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https://doi.org/10.5154/r.rchs...
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License: CC BY NC
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https://doi.org/10.5154/r.rchs...
Article . 2011 . Peer-reviewed
Data sources: Crossref
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ESTRUCTURA ESPACIAL DE Pachycereus weberi (Coult.) Backeb. EN LA CAÑADA DEL ZOPILOTE, GUERRERO

Authors: Blanca Estela Linzaga-Román; Gregorio Ángeles-Pérez; Cesario Catalán-Heverástico; Patricia Hernández de la Rosa;

ESTRUCTURA ESPACIAL DE Pachycereus weberi (Coult.) Backeb. EN LA CAÑADA DEL ZOPILOTE, GUERRERO

Abstract

El propósito del presente estudio fue evaluar la estructura poblacional de Pachycereus weberi en la Cañada del Zopilote, Guerrero, México. Se estableció una parcela de observación de 50 x 50 m (2,500 m²), dividida en cuadros de 10 x 10 m para facilitar el levantamiento de la información de campo. Todos los individuos de P. weberi con altura > 0.10 m se marcaron, se les midió la altura total y Diámetro Normal (DN), y se ubicaron por sus coordenadas X y Y. Además, todos los individuos de las especies leñosas asociadas con DN > 5 cm, se marcaron, se identificaron y se les registró su diámetro, y coordenadas X y Y. Se determinó el índice de distribución y correlación espacial de individuos de P. weberi, divididos en dos estadios de desarrollo, juveniles y adultos, a través del índice de Ripley. Se registraron un total de 18 especies, asociadas a P. weberi. El mayor índice de Valor de Importancia Relativa lo registró P. weberi con 41.1 %, seguido de Acacia tenciifolia con 22.6 %. Se encontraron individuos de P. weberi con más de 8.5 m de altura y diámetros desde 5 a 43.8 cm. El patrón de distribución espacial fue de forma agregada tanto para individuos en periodo de desarrollo juvenil como adulto. La correlación espacial de ambos estadios de desarrollo fue de repulsión en distancias de 2 a 13 m. La distribución diamétrica encontrada sugiere un reclutamiento de nuevos individuos a la población de tipo episódico. Es decir, existen pocas incorporaciones en tamaños intermedios entre juveniles y adultos.

Keywords

Forestry, SD1-669.5

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
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