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dc.contributor.authorMoreno Cuesta, Eduardo 
dc.contributor.authorZabalo Torrejón, Alberto José 
dc.contributor.authorGonzález Algarra, Encarnación 
dc.contributor.authorÁlvarez, Reinaldo
dc.contributor.authorJiménez, Victor Manuel
dc.contributor.authorMenéndez Calle, Julio
dc.identifier.citationMoreno, E., Zabalo, A., Gonzalez, E., Alvarez, R., Jimenez, V. M., & Menendez, J. (2021). Affordable Use of Satellite Imagery in Agriculture and Development Projects: Assessing the Spatial Distribution of Invasive Weeds in the UNESCO-Protected Areas of Cuba. In Agriculture (Vol. 11, Issue 11, p. 1057). MDPI AG.
dc.identifier.issn2077-0472 (electrónico)
dc.description.abstractThe effective and regular remote monitoring of agricultural activity is not always possible in developing countries because the access to cloud-based geospatial analysis platforms or expensive high-resolution satellite images are not always available. Herein, using paid high-resolution satellite images first and then free medium-resolution satellite images, we aimed to develop a cost-free, affordable method for regularly mapping the spatial distribution of sicklebush (Dichrostachys cinerea), an archetypal allochthonous invasive plant in Cuba that is becoming impossible to control owing to its rapid growth in areas planted with sugar cane in the Trinidad-Valle de los Ingenios area (Cuba), a UNESCO World Heritage Site. Two types of images were used (WorldView-2 and Landsat-8); these were subjected to supervised classification, with accuracy values of 88.7% and 93.7%, respectively. Vegetation cover was first derived from the purchased WorldView-2 image, and this information was then used as the training field to obtain spectral signatures from the Landsat-8 free image so that Landsat images may be regularly used to monitor D. cinerea infestations. The results obtained in the spatial distribution map for sicklebush in the Landsat-8 images had an overall reliability of 93.7% and a Kappa coefficient reliability of 91.9%. These values indicate high confidence in the results, which suggests that sicklebush has invaded 52.7% of the total 46,807.26-ha area of the Trinidad-Valle de los Ingenios. This process proved extremely effective and demonstrated the benefits of using high-resolution spatial images from which information can be transferred to free satellite images with a larger pixel size.es_ES
dc.description.sponsorshipThis study was funded by the Spanish Agency for International Development and Cooperation (AECID) [grant number 11 CAP2 1423] and the Andalusian Agency for International Development and Cooperation (AACID) [grant number 2017DEC013]es_ES
dc.relation.isversionofPublisher’s version
dc.rightsAtribución-NoComercial-SinDerivadas 3.0 España*
dc.subject.otherSupervised classificationes_ES
dc.subject.otherSpatial distributiones_ES
dc.titleAffordable Use of Satellite Imagery in Agriculture and Development Projects: Assessing the Spatial Distribution of Invasive Weeds in the UNESCO-Protected Areas of Cubaes_ES
dc.subject.unesco31 Ciencias Agrariases_ES

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