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Alquezar RD, Arregui L, Macedo RH, Gil D. Birds living near airports do not show consistently higher levels of feather corticosterone. Conserv Physiol 2023; 11:coad079. [PMID: 37869263 PMCID: PMC10588694 DOI: 10.1093/conphys/coad079] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/11/2021] [Revised: 07/29/2023] [Accepted: 09/25/2023] [Indexed: 10/24/2023]
Abstract
Noise represents a threat to human and wildlife health, triggering physiological and behavioral challenges to individuals living close to sources of extreme noise. Here, we considered airport environments as sources of potentially stressful stimuli for birds and tested if those living near airports are under higher physiological stress than birds living in quiet sites. We used measurements of CORT in feathers (CORTf) as a proxy of chronic stress. We evaluated 14 passerine and 1 non-passerine species, living near three Brazilian airports. We found that, across species, individuals with a better body condition had lower CORTf concentration. At the species level, we found that CORTf concentration was not consistently affected by airport noise. Comparing individuals living in quiet sites with those living near airports, we found that 2 species had higher and 2 had lower CORTf concentrations near airports, while 11 species presented no significant differences between sites. At the population level, model selection indicated that the direction and strength of these differences are weakly related to species' song frequency (peak frequency), as lower-frequency singers tended to present higher CORTf levels at airport-affected sites. In summary, we were unable to find a consistent response among species, probably due to species-specific differences in their response to anthropogenic disturbances. Instead, we found that species might be affected differently according to their singing spectral frequency and that individuals in good body condition show lower CORTf, suggesting that this measure is consistent with lower physiological stress.
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Affiliation(s)
- Renata D Alquezar
- PG em Ecologia, Instituto de Ciências Biológicas, Universidade de Brasília, 70919-970, Brasília, DF, Brasil
| | - Lucía Arregui
- Departamento de Ecología Evolutiva, Museo Nacional de Ciencias Naturales (CSIC), José Gutiérrez Abascal, 2, 28006 Madrid, Spain
| | - Regina H Macedo
- Departamento de Zoologia, Instituto de Ciências Biológicas, Universidade de Brasília, 70910-900, Brasília, DF, Brasil
| | - Diego Gil
- Departamento de Ecología Evolutiva, Museo Nacional de Ciencias Naturales (CSIC), José Gutiérrez Abascal, 2, 28006 Madrid, Spain
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Bassini-Silva R, de Castro Jacinavicius F, Muñoz-Leal S, Maturano R, Takatsu JC, Tolesano-Pascoli GV, Alquezar RD, Lugarini C, Ferreira A, Moreira-Lima L, Welbourn C, Ochoa R, Hingst-Zaher E, André MR, Labruna MB, Barros-Battesti DM. Bacterial pathogens' screening in Brazilian chigger mites (Trombidiformes: Trombiculidae), with the first report of 'Candidatus Rickettsia colombianensi'-like in avian-associated chiggers. Arch Microbiol 2023; 205:51. [PMID: 36598595 DOI: 10.1007/s00203-022-03393-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2022] [Revised: 12/20/2022] [Accepted: 12/28/2022] [Indexed: 01/05/2023]
Abstract
Chiggers are larval ectoparasites of the Trombiculidae that can transmit pathogens to their hosts. In this study, chiggers collected from birds in Brazil were morphologically identified as Blankaartia sinnamaryi, Eutrombicula batatas, Eutrombicula daemoni, Eutrombicula goeldii, Eutrombicula tinami, and Parasecia gilbertoi. For these specimens, a beginning attempt at molecular identification were also provided, as well as, were genetically screened to detect bacterial pathogens. The species B. sinnamaryi and E. tinami were positive for Rickettsia felis-like and 'Candidatus Rickettsia colombianensi'-like, respectively. For the other agents (Anaplasmataceae, Borrelia spp. and Orientia tsutsugamushi), the tests were negative. This is the first report of 'Ca. R. colombianensi'-like and the second record of R. felis-like in chigger collected on birds from Brazil.
