1
artículo
Publicado 2022
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There are few studies describing the eating habits of non-human primates (NHPs) that provide information related to the use of food resources of the ecosystem in the Amazon Forest. The objectives of the study were (1) to determine the composition of the diet of six species of NHPs and (2) to evaluate the amplitude and diversity of their diets from the evaluation of the gastric contents of animals hunted for subsistence purposes by inhabitants of three areas of the northern Peruvian Amazon between 2012-2015. Samples of 82 primates of the species Lagothrix poeppigii (n = 30), Sapajus macrocephalus (n = 23), Pithecia monachus (n = 11), Cacajao calvus (n = 8), Cebus albifrons (n = 6) and Alouatta seniculus (n = 4). The NHPs diet consisted of a high variety of fruits, including 133 types of seeds and 39 types of arthropods. The amplitude of the niche according to the Levin Index and the Simps...
2
artículo
Publicado 2024
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Hepatitis B virus (HBV) and Hepatitis E virus (HEV) are zoonotic pathogens posing significant health concerns in rural Amazonia, a region marked by high endemicity, poverty, and limited healthcare access. However, the epidemiology of HBV and HEV in this ecosystem remains underexplored. This study examines the circulation of HBV and HEV at the human–wildlife interface and identifies risk factors within an isolated Amazonian indigenous community reliant on hunting for subsistence. Antibodies against HBV core antigens (HBcAbs) were found in three wildlife species: Cuniculus paca (0.8%), Tayassu pecari (1.6%), and Mazama americana (4.1%), marking the first record of HBV antibodies in free-ranging wildlife in the Amazon. However, further research is necessary to identify circulating strains and their relation to human HBV. HBcAbs were also detected in 9.1% of human samples, confirming expos...
3
artículo
Publicado 2019
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This research was supported by a grant fromSENACYT FID 16-201 to J. P. C. and A. V., Secretar ́ıa Nacional deCiencia y Tecnolog ́ıa from Panama; by the grant for neglected dis-eases studies in Panama 1.11.1.3.703.01.55.120 from the Ministry ofEconomy and Finance of Panama to J. P. C. and A. V.; and byERANet17/HLH-0271. Scott Weaver also supported this studythrough the World Reference Center for Emerging Viruses and Arbo-viruses, NIH grant R24AI120942. Dr. Lescano is sponsored by thetraining grant D43 TW007393 awarded by the Fogarty InternationalCenter of the US National Institutes of Health. J. L. M. is a doctoralcandidate studying an Epidemiological Research Doctorate at Uni-versidad Peruana Cayetano Heredia under FONDECYT/CIENCIAC-TIVA scholarship EF033-235-2015 and also supported by traininggrant D43 TW007393. A. V. is a member of the Sistema Nacional deInvestigaci ́on de Panam ...
4
artículo
Publicado 2018
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Se planean actividades de dragado por el proyecto hidrovía amazónica y existe limitada evidencia científica de cómo el dragado propuesto podría afectar tanto a la biodiversidad como a la población local. Una matriz modelo fue utilizada para evaluar las posibles consecuencias del dragado sobre la fauna silvestre. De acuerdo con la matriz, las especies acuáticas muestran poblaciones decrecientes cuando el nivel de agua está bajo y las especies terrestres se ven afectadas negativamente cuando las inundaciones son intensivas. La población indígena Cocama viene adaptándose a los cambios poblacionales de la fauna silvestre, dedicándose más a la pesca cuando las poblaciones de animales de caza disminuyen. Las áreas poco profundas, localmente denominados como “malos pasos” constituyen tipos de hábitat importantes para peces y delfines. De acuerdo a la matriz que se presenta en...
5
artículo
Publicado 2018
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Dredging activities are planned for the Amazon hydrovia project and there is limited scientific evidence of how the proposed dredging could affect both biodiversity and the local population. A model matrix was used to evaluate the possible consequences of dredging on wildlife. According to the matrix, aquatic species show decreasing populations when the water level is low and terrestrial species are negatively affected when floods are intensive. The indigenous Cocama population has adapted to the population changes of the wildlife, dedicating itself more to fishing when the populations of game animals decrease. Shallow areas, locally called "malos pasos", are important habitat types for fish and dolphins. According to the matrix presented in this study, the best scenario would be that the dredging activities do not affect the normal water levels; while, the worst scenario would be when t...
6
objeto de conferencia
Publicado 2021
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Reúne los resúmenes de los trabajos presentados en el Primer Congreso Internacional sobre Amazonia Peruana: Investigación para el Desarrollo, Perspectivas y Retos (CONIAP 2020) desarrollado de manera virtual desde la ciudad de Iquitos, Perú, del 23 al 27 de noviembre del año 2020. El CONIAP contó con la asistencia virtual de más de mil personas de seis países diferentes (Perú, Brasil, Ecuador, Inglaterra, Francia y Estados Unidos), la presentación de más de ciento doce ponencias cortas evaluadas por el Comité Científico, la participación de más de veintisiete ponentes magistrales de académicos de gran prestigio y la puesta en marcha de siete paneles temáticos en los que participaron especialistas y decisores políticos en los temas de importancia para la Amazonía: el agua y sus recursos (hidrobiología, acuicultura y pesca), ecología y uso sostenible de bosques, biodiv...
7
artículo
Publicado 2017
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The collared peccary (Pecari tajacu) and white-lipped peccary (Tayassu pecari) are very important species as a source of protein and economic income for rural household, and are culturally important in Amazonian Communities. Despite their importance, and due to the scarcity of information on their populations in a large part of the Peruvian Amazon, it is difficult to evaluate the sustainable use as bushmeat and for the export of skins. In this way, this study aims to evaluate populations of P. tajacu and T. pecariin the regions of Loreto and Ucayali by using fixed-width line transects in 33 localities and through interviews to determine the 'cultural consensus' for the abundance of the species in 11 localities. Of a total of 14,220.5 km of 2 linear transects traveled in the study sites, showed that the population density of P. tajacu was 1.24 ind/km 2 being registered in 32 (96.9%) local...
8
artículo
Publicado 2017
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The collared peccary (Pecari tajacu) and white-lipped peccary (Tayassu pecari) are very important species as a source of protein and economic income for rural household, and are culturally important in Amazonian Communities. Despite their importance, and due to the scarcity of information on their populations in a large part of the Peruvian Amazon, it is difficult to evaluate the sustainable use as bushmeat and for the export of skins. In this way, this study aims to evaluate populations of P. tajacu and T. pecariin the regions of Loreto and Ucayali by using fixed-width line transects in 33 localities and through interviews to determine the 'cultural consensus' for the abundance of the species in 11 localities. Of a total of 14,220.5 km of 2 linear transects traveled in the study sites, showed that the population density of P. tajacu was 1.24 ind/km 2 being registered in 32 (96.9%) local...
