Conversion of Andean montane forest to exotic forest plantation modifies soil physicochemical properties in the buffer zone of Ecuador's Podocarpus National Park

Vinicio Carrión-Paladines; Ángel Benítez; Roberto García-Ruíz

doi:10.1016/j.fecs.2022.100076

Forest Ecosystems 2022, 9(6): 100076 https://doi.org/10.1016/j.fecs.2022.100076

Research Article |

Open Access | Issue | Published: 02 December 2022

Conversion of Andean montane forest to exotic forest plantation modifies soil physicochemical properties in the buffer zone of Ecuador's Podocarpus National Park

Show Author's Information Hide Author's Information Vinicio Carrión-Paladines^{^a}(

), Ángel Benítez^{^a}, Roberto García-Ruíz^{^b}

Departamento de Ciencias Biológicas y Agropecuarias, Universidad Técnica Particular de Loja, San Cayetano Alto s/n, C.P. 11 01 608, Loja, Ecuador

Departamento de Biología Animal, Biología Vegetal y Ecología, Sección de Ecología, Universidad de Jaén, Campus Las Lagunillas, Edificio Ciencias Experimentales y de la Salud (B3), 23071, Jaén, Spain

Keywords:

Andean montane forests, Land use conversion, Edaphic properties

Cite this article:

Carrión-Paladines V, Benítez Á, García-Ruíz R. Conversion of Andean montane forest to exotic forest plantation modifies soil physicochemical properties in the buffer zone of Ecuador's Podocarpus National Park. Forest Ecosystems, 2022, 9(6): 100076. https://doi.org/10.1016/j.fecs.2022.100076

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Abstract Full text About this article

Abstract

Background

Andean montane forests (AMF) are biodiversity hotspots that provide fundamental hydrological services as well as carbon storage and sequestration. In recent decades, southern Ecuador AMFs have been seriously threatened by increased logging and conversion to forest plantations with exotic species. In this context, our main objective was to evaluate the effects of AMF conversion to forest plantations on soil physicochemical properties in the buffer zone (Bz) of the Podocarpus National Park (PNP), in southern Ecuador. For this purpose, random samples were taken at a depth of 0–10 cm in four plots in each contrast zone and analyzed for bulk density, porosity, textural class, leaf litter depth, soil pH, as well as the contents of organic matter (SOM), soil organic carbon (SOC), total nitrogen, and available phosphorus and potassium.

Results

The results indicate that the conversion of AMFs produces an increase in bulk density and a decrease in SOM, SOC, and total nitrogen contents, thus modifying soil properties, which could result in a decrease in water regulation capacity and produce an increased risk of soil erosion. This accelerates degradation processes, as well as threatens shortages of the drinking water supply.

Conclusions

This study can help decision-makers to implement soil management plans in the Bz of the PNP, based on the implementation of new regulations, where the conservation of AMF is promoted. In addition, it is recommended to apply environmental restoration strategies in the anthropized areas of the AMF, as well as in the areas with exotic eucalyptus and pine plantations.

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About this article

Conversion of Andean montane forest to exotic forest plantation modifies soil physicochemical properties in the buffer zone of Ecuador's Podocarpus National Park

Show Author's information Hide Author's Information Vinicio Carrión-Paladines^{^a}(

), Ángel Benítez^{^a}, Roberto García-Ruíz^{^b}

Departamento de Ciencias Biológicas y Agropecuarias, Universidad Técnica Particular de Loja, San Cayetano Alto s/n, C.P. 11 01 608, Loja, Ecuador

Abstract

Background

Results

Conclusions

Keywords: Andean montane forests, Land use conversion, Edaphic properties

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Received: 06 July 2022

Revised: 09 November 2022

Accepted: 21 November 2022

Published: 02 December 2022

Issue date: December 2022

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Acknowledgements

Our thanks to the Universidad Técnica Particular de Loja for funding this research (PROY_INV_CCBIO_2020_2773). Special thanks to Gregory Gedeon for proofreading the English text.

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