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Respuesta funcional de Heterotermes tenuis Hagen (insecta: Blattaria: Isoptera) en forestaciones de la orinoquía colombiana

Authors: Salazar Salazar, Luis Ricardo;

Respuesta funcional de Heterotermes tenuis Hagen (insecta: Blattaria: Isoptera) en forestaciones de la orinoquía colombiana

Abstract

La especie xilófaga Heterotermes tenuis está ampliamente distribuida en la altillanura Colombiana y la frecuencia de sus colonias aumenta en las forestaciones de Pinus caribaea. Para estimar la respuesta funcional se comparó el tamaño de los rasgos morfológicos funcionales (RMF) de H. tenuis asociados con la alimentación y la defensa de la colonia en las diferentes coberturas del suelo: cuatro edades de plantación y relictos de bosques de galería. Las comparaciones se realizaron mediante análisis de escalonamiento multidimensional no métrico, PERMANOVA y modelos multinomiales. Se observó un mayor efecto del tipo del uso del suelo que de las edades de plantación, siendo de un mayor tamaño los RMF relacionados con la alimentación mientras que en la casta soldado los resultados no fueron concluyentes. Los resultados sugieren homogenización de los RMF de la casta obrera en las plantaciones de pino, relacionados principalmente con el aumento de la oferta alimenticia de maderas blandas de P. caribaea.

The xylophagous species Heterotermes tenuis is widely distributed in the Colombian East plains, and the frequency of its colonies increases in Pinus caribaea forestations. The functional response of the size of the functional morphological traits (FMT) associated with feeding and colony defense was compared among four plantation ages and gallery forest relicts. Comparisons among forest relicts and plantations were made using non-metric multidimensional scaling analysis, PERMANOVA, and multinomial models. A more significant effect of the type of land use than the plantation ages was observed in the larger size of the workers, while the results were not conclusive in the soldier caste. The results suggested homogenization of the FMT of the worker caste of H. tenuis in pine plantations, most likely but not only related to an increase in the food supply of softwoods of P. caribaea

Keywords

Maestría en Manejo, Uso y Conservación del Bosque --Tesis y disertaciones académicas, Homogenization, Bosques de pinus caribaea, Homogenización, Environmental filters, Traits functional, Rasgos funcionales, Ecología forestal, Comportamiento alimentario, Functional diversity, Diversidad funcional, Filtro ambiental

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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
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