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Dispersal‐associated traits —such as flight ability— influence how species move across the landscape, and can dramatically impact their distributions and patterns of genetic structure. Ortego et al. examine genomic data from two recently diverged alpine grasshopper lineages with distinct wing sizes to assess the demographic impacts of flight loss. The authors showed that flight loss may lead to asymmetric introgression during speciation, and can significantly increase rates of intraspecific diversification.

The aim of this research was to assess the impact of the governmental expenses with Education on CO2 emission in countries from Mercosur and other associate ones. It included annual data related from 1990 to 2014, obtained from World Bank (world development Indicators), through an online database (http://data.worldbank.org). As proxy for pollutant emissions, we used the variable CO2, which represents the emission of carbon dioxide in metric tons per capita. Final sample comprised eight countries, four from Mercosur itself (Argentina, Brazil Paraguay and Uruguay) and four associate countries (Chile, Peru, Colombia and Ecuador) in a 25-years consecutive period. According to data, it wasn't possible to infer that government's outlays on Education does not impact on CO2 emission neither in Mercosur nor in associate countries, what also does not support our first hypothesis. On the other hand, segregation on Education outlays showed there is a negative and significant relation between governmental expenses in Education per student (from secondary and tertiary teaching) and the CO2 emission in the previously mentioned countries, supporting both second and third hypotheses of this research.

Earning quality and return: an analysis of the companies listed on BM&FBOVESPA Calidad del lucro y retorno: un análisis de las compañias listadas en la BM & FBOVESPA This paper aims to analyze the relationship between the shareholder return and the quality of accruals of Brazilian publicly traded companies. For that, the survey counted on a sample of 353 companies, with information obtained in the annual financial statements of 2010 up to 2015, panel data. A research hypothesis was elaborated pertinent to the literature with respect to the quality of accruals. Being confirmed the hypothesis that the quality of the accruals has a positive and significant relation with the stock return. It is concluded that the results of the research corroborate in most of the previous literature.Qualidade do lucro e retorno: uma análise das companhias listadas na BM&FBOVESPA O presente trabalho objetiva analisar a relação entre o retorno acionário e a qualidade dos accruals das empresas brasileiras de capital aberto. Para tanto, a pesquisa contou com uma amostra de 353 empresas, com informações obtidas nos demonstrativos financeiros anuais de 2010 até 2015, dados em painel. Foi elaborada uma hipótese de pesquisa pertinentes à literatura no que diz respeito a qualidade dos accruals. Sendo confirmada a hipótese de que a qualidade dos accruals possui relação positiva e significativa com o retorno acionário. Conclui-se que os resultados da pesquisa corroboram em sua maioria a literatura prévia.El presente trabajo objetiva analizar la relación entre el retorno accionario y la calidad de los accruals de las empresas brasileñas de capital abierto. Para ello, la encuesta contó con una muestra de 353 empresas, con informaciones obtenidas en los estados financieros anuales de 2010 hasta 2015, datos en panel. Se elaboró una hipótesis de investigación pertinente a la literatura en lo que se refiere a la calidad de los accrual. Se confirma la hipótesis de que la calidad de los accruals tiene una relación positiva y significativa con el retorno accionario. Se concluye que los resultados de la investigación corroboran en su mayoría la literatura previa.