Torrente de drenaje asociado a un campo paredado de Deià durante el temporal

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Neglected lands, abandoned countryside and erosion. The effect that land abandonment has on soil erosion is reviewed by the author, supported by his research which spans

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Foto: M. Domínguez El abandono del mundo rural durante el siglo, XX y especialmente en la segunda mitad, ha sido una constante en el ámbito del mediterráneo.

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Persistent organic pollutants and their accumulation in the biosphere. The manufacture and use, since 1940, of a

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Desertificación

Aproximadamente el 40% de la superficie terrestre (donde vive el 37% de la población mundial) está amenazada por el riesgo de desertificación. Este fenómeno amenaza todo el potencial biosférico de las zonas afectadas y tiene efectos transfronterizos y multisectoriales que inciden directamente en el cambio global.
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Oceans and global change. The oceans cover two thirds of

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© A. AguilellaSalaria fluviatilis, babosa de rio. Which fish are to be found in the Mediterranean rivers? A rich and diverse

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Change climate, change life. The available data on climate indicate that the Earth is indeed warming. This global

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Arqueas. Organismos procariotas que suelen encontrarse en hábitats extremos (alta temperatura, presión y/o salinidad) y que constituyen, junto con bacterias y eucariotas, uno de los tres

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What about the other genomes? 1995 saw the publication of the first complete genome sequences of prokaryotic cells and a year later the first sequences of an eukaryotic organism were

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The genome and the complexity of living beings. The genome of an organism is the total dna content of its cells, including genes and intergenic regions. In prokaryotes (Archaea and

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The biology of “sex-appeal”: mate selection in humans. Until recently, it was thought that standards for physical

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 El punto de no retorno: presente y futuro de la sexualidad humana. Actualmente, la selección natural continúa influyendo en las poblaciones humanas, condicionando nuestra forma de ser y nuestro comportamiento.

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Homosexual behaviour in humans: What do studies with primates show? Despite its wide diffusion, homosexual behaviour

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Post-copulatory sex selection: sperm competitiveness and selection. In the last 20 years research into the reproductive

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La alta producción de espermatozoides por parte de los machos, en comparación con el número relativamente bajo

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Plant sexuality. Plant sexuality is much more complex than we could have imagined The absence of movement

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Cópula de dos lagartijas ibéricas (Podarcis hispanica). Durante la cópula el riesgo de ser depredado es alto,

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 El sexo es un tema de trascendental importancia en nuestras vidas por muchas razones diferentes. La más evidente es que todos nosotros existimos como consecuencia de las relaciones sexuales que

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Cork: the natural guardian of wines. The cork oak (Quercus suber) covers its trunk and branches

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Wine: food, drug or medicine perhaps? In this article the author looks at the many beneficial effects of

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Innovative oenological biotechnology. In recent years, many winemakers have started to use pure wine yeast strains to

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Plant heritage: vine varieties. The vineyards of Catalunya and Valencia posses a heritage of vine varieties, in

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Wine: culture and economy. Above all, wine is a food product, which, on gaining commercial importance, has

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