Effect of habitat fragmentation on rural house invasion by sylvatic triatomines: A multiple landscape-scale approach.
After the decrease of the relative importance of Triatoma infestans, a number of studies reported the occurrence of sylvatic triatomines dispersing actively to domestic environments in the dry western Chaco Region of Argentina. Anthropic modification of the landscape is mentioned as one of the main...
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2021
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ftdoajarticles:oai:doaj.org/article:6f1585871ecb4f6f9b6d7c24d895b6ff 2023-05-15T15:15:20+02:00 Effect of habitat fragmentation on rural house invasion by sylvatic triatomines: A multiple landscape-scale approach. Miriam Cardozo Federico Gastón Fiad Liliana Beatríz Crocco David Eladio Gorla 2021-07-01T00:00:00Z https://doi.org/10.1371/journal.pntd.0009579 https://doaj.org/article/6f1585871ecb4f6f9b6d7c24d895b6ff EN eng Public Library of Science (PLoS) https://doi.org/10.1371/journal.pntd.0009579 https://doaj.org/toc/1935-2727 https://doaj.org/toc/1935-2735 1935-2727 1935-2735 doi:10.1371/journal.pntd.0009579 https://doaj.org/article/6f1585871ecb4f6f9b6d7c24d895b6ff PLoS Neglected Tropical Diseases, Vol 15, Iss 7, p e0009579 (2021) Arctic medicine. Tropical medicine RC955-962 Public aspects of medicine RA1-1270 article 2021 ftdoajarticles https://doi.org/10.1371/journal.pntd.0009579 2022-12-31T09:21:49Z After the decrease of the relative importance of Triatoma infestans, a number of studies reported the occurrence of sylvatic triatomines dispersing actively to domestic environments in the dry western Chaco Region of Argentina. Anthropic modification of the landscape is mentioned as one of the main causes of the increase in domicile invasion. The aim of this study was to describe the occurrence and frequency of sylvatic triatomines invading rural houses, and to evaluate the effect of habitat fragmentation and other ecological factors on the invasion of rural houses in central Argentina. We hypothesized that the decrease in food sources and the loss of wild ecotopes, as a consequence of habitat fragmentation, increase the chances of invasion by triatomines. The entomological data was collected by community-based vector surveillance during fieldwork carried out between 2017-2020, over 131 houses located in fourteen rural communities in the northwest of Córdoba Province (central Argentina). We used generalized linear models to evaluate the effect of (i) the environmental anthropic disturbance in the study area, (ii) the composition and configuration of the landscape surrounding the house, (iii) the spatial arrangement of houses, (iv) and the availability of artificial refuges and domestic animals in the peridomicile, on house invasion by triatomines. We report the occurrence of seven species of triatomines invading rural houses in the study area -T. infestans, T. guasayana, T. garciabesi, T. platensis, T. delpontei, T. breyeri and P. guentheri-. Study data suggest that invasion by triatomines occurs with higher frequency in disturbed landscapes, with houses spatially isolated and in proximity to subdivided fragments of forest. The availability of domestic refuges in the peridomestic structures as well as the presence of a higher number of domestic animals increase the chances of invasion by triatomines. Article in Journal/Newspaper Arctic Directory of Open Access Journals: DOAJ Articles Arctic Argentina Chaco ENVELOPE(-60.583,-60.583,-63.033,-63.033) PLOS Neglected Tropical Diseases 15 7 e0009579 |
institution |
Open Polar |
collection |
Directory of Open Access Journals: DOAJ Articles |
op_collection_id |
ftdoajarticles |
language |
English |
topic |
Arctic medicine. Tropical medicine RC955-962 Public aspects of medicine RA1-1270 |
spellingShingle |
Arctic medicine. Tropical medicine RC955-962 Public aspects of medicine RA1-1270 Miriam Cardozo Federico Gastón Fiad Liliana Beatríz Crocco David Eladio Gorla Effect of habitat fragmentation on rural house invasion by sylvatic triatomines: A multiple landscape-scale approach. |
