Diversity of the genus Drosophila (Diptera, Drosophilidae) in the Papallacta páramo, Pichincha, Ecuador

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María Luna Figuero
Violeta Rafael

Abstract

This study was conducted in forests of Polylepis located between 3 700 and 4 000 m above sea level. These ecosystems are threatened by fragmentation from deforestation. As fragmentation increases and the amount of remaining habitat decreases, the ecosystem diversity may be reduced. We selected three forest patches of Polylepis. In each patch we established a transect of 120 m divided into seven sampling sites. We captured 572 individuals belonging to eight species of the genus Drosophila. One of the patches had the highest abundance and greater diversity of fruit flies and plants. We did not capture cosmopolitan species in any of the patches, indicating that these forests are in good condition. However an  alternative explanation could be that the low temperatures of the páramo are acting as a barrier to dispersal of cosmopolitan species from lower elevations and other locations.

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1.
Figuero ML, Rafael V. Diversity of the genus Drosophila (Diptera, Drosophilidae) in the Papallacta páramo, Pichincha, Ecuador. REMCB [Internet]. 2017Aug.14 [cited 2024May18];34(1-2):151-65. Available from: https://remcb-puce.edu.ec/remcb/article/view/241
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Artículos Científicos

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