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Article

Multitemporal Analysis of Land Use and Land Cover within an Oil Block in the Ecuadorian Amazon

by
Sergio Llerena-Montoya
1,
Andrés Velastegui-Montoya
1,*,
Bryan Zhirzhan-Azanza
1,
Viviana Herrera-Matamoros
1,2,
Marcos Adami
3,
Aline de Lima
4,
Francisco Moscoso-Silva
5 and
Luis Encalada
6,7
1
Facultad de Ingeniería en Ciencias de la Tierra (FICT), ESPOL Polytechnic University, Guayaquil P.O. Box 09-01-5863, Ecuador
2
Department of Geoinformatics—Z_GIS, University of Salzburg, 5020 Salzburg, Austria
3
Amazon Regional Center, National Institute for Space Research (INPE), Belém 66077-830, Brazil
4
Geoscience Institute, Federal University of Pará, Belém 66075-110, Brazil
5
United Nations Development Programme (UNDP), Integrated Amazon Program for Forest Conservation and Sustainable Production, PROAmazonía, Quito 170517, Ecuador
6
Centre of Geographical Studies, Institute of Geography and Spatial Planning, Universidade de Lisboa, 1600-276 Lisbon, Portugal
7
Universidad Espíritu Santo, Samborondón 092301, Ecuador
*
Author to whom correspondence should be addressed.
ISPRS Int. J. Geo-Inf. 2021, 10(3), 191; https://doi.org/10.3390/ijgi10030191
Submission received: 30 January 2021 / Revised: 8 March 2021 / Accepted: 19 March 2021 / Published: 23 March 2021
(This article belongs to the Special Issue Spatio-Temporal Models and Geo-Technologies)
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Abstract

The Ecuadorian Amazon is considered a biodiverse region, and at the same time contains the largest number of oil blocks and oilfields in the country. Oil exploitation requires the implementation of oil facilities and related infrastructure, such as roads, water, and energy supply, for operation. These large engineering works can alter the dynamics of the Amazonian natural ecosystems. This paper analyzes the land use and land cover (LULC) change and relates spatial patterns within an oil block located in the province of Orellana, Ecuador. The study was processed in two phases, the first corresponding to the collection and classification of LULC classes within the oil block. The second phase concerned the calculation of landscape metrics, with the purpose of quantitatively characterizing each class. This analysis was carried out for the pre-concession, post-concession scenarios of the oil block and the current scenario of the region. The results revealed that the low predominance of forest cover within the study region is not directly associated with the beginning of the Block 47 concession. On the other hand, a significant reduction of the Coca River was evidenced for the 2018 scenario.
Keywords: Ecuadorian Amazon; LULC; oilfields; petroleum exploration; spatiotemporal analysis; landscape metrics; environmental impact Ecuadorian Amazon; LULC; oilfields; petroleum exploration; spatiotemporal analysis; landscape metrics; environmental impact

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MDPI and ACS Style

Llerena-Montoya, S.; Velastegui-Montoya, A.; Zhirzhan-Azanza, B.; Herrera-Matamoros, V.; Adami, M.; de Lima, A.; Moscoso-Silva, F.; Encalada, L. Multitemporal Analysis of Land Use and Land Cover within an Oil Block in the Ecuadorian Amazon. ISPRS Int. J. Geo-Inf. 2021, 10, 191. https://doi.org/10.3390/ijgi10030191

AMA Style

Llerena-Montoya S, Velastegui-Montoya A, Zhirzhan-Azanza B, Herrera-Matamoros V, Adami M, de Lima A, Moscoso-Silva F, Encalada L. Multitemporal Analysis of Land Use and Land Cover within an Oil Block in the Ecuadorian Amazon. ISPRS International Journal of Geo-Information. 2021; 10(3):191. https://doi.org/10.3390/ijgi10030191

Chicago/Turabian Style

Llerena-Montoya, Sergio, Andrés Velastegui-Montoya, Bryan Zhirzhan-Azanza, Viviana Herrera-Matamoros, Marcos Adami, Aline de Lima, Francisco Moscoso-Silva, and Luis Encalada. 2021. "Multitemporal Analysis of Land Use and Land Cover within an Oil Block in the Ecuadorian Amazon" ISPRS International Journal of Geo-Information 10, no. 3: 191. https://doi.org/10.3390/ijgi10030191

APA Style

Llerena-Montoya, S., Velastegui-Montoya, A., Zhirzhan-Azanza, B., Herrera-Matamoros, V., Adami, M., de Lima, A., Moscoso-Silva, F., & Encalada, L. (2021). Multitemporal Analysis of Land Use and Land Cover within an Oil Block in the Ecuadorian Amazon. ISPRS International Journal of Geo-Information, 10(3), 191. https://doi.org/10.3390/ijgi10030191

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