Rolando Salas Lopez

National University Toribio Rodríguez de Mendoza · INDES-CES INVESTIGACION

Wildfire represents a significant threat to ecosystems and communities in the Department of Amazonas, Peru, causing losses in biodiversity and land degradation and affecting socioeconomic security. The objective of this study was to analyze the spatial and temporal distribution of burned areas (BAs) from 1986 to 2023 to identify recurrence patterns...

Lake Burlan, a lentic ecosystem artificially created by untreated runoff from adjacent rice fields, is located in the Amazon region within the dry forests of northern Peru. This body of water plays a fundamental role in agriculture and recreational activities in the area, which are fundamental to the local economy. This research aimed to evaluate t...

Urban growth and Land Use/Land Cover (LULC) changes have increased in recent decades due to anthropogenic activities. This study explored past and projected future LULC changes and urban growth patterns in the Bagua Grande and Chachapoyas districts using Landsat imagery, cloud computing, and predictive models for 1990 to 2031. The analysis of satel...

Monitoring and evaluation of landscape fragmentation is important in numerous research areas, such as natural resource protection and management, sustainable development, and climate change. One of the main challenges in image classification is the intricate selection of parameters, as the optimal combination significantly affects the accuracy and...

Participatory Geographic Information Systems (PGIS) combine geographic information with citizen or community participation to integrate local knowledge with issues related to natural resource management, territorial planning, and environmental pollution that are fundamental to decision-making. However, the current challenge is involving and educati...

Human activities have intensified soil erosion globally, negatively impacting the physical, chemical, and microbiological quality of water and soil. This study estimated soil loss in the Jucusbamba Micro-Watershed (Amazonas, northwestern Peru) using the Revised Universal Soil Loss Equation (RUSLE) integrated with Geographic Information Systems (GIS...

Participatory Geographic Information Systems (PGIS) combine geographic information with citizen or community participation to integrate local knowledge with issues related to natural resource management, territorial planning, and environmental pollution that are fundamental to decision-making. However, the current challenge is involving and educati...

Careful landfill selection with minimal environmental impact is vital for urban planners. This study aims to identify suitable sites for controlled landfills using Fuzzy-AHP integrated with Remote Sensing and GIS, considering a 20-year projection of population and solid waste generation. Initially, twelve sub-criteria were identified, grouped into...

One of the world’s major agricultural crops is rice (Oryza sativa), a staple food for more than half of the global population. In this research, synthetic aperture radar (SAR) and optical images are used to analyze the monthly dynamics of this crop in the lower Utcubamba river basin, Peru. In addition, this study addresses the need to obtain accura...

The genus Cinchona L. has important medicinal, cultural, and economic value and is the emblematic tree of Peru. The genus is mainly found in the cloud forests of the Andes. However, the expansion of agriculture and livestock farming in the department of Amazonas is degrading these ecosystems and has reduced the size of the genus’s populations. In t...

Los humedales de la ecorregión de jalca, en los Andes del norte de Perú, forman turba y desempeñan un papel fundamental en los servicios ecosistémicos hidrológicos de la ecorregión. Aunque la turba es mundialmente valorada por el secuestro y almacenamiento de carbono, aún no se han mapeado las turberas en la jalca. En esta región, la catarata de Go...

The wetlands of the jalca ecoregion in the Andes of northern Peru form peat and play a major role in the hydrological ecosystem services of the ecoregion. Although peat is globally valued for carbon sequestration and storage, peatlands have not yet been mapped in the jalca. In this region, the Gocta waterfall, one of the 20 highest waterfalls in th...

Unmanned Aircraft Systems (UAS) are used in a variety of applications with the aim of mapping detailed surfaces from the air. Despite the high level of map automation achieved today, there are still challenges in the accuracy of georeferencing that can limit both the speed and the efficiency in mapping urban areas. However, the integration of topog...

Peru is one of the world’s leading exporters of cocoa beans, which directly impacts the household economy of millions of small farmers. Currently, the expansion and modernization of the cocoa-growing area require the zoning of the territory with suitable biophysical and infrastructural conditions to facilitate optimizing productivity factors. There...

Land degradation is a permanent global threat that requires an interdisciplinary approach to addressing solutions in a given territory. This study, therefore, analyses environmentally sensitive areas to land degradation using the Mediterranean Desertification and Land Use (MEDALUS) and Geographic Information System (GIS) method through a multi-crit...

Amazonas is a mountain region in Peru with high cloud cover, so using optical data in the analysis of surface changes of water bodies (such as the Burlan and Pomacochas lakes in Peru) is difficult, on the other hand, SAR images are suitable for the extraction of water bodies and delineation of contours. Therefore, in this research, to determine the...

In Peru, grasslands monitoring is essential to support public policies related to the identification, recovery and management of livestock systems. In this study, therefore, we evaluated the spatial dynamics of grasslands in Pomacochas and Ventilla micro-watersheds (Amazonas, NW Peru). To do this, we used Landsat 5, 7 and 8 images and vegetation in...

The evaluation of suitable landfill sites is a complex process and requires various legislative, technical, social, and environmental criteria. Therefore, this study provides a management tool for identifying suitable sites for landfills through the integrated use of the analytic hierarchy process (AHP), geographic information systems (GISs), and r...

Effects of climate change have led to a reduction in precipitation and an increase in temperature across several areas of the world. This has resulted in a sharp decline of glaciers and an increase in surface runoff in watersheds due to snowmelt. This situation requires a better understanding to improve the management of water resources in settled...

