Mexico is the main center of diversity of the genus Quercus in the Western Hemisphere. Despite recent advances in the knowledge of Mexican oaks, a degree of taxonomic confusion still remains, mainly within particular species complexes. In this study, scanning…

This paper discusses the concept of cleaner production and proposes a new model to stimulate cleaner production, in the first section the historical development of cleaner production is sketched. It is indicated that the approach gained much attention in the…

By determining the specific composition, spatial distribution and population dynamics of flatfish species captured in shrimp trawls' bycatch in the Gulf of California, this study aims to contribute to the knowledge of bycatch fish population which has thus far been…

Worldwide, the study of fold and thrust belts and characterization ofstructures are mainly carried out through superficial geological observations and seismic reflection, as the main geophysical prospecting method. In this study we show how the resistivity method is a useful…

In a rural watershed in Chile, the scarce groundwater available represents almost the only water source both for agriculture and domestic use. This water has microbiological quality problems, which result in an agricultural and local economic development constraint. Contamination can…

Seed banks have been studied to a greater extent in agriculture than in forestry due to long-standing concerns about the threat to agricultural crops posed by weed species. However, in forest areas seed banks have an important influence on plant…

Funding R&D projects is perhaps the most important task faced by large public organizations, in charge of promoting science and technology in different countries. However, most popular ways to solve this decision problem are based on too simple decision models…

When people think spatially, they do not usually consider geographic coordinates nor projections. Facing questions having a spatial sense, people do not answer with maps or coordinates, but use some references whose spatial location is "well known". For instance, the…

Background: There is a high degree of misinformation given to the relatives of patients treated in the Ambulatory Pediatrics Unit at the Hospital Infantil de México Federico Gómez. The factors that contribute to this problem are diverse. Therefore, the practice…

This paper examines the changing role of government and foreign firms in Malaysia's industrialization process. Economists have held different views on the role of government in industrialization. Some believed that the developing world was full of market failures and the…