cometadata/datacite-titles-descriptions-related-identifiers huggingface dataset:
DOI: 10.6084/m9.figshare.5719189
title: WORK PRECARIOUSNESS: ERGONOMIC RISKS TO OPERATORS OF MACHINES ADAPTED FOR FOREST HARVESTING

description: ABSTRACT This study aimed to assess different types of machines adapted for mechanized forest harvesting activities in order to quantify the degree of compliance with ergonomic principles applicable to forest machines, as well as the ergonomic risks to which workers are exposed. The following machines were evaluated: a feller buncher adapted into a wheel loader; a mini skidder coupled to an agricultural tractor; and a forest loader adapted to an agricultural tractor; operating in the states of Paraná and Minas Gerais. Biomechanical working conditions were assessed by applying a checklist for simplified assessment of the workplace biomechanical conditions. The forced postures assessment was performed using the REBA - "Rapid Entire Body Assessment" method. In turn, ergonomic classification was through guidelines contained in the ergonomic classification manual "Ergonomic Guidelines for Forest Machines". Moreover, the environmental factors noise, temperature and vibration to which the operators of these machines were exposed were assessed. The results showed all assessed machines had ergonomic standards below those indicated in all assessed aspects, mainly related to access and dimensions of the workplace, need to adopt forced postures during working hours, and exposure to environmental factors assessed above tolerance limits. It is concluded that machines adapted for use in forest harvesting processes have shown significant gaps in relation to ergonomic aspects, presenting high and imminent risk of development of occupational diseases in their operators.
DOI: 10.6084/m9.figshare.5719186
title: PHYSIOLOGICAL RELATIONSHIPS IN Aleurites fordii Hemsl. SEEDLINGS

description: ABSTRACT The objective of this work was to evaluate the physiological behavior at different times of the day and the level of dependence between physiological variables and meteorological elements in Aleurites fordii seedlings. The experiment was conducted in a greenhouse, using a completely randomized experimental design, in a uniform scheme composed of 10 evaluation times (from 8 am to 5 pm, with an interval of 1h between evaluations) and three replications. Each replicate consisted of three evaluation plants, totaling nine seedlings, which were arranged on a double border. The following characteristics were evaluated: leaf temperature (ºC), photosynthetically active solar radiation ((mol S-1 m-2), stomatal resistance (S cm-1), and transpiration (mmol H2O s-1 m-2) over a typical day, using a LI-1600 LI-COR digital porometer. The temperature and relative humidity were measured inside the greenhouse, using a thermohygrograph. The evaluations were performed at 244 days after sowing, between 8:00 and 17:00, with an interval of 60 minutes, totaling 10 evaluations. The physiological changes of Aleurites fordii seedlings are affected by the time of day. In general, the physiological variables are highly dependent on meteorological elements. The temperature of the greenhouse and the relative humidity are the meteorological elements that most influence the physiological behavior of Aleurites fordii seedlings.
DOI: 10.6084/m9.figshare.5719186.v1
title: PHYSIOLOGICAL RELATIONSHIPS IN Aleurites fordii Hemsl. SEEDLINGS

description: ABSTRACT The objective of this work was to evaluate the physiological behavior at different times of the day and the level of dependence between physiological variables and meteorological elements in Aleurites fordii seedlings. The experiment was conducted in a greenhouse, using a completely randomized experimental design, in a uniform scheme composed of 10 evaluation times (from 8 am to 5 pm, with an interval of 1h between evaluations) and three replications. Each replicate consisted of three evaluation plants, totaling nine seedlings, which were arranged on a double border. The following characteristics were evaluated: leaf temperature (ºC), photosynthetically active solar radiation ((mol S-1 m-2), stomatal resistance (S cm-1), and transpiration (mmol H2O s-1 m-2) over a typical day, using a LI-1600 LI-COR digital porometer. The temperature and relative humidity were measured inside the greenhouse, using a thermohygrograph. The evaluations were performed at 244 days after sowing, between 8:00 and 17:00, with an interval of 60 minutes, totaling 10 evaluations. The physiological changes of Aleurites fordii seedlings are affected by the time of day. In general, the physiological variables are highly dependent on meteorological elements. The temperature of the greenhouse and the relative humidity are the meteorological elements that most influence the physiological behavior of Aleurites fordii seedlings.
DOI: 10.6084/m9.figshare.5719177
title: DENSITY MANAGEMENT DIAGRAMS FOR STANDS OF Eucalyptus grandis W. Hill RS, BRAZIL

