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Showing items 1 through 9 of 31.
  1. Library Resource
    Journal Articles & Books
    December, 2001
    Colombia, Central America, South America
  2. Library Resource
    Journal Articles & Books
    December, 2001
    Colombia, South America

    Se cuantificó la biodiversidad, abundancia y biomasa de la macrofauna en diferentes usos del suelo utilizando la metodología propuesta por el programa Tropical Soil Biology and Fertility (TS.B.F.).
    La mayor biodiversidad la presento el cacaotal (47 u.-t.), mientras que el tratamiento con mulch tiller tuvo la mayor abundancia (122 ind/0.062 m2) y el sistema de siembra directa la mayor biomasa (5.44 g/0.062 m2).

  3. Library Resource
    Journal Articles & Books
    December, 2001
    Colombia

    This was especially due to the presence of a large glossoscolecid anecic species, Martiodrilus carimaguensis Jim\233nez and Moreno, which has been greatly favored by conversion of savanna to pasture. Endogeic species were dominant in the natural savanna whereas the anecic species accounted for the 88% of total earthworm biomass in the pasture. Total earthworm density and biomass were significantly different in the two systems studied (t-test).

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