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Affiliation(s)
- Ricardo Bassini-Silva
- Laboratório de Coleções Zoológicas, Instituto Butantan, São Paulo, SP, Brazil. .,Departamento de Patologia, Faculdade de Ciências Agrárias e Veterinárias-UNESP, Reprodução e Saúde Única, Jaboticabal, SP, Brazil.
| | | | - Sebastián Muñoz-Leal
- Departamento de Ciencia Animal, Facultad Ciencias Veterinarias, Universidad de Concepción, Ñuble, Chile
| | - Ralph Maturano
- Departamento de Zoologia, Instituto de Ciências Biológicas, Universidade Federal de Juiz de Fora, Juiz de Fora, MG, Brazil
| | | | - Graziela Virginia Tolesano-Pascoli
- Laboratório de Ixodologia, Labix, Universidade Federal de Uberlândia, Uberlândia, MG, Brazil.,Pós-Graduação em Ecologia, Instituto de Ciências Biológicas, Universidade de Brasília, Brasília, DF, Brazil
| | - Renata D Alquezar
- Pós-Graduação em Ecologia, Instituto de Ciências Biológicas, Universidade de Brasília, Brasília, DF, Brazil
| | - Camile Lugarini
- Centro Nacional de Pesquisa e Conservação de Aves Silvestres (CEMAVE), Instituto Chico Mendes de Conservação da Biodiversidade (ICMBio), Cabedelo, PB, Brazil
| | - Ariane Ferreira
- Laboratório de Ornitologia e Bioacústica Catarinense, Departamento de Ecologia e Zoologia, Universidade Federal de Santa Catarina, Florianópolis, SC, Brazil
| | | | - Cal Welbourn
- Smithsonian Institution, National Museum of Natural History, National Insect and Mite Collection, Washington, DC, USA
| | - Ronald Ochoa
- Systematic Entomology Laboratory, United States Department of Agriculture, Agricultural Research Service, Beltsville, MD, USA
| | | | - Marcos Rogério André
- Departamento de Patologia, Faculdade de Ciências Agrárias e Veterinárias-UNESP, Reprodução e Saúde Única, Jaboticabal, SP, Brazil
| | - Marcelo Bahia Labruna
- Departamento de Medicina Veterinária Preventiva e Saúde Animal, Faculdade de Medicina Veterinária e Zootecnia da, Universidade de São Paulo-FMVZ-USP, São Paulo, SP, Brazil
| | - Darci Moraes Barros-Battesti
- Departamento de Patologia, Faculdade de Ciências Agrárias e Veterinárias-UNESP, Reprodução e Saúde Única, Jaboticabal, SP, Brazil
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Abstract
Spatial patterns of stable isotopes in animal tissues or “isoscapes” can be used to investigate animal origins in a range of ecological and forensic investigations. Here, we developed a feather hydrogen isotope (δ2Hf) isoscape for Brazil based on 192 samples of feathers from the family Thraupidae from scientific collections. Raw values of δ2Hf ranged from -107.3 to +5.0‰, with higher values at the Caatinga biome (northeast Brazil) and lower values at the Amazon and Pantanal. A Random Forest (RF) method was used to model the spatial surface, using a range of environmental data as auxiliary variables. The RF model indicated a negative relationship between δ2Hf and Mean Annual Precipitation, Precipitation in the Warmest Quarter, and Annual Temperature Range and positive relationships for amount-weighted February-April precipitation δ2H (δ2Hp(Feb-April)) and Mean Annual Solar Radiation. Modelled δ2Hf values ranged from -85.7 to -13.6‰. Ours is the first δ2Hf isoscape for Brazil that can greatly assist our understanding of both ecological and biogeochemical processes controlling spatial variation in δ2H for this region. This isoscape can be used with caution, due to its poor predictive power (as found in other tropical regions) and can benefit from new sample input, new GNIP data, ecological and physiological studies, and keratin standard material better encompassing the range in feather samples from Brazil. So, we encourage new attempts to build more precise feather H isoscapes, as well as isoscapes based on other elements.