description: ABSTRACT Density Management Diagrams (DMD) contribute to the forester, as they allow the understanding of the current situation of the stand, in addition to helping predict its future conditions. The aim of this study is to develop Density Management Diagrams for Eucalyptus grandis Hill ex Maiden, which will serve as auxiliary models for this species, and to establish appropriate density variation, or management zone, for managing stands to be demarcated on the diagram. Full density stands will be used for the study area. The construction of the diagram will be based on the maximum density line (A-line) obtained from fully stocked stands. From this line, stand density indices (B-line and C-line) will be generated in a gradual and proportional manner. The management zone will be made according to the required thinning weight, and afterwards it will generate Density Management Diagram (DMD). This study allowed us to find a possible adjustment of stand density of Eucalyptus grandis Hill, which is fundamental for management of the stand.
DOI: 10.6084/m9.figshare.5719177.v1
title: DENSITY MANAGEMENT DIAGRAMS FOR STANDS OF Eucalyptus grandis W. Hill RS, BRAZIL

description: ABSTRACT Density Management Diagrams (DMD) contribute to the forester, as they allow the understanding of the current situation of the stand, in addition to helping predict its future conditions. The aim of this study is to develop Density Management Diagrams for Eucalyptus grandis Hill ex Maiden, which will serve as auxiliary models for this species, and to establish appropriate density variation, or management zone, for managing stands to be demarcated on the diagram. Full density stands will be used for the study area. The construction of the diagram will be based on the maximum density line (A-line) obtained from fully stocked stands. From this line, stand density indices (B-line and C-line) will be generated in a gradual and proportional manner. The management zone will be made according to the required thinning weight, and afterwards it will generate Density Management Diagram (DMD). This study allowed us to find a possible adjustment of stand density of Eucalyptus grandis Hill, which is fundamental for management of the stand.
DOI: 10.6084/m9.figshare.5719174
title: FOREST COVER ANALYSIS THROUGH THE WEIGHTS OF EVIDENCE METHOD IN THE CAMPANHA OCIDENTAL REGION - RS (BRAZIL)

description: ABSTRACT The uncontrolled expansion of human activities may lead to a reduction in vegetation cover, an increase in erosion processes and soil sealing. The aim of this study is to examine forest cover using the Weights of evidence method based on land use maps between the years of 1996 and 2011 in the micro-region of the Campanha Ocidental located in the state of Rio Grande do Sul (Brazil). The spatial database was constructed in SPRING software (version 5.2.1) based on LANDSAT 5 images, which were georeferenced and classified. Geophysical and socioeconomic variables were included in the database for further analysis in Dinamica EGO software (version 2.2.8). In order to parameterize the probabilistic model for the analysis of the dynamics of forest cover change, we calculated the percentage of class change through transition matrices; calculated the intervals for discretization of continuous variables; calculated the weights of evidence (W+); analyzed the correlation between the weights of the input variables for all transitions; simulated future scenarios and; validated the simulated final map based on the historical map. This model was adequate for understanding the variables that most contribute to forest cover change in the region. The results showed that the emergence of new forest areas was influenced by hypsometry, distance to sandy lands and per capita income, while deforestation by rural population and distance to the sandy lands.
DOI: 10.6084/m9.figshare.5719174.v1
title: FOREST COVER ANALYSIS THROUGH THE WEIGHTS OF EVIDENCE METHOD IN THE CAMPANHA OCIDENTAL REGION - RS (BRAZIL)