topic_facet |
Arctic medicine. Tropical medicine RC955-962 Public aspects of medicine RA1-1270 |
description |
After the decrease of the relative importance of Triatoma infestans, a number of studies reported the occurrence of sylvatic triatomines dispersing actively to domestic environments in the dry western Chaco Region of Argentina. Anthropic modification of the landscape is mentioned as one of the main causes of the increase in domicile invasion. The aim of this study was to describe the occurrence and frequency of sylvatic triatomines invading rural houses, and to evaluate the effect of habitat fragmentation and other ecological factors on the invasion of rural houses in central Argentina. We hypothesized that the decrease in food sources and the loss of wild ecotopes, as a consequence of habitat fragmentation, increase the chances of invasion by triatomines. The entomological data was collected by community-based vector surveillance during fieldwork carried out between 2017-2020, over 131 houses located in fourteen rural communities in the northwest of Córdoba Province (central Argentina). We used generalized linear models to evaluate the effect of (i) the environmental anthropic disturbance in the study area, (ii) the composition and configuration of the landscape surrounding the house, (iii) the spatial arrangement of houses, (iv) and the availability of artificial refuges and domestic animals in the peridomicile, on house invasion by triatomines. We report the occurrence of seven species of triatomines invading rural houses in the study area -T. infestans, T. guasayana, T. garciabesi, T. platensis, T. delpontei, T. breyeri and P. guentheri-. Study data suggest that invasion by triatomines occurs with higher frequency in disturbed landscapes, with houses spatially isolated and in proximity to subdivided fragments of forest. The availability of domestic refuges in the peridomestic structures as well as the presence of a higher number of domestic animals increase the chances of invasion by triatomines. |
format |
Article in Journal/Newspaper |
author |
Miriam Cardozo Federico Gastón Fiad Liliana Beatríz Crocco David Eladio Gorla |
author_facet |
Miriam Cardozo Federico Gastón Fiad Liliana Beatríz Crocco David Eladio Gorla |
author_sort |
Miriam Cardozo |
title |
Effect of habitat fragmentation on rural house invasion by sylvatic triatomines: A multiple landscape-scale approach. |
title_short |
Effect of habitat fragmentation on rural house invasion by sylvatic triatomines: A multiple landscape-scale approach. |
title_full |
Effect of habitat fragmentation on rural house invasion by sylvatic triatomines: A multiple landscape-scale approach. |
title_fullStr |
Effect of habitat fragmentation on rural house invasion by sylvatic triatomines: A multiple landscape-scale approach. |
title_full_unstemmed |
Effect of habitat fragmentation on rural house invasion by sylvatic triatomines: A multiple landscape-scale approach. |
title_sort |
effect of habitat fragmentation on rural house invasion by sylvatic triatomines: a multiple landscape-scale approach. |
publisher |
Public Library of Science (PLoS) |
publishDate |
2021 |
url |
https://doi.org/10.1371/journal.pntd.0009579 https://doaj.org/article/6f1585871ecb4f6f9b6d7c24d895b6ff |
long_lat |
ENVELOPE(-60.583,-60.583,-63.033,-63.033) |
geographic |
Arctic Argentina Chaco |
geographic_facet |
Arctic Argentina Chaco |
genre |
Arctic |
genre_facet |
Arctic |
op_source |
PLoS Neglected Tropical Diseases, Vol 15, Iss 7, p e0009579 (2021) |
op_relation |
https://doi.org/10.1371/journal.pntd.0009579 https://doaj.org/toc/1935-2727 https://doaj.org/toc/1935-2735 1935-2727 1935-2735 doi:10.1371/journal.pntd.0009579 https://doaj.org/article/6f1585871ecb4f6f9b6d7c24d895b6ff |
op_doi |
https://doi.org/10.1371/journal.pntd.0009579 |
container_title |
PLOS Neglected Tropical Diseases |
container_volume |
15 |
container_issue |
7 |
container_start_page |
e0009579 |
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1766345693750886400 |