scholarly journals Mutagenicity in Tradescantia pallida as an Indicator of the Effect of Air Pollution and Human Health

Atmosphere ◽  
2021 ◽  
Vol 12 (9) ◽  
pp. 1185
Author(s):  
Kaline de Souza Pereira Godoi ◽  
Juliana Caroline Vivian Spósito ◽  
Aline do Nascimento Rocha ◽  
Liliam Silvia Candido ◽  
Caio Augusto Mussury Silva ◽  
...  
Keyword(s):  
Air Pollution ◽  
Relative Humidity ◽  
Environmental Factors ◽  
Environmental Variables ◽  
High Flow ◽  
Vehicular Pollution ◽  
Mato Grosso ◽  
Micronucleus Frequency ◽  
Tradescantia Pallida ◽  
Mato Grosso Do Sul

The present study aims to relate the micronucleus frequency in Tradescantia pallida to environmental factors and cardiorespiratory diseases to infer the effect of air pollution. The number of hospitalizations, diseases cases, frequency of micronuclei in plants, environmental variables, altitude, and vehicle traffic in cities of Mato Grosso do Sul were evaluated due to the high flow that surrounds agribusiness. The frequency of micronuclei decreased with the increase in relative humidity, while the altitude did not influence the mutagenicity or genotoxicity of the evaluated plants. The municipalities with micronucleus frequencies above 200 had the highest number of vehicle and cardiorespiratory diseases. Biomonitoring data obtained in cities throughout the year indicate that the number of cardiorespiratory diseases was probably due to vehicular pollution, which is evidenced by the increased frequency of micronuclei in T. pallida.

scholarly journals Temporal distribution of ichthyoplankton in the Ivinhema River (Mato Grosso do Sul State/ Brazil): influence of environmental variables

2011 ◽  
Vol 9 (2) ◽  
pp. 427-436 ◽  
Author(s):  
David Augusto Reynalte-Tataje ◽  
Keshiyu Nakatani ◽  
Rodrigo Fernandes ◽  
Angelo Antônio Agostinho ◽  
Andréa Bialetzki
Keyword(s):  
Environmental Variables ◽  
Temporal Distribution ◽  
Principal Component ◽  
Temporal Variations ◽  
Large Species ◽  
Mato Grosso ◽  
Upper Paraná River ◽  
Water Outflow ◽  
Eggs And Larvae ◽  
Mato Grosso Do Sul

Information on ichthyoplankton is an important tool in determining reproduction periods that - if associated to environmental variables - allows for inferences about the factors that regulate their intensity, beginning, and ending. In this context, this study aims to establish (i) ichthyoplankton composition; (ii) temporal variations in the overall density of eggs and larvae and among the most important taxa; and (iii) the influence of some abiotic and biotic variables on these organisms' abundance. Ichthyoplankton sampling was undertaken during the period between April 2005 and March 2006 at the Ivinhema River, upper Paraná River basin (MS/Brazil). Differences in the ichthyoplankton's temporal variation were evaluated using unifactorial ANOVAs. Principal Component Analysis and Pearson's correlation were used for the relationships between eggs and larvae densities and environmental variables. A total of 3,341 eggs and 2,896 larvae were captured during the period studied, and most of them were medium-sized and large species that carried out some type of reproductive migration. The highest densities of eggs and larvae occurred during the months of spring and summer, except for those of Bryconamericus stramineus, which was most abundant during the winter. The density of ichthyoplankton was most positively correlated with the water's outflow and temperature. However, Plagioscion squamosissimus was positively related to the increase in pH and in zooplanktonic organisms, while B. stramineus was inversely correlated with water outflow and temperature. The study concludes that spawning is most intense in the spring and summer, especially between November and January, and is related to the greatest values of water temperature and outflow. Nevertheless, the response and reproductive intensity in relation to the environmental variables vary according to the species.

scholarly journals Diversity of Ophioniformes wasps (Hymenoptera: Ichneumonidae) in a Central-West Brazilian Savanna area

2021 ◽  
Vol 61 ◽  
pp. e20216145
Author(s):  
Alvaro Doria dos Santos ◽  
Helena Carolina Onody ◽  
Carlos Roberto Ferreira Brandão
Keyword(s):  
Species Richness ◽  
Relative Humidity ◽  
Abundant Species ◽  
Brazilian Savanna ◽  
Mato Grosso ◽  
Unknown Species ◽  
Taxonomic Studies ◽  
First Time ◽  
Mato Grosso Do Sul ◽  
Malaise Traps