description: ABSTRACT The uncontrolled expansion of human activities may lead to a reduction in vegetation cover, an increase in erosion processes and soil sealing. The aim of this study is to examine forest cover using the Weights of evidence method based on land use maps between the years of 1996 and 2011 in the micro-region of the Campanha Ocidental located in the state of Rio Grande do Sul (Brazil). The spatial database was constructed in SPRING software (version 5.2.1) based on LANDSAT 5 images, which were georeferenced and classified. Geophysical and socioeconomic variables were included in the database for further analysis in Dinamica EGO software (version 2.2.8). In order to parameterize the probabilistic model for the analysis of the dynamics of forest cover change, we calculated the percentage of class change through transition matrices; calculated the intervals for discretization of continuous variables; calculated the weights of evidence (W+); analyzed the correlation between the weights of the input variables for all transitions; simulated future scenarios and; validated the simulated final map based on the historical map. This model was adequate for understanding the variables that most contribute to forest cover change in the region. The results showed that the emergence of new forest areas was influenced by hypsometry, distance to sandy lands and per capita income, while deforestation by rural population and distance to the sandy lands.
DOI: 10.6084/m9.figshare.5719165
title: Women's knowledge of methods for secondary prevention of breast cancer

description: Abstract The objective of this study was to evaluate women's knowledge of methods for screening breast cancer. The study was done on a population of women aged 18 or over in the city of Rio Grande between April and November 2011. Interviewers used questionnaires on all of the women at selected households. Models were developed for every type of screening (self-examination of breasts, mammography, and clinical exams) that were analyzed through the use of Poisson regression. Out of the 1596 women interviewed, 1355 reported self-examination, 456, mammography, and only 191, clinical examination of the breast, performed by a health professional, as important for the prevention of breast cancer. White women with 11 years or more worth of schooling had a greater probability of having mammography exams and clinical examinations as methods for screening. We noted, linked to the aforementioned, that there was a linear tendency whereby there was a greater probability for those with high incomes to undergo one of the above interventions. The study noted that there was a need for more detailed information aimed at the population on prevention methods in order to avoid late diagnosis. We noted that non-white women with little education and on low incomes showed less knowledge of clinical examination methods and mammographies.
DOI: 10.6084/m9.figshare.5719165.v1
title: Women's knowledge of methods for secondary prevention of breast cancer

description: Abstract The objective of this study was to evaluate women's knowledge of methods for screening breast cancer. The study was done on a population of women aged 18 or over in the city of Rio Grande between April and November 2011. Interviewers used questionnaires on all of the women at selected households. Models were developed for every type of screening (self-examination of breasts, mammography, and clinical exams) that were analyzed through the use of Poisson regression. Out of the 1596 women interviewed, 1355 reported self-examination, 456, mammography, and only 191, clinical examination of the breast, performed by a health professional, as important for the prevention of breast cancer. White women with 11 years or more worth of schooling had a greater probability of having mammography exams and clinical examinations as methods for screening. We noted, linked to the aforementioned, that there was a linear tendency whereby there was a greater probability for those with high incomes to undergo one of the above interventions. The study noted that there was a need for more detailed information aimed at the population on prevention methods in order to avoid late diagnosis. We noted that non-white women with little education and on low incomes showed less knowledge of clinical examination methods and mammographies.
DOI: 10.6084/m9.figshare.5719162
title: SOIL ORGANIC MATTER FRACTIONS UNDER SECOND-ROTATION EUCALYPTUS PLANTATIONS IN EASTERN RIO GRANDE DO SUL

description: ABSTRACT The aim of the present study was to evaluate the effect of eucalyptus plantations on total organic C (TOC) and total N (TN) stocks as well as the C and N in the fulvic acid (FA), humic acid (HA), humin (HU), light organic matter (LOM) and microbial biomass (MB) fractions in soils with different textures in the eastern part of the state of Rio Grande do Sul, Brazil. Soil samples were collected from the 0-10-cm, 10-20-cm, 20-40-cm, 40-60-cm and 60-100-cm soil layers in a completely randomized experimental design with subdivided plots. Under the eucalyptus plantation, clay loam soil presented lower HA, HU and MB C stocks in the 0-100-cm soil layer compared to reference vegetation, whereas sandy soil presented higher and C and N in HA and LOM as well as C in MB. The observed increase in TOC in eucalyptus plantations was more pronounced in the surface soil layer (0-10 cm), i.e., approximately 150% higher than under native vegetation, which was probably due to the high contribution of the eucalyptus litter. Differences in C and N stocks in soil organic matter (SOM) fractions between eucalyptus plantations and areas with reference vegetation were more pronounced in sandy soil, showing the capacity of the clay fraction to protect SOM.
DOI: 10.6084/m9.figshare.5719159
title: ECOLOGICAL RESTORATION IN AREA DOMINATED BY Pteridium aquilinum (L.) Kuhn IN CAPARAÓ NATIONAL PARK, MG

