor: Universidad Autónoma de Madrid. Facultad de Ciencias. Departamento de Biología
Grade or title: Máster Universitario en Biodiversidad
Register date: 10-Jun-2020
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Yagui_Briones_HI.pdf | TFM | 1.07 MB | Adobe PDF | View/Open |
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