This study aimed to assess the diversity, abundance and seasonal dynamics of Ophioniformes wasps collected throughout a year, as recorded in Malaise traps set at the Reserva Ecológica da Universidade Estadual do Mato Grosso do Sul, a Brazilian Savanna area in Aquidauana city, MS. A total of 621 specimens of Ophioniformes belonging to 11 subfamilies, 30 genera and 106 species were sampled. Despite the impressive number of species found, in a pattern of a few relatively abundant species and many rare ones, our data estimate even higher richness, probably between 125 to 165 species in the studied area. The genera Diadegma, Nonnus, Diradops, Meniscomorpha, Syzeuctus, Ophiopterus and Thyreodon are recorded for the first time in Mato Grosso do Sul State. Among the climatic variables evaluated, mean temperature and relative humidity were positively and significantly correlated with richness and abundance. Our data highlights the huge unknown species richness of these parasitoids in Brazil and the need of taxonomic studies efforts in the future.

scholarly journals Factores ambientales y cambio climático relacionados con el comportamiento del Dengue en Guayaquil // Environmental factors and climate change related to the behavior of Dengue in Guayaquil

Ciencia Unemi ◽  
2017 ◽  
Vol 10 (22) ◽  
pp. 81-87
Author(s):  
Jhony Real CotTo ◽  
William Sánchez Calle ◽  
Fausto Hington Chica ◽  
Janeth Hurtado Astudillo ◽  
Juan Fariño Cortez ◽  
...  
Keyword(s):  
Climate Change ◽  
Relative Humidity ◽  
Environmental Factors ◽  
Surface Temperature ◽  
Sea Surface Temperature ◽  
Experimental Research ◽  
Environmental Variables ◽  
Sea Surface ◽  
Exposed Population ◽  
The Relationship

En Guayaquil existe el dengue y tiene una población expuesta de forma endémico – epidémica, pero hay escasos estudios sobre la tendencia histórica de los factores que influyen en el comportamiento del dengue. El objetivo de este trabajo es relacionar los factores ambientales y el cambio climático en el comportamiento del Dengue en la ciudad de Guayaquil, durante el período 2010-2014. Se aplicó una investigación no experimental, tipo longitudinal de tendencia. Analizándose el comportamiento de dengue con la pluviosidad, temperatura, humedad y vientos por semanas epidemiológicas. Los resultados de más casos fueron en los años 2010, 2012 y 2014; existiendo variabilidad en su comportamiento. Las variables ambientales mostraron que la pluviosidad tiene escasa relación en la presencia de casos, hallazgos de humedad por encima del 70% con temperatura altas y escasos vientos provocan condiciones para incremento en la transmisión de la enfermedad, pero existen períodos epidemiológicos donde su transmisión disminuye y puede estar relacionado a las temperaturas promedios bajas, humedad relativa y presencia de vientos. A su vez, es de relevancia observar la relación que tiene el aumento de la temperatura superficial del mar con el incremento de casos de Dengue como se observa en los años de más casos.In Guayaquil there is dengue and it has an exposed population in an endemic – epidemic way, but there is little research on the historical trend of the factors that influence the behavior of dengue. The objective of this work is to relate environmental factors and climate change in the behavior of Dengue in Guayaquil city during the period 2010-2014. A Non - experimental research of a longitudinal type of trend was applied, analyzing the behavior of dengue with rainfall, temperature, humidity and winds per epidemiological weeks. The results with more cases were in the years 2010, 2012 and 2014; Showing variability in their behavior. The environmental variables showed that the rainfall has little relation in the presence of cases, humidity findings above 70% with high temperatures and few winds cause conditions to increase the transmission of the disease, but there are epidemiological periods where the transmission decreases and may be related to low average temperatures, relative humidity and presence of winds. At the same time, it is relevant to observe the relationship between the increase in sea surface temperature and the increase in Dengue cases as observed in the years of more cases

scholarly journals Produção e acúmulo de serapilheira em áreas de restauração florestal no Mato Grosso do Sul, Brasil

2020 ◽  
Vol 8 ◽  
pp. 04
Author(s):  
Poliana Ferreira da Costa ◽  
Zefa Valdivina Pereira ◽  
Shaline Séfara Lopes Fernandes ◽  
Caroline Quinhones Fróes ◽  
Thiago Oliveira Barbosa ◽  
...  
Keyword(s):  
Air Temperature ◽  
Linear Correlation ◽  
Environmental Variables ◽  
Ecological Indicators ◽  
Mato Grosso ◽  
Restoration Process ◽  
Restoration Site ◽  
Reproductive Material ◽  
Mato Grosso Do Sul ◽  
Litter Sampling