description: ABSTRACT The goal of this study was to restore an area dominated by P. aquilinum in the National Park of Caparaó, by nucleation techniques. In an area covered by P. aquilinum, 60 nuclei or gaps of 2 x 2 m were cleared, i.e., 10 nuclei per treatment. In these open areas, all P. aquilinum cover was removed down to the soil. In the center of each gap was delimited one parcel of 1 x 1 m, in which the treatments were applied: T1-liming, T2-seed bank and litter transposition, T3-direct-seeding, T4-liming + seed bank and litter transposition, T5-liming + direct-seeding, T6-control. The experiment was arranged in a completely randomized design with 10 replications. In each nucleation plot, after one year, all arbustive-arboreous species were recorded, by measuring plant height and diameter at ground level. The plants were classified according to the succession class and dispersion type. One year after the installation of the nucleation experiment, 331 individuals of 19 species, 12 genera and 10 botanical families were recorded. Pioneer plants were the predominant ecological group, and the prevailing dispersion type was zoochoric. The richest families were Solanaceae and Euphorbiaceae. Solanaceae was represented by the highest number of individuals (56.2%), followed by Fabaceae (10%). The genus Solanum had the highest richness and abundance. The applied nucleation techniques triggered the succession process in the area invaded by P. aquilinum. Treatments with seed banks were the most appropriate to facilitate forest regeneration in this area.
DOI: 10.6084/m9.figshare.5719162.v1
title: SOIL ORGANIC MATTER FRACTIONS UNDER SECOND-ROTATION EUCALYPTUS PLANTATIONS IN EASTERN RIO GRANDE DO SUL

description: ABSTRACT The aim of the present study was to evaluate the effect of eucalyptus plantations on total organic C (TOC) and total N (TN) stocks as well as the C and N in the fulvic acid (FA), humic acid (HA), humin (HU), light organic matter (LOM) and microbial biomass (MB) fractions in soils with different textures in the eastern part of the state of Rio Grande do Sul, Brazil. Soil samples were collected from the 0-10-cm, 10-20-cm, 20-40-cm, 40-60-cm and 60-100-cm soil layers in a completely randomized experimental design with subdivided plots. Under the eucalyptus plantation, clay loam soil presented lower HA, HU and MB C stocks in the 0-100-cm soil layer compared to reference vegetation, whereas sandy soil presented higher and C and N in HA and LOM as well as C in MB. The observed increase in TOC in eucalyptus plantations was more pronounced in the surface soil layer (0-10 cm), i.e., approximately 150% higher than under native vegetation, which was probably due to the high contribution of the eucalyptus litter. Differences in C and N stocks in soil organic matter (SOM) fractions between eucalyptus plantations and areas with reference vegetation were more pronounced in sandy soil, showing the capacity of the clay fraction to protect SOM.
DOI: 10.6084/m9.figshare.5719159.v1
title: ECOLOGICAL RESTORATION IN AREA DOMINATED BY Pteridium aquilinum (L.) Kuhn IN CAPARAÓ NATIONAL PARK, MG

description: ABSTRACT The goal of this study was to restore an area dominated by P. aquilinum in the National Park of Caparaó, by nucleation techniques. In an area covered by P. aquilinum, 60 nuclei or gaps of 2 x 2 m were cleared, i.e., 10 nuclei per treatment. In these open areas, all P. aquilinum cover was removed down to the soil. In the center of each gap was delimited one parcel of 1 x 1 m, in which the treatments were applied: T1-liming, T2-seed bank and litter transposition, T3-direct-seeding, T4-liming + seed bank and litter transposition, T5-liming + direct-seeding, T6-control. The experiment was arranged in a completely randomized design with 10 replications. In each nucleation plot, after one year, all arbustive-arboreous species were recorded, by measuring plant height and diameter at ground level. The plants were classified according to the succession class and dispersion type. One year after the installation of the nucleation experiment, 331 individuals of 19 species, 12 genera and 10 botanical families were recorded. Pioneer plants were the predominant ecological group, and the prevailing dispersion type was zoochoric. The richest families were Solanaceae and Euphorbiaceae. Solanaceae was represented by the highest number of individuals (56.2%), followed by Fabaceae (10%). The genus Solanum had the highest richness and abundance. The applied nucleation techniques triggered the succession process in the area invaded by P. aquilinum. Treatments with seed banks were the most appropriate to facilitate forest regeneration in this area.
DOI: 10.6084/m9.figshare.5719153
title: Factors associated with tuberculosis retreatment in priority districts of Maranhão, Brazil

