Abstract
ABSTRACT The objective of this work was to evaluate the forest restoration of Guapiacu river basin in Macacu, RJ, using the families of coleobrocas as tools for environmental assessment. We analyzed the fluctuation of the families of Coleoptera: Cerambycidae, Lyctidae, Anobiidae, Bostrichidae and Curculionidae. Six sampling points were arranged along the river, five points being inferred in reforestation carried out in the basin and a point in the control area of natural regeneration the amount of Guapiacu river. The collection period started in January 2013, and ended in December 2015. Through quali-quantitative data, there is a greater population density of sub-family Scolytinae in periods of high temperature and humidity and areas more populated by pioneer species used in forest restoration. After the end of the monitoring period, we proposed a model of environmental assessment through the frequency of occurrence of families of coleobrocas collected in forest fragments.
Highlights
AND GOALThe insects can be used to determinate the anthropic interference in various ecosystems, in bio- monitoring
We analyzed the Ecological parameter Relative Frequency (RF), adapting it to the average number of months of collection, which is the percentage of the occurrence of the taxon i by the sum of occurrences for all taxa of the component analyzed, where frequency of occurrence (FO) = (Oci/Σ x 100 OC), for the months of collection, the results found for the parameter frequency were essential for the creation of a table of evaluation of ecological quality, i.e., correlating the frequency of taxa with its auto-ecology
With the purpose of creating a method of ecological assessment focusing on the main taxa of the assembly of wood borers beetles found in environments of native forest, we developed a table (Table 5), entitled TTWBEM (Rate Table of Woodboring Beetles for the Environmental Monitoring) with a focus on average monthly frequencies of occurrence (FO), of the taxa sampled in this study and other studies cited here in the Atlantic Forest biome
Summary
AND GOALThe insects can be used to determinate the anthropic interference in various ecosystems, in bio- monitoring. The beetles can play several roles in ecosystems, predators, pollinators and as biological indicators (Trevisan et al, 2004; Galdinoda-Silva et al, 2016)
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