The effect of abundance of surrounding trees on the abundance of mycorrhizae in Ocotea monteverdensis (Lauraceae)

Citation
The effect of abundance of surrounding trees on the abundance of mycorrhizae in Ocotea monteverdensis (Lauraceae)

Material Information

Title:
The effect of abundance of surrounding trees on the abundance of mycorrhizae in Ocotea monteverdensis (Lauraceae)
Translated Title:
El efecto de la abundancia de árboles circundantes sobre la abundancia de micorrizas en Ocotea monteverdensis (Lauraceae)
Creator:
Lindsay, Jenna
Publication Date:
Language:
Text in English

Subjects

Subjects / Keywords:
Mycorrhizal fungi ( lcsh )
Hongos micorrizas ( lcsh )
Lauraceae ( lcsh )
Cloud forest ecology ( lcsh )
Ecología del bosque nuboso ( lcsh )
Costa Rica--Puntarenas--Monteverde Zone
Costa Rica--Puntarenas--Zona de Monteverde
EAP Fall 2016
EAP Otoño 2016
Genre:
Reports

Notes

Abstract:
A very important mutualism for many plant species is the association between mycorrhizal fungi and its host plant. Mycorrhizal fungi assist in nutrient and water uptake, helping to protect the plant from desiccation. The hyphae of the fungus can spread into the surrounding soil and link with other mycorrhizae to form mycorrhizal networks. The network then allows for interplant communication either between the same or different species of plant. This study examines how the number and size of surrounding trees impacts the abundance of mycorrhizae present in the roots of Ocotea monteverdensis. I collected one root from 28 different Ocotea monteverdensis trees, and quantified the number of surrounding trees by counting all trees within a 3-meter radius of the sample. I then broke the surrounding trees into three different size categories. After looking at three sections from each root, I determined the average number of mycorrhizae present. In the end, it was concluded that the number of surrounding trees did not affect the amount of mycorrhizae present. I also found that the size of the surrounding trees did not have an affect on the abundance of mycorrhizae in roots of O. monteverdensis. Further studies should be conducted on other factors that may affect mycorrhizal abundance in O. monteverdensis in order to provide the best possible environment for the mycorrhizae to thrive in. This potentially could help to preserve and improve the survival of this critically endangered species. ( ,, )
Abstract:
La asociación entre hongos micorríticos y las raíces de plantas es un mutualismo de suma importancia para muchas especies. Estos hongos asisten a la planta en la absorción de agua y nutrientes, ayudando así al crecimiento de la misma y a prevenir desecación. Las hifas de estos hongos pueden extenderse y enlazarse con otras micorrizas, formando así una red micorrítica entre árboles. Esta red permite la comunicación entre plantas de la misma o diferente especie. Estudié como el número y tamaño de árboles rodeando un árbol central de la especie Ocotea monteverdensis afecta la abundancia de micorrizas en el mismo. Colecté una raíz de 28 individuos de O. monteverdensis y cuantifiqué el número de árboles alrededor de cada individuo dentro de un radio de tres metros. Los árboles circundantes fueron categorizados en tres grupos de tamaño. Las muestras de raíces fueron examinadas para determinar la abundancia de micorrizas en las mismas. Conté el número de micorrizas en tres sub muestras por raíz y calculé el promedio. La abundancia dde micorrizas no presentó correlación con el número de árboles circundantes ni con el tamaño de los mismos. Más investigaciones deben ser llevadas a cabo para estudiar otros factores que puedan afectar la abundancia de micorrizas de O. monteverdensis. De esta manera se puede determinar el mejor ambiente para este mutualismo, lo cual potencialmente podría ayudar a la conservación y supervivencia de esta especie críticamente amenazada.
Biographical:
Student Affiliation: University of California, Santa Barbara
General Note:
Born Digital

Record Information

Source Institution:
Monteverde Institute
Holding Location:
Monteverde Institute
Rights Management:
This item is licensed with the Creative Commons Attribution Non-Commercial No Derivative License. This license allows others to download this work and share them with others as long as they mention the author and link back to the author, but they can’t change them in any way or use them commercially.
Resource Identifier:
M39-00607 ( USFLDC DOI )
m39.607 ( USFLDC Handle )

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Format:
Book

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PAGE 7

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PAGE 8

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APA

Cras ut cursus ante, a fringilla nunc. Mauris lorem nunc, cursus sit amet enim ac, vehicula vestibulum mi. Mauris viverra nisl vel enim faucibus porta. Praesent sit amet ornare diam, non finibus nulla.

MLA

Cras efficitur magna et sapien varius, luctus ullamcorper dolor convallis. Orci varius natoque penatibus et magnis dis parturient montes, nascetur ridiculus mus. Fusce sit amet justo ut erat laoreet congue sed a ante.

CHICAGO

Phasellus ornare in augue eu imperdiet. Donec malesuada sapien ante, at vehicula orci tempor molestie. Proin vitae urna elit. Pellentesque vitae nisi et diam euismod malesuada aliquet non erat.

WIKIPEDIA

Nunc fringilla dolor ut dictum placerat. Proin ac neque rutrum, consectetur ligula id, laoreet ligula. Nulla lorem massa, consectetur vitae consequat in, lobortis at dolor. Nunc sed leo odio.