Earthworms communities in native savannas and man-made pastures of the Eastern plains of Colombia

By:

Jiménez Jaén, Juan José

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Material type: Article

ArticleLanguage: English Description: p. 51-68Subject(s): LOC classification:

QH 84 .8 N3

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In: In: Jiménez Jaén, Juan José; Thomas, Richard J. (eds.). Nature's plow: Soil macroinvertebrate communities in the neotropical savannas of ColombiaSummary: 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). The results indicate a clearly positive response of earthworm communities to improved pastures, a type of land use that is increasingly adopted in moist neotropical savannas.

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Item type	Current library	Collection	Call number	Copy number	Status	Date due	Barcode	Item holds
Books	CIAT Library CIAT Publications	CIAT Publications	QH 84 .8 N3 (Browse shelf(Opens below))		Available
Book Chapters	CIAT Library Web	Electronic Document	QH 84 .8 N3 (Browse shelf(Opens below))	c.1	Available

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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). The results indicate a clearly positive response of earthworm communities to improved pastures, a type of land use that is increasingly adopted in moist neotropical savannas.