The objective of this research was to map and evaluate nitrate contamination in an urban area on the Brazil / Bolivia border. The evaluation of the groundwater table occurred in the water of cacimbas wells or Amazonian wells with an average depth of 10 meters in the city of Nova Mamoré, in the State of Rondônia, located in the southern region of Western Amazonia bordering the Republic of Bolivia. METHODS: Eighty (80) water samples were collected in the city's urban center, defined and evaluated for nitrate (NO3 -) in a proportion above or below the values defined by Ministry of Health Ordinance No. 2.914/2011, which governs standards of water standardization and potability in Brazil. From the data obtained, maps with georeferenced information were made to locate the areas with the highest and lowest contamination potential. The use of geostatistics assisted in the accomplishment of the spatialization of the samples and in the analysis of the spatial patterns allowing a higher quality of the generated data. Results: Sixty-two and a half percent

The struggle for a fair distribution of land consolidated social movements and put pressure on the Brazilian government to carry out agrarian reform. The government allocated rural workers to the settlements and created programs to strengthen family farming. The global concern with the sustainability of the planet has led scholars to think that family farming is an alternative for the reduction of poverty and for the preservation of the environment. Based on this principle, the objective of this study was to analyze whether family farming used in the family units of the Joana Darc III settlement in Rondônia contributes to sustainable development. Materials and methods: The research is characterized as descriptive and a case study. We use an instrument developed by Anjos17, semi-structured, divided into 6 blocks: Identification of the profile of farmers; Characterization of the production unit; Characterization of crop production; Production commercialization; Financing and infrastructure and, Life conditions. The sample granted for accessibility was a group formed by 30 (26.3%) rural farmers from the Joana Darc III settlement who cultivate different crops, harvested from a population of 114 farmers. For the sample size, the systematic sampling formula presented by Barbetta26 was used. The research project considers the ethical aspect and is in accordance with CNS Resolution 196/96. Results: The results showed that the settlers received financing from Pronaf for investments in increasing production and technical assistance from EMATER. However, the production system adopted is traditional, with the use of pesticides in crops and the use of pesticides in animals and they practice burning to clean the land. This practice goes against the principles of clean agriculture, which aims to preserve the environment. It was also found that the settled farmers sell their products below the market price, reducing their profit margin. However, all were unanimous in ensuring that they would have better living conditions compared to the life before the settlement and believe in improvements in the future. Conclusions: It was rejected the hypothesis that family farming used in the family units of the Joana Darc III settlement in Rondônia contributes to sustainable development.

No abstract

Objective: to analyze the socio-environmental responsibility of commercial companies in the wholesale, retail, wholesale-retail and wholesale-retail sectors within the scope of the free trade area of Guajará-Mirim, Rondônia, Brazil / Bolivia border. Method: the Social and Environmental Responsibility Performance Index -IDRSA was calculated according to the Factor Analysis techniques presented by Hair et al 13, Santana 14,15 and Cavalcante 16. A questionnaire (created by Cavalcante and Siqueira 17) was applied to 32 companies in the ALCGM economic sector, based on a set of social, environmental, economic and free question variables. Results:The average of the results found for each of the analyzed parameters (social, environmental and economic) reaches the performance index of socio-environmental responsibility of the companies for each of the economic sectors surveyed in the free trade area of Guajará-Mirim. The wholesale-retail sector had the best performance among all sectors with an index (IDRSA 0.561), considered "regular" performance. The sector of retail and wholesale (IDRSA 0.470) and the retail sector (IDRSA 0.420) also display rankings with regular performance indexes. The wholesale sector (IDRSA 0.374) was classified as "bad".

Objective: describe the monitoring of the mortality of wild animals on a state road located in the municipality of Cacaulândia, state of Rondônia, Western Amazon, caused by the hit of vehicles. Method: the methodological procedure follows that recommended in the manual of the Brazilian Center for Road Ecology Studies CBEE). Result: in the 19-month study period, the identification of animals run over and killed by vehicles reaches 2.57 animals per day, corresponding to an average of 77.1 animals per month and totaling 1,464.9 animals. This value corresponds to 0.073 animals killed per km traveled. The most victimized animal class was that of reptiles with a relative frequency of 51%, followed by mammals with 26.5%, birds with 14.3% and amphibians with 8.2%. Conclusions: peak deaths of wild animals occur on rainy days in the Amazon region. However, in the warm season and in the period of forest fires in the region, wildlife mortality rates remain quite high. What is expected is that this study will serve as an elementary basis so that managers of public policies of the infrastructure service in which the road component of the state of Rondônia is a part can adopt mitigating measures consecrated with the effectiveness in reducing / mitigating impacts in different biological groups, in the specific case of wildlife mortality.

Objective: To analyze the concentration of N nitrate (NO3 -) in the urban groundwater of Nova Mamoré on the Brazil / Bolivia border. Method: Data were collected from 40 water samples according to Standard Methods for the Examination for Water and Wasterwater along with the methodology proposed in the Water Sample Collection and Preservation Guide of the Environmental Sanitation Technology Company (CETESB). The sites were georeferenced using the Global Positioning System (GPS). For nitrate measurement, the spectrophotometry method was used, using Spectrophotometer, brand Micronal B495. The chemical reagents used were manufactured by Alfatecnoquímica and made available in two vials called reagents 1 and 2 (nitrate reagent). Results: The urban groundwater used by the population of Nova Mamoré for human consumption and other utilities is impacted by high levels of N nitrate (NO3-). Seventy -three percent (73%) of the sample presents levels> 10 mg/L of nitrate. These sites constitute urban areas of high environmental risk to human health, a public health issue. Only 17% presented levels <10 mg/L of nitrate. Only 7.5% of the samples are less than 3 mg/L of nitrate. Conclusions: The high concentration of nitrate in urban groundwater in cities in

Objective: to analyze the IQVU of the city of Porto Velho, Rondônia, Brazil, in a perspective of quality of life from the construction of the UHEs on the Madeira River. Methods: the model developed by Paraguassú-Chaves et al [3] was used to analyze the performance index in health and environmental conditions. 552 forms and interviews were applied, which contributed to the collection of primary data in the sample survey in the 69 neighborhoods grouped by the four urban areas of Porto Velho, involving 8 households per neighborhood. The data were submitted to Factor Analysis to calculate the quality of life indexes. In the analysis phase, the IQVU model of the Hair et al classification index scale [4] was used. Results: After 6 years, the quality of life indexes found in this research are similar to those found previously. Central Zone IQVU (0.456) Regular, East Zone IQVU (0.406), North Zone IQVU (0.428) and South Zone IQVU (0.393), with the average IQVU (0.420) of the city of Porto Velho. Conclusions: there was a significant drop in the quality of life index with the construction of the Jirau and Santo Antônio hydroelectric dams on the Madeira River, in Porto Velho. The city's quality of urban life index, which had already suffered a negative impact during the construction of the dams and 1 year later, worsened six years later.