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Showing items 1 through 9 of 19.
  1. Library Resource
    Journal Articles & Books
    December, 2001
    Colombia, Central America, South America

    From April to September 1994, macrofauna density, total biomass, and species diversity of earthworms were measured across a range of land use types in the Cabuyal River watershed. The methodology recommended by the Tropical Soil Biology and Fertility (TSBF) Program was used. Macrofauna density, biomass, and diversity of earthworm species varied considerably across land use types, and depths. Initial factor analysis yielded three factors that accounted for 71.8% of the total variance in macrofauna density.

  2. Library Resource
    Journal Articles & Books
    December, 2001
    Colombia, Central America, South America

    The effects of different types of land management on the soil macroinvertebrate communities on acid soil savannas of Colombia have been assessed using the Tropical Soil Biology and Fertility Program (TSBF) methodology. Invertebrates were identified among broad taxonomic units, TU (Orders or Families), counted and grouped in larger units, i.e., earthworms, termites, ants, beetles, spiders, miriapods, and "other invertebrates".

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