14 research outputs found

    Construir y gestionar el parque de viviendas

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    Aunque el tema de la vivienda se ha discutido ampliamente en Brasil, la mayoría de los estudios cuantitativos se han centrado en el análisis del déficit habitacional, dejando la demanda demográfica de vivienda como un asunto poco tratado. En este sentido, el objetivo del artículo es situarla en primer plano como factor estructurante de las necesidades de vivienda. De la misma forma, se pretende contribuir al debate de las políticas públicas a partir de los resultados obtenidos acerca de la dinámica reciente de formación de hogares en la región metropolitana de São Paulo y de la realización de proyecciones y estimaciones de flujos de creación y disolución de hogares que contemplan tres escenarios de previsión (mínimo, intermedio y máximo). Se puede observar que la satisfacción de la demanda ejercida por el flujo de nuevos hogares jóvenes dependerá cada vez más del stock existente de viviendas, liberado por el flujo de disolución de hogares de mayores. Las políticas de vivienda futuras deben garantizar la sostenibilidad de este proceso

    Construir y gestionar el parque de viviendas: Aportes desde el análisis de la demanda demográfica para el caso de São Paulo (1991-2040)

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    Aunque el tema de la vivienda se ha discutido ampliamente en Brasil, la mayoría de los estudios cuantitativos se han centrado en el análisis del déficit habitacional, dejando la demanda demográfica de vivienda como un asunto poco tratado. En este sentido, el objetivo del artículo es situarla en primer plano como factor estructurante de las necesidades de vivienda. De la misma forma, se pretende contribuir al debate de las políticas públicas a partir de los resultados obtenidos acerca de la dinámica reciente de formación de hogares en la región metropolitana de São Paulo y de la realización de proyecciones y estimaciones de flujos de creación y disolución de hogares que contemplan tres escenarios de previsión (mínimo, intermedio y máximo). Se puede observar que la satisfacción de la demanda ejercida por el flujo de nuevos hogares jóvenes dependerá cada vez más del stock existente de viviendas, liberado por el flujo de disolución de hogares de mayores. Las políticas de vivienda futuras deben garantizar la sostenibilidad de este proceso.publicad

    Pervasive gaps in Amazonian ecological research

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    Biodiversity loss is one of the main challenges of our time,1,2 and attempts to address it require a clear un derstanding of how ecological communities respond to environmental change across time and space.3,4 While the increasing availability of global databases on ecological communities has advanced our knowledge of biodiversity sensitivity to environmental changes,5–7 vast areas of the tropics remain understudied.8–11 In the American tropics, Amazonia stands out as the world’s most diverse rainforest and the primary source of Neotropical biodiversity,12 but it remains among the least known forests in America and is often underrepre sented in biodiversity databases.13–15 To worsen this situation, human-induced modifications16,17 may elim inate pieces of the Amazon’s biodiversity puzzle before we can use them to understand how ecological com munities are responding. To increase generalization and applicability of biodiversity knowledge,18,19 it is thus crucial to reduce biases in ecological research, particularly in regions projected to face the most pronounced environmental changes. We integrate ecological community metadata of 7,694 sampling sites for multiple or ganism groups in a machine learning model framework to map the research probability across the Brazilian Amazonia, while identifying the region’s vulnerability to environmental change. 15%–18% of the most ne glected areas in ecological research are expected to experience severe climate or land use changes by 2050. This means that unless we take immediate action, we will not be able to establish their current status, much less monitor how it is changing and what is being lostinfo:eu-repo/semantics/publishedVersio

    Pervasive gaps in Amazonian ecological research

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    Pervasive gaps in Amazonian ecological research

