The betania reservoir is one of the most important water bodies in colombia, genera

Abstract

The betania reservoir is one of the most important water bodies in colombia,
generating energy, fishing activity and economic contribution to the region of
huila. the objective of the present study was to characterize the different
zooplankton species, bio-indicators of the water quality present in the betania
dam (huila department) between the years 2013-2015. ten sampling points were
determined by collecting zooplanktonic microorganisms using two methods:
depth - depth 1ds and 3ds, followed by the horizontal method and the taxonomy
of zooplankton was determined. inferential analyzes of two factors, using the
general linear model, repeated measures anova and the kruskal-wallis test as a
non-parametric alternative: (p≤0.05). a total of 32 different species of
zooplanktonic microorganisms (individuals/mL) were found, where 55%
corresponded to the genus copepod (nine species), 26% to the cladocera genus (8
species) and 19% to the genus rotifera, with 15 species of zooplankton
microorganisms identified. comparing zooplankton evolution in 1991 in the
betania reservoir where 23 species and 7 families, represented by a species of
copepod, three species of cladocerans and 19 species of rotifers were found. in
this study (2013-2015) were discovered 32 species, that is to say nine previously
unobserved species: 11 families (four new), eight species of copepods (seven
new), nine cladoceran species and 15 rotifers. this represented a significant
increase of 39% more species and 57% more families.