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Affiliation(s)
- Renata D. Alquezar
- Departamento de Ecologia, Instituto de Ciências Biológicas, Universidade de Brasília, Brasília, Distrito Federal, Brazil
- Department of Biology, University of Western Ontario, London, Ontario, Canada
- * E-mail:
| | - Fabio J. V. Costa
- Instituto Nacional de Criminalística, Polícia Federal, Brasília, Distrito Federal, Brazil
| | - João Paulo Sena-Souza
- Departamento de Geociências, Universidade Estadual de Montes Claros, Montes Claros, Minas Gerais, Brazil
| | - Gabriela B. Nardoto
- Departamento de Ecologia, Instituto de Ciências Biológicas, Universidade de Brasília, Brasília, Distrito Federal, Brazil
| | - Keith A. Hobson
- Department of Biology, University of Western Ontario, London, Ontario, Canada
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Fecchio A, Ribeiro RM, Ferreira FC, de Angeli Dutra D, Tolesano-Pascoli G, Alquezar RD, Khan AU, Pichorim M, Moreira PA, Costa-Nascimento MJ, Monteiro EF, Mathias BS, Guimarães LO, Simões RF, Braga ÉM, Kirchgatter K, Dias RI. Higher infection probability of haemosporidian parasites in Blue-black Grassquits (Volatinia jacarina) inhabiting native vegetation across Brazil. Parasitol Int 2020; 80:102204. [PMID: 33045411 DOI: 10.1016/j.parint.2020.102204] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2020] [Revised: 07/24/2020] [Accepted: 08/02/2020] [Indexed: 11/18/2022]
Abstract
Human induced changes on landscape can alter the biotic and abiotic factors that influence the transmission of vector-borne parasites. To examine how infection rates of vector-transmitted parasites respond to changes on natural landscapes, we captured 330 Blue-black Grassquits (Volatinia jacarina) in Brazilian biomes and assessed the prevalence and diversity of avian haemosporidian parasites (Plasmodium and Haemoproteus) across avian host populations inhabiting environment under different disturbance and climatic conditions. Overall prevalence in Blue-black Grassquits was low (11%) and infection rates exhibited considerable spatial variation, ranging from zero to 39%. Based on genetic divergence of cytochrome b gene, we found two lineages of Haemoproteus (Parahaemoproteus) and 10 of Plasmodium. We showed that Blue-black Grassquit populations inhabiting sites with higher proportion of native vegetation cover were more infected across Brazil. Other landscape metrics (number of water bodies and distance to urban areas) and climatic condition (temperature and precipitation) known to influence vector activity and promote avian malaria transmission did not explain infection probability in Blue-black Grassquit populations. Moreover, breeding season did not explain prevalence across avian host populations. Our findings suggest that avian haemosporidian prevalence and diversity in Blue-black Grassquit populations are determined by recent anthropogenic changes in vegetation cover that may alter microclimate, thus influencing vector activity and parasite transmission.
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Affiliation(s)
- Alan Fecchio
- Programa de Pós-graduação em Ecologia e Conservação da Biodiversidade, Universidade Federal de Mato Grosso, Cuiabá, MT, Brazil.
| | - Rayanne M Ribeiro
- Faculdade de Ciências da Educação e Saúde, Centro Universitário de Brasília, Brasília, DF, Brazil
| | - Francisco C Ferreira
- Center for Conservation Genomics, Smithsonian Conservation Biology Institute, Washington, DC, USA; Center for Vector Biology, Rutgers University, New Brunswick, NJ, USA; Departamento de Parasitologia, Universidade Federal de Minas Gerais, Belo Horizonte 31270-901, Brazil
| | - Daniela de Angeli Dutra
- Departamento de Parasitologia, Universidade Federal de Minas Gerais, Belo Horizonte 31270-901, Brazil; Department of Zoology, University of Otago, Dunedin, New Zealand
| | - Graziela Tolesano-Pascoli
- Departamento de Zoologia, Instituto de Ciências Biológicas, Universidade de Brasília, Brasília 70910-900, DF, Brazil
| | - Renata D Alquezar
- Programa de Pós-graduação em Ecologia, Instituto de Ciências Biológicas, Universidade de Brasília, Brasília 70919-970, DF, Brazil
| | - Asmat U Khan
- Departamento de Parasitologia, Universidade Federal de Minas Gerais, Belo Horizonte 31270-901, Brazil; Department of Zoology, Shaheed Benazir Bhutto University, Sheringal, Dir (Upper) Khyber Pakhtunkhwa, Pakistan
| | - Mauro Pichorim
- Departamento de Botânica e Zoologia, Universidade Federal do Rio Grande do Norte, Natal, Rio Grande do Norte, Brazil
| | - Patrícia A Moreira
- Departamento de Biodiversidade, Evolução e Meio Ambiente, Instituto de Ciências Exatas e Biológicas, Universidade Federal de Ouro Preto, Ouro Preto, MG, Brazil
| | | | - Eliana F Monteiro
- Superintendência de Controle de Endemias/IMT-USP, São Paulo, SP 05403-000, Brazil
| | - Bruno S Mathias
- Superintendência de Controle de Endemias/IMT-USP, São Paulo, SP 05403-000, Brazil
| | - Lilian O Guimarães
- Superintendência de Controle de Endemias/IMT-USP, São Paulo, SP 05403-000, Brazil
| | - Roseli F Simões
- Superintendência de Controle de Endemias/IMT-USP, São Paulo, SP 05403-000, Brazil
| | - Érika M Braga
- Departamento de Parasitologia, Universidade Federal de Minas Gerais, Belo Horizonte 31270-901, Brazil
| | - Karin Kirchgatter
- Superintendência de Controle de Endemias/IMT-USP, São Paulo, SP 05403-000, Brazil
| | - Raphael I Dias
- Faculdade de Ciências da Educação e Saúde, Centro Universitário de Brasília, Brasília, DF, Brazil; Programa de Pós-graduação em Zoologia, Universidade de Brasília, Brasília, DF, Brazil
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