Impact of changes in average temperature and land cover on components of the water balance in the Teatinos River basin, Páramo Rabanal, Colombia

In the national context, there are studies that confirm that the change in the average temperature in the Colombian páramos motivates the expansion of the agricultural frontier and expansive livestock farming and violates the ecosystem services of the hydrographic basins. Therefore, in the present s...

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Main Author: Yulia Ivanova
Format: Article
Language:English
Published: Fund for Support and Development of Protected Areas "Bear Land" 2022-10-01
Series:Nature Conservation Research: Заповедная наука
Subjects:
Online Access:http://ncr-journal.bear-land.org/article/390
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author Yulia Ivanova
author_facet Yulia Ivanova
author_sort Yulia Ivanova
collection DOAJ
description In the national context, there are studies that confirm that the change in the average temperature in the Colombian páramos motivates the expansion of the agricultural frontier and expansive livestock farming and violates the ecosystem services of the hydrographic basins. Therefore, in the present study the effect of climate change on the change in land cover and various components of the water balance of the River Teatinos basin of the Rabanal páramo was evaluated, which is important from the point of view of biodiversity and water supply for the city of Tunja. This evaluation was carried out with the construction of the distributed water balance where the real evapotranspiration was identified depending on the vegetation cover that were characterised through remote sensing tools. The climatic analysis indicates that the increase in temperature explains 62% of the increase in evapotranspiration and the registered increase in rainfall explains 47.2% of the advance in forest cover. The advance of the forest cover (open and gallery forest) generates the contraction of the páramo grass cover. The 75%-reduction in the area of páramo coverage is explained by the expansion of the forest. It was obtained that the crop cover did not have a significant change. In relation to the impact on water availability, no significant change is observed because the increase in precipitation is offset by an increase in evapotranspiration, indicating possible mechanisms of resilience of the hydrographic basin to the phenomenon of global climate change.
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spelling doaj.art-77a96cd872674cd8b5d6924685d758d82022-12-22T02:05:50ZengFund for Support and Development of Protected Areas "Bear Land"Nature Conservation Research: Заповедная наука2500-008X2022-10-0174425410.24189/ncr.2022.035Impact of changes in average temperature and land cover on components of the water balance in the Teatinos River basin, Páramo Rabanal, ColombiaYulia Ivanova0https://orcid.org/0000-0001-8836-5175Universidad Militar Nueva GranadaIn the national context, there are studies that confirm that the change in the average temperature in the Colombian páramos motivates the expansion of the agricultural frontier and expansive livestock farming and violates the ecosystem services of the hydrographic basins. Therefore, in the present study the effect of climate change on the change in land cover and various components of the water balance of the River Teatinos basin of the Rabanal páramo was evaluated, which is important from the point of view of biodiversity and water supply for the city of Tunja. This evaluation was carried out with the construction of the distributed water balance where the real evapotranspiration was identified depending on the vegetation cover that were characterised through remote sensing tools. The climatic analysis indicates that the increase in temperature explains 62% of the increase in evapotranspiration and the registered increase in rainfall explains 47.2% of the advance in forest cover. The advance of the forest cover (open and gallery forest) generates the contraction of the páramo grass cover. The 75%-reduction in the area of páramo coverage is explained by the expansion of the forest. It was obtained that the crop cover did not have a significant change. In relation to the impact on water availability, no significant change is observed because the increase in precipitation is offset by an increase in evapotranspiration, indicating possible mechanisms of resilience of the hydrographic basin to the phenomenon of global climate change.http://ncr-journal.bear-land.org/article/390climate changeecosystem servicemoorremote sensingvegetation coverwater availability
spellingShingle Yulia Ivanova
Impact of changes in average temperature and land cover on components of the water balance in the Teatinos River basin, Páramo Rabanal, Colombia
Nature Conservation Research: Заповедная наука
climate change
ecosystem service
moor
remote sensing
vegetation cover
water availability
title Impact of changes in average temperature and land cover on components of the water balance in the Teatinos River basin, Páramo Rabanal, Colombia
title_full Impact of changes in average temperature and land cover on components of the water balance in the Teatinos River basin, Páramo Rabanal, Colombia
title_fullStr Impact of changes in average temperature and land cover on components of the water balance in the Teatinos River basin, Páramo Rabanal, Colombia
title_full_unstemmed Impact of changes in average temperature and land cover on components of the water balance in the Teatinos River basin, Páramo Rabanal, Colombia
title_short Impact of changes in average temperature and land cover on components of the water balance in the Teatinos River basin, Páramo Rabanal, Colombia
title_sort impact of changes in average temperature and land cover on components of the water balance in the teatinos river basin paramo rabanal colombia
topic climate change
ecosystem service
moor
remote sensing
vegetation cover
water availability
url http://ncr-journal.bear-land.org/article/390
work_keys_str_mv AT yuliaivanova impactofchangesinaveragetemperatureandlandcoveroncomponentsofthewaterbalanceintheteatinosriverbasinparamorabanalcolombia