Effect of Land Cover and Landscape Fragmentation on Anopheline Mosquito Abundance and Diversity in an Important Colombian Malaria Endemic Region

Overview

Journal PLoS One

Specialties General Medicine
Science

Date 2020 Oct 15

PMID 33057442

Citations 10

Authors

Juan C Hernandez-Valencia

Daniel S Rincon

Alba Marin

Nelson Naranjo-Diaz

Margarita M Correa

Affiliations

Soon will be listed here.

Abstract

Landscape structure influences the distribution and abundance of anopheline mosquitoes and has an indirect impact on malaria transmission. This work aimed to determine the effect of land cover and landscape fragmentation on anopheline mosquito abundance and diversity in an important Colombian malaria endemic area, the Bajo Cauca region. Diversity indices were calculated for Anopheles mosquitoes collected in various localities of the region. Land cover types were characterized using orthorectified aerial photographs to estimate landscape metrics. The relationship between landscape fragmentation and species diversity was evaluated by regression analysis. The correlation between species abundance and land cover types was determined using canonical correspondence analyses. Results showed a statistically significant tendency for a lower diversity of the Anopheles community in landscapes with higher patch number, patch density and effective mesh size. For most species, there was evidence of a significant relationship between species abundance and land covers modified by anthropic activities which generate forest loss. These results indicate that activities that modify the landscape structure and land cover composition generate changes that affect the spatial distribution and composition of epidemiologically-important Anopheles species, which may impact malaria distribution in a region. This information is useful to guide control interventions that promote unfavorable landscapes for malaria vector propagation.

Citing Articles

Community Knowledge, Attitudes and Practices About Malaria: Insights from a Northwestern Colombian Endemic Locality.

Munoz-Laiton P, Hernandez-Valencia J, Correa M Trop Med Infect Dis. 2024; 9(11).

PMID: 39591287 PMC: 11598121. DOI: 10.3390/tropicalmed9110281.

Malaria Vectors and Transmission in Malaria-Endemic Localities of Colombia.

Piedrahita S, Correa M Trop Med Infect Dis. 2024; 9(11).

PMID: 39591266 PMC: 11598795. DOI: 10.3390/tropicalmed9110260.

Landscape and meteorological determinants of malaria vectors' presence and abundance in the rural health district of Korhogo, Côte d'Ivoire, 2016-2018, and comparison with the less anthropized area of Diébougou, Burkina Faso.

Taconet P, Zogo B, Alou L, Amanan Koffi A, Dabire R, Pennetier C PLoS One. 2024; 19(10):e0312132.

PMID: 39432506 PMC: 11493267. DOI: 10.1371/journal.pone.0312132.

A Systematic Review on the Viruses of Mosquitoes: The Potential Importance for Public Health.

Hernandez-Valencia J, Munoz-Laiton P, Gomez G, Correa M Trop Med Infect Dis. 2023; 8(10).

PMID: 37888587 PMC: 10610971. DOI: 10.3390/tropicalmed8100459.

Differing taxonomic responses of mosquito vectors to anthropogenic land-use change in Latin America and the Caribbean.

Fletcher I, Gibb R, Lowe R, Jones K PLoS Negl Trop Dis. 2023; 17(7):e0011450.

PMID: 37450491 PMC: 10348580. DOI: 10.1371/journal.pntd.0011450.

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