FITORREMEDIACIÓN

Desde las gélidas planicies de Marte a las explosiones de rayos X que emergen de las fauces de un agujero negro, el Universo es un reino de hielo y fuego, violencia y tranquilidad, desolación y belleza. El Universo y sus confines transporta al lector a un viaje realista y lleno de encuentros, desde la Tierra hasta los confines más remotos del Universo.

In analysing the development and achievements of Polish forestry and forest industries over the last four decades, it is necessary to take into consideration the situation prevailing after the end of the Second World War, when these sectors of the national economy were starting their activities. First of all, it is necessary to consider the effects of the war such as: (a) the harvesting from the forests of the present Polish territory of 3 about 200 million m of merchantable wood, which is equal to the normal harvest over a l2-year period; (b) the destruction of over half the woodworking...

La riqueza de ecosistemas en Mexico incluye la selva seca, variante de la selva tropical que en temporada de sequia deja su exuberante vegetacion para adaptarse al clima. Este cambio es el motor evolutivo de una gran diversidad biologica: cerca de 20% de especies del total de la flora en Mexico y, mayor a lo esperado, una gran diversidad faunistica. Aunque este ecosistema principalmente se encuentra a lo largo del Pacifico, su extension no ha ayudado a comprender su cuidado e importancia. A traves de esta obra, los interesados conoceran, entre otros temas, a los vertebrados e invertebrados...

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