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    Biodiversity loss is one of the main challenges of our time,1,2 and attempts to address it require a clear understanding of how ecological communities respond to environmental change across time and space.3,4 While the increasing availability of global databases on ecological communities has advanced our knowledge of biodiversity sensitivity to environmental changes,5,6,7 vast areas of the tropics remain understudied.8,9,10,11 In the American tropics, Amazonia stands out as the world's most diverse rainforest and the primary source of Neotropical biodiversity,12 but it remains among the least known forests in America and is often underrepresented in biodiversity databases.13,14,15 To worsen this situation, human-induced modifications16,17 may eliminate pieces of the Amazon's biodiversity puzzle before we can use them to understand how ecological communities are responding. To increase generalization and applicability of biodiversity knowledge,18,19 it is thus crucial to reduce biases in ecological research, particularly in regions projected to face the most pronounced environmental changes. We integrate ecological community metadata of 7,694 sampling sites for multiple organism groups in a machine learning model framework to map the research probability across the Brazilian Amazonia, while identifying the region's vulnerability to environmental change. 15%–18% of the most neglected areas in ecological research are expected to experience severe climate or land use changes by 2050. This means that unless we take immediate action, we will not be able to establish their current status, much less monitor how it is changing and what is being lost

    Pervasive gaps in Amazonian ecological research

    Get PDF
    Biodiversity loss is one of the main challenges of our time,1,2 and attempts to address it require a clear understanding of how ecological communities respond to environmental change across time and space.3,4 While the increasing availability of global databases on ecological communities has advanced our knowledge of biodiversity sensitivity to environmental changes,5,6,7 vast areas of the tropics remain understudied.8,9,10,11 In the American tropics, Amazonia stands out as the world's most diverse rainforest and the primary source of Neotropical biodiversity,12 but it remains among the least known forests in America and is often underrepresented in biodiversity databases.13,14,15 To worsen this situation, human-induced modifications16,17 may eliminate pieces of the Amazon's biodiversity puzzle before we can use them to understand how ecological communities are responding. To increase generalization and applicability of biodiversity knowledge,18,19 it is thus crucial to reduce biases in ecological research, particularly in regions projected to face the most pronounced environmental changes. We integrate ecological community metadata of 7,694 sampling sites for multiple organism groups in a machine learning model framework to map the research probability across the Brazilian Amazonia, while identifying the region's vulnerability to environmental change. 15%–18% of the most neglected areas in ecological research are expected to experience severe climate or land use changes by 2050. This means that unless we take immediate action, we will not be able to establish their current status, much less monitor how it is changing and what is being lost

    Agroindústria e Reorganização do Espaço em Lucas Do Rio Verde (MT)

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    Lucas do Rio Verde é um município integrante da microrregião mato-grossense de Alto Teles Pires. Tem desde o início sua economia baseada principalmente na produção de commodities como soja e milho. A partir da década de 2000, houve a introdução de importantes Complexos Agroindustriais no município, sendo o mais eminente deles a empresa Brasil Foods S.A. Esse trabalho de monografia busca compreender como a intensificação das atividades econômicas do município repercutiu no espaço. Entende-se que ocorreram alterações importantes na dinâmica regional, que evidenciaram intensificação da migração; produção de dejetos ambientais de alta potencialidade de contaminação; expansão urbana com o rápido surgimento de novos loteamentos e ampliação dos antigos bairros; além da reorganização do espaço para abrigar a recente diversificação econômica e a potente dinâmica rotatória de organização dessa população. A metodologia consistiu na análise das informações dos Censos Demográficos do IBGE, e análise da pesquisa de campo realizada em março de 2013, e realizado no âmbito do projeto de pesquisa denominado "Urbanização, Processo de Ocupação Espacial e Sustentabilidade no Cerrado"Lucas do Rio Verde is a county integrant of the micro region of Mato Grosso named Alto Teles Pires. Since the begging it\u27s economy is based mainly on the production of commodities like soya and corn. From the decade of 2000, there was the introduction of important Agroindustrial Complexes in the county, being the most eminent of them the firm Brasil Foods S.A. The intensifying of economical activities brought important alterations on the regional dinamics, that showed the intensification of migration; production of environmental waste of high potencial of contamination; urban sprawl with fast emergence of new settlements and the expansion of older neighborhoods; besides reorganizing the space to house the recent economic diversification and the powerful rotational dynamics of organization of this population. The methodology consisted of analysis of information from IBGE Demographic Census and analysis of field research conducted in March 2013, and conducted under the research project entitled "Urbanization, Spatial Occupation and Process Sustainability in the Cerrado