description: Abstract This study investigated factors associated with cases of tuberculosis retreatment due to relapse and readmission after treatment abandonment. This is an analytical cross-sectional study type of cases reported in the Information System for Notifiable Diseases in priority municipalities in the State of Maranhão, from January 2005 to December 2010. A logistic regression model was used to identify the association. Patients aged between 40 and 59 years (OR = 1.49, p = 0.029) with a pulmonary clinical form (OR = 2.79, p = 0.016) were more likely to incur relapse. Readmissions after abandonment were more likely in males (OR = 1.53, p = 0.046), aged between 20 and 39 years (OR = 1.65, p = 0.007), with less than eight years of schooling (OR = 2.01, p = 0.037) and with alcohol dependence (OR=1.66, p = 0.037), which showed a higher probability of another abandonment (OR = 5.96, p &lt; 0.001). These data reinforce the need for strategies aimed at this group, such as increased supervised treatment, intensified active search, post-discharge follow-up and health education action.
DOI: 10.6084/m9.figshare.5719153.v1
title: Factors associated with tuberculosis retreatment in priority districts of Maranhão, Brazil

description: Abstract This study investigated factors associated with cases of tuberculosis retreatment due to relapse and readmission after treatment abandonment. This is an analytical cross-sectional study type of cases reported in the Information System for Notifiable Diseases in priority municipalities in the State of Maranhão, from January 2005 to December 2010. A logistic regression model was used to identify the association. Patients aged between 40 and 59 years (OR = 1.49, p = 0.029) with a pulmonary clinical form (OR = 2.79, p = 0.016) were more likely to incur relapse. Readmissions after abandonment were more likely in males (OR = 1.53, p = 0.046), aged between 20 and 39 years (OR = 1.65, p = 0.007), with less than eight years of schooling (OR = 2.01, p = 0.037) and with alcohol dependence (OR=1.66, p = 0.037), which showed a higher probability of another abandonment (OR = 5.96, p &lt; 0.001). These data reinforce the need for strategies aimed at this group, such as increased supervised treatment, intensified active search, post-discharge follow-up and health education action.
DOI: 10.6084/m9.figshare.5719150
title: Inequality in iron sulfate supplementation among pregnant women in Southern Brazil

description: ABSTRACT: Introduction: The use of ferrous sulfate is recommended for all pregnant women from the 20th week of gestation to the 3rd month after delivery. Objective: To evaluate the coverage of ferrous sulfate among pregnant women and differentials according to demographic and socioeconomic variables. Method: A cross-sectional population-based study with women who had children in Rio Grande, Rio Grande do Sul, Brazil, from January 1st to December 31st, 2013. Ferrous sulfate coverage was assessed according to maternal age, schooling, family income, and type of prenatal care. Statistical analysis included Pearson’s χ2 test and Poisson regression. Results: 2,685 postpartum women (97% of the total) were interviewed and the ferrous sulfate coverage was 63%. The largest relative differences were between the extreme maternal schooling groups (50%) and the type of medical care in prenatal care (72%). Women aged between 13 and 19 years were significantly associated with the use of supplement (RP = 1.16; 95%CI 1.08 - 1.25) when compared to women aged ≥ 30 years. Those who used the public service in prenatal care were more strongly associated with the outcome when compared to those who used the private system (PR = 1.61; 95%CI 1.49 - 1.74). Conclusion: Considering that there are unusual situations in the health sector in which disadvantaged groups are privileged, these findings are rare and indicate the presence of inequality in a way that is opposite to what was expected. The supplement should consider all women, especially older women, with higher education and better socioeconomic status.