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Culicidae (Diptera) community structure, spatial and temporal distribution in three environments of the province of Chaco, Argentina.

Abstract：

:The aim of this work was to study the composition of the Culicidae community in three environments with different degrees of anthropic disturbance in the province of Chaco. The nonparametric richness estimator ACE was calculated to measure the completeness of the sampling in each environment, and the diversity of each environment (α-diversity) were estimated. The composition, abundance and uniformity of species from the different environments were compared by means of range-species curves. β-diversity was measured as species complementarity, which allowed us to know the degree of dissimilarity among the environments. The synanthropic index was estimated, identifying urban environment (synanthropic) species, eusynanthropic species, and wild species. The influence of climatic factors (mean temperature, relative humidity and rainfall) on the monthly and annual variations of the identified mosquito species was analysed using multilevel Poisson models with over-dispersion. The wild environment showed higher diversity and the semi-urban environment higher species richness. Despite having lower S and abundance, the urban environment showed greater diversity than semi-urban environment, although it also showed lower completeness, which means S could increase. Anthropogenic disturbance can lead to the elimination and/or modification or substitution of habitats, with the subsequent loss of richness in the more sensitive species of Culicidae fauna, although the conditions are also favourable for the settling of opportunistic and exotic species well-adjusted to disturbed environments. Most of the species abundances were positively influenced by the analysed climatic variables. The study area showed a rich Culicidae fauna of public health significance, with a risk of pathogen transmission, suggesting the need of further studies and the febrile and entomological surveillance.

journal_name

Acta Trop

journal_title

Acta tropica

authors

Stein M,Santana M,Galindo LM,Etchepare E,Willener JA,Almirón WR

doi

10.1016/j.actatropica.2015.12.002

subject

Has Abstract

pub_date

2016-04-01 00:00:00

pages

57-67

eissn

0001-706X

issn

1873-6254

pii

S0001-706X(15)30179-0

journal_volume

156

pub_type

杂志文章

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Culicidae (Diptera) community structure, spatial and temporal distribution in three environments of the province of Chaco, Argentina.