    Demographic dynamics and recent economic transformation in Mato Grosso

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    Orientador: Roberto Luiz do CarmoDissertação (mestrado) - Universidade Estadual de Campinas, Instituto de Filosofia e Ciências HumanasResumo: O objetivo da presente dissertação consiste na compreensão das transformações na dinâmica migratória apresentadas pelos municípios do Mato Grosso, que receberam os mais expressivos incentivos no agronegócio ou na agroindústria, durante os anos 2000-2010. Dentre esses municípios, Lucas do Rio Verde foi escolhido para análise pormenorizada enquanto nível local, em razão do seu atual e expressivo dinamismo econômico e demográfico, sobretudo, após a introdução de um grande complexo agroindustrial da carne durante os anos 2000. A hipótese é de que Lucas do Rio Verde pode exemplificar a dinâmica demográfica das "cidades do agronegócio" (ELIAS, 2013) do Mato Grosso. Nesse sentido, afirma-se que as "cidades do agronegócio" dos complexos grãos e carne no estado demonstraram crescimento populacional via migração para áreas urbanas, e (re) organização das proporções dos fluxos migratórios segundo local de origem, o qual se relaciona com a ocupação do migrante no município. A metodologia empregada consiste no estudo da bibliografia pertinente; na análise de dados quantitativa oriundos de informações disponibilizadas por órgãos públicos (como o Instituto Brasileiro de Geografia e Estatística); e na exposição de informações qualitativas obtidas em pesquisa de campo no município de Lucas do Rio Verde. Os resultados demonstraram que a hipótese se confirma, e que o estudo possibilitou o diálogo entre as dimensões nacional, regional e local, como também a interlocução entre a perspectiva teórica e a empírica. Percebe-se que ainda persistem características da migração que são recorrentes dos processos historicamente percebidos, mas que essa também assume novos atributos a partir das transformações produtivas evidenciadasAbstract: The objective of this dissertation is to understand the transformations in migration, that were presented by the Mato Grosso¿s municipalities, which received the most expressive incentives in the agribusiness or agroindustrial sectors during the years 2000-2010. Among these municipalities, Lucas do Rio Verde was chosen for detailed analysis at the local level, due to its current and significant economic and demographic dynamism, mainly after the introduction of a large agroindustrial meat complex in the municipality in 2000¿s. The hypothesis is that Lucas do Rio Verde can exemplify the demographic dynamics of the "agribusiness cities" (ELIAS, 2013) of Mato Grosso. In this sense, it is stated that the "agribusiness cities" of the Mato Grosso showed population growth through migration to urban areas, and (re) organization of the proportion of migratory flows according to place of origin, since this is relates to the occupation of the migrant in the municipality. The methodology used the analysis of the relevant bibliography, with quantitative data derived from information provided by public agencies (particularly Instituto Brasileiro de Geografia), together with qualitative information obtained in field research in Lucas do Rio Verde. The results demonstrated that the hypothesis is confirmed, and that the study allowed the dialogue between the national, regional and local dimensions, as well as the dialogue between the theoretical and empirical perspectives. It can be seen that there are still characteristics of the migration that are recurrent of the historically perceived processes, but that this one also assumes new attributes from the evidenced productive transformationsMestradoDemografiaMestra em DemografiaCAPE

    Calidad de la declaración de la edad de las personas mayores en países de América Latina y el Caribe: análisis de los censos demográficos de las décadas de 1960 a 2010

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    Los análisis sobre la calidad de la declaración de la edad por parte de la población mayor en América Latina y el Caribe son todavía escasos, debido, entre otras cosas, al reciente y rápido proceso de transición de la estructura etaria de los países. En este artículo se propone utilizar una modificación del índice de Whipple para medir la preferencia por los dígitos 0 y 5 entre los grupos de edad de 60 años y más, así como su división en grupos de edad específicos. Para ello, se analizaron 72 censos demográficos de 20 países de América Latina y el Caribe, disponibles en el proyecto Integrated Public Use Microdata Series International (IPUMS-I) y realizados en las décadas de 1960 a 2010. Se señala que la calidad de la declaración de la edad de las personas mayores mejoró durante el período examinado y que la diferencia entre los resultados de hombres y mujeres disminuyó. Sin embargo, se observa una discrepancia en los resultados según el método de recolección de datos, pues la calidad de la declaración de la edad es mejor en los censos demográficos que incluyen la fecha de nacimiento que en aquellos en que se indican los años cumplidos
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