This study aimed to evaluate the potential of litter and litterfall as ecological indicators in three sites in restoration process located in Ivinhema, Jateí and Caarapó – Mato Grosso do Sul state, Brazil, after 12, 13 and 16 years of implantation, respectively. The objective was also to obtain Pearson's simple linear correlation) between monthly litterfall with environmental variables of rainfall and air temperature. To litterfall sampling, 15 litter traps were used (0.80 m x 0.80 m) and, for litter sampling, six collections were carried out in each restoration site, in December 2016, using a frame (0.64 m2). The samples were separated into three components: leaves, twigs, reproductive material (flowers and fruits). The high litter amount, in the three sites evaluated (Ivinhema 9.4 Mg ha-1; Jatéi 5.5 Mg ha-1; and Caarapó 7.1 Mg ha-1), demonstrates the importance of litterfall and litter as an indicator for the stages initial succession in restored forests. There were weak correlations between litter and environmental variables, being negative for air temperature and positive for rainfall.This study aimed to evaluate the potential of litter and litterfall as ecological indicators in three sites in restoration process located in Ivinhema, Jateí and Caarapó – Mato Grosso do Sul state, Brazil, after 12, 13 and 16 years of implantation, respectively. The objective was also to obtain Pearson's simple linear correlation) between monthly litterfall with environmental variables of rainfall and air temperature. To litterfall sampling, 15 litter traps were used (0.80 m x 0.80 m) and, for litter sampling, six collections were carried out in each restoration site, in December 2016, using a frame (0.64 m2). The samples were separated into three components: leaves, twigs, reproductive material (flowers and fruits). The high litter amount, in the three sites evaluated (Ivinhema 9.4 Mg ha-1; Jatéi 5.5 Mg ha-1; and Caarapó 7.1 Mg ha-1), demonstrates the importance of litterfall and litter as an indicator for the stages initial succession in restored forests. There were weak correlations between litter and environmental variables, being negative for air temperature and positive for rainfall.

scholarly journals Spatial distribution and environmental factors associated to phlebotomine fauna in a border area of transmission of visceral leishmaniasis in Mato Grosso do Sul, Brazil

2014 ◽  
Vol 7 (1) ◽  
pp. 260 ◽  
Author(s):  
Ana Rachel Oliveira de Andrade ◽  
Baldomero Antonio Kato da Silva ◽  
Geucira Cristaldo ◽  
Sonia Maria Oliveira de Andrade ◽  
Antonio Conceição Filho ◽  
...  
Keyword(s):  
Spatial Distribution ◽  
Visceral Leishmaniasis ◽  
Environmental Factors ◽  
Mato Grosso ◽  
Border Area ◽  
Factors Associated ◽  
Mato Grosso Do Sul

scholarly journals Drift of ichthyoplankton in two channels of the Paraná River, between Paraná and Mato Grosso do Sul states, Brazil

1999 ◽  
Vol 42 (1) ◽  
Author(s):  
Andréa Bialetzki ◽  
Paulo Vanderlei Sanches ◽  
Maristela Cavicchioli ◽  
Gilmar Baumgartner ◽  
Ricardo Pereira Ribeiro ◽  
...  
Keyword(s):  
Electrical Conductivity ◽  
Water Temperature ◽  
Water Samples ◽  
Environmental Variables ◽  
Paraná River ◽  
Mato Grosso ◽  
Parana River ◽  
The Right ◽  
Mato Grosso Do Sul ◽  
Larvae Density

Analysis of drift of ichthyoplankton in two channels in the River Paraná, Brazil, were made. Sampling was undertaken from October 1995 to April 1996 during nychthemeral cycles. Water samples were collected to determine several environmental variables. Eggs densities largely differed to layers, times of day and months. In both the channels, highest occurrence of eggs was detected between January and March; greater concentrations at the bottom, during night. With regard to larvae, densities were significantly different in channels, times of days and months. Maximum occurrences were seen in the right channel, in both layers, with largest capture between January and March. Surface of the both channels presented highest density of larvae during night. Water temperature, electrical conductivity and flux velocity were different in the two channels, however, these variables and larvae density didn't showed correlations. This indicates that there was another possible factor, might be influencing the distribution of ichthyoplankton.

