Establecimiento y medición de parcelas para el seguimiento y monitoreo de la vegetación en 4 zonas de Cundinamarca bajo restauración asistida (Villapinzón, Bojaca, Granada y Usme)

Abstract

Analysis of the status and progress of four areas under active restoration in the municipalities of Bojaca, Granada, Usme and Villapinzón with altitudes of 2608, 2436, 3100 and 2692 meters respectively, with information from 10 permanent plots of 500m2 set was carried out end of 2014 in order to monitoring them, the plots were distributed in 4, 3, 2 and 1 for Bojaca, Usme, Granda and Villapinzón respectively, in the installation, all planted individuals were marked, later became a first measurement ( between late 2014 and early 2015) where they were tagged and measured all individuals including those who had not been initially planted using the Field map (software and hardware) also allowed the mapping of the same and the plots formation in Field more accurate way, besides some phytosanitary variables were determined, for the second measurement mid 2015 (6 months approximately) a total of 316 individuals, 8 families, 11 genera and 12 species Bojaca, 153 individuals were recorded, 13 families, 17 genera and 17 species to Granada, 106 individuals, 11 families, 13 genera and 17 species and 66 individuals Usme 6 families, 7 genera and 8 species Villapinzón, generally height planted individuals has no more than one meter high, except for Granada where species such as Alnus acuminata record values above that value, between the two values of coverage measurements showed an increase of 71%, 203%, 288% and 78% diameter values 23%, 42% and 27% and 12% up 12%, 34%, 21% and 7% for Bojacá, Granada, Usme and Villapinzón respectively, these high growth stocks show the young age of restoration. According IVI we determined that Chromolaena leivensis, Rubus sp, ulex europaeus and Baccharis macrantha were the most important species for Bojacá, Granada, Usme and Villapinzón respectively with values 99.53%, 63.18% and 67.9% 130.81 the prevalence of invasive species indicates the urgency of advancing maintenance activities, because in all cases except for Villapinzón dominant species are new individuals, regarding healing we have 41.4%, 67.3, and 49% 100% of individuals were affected by some kind of damage to Bojacá, Granada, Usme and Villapinzón in that order. Finally we found mortality rate increased between 0 and 5% for 9 of the 10 plots, however for plot 1 Bojaca this value was 52%, this mainly to the area passing through a time of drought and also in this area there is a constant traffic of livestock and tourists, the maximum mortality values were record for Usme with values between 20 and 82%, reflecting the difficult environmental conditions that develop in the area (frost) and the consequences of economic activities (livestock) on the restoration, in this context management recommendations about the area to meet the goals outlined in the master plan of restoration carried out by the CAR are given.