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Pastos y Forrajes

Print version ISSN 0864-0394On-line version ISSN 2078-8452

Abstract

SOCARRAS-RIVERO, Ana América. Diversity of the edaphic mesofauna in three soil uses in the Mayabeque province, Cuba. Pastos y Forrajes [online]. 2018, vol.41, n.2, pp.123-130. ISSN 0864-0394.

The objective of the study was to characterize the mesofauna diversity in three soil uses in the Güines municipality Mayabeque province, Cuba. The studied systems were: silvopastoral system, secondary forest and cultivated pastureland. Five samples were taken in the first 10 cm of soil in each, during the rainy season. For the data analysis range/abundance curves were constructed, and the community coefficient (CC) and proportional similarity coefficient (PS) were calculated. A total of 399 edaphic microinvertebrates belonging to two classes, five orders and 19 families, were collected. The best represented order was Oribatida. The dominance-diversity curves showed, in the silvopastoral system, a more homogeneous distribution of its groups. In the secondary forest the highest quantity and diversity of detritivorous and exclusive families was obtained. In the secondary forest and the silvopastoral system, the CC showed the highest similarity in the composition of its taxa. In addition, the PS confirmed the similarity among the abundance values of both systems. In the use pastureland the minimum abundance and diversity values of these fauna groups were obtained, corroborated by CC and PS. The detritivores/predators and Oribatida/Astigmada ratios were favorable for detritivores in the three soil uses. It is concluded that the secondary forest and the silvopastoral system facilitate the re-colonization of edaphic communities and the conservation of their function; in addition, systems with trees contribute to the conservation of the soil biological quality.

Keywords : secondary forest; predators; Leucaena leucocephala.

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