Análisis espacio temporal de la calidad del agua del epilimnium del sistema lacustre atillo magdalena del Parque Nacional Sangay

Abstract

This research aims to determine the relationship between temperature and physicochemical and chemical parameters of the Atillo-Magdalena lagoon located in the Guamote canton, Chimborazo province. Twelve sampling points were established (in each body of water, six were selected in the Atillo lagoon and 6 points respectively for the Magdalena lagoon) with the principle of randomness and considering free access for transport between lagoons, starting with the section at the entrance of the Atillo lagoon in a clockwise direction to cover its entire length. To cross to the following sampling site in the Magdalena lagoon, the sampling was carried out in May-November 2022. The electrical conductivity, dissolved oxygen, pH and temperature were determined in situ using the portable digital multiparameter and the water column's transparency with the Secchi disk's support. The parameters of nitrates, nitrites, phosphates, chlorides, and chlorophyll-a were analyzed in the Research-Development Group for Climate Change (GIDAC) laboratory of the Faculty of Sciences of the Higher Polytechnic School of Chimborazo with the guidelines of Standard Methods. The results of the water quality of the Atillo-Magdalena Lake system show good quality at the sampling points by the provisions of the water quality index (ICA-NSF). The software applied for statistical support of the analyses was SPSS Statistics. It showed that the Atillo and Magdalena lagoons in both the dry and rainy periods ranged from 73.83 to 85.17, which indicates a slight, considerable data variation, being the main parameter of alteration of the number of anions present in the temperature.

Therefore, considering a lagoon with a good quality index, it is recommended to analyze the nutrients in the water bodies.