Melolonthidae (Coleoptera: Scarabaeoidea) assembly associated to pastures in Caqueta (Colombia) and its possible relationship with soil health
The Caquetá hillsidezone is a part of the Colombian Amazon region (mean pluvial precipitation 3600 mm; 260 m.a.s.l., 26ºC). It shows a mega diverse environment, ecologically fragile as the soils have been increasingly degraded. This research had the purpose of monitoring biological aspects of degraded soils resulting from extensive livestock production systems.A comparative sampling of richness and abundance variation of edaphic scarabs on cattle ranches of five municipalities (San Vicente del Caguãn, El Doncello, Belén de los Andaquíes, Albania y Valparaíso) was used. Adults were sampled using light traps and larvae by excavation of soil quadrants on pasture and forest relict plots during dry and rainy seasons. 26 Melolonthidae species were recorded, a moderate diversity assemblage including 16 and 2 new records for the Caquetá Department and Colombia, respectively. 475 larvae and 11 morphospecies were collected, their distribution and abundance varied significantly according to management, seasons and localities, highlighting the low beta diversity of the region (11 species) and the low alpha diversity by municipalities (five species), including /ust
| Main Authors: | , , , , |
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| Format: | Digital revista |
| Language: | spa eng |
| Published: |
Universidad Nacional de Colombia - Sede Palmira
2011
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| Online Access: | https://revistas.unal.edu.co/index.php/acta_agronomica/article/view/28782 |
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