Preliminary study of arachnids in the river bank Chinguiñoso, Huejutla de Reyes, Hidalgo, Mexico
DOI:
https://doi.org/10.47808/revistabioagro.v7i2.54Keywords:
richness, true diversity, arachnids, equity and dominanceAbstract
Spiders comprise a group of very diverse and widely distributed fauna in all terrestrial ecosystems invading even some freshwater environments. A study was carried out on the arachnofauna on the banks of the Chinguiñoso River, Huejutla de Reyes, Hidalgo; Mexico. During the months of September to November of 2017. The method of direct collection, fall traps and beating of branches and bushes was used, in a two-kilometer journey, distributed in five sites each with 200 meters in length, obtaining 240 hours of sampling effort in daytime sessions. A total of 190 individuals were obtained, distributed in 13 species and seven families (Araneidae, Oxyopidae, Pisauridae, Salticidae, Sytodidae, Sparissidae and Tetragnathidae). The exponential of Shannon's equity index (H ') was taken as a measure of true diversity (effective species); Simpson's dominance (D '), as an indicator to measure diversity. The month of September was the most abundant, rich and diverse. On the other hand, Jaccard's similarity analysis shows a group that presents 80% similarity and another group that presents species that were not found in the other sites. The richness and diversity of arachnids could be coupled with the richness of vegetation, because there are still areas with high altitude and tree cover.
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Copyright (c) 2019 Juan Cipriano-Anastasio, Fausta Laura Cruz-Salazar, Alejandra López-Mancilla, Jesús Hernández-Hernández, José Luis Lara-Hernández, Andrea Leonor Cruz-Monterrubio
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