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Acta Biológica Colombiana
Print version ISSN 0120-548X
Abstract
PADILLA GIL, DORA NANCY and GARCIA LOPEZ, JUAN PABLO. Analysis of the Geographical Distribution of Gerridae (Hemiptera, Gerromorpha) in the Andes of Southwestern Colombia. Acta biol.Colomb. [online]. 2013, vol.18, n.2, pp.381-390. ISSN 0120-548X.
We present the geographical and altitudinal distribution of the Gerridae family on the western slopes of the Western Cordillera of Andes in southwestern Colombia. The specimens were captured in different water bodies, eight sampling sites, during 2009 and 2010. Taxonomic composition was analyzed with respect to geographical and altitudinal range, biomes and the similarity between areas. The geographical distribution of the Gerridae is related to geographic area, foothills and Plain Pacific, altitudinal range (0-2000 masl) and features of type of biome. The communities of Gerridae from Pacific Plain are in the same Zonobioma but differ in taxonomic composition due to differences in water bodies and microhabitats own. On the other hand we show the inverse relationship between altitude and species richness.
Keywords : altitude; biome; Chocó biogeographical; Cordillera Occidental; Pacific slope.