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Como Llevar la Ciencia a la Practica Alamos Y Otras Especies en la Region Norte Tres de China

By Carle, Jim

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Book Id: WPLBN0000117287
Format Type: PDF eBook
File Size: 0.2 MB
Reproduction Date: Available via World Wide Web.
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Title: Como Llevar la Ciencia a la Practica Alamos Y Otras Especies en la Region Norte Tres de China  
Author: Carle, Jim
Language: English
Subject: United Nations., Food and Agriculture Organization of the United Nations. FAO agriculture series, Agriculture
Collection: United Nations Food and Agriculture Organization Collection
Publication Date:
Publisher: Food and Agriculture Organization of the United Nations; Digitizer: Fao

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Excerpt: La destrucci›n de la cubierta vegetal natural de los Arenales de Korqin, en la parte oriental de la Regi›n Norte Tres de China, empez› hace unos mil a?os. La desertificaci›n gradual, causada principalmente por actividades humanas (pastoreo excesivo, extracci›n de madera, cultivos migratorios y labranza en tierras arenosas) se ha acelerado desde el siglo XX (v?ase la Figura). Vientos muy fuertes, que soplan de 25 a 40 días al a?o, sobre todo en primavera y en invierno, son los principales agentes de desertificaci›n y suelen ir unidos a la generaci›n de tormentas de polvo.


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