Amazon landforms and soils in relation to biological diversity

Thirteen main landform units are distinguished for the whole of the forested Amazon region, each with Playing Cards its specific soil pattern and vegetation structure.These landform-soil-vegetation units are delineated on a small-scale map and illustrated by a schematic cross-section.Floristic diversity of the gamma type is to be highest on the ste

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Polyphenols: From Theory to Practice

Background: The importance Soft Doll of polyphenols in human health is well known; these compounds are common in foods, such as fruits, vegetables, spices, extra virgin olive oil and wine.On the other hand, the different factors that modulate the biological activity of these compounds are less well known.Conceptualization of the work: In this revie

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Mexican Migrants to the United States: an Alternative Methodology

Mexicans are the largest immigrant group in the United States.There is a lack of consensus about whether migrants from Mexico are positively or negatively selected.Data from the Mexican census suggest migrants are negatively selected while data from the U.S.census suggest intermediate selection.Both data sources undercount migrants, with Mexican so

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