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Boletín Científico. Centro de Museos. Museo de Historia Natural
Print version ISSN 0123-3068
Abstract
ESCORCIA G, Ruth Yesenia; MARTINEZ H, Neis José and SILVA T, Jessica Paola. STUDY OF SPIDERS' DIVERSITY IN A TROPICAL DRY FOREST (BS-T) IN SABANALARGA, ATLÁNTICO, COLOMBIA. Bol. Cient. Mus. Hist. Nat. Univ. Caldas [online]. 2012, vol.16, n.1, pp.247-260. ISSN 0123-3068.
This work shows how the composition and structure of arachnofauna in the Rural Reserve la Sierra (RCS in Spanish), Sabanalarga municipality, department of Atlántico, Colombia was evaluated. Five samplings were collected between August and December 2009. Three habitats were selected: Farming (Farm), Interior Forest (I.F) and Forest Edge (FE). A total of 879 individuals grouped in 29 families and 68 morphoespecies were collected. The Araneidae family presented the greatest richness (23) and abundance (433). The IF presented the greatest richness (55) and abundance (334), while in December, the greatest number of morphospecies (24) and individuals (300) were captured. The group of Cursorial Spiders (CS) presented greater richness (9) and the greatest abundance in Orbicular Web Construction (OWC), 504. In spite of covering a relatively small area, the RCS produced a high percentage of the families reported for the country, demonstrating that this forest still keeps a high diversity of spiders.
Keywords : Araneidae; Araneus sp1; composition; OWC; guilds; RCS.