scholarly journals Quality of soy bean grain stored in bag silo

2021 ◽  
Vol 29 ◽  
pp. 1-10
Author(s):  
Vinicius Duarte Pinto ◽  
Lucas Mingotti Dias ◽  
Renata Henrique Hoscher ◽  
Fabiano Rodrigo Gomes ◽  
Marcelo Alvares de Oliveira ◽  
...  
Keyword(s):  
Relative Humidity ◽  
Water Content ◽  
Storage Period ◽  
Total Period ◽  
Mato Grosso ◽  
Average Water ◽  
Fermented Grains ◽  
Average Rise ◽  
Mato Grosso Do Sul

Because of the rise in the use of bag silo in the last harvests due to the lack of static capacity in Brazil, the storage of grain in type of structure is currently seen as a solution to our storage deficit. Thus, the importance of maintaining the quality of grains for commercialization in these systems is considered. The objective of this experiment was to evaluate the quality of soybean grain stored in a silo bag, in the region of Dourados, State of Mato Grosso do Sul, Brazilian Central-West. The experiment was carried out in a cooperative, where soybean grain stored in silo bag are collected. The product had been received, processed at the end of the summer harvest and previously stored in metallic silos, and then transferred to the silo bags upon reception of the winter harvest. Thus, soybeans with an average water content of 11% w.b. were packed in bags composed of high-density polyethylene and hermetically sealed over a total period of 125 days, with collections of data on temperature and air relative humidity and grain sampling every 40 days. The collected samples were subjected to plant classification and analyses of water content, water activity, protein, lipids and color parameters were also performed. Na average rise of 5° C was observed in the temperature and 14% for air relative humidity which resulted in the of moldy and fermented grains after 125 days in the bags. The storage period factor was significant (p <0.05) in the variables of water content, color and oil. It was concluded that for soybeans the storage period in hermetic bags influences the quality of the grains and the internal environmental conditions in these structures are influenced by the convective microcurrents observed in the different positions inside the silo bag.

scholarly journals Siestas among Brazilian native Terena adults: a study of daytime napping

2000 ◽  
Vol 58 (1) ◽  
pp. 39-44 ◽  
Author(s):  
RUBENS REIMÃO ◽  
JOSÉ CARLOS SOUZA ◽  
CARLOS EDUARDO VILELA GAUDIOSO ◽  
HELLEN DA COSTA GUERRA ◽  
ANDREA DAS CHAGAS ALVES ◽  
...  
Keyword(s):  
Environmental Factors ◽  
Central Region ◽  
Onset Time ◽  
Sleep Habits ◽  
Indian Reservation ◽  
Urban Populations ◽  
Mato Grosso ◽  
Daytime Sleep ◽  
Standard Questionnaire ◽  
Mato Grosso Do Sul

Regular daytime napping behavior, also known as siesta culture, is influenced by circadian, cultural and environmental factors. This research analyzes characteristics of regular daytime napping in Brazilian Native Terenas. We evaluared 65 adults ( 32 M; 33 F ) from 18 to 75 years, with a mean age of 37.2, from the Indian Reservation village Córrego do Meio, in the central region of Mato Grosso do Sul. Daytime napping characteristics were evaluated by means of a standard questionnaire applied to each individual. It was observed that weekly daytime napping (at least once a week) was present in 72.3% of the population. There was a tendency to occur in males. The effects of weekends was mild. Mean onset time of daytime sleep was 12.2 h, remarkably earlier than usually described in urban populations. This data stresses the need to consider ethnic influences in order to understand sleep habits.

A Synopsis of Dicliptera (Acanthaceae) in Brazil, with the Description of Two New Species

2020 ◽  
Vol 45 (2) ◽  
pp. 340-348
Author(s):  
James Lucas da Costa-Lima ◽  
Earl Celestino de Oliveira Chagas
Keyword(s):  
New Species ◽  
South America ◽  
The State ◽  
Northeastern Brazil ◽  
Mato Grosso ◽  
The North ◽  
New Synonyms ◽  
Two New Species ◽  
Mato Grosso Do Sul ◽  
A New Species

Abstract—A synopsis of Dicliptera (Acanthaceae) for Brazil is presented. Six species are recognized: Dicliptera ciliaris, D. sexangularis, and D. squarrosa, widely distributed in South America; D. purpurascens, which ranges from the North Region of Brazil (in the state of Acre) to eastern Bolivia; D. gracilirama, a new species from the Atlantic Forest of northeastern Brazil; and D. granchaquenha, a new species recorded in dry and semideciduous forests in Bolivia and western Brazil, in the state of Mato Grosso do Sul. Furthermore, we propose new synonyms and designate lectotypes for eleven names. An identification key to the six accepted Dicliptera species in Brazil is provided.

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