Dynamics of the multi-temporal behavior of the vegetal cover in a climatic system of the Central Highland
Grover German Miranda Balboa
Keywords:
multi-temporal, climate system, satellite images, facets of aridity, vegetal coverAbstract
The peculiarity of the dynamics of the multi-temporal behavior of the vegetal cover of the municipality of Patacamaya of La Paz, Bolivia, characterized a climatic system of the Central highland, responding the influence of the climate on the water resources. It is necessary to evaluate the trend of change of these coverages in the Central Highlands, taking as a case study the municipality of Patacamaya, the main producer of many Andean crops as well as livestock. To this end, Landsat 5TM satellite multi-temporal images were evaluated for the month of February 1987, 1990, 1991, 1997; Landsat 7 ETM for the month of December of the years 1995, 1999, a satellite image Landsat 8 OLI_TIRS for the month of December of the year 2014 and two satellite images 8OLI_TIRS for the month of February of the years 2014 and 2015. The dynamics of the multi-temporal behavior of the coverage vegetable registered a total between crops and native vegetation cover of 973.3 ha in 1995 with a precipitation of 356.2 mm during a dry year from 1995 to 1996 as opposed to a total between crops and native vegetation cover of 1870.2 ha of 2014 with a precipitation of 378.9 mm during a dry year from 2013 to 2014. February recorded a total between crops and native vegetation cover of 16547.4 ha in 1987 with a rainfall of 524.4 mm during a wet year from 1986 to 1987 as opposed to a total between crops and vegetative cover native of 16856.5 ha of 2014 with a rainfall of 378.9 mm during a dry year from 2013 to 2014. The differences in the quantification of vegetation cover are related to the successional dynamics of some species whose roots capture and infiltrate rainwater allowing the recharge in the aquifers and bofedales that acted as regulators of the water cycle.
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Revista de Investigación e Innovación Agropecuaria y de Recursos Naturales por Instituto de Investigaciones Agropecuarias y de Recursos Naturales, Facultad de Agronomía, Universidad Mayor de San Andrés se distribuye bajo una Licencia Creative Commons Atribución-NoComercial-CompartirIgual 4.0 Internacional.
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