Meteorological observations play a major role in land management; thus, it is vital to properly plan the monitoring network of weather stations (WS). This study, therefore, selected ‘highly suitable’ sites with the objective of replanning the WS network in Amazonas, NW Peru. A set of 11 selection criteria for WS sites were identified and mapped in...

Las Áreas de Conservación Privada (ACP) son uno de los mecanismos de conservación, gestionadas por ciudadanos privados que más protagonismo han adquirido en los escenarios de conservación local en los últimos años. En este estudio evaluamos la efectividad de cuatro ACP gestionadas por comunidades locales (CC). Se aplicó el Índice de Efectividad Com...

The increasing demand for tropical timber from natural forests has reduced the population sizes of native species such as Cedrela spp. because of their high economic value. To prevent the decline of population sizes of the species, all Cedrela species have been incorporated into Appendix II of the Convention on International Trade in Endangered Spe...

The authors would like to make the following corrections to the published paper [...]

Agricultural productivity in the Peruvian region of Amazonas is being jeopardized by conflicts and inadequate land use, that are ultimately contributing to environmental degradation. Therefore, our aim is to assess land suitability for potato (Solanum tuberosum L.) farming in the Jucusbamba and Tincas microwatersheds located in Amazonas, in order t...

Peru is one of the world’s main coffee exporters, whose production is driven mainly by five regions and, among these, the Amazonas region. However, a combined negative factor, including, among others, climate crisis, the incidence of diseases and pests, and poor land-use planning, have led to a decline in coffee yields, impacting on the family econ...

The spectacled, or Andean, bear (Tremarctos ornatus) is classified as vulnerable by the IUCN due to climate change and human-induced habitat fragmentation. There is an urgent need for the conservation of spectacled bear at real time. However, the lack of knowledge about the distribution of this species is considered as one of the major limitations...

Simple Summary: The spectacled, or Andean, bear (Tremarctos ornatus) is threatened by human activities, despite being a key species for conservation. In our study, the sightings and tracks for spectacled bear were collected, key environmental variables affecting its distribution were identified, and its distribution was predicted under both current...

During the latest decades, the Amazon has experienced a great loss of vegetation cover, in many cases as a direct consequence of wildfires, which became a problem at local, national, and global scales, leading to economic, social, and environmental impacts. Hence, this study is committed to developing a routine for monitoring fires in the vegetatio...

Forest and land degradation is a serious problem worldwide and the Peruvian National Map of Degraded Areas indicates that 13.78% (177,592.82 km2) of the country’s territory is degraded. Forest plantations can be a restoration strategy, while conserving economically important species affected by climate change and providing forestry material for mar...

Anthropic activity affects the hydrogeomorphological quality of fluvial systems. River and valley classifications are fundamental preliminary steps in determining their ecological status, and their prioritization is essential for the proper planning and management of soil and water resources. Given the importance of the High Andean livestock micro-...

Peruvian aquaculture, specifically trout production, has had significant growth over the past ten years. However, the establishment and expansion of small-scale aquaculture have been carried out without considering the suitability of the land. In Peru, such land suitability studies have yet to be reported. Therefore, a methodological framework is p...

p>El objetivo de la investigación fue evaluar los aspectos culturales de 12 cepas nativas de Trichoderma spp. Se llevó a cabo en los ambientes del Laboratorio de LABISANV, de la Universidad Nacional Toribio Rodríguez de Mendoza de Amazonas (UNTRM-A). Donde se evaluó el crecimiento radial del micelio de 12 cepas nativas de Trichoderma spp, en tres d...

La caracterización morfométrica es un inventario detallado de los recursos y condiciones biofísicas, socioeconómicas y ambientales de la cuenca. Se trata principalmente de cuantificar las variables que caracterizan la cuenca o unidad hidrográfica para establecer la vocación, posibilidades y limitaciones de sus recursos naturales con el medio ambien...

La Zonificación Agroecológica (ZAE) es un instrumento de gestión con importancia fundamental en el desarrollo agrario. Permite identificar superficies territoriales con características edafoclimáticas homogéneas para potenciar el desarrollo vegetativo de una especie. En la presente investigación se pretende zonificar agroecológicamente un sistema a...

p>Los bosques de la Amazonia peruana han experimentado importantes transformaciones desde mediados del siglo pasado. Este trabajo evaluó los Cambios de Cobertura y Uso del Suelo (CCUS) en la provincia de Rodríguez de Mendoza, mediante los métodos de clasificación supervisada de máxima probabilidad e interpretación visual interdependiente de imágene...

El avance de las prácticas ganaderas a nivel mundial está creciendo exponencialmente. Consecuentemente a esto tenemos las pérdidas de bosques, quedando cada vez más desérticas los suelos, afectando la micro fauna y flora presente en la misma. El objetivo principal fue determinar áreas potenciales para el desarrollo de sistemas silvopastoriles (SSP)...

El objetivo del estudio fue evaluar el uso actual del suelo y la calidad hidrogeomorfológica en el río San Antonio, localizado entre las provincias de Chachapoyas y Rodríguez de Mendoza en el Departamento de Amazonas (Perú). Los usos del suelo fueron estimados utilizando el método de clasificación supervisada para las imágenes Sentinel 2A, mientras...

Se realizó la cuantificación de las áreas con presencia de pajonales y la cantidad de carbono retenida por las mismas. La cuantificación de áreas se realizó mediante la manipulación e interpretación de imágenes satelitales. Para el cálculo de biomasa de los pajonales, se establecieron parcelas de corte (Harvest method), teniendo en cuenta dos cuadr...

p>El estudio consistió en determinar los cambios en la cobertura de bosques a causa de la deforestación entre los años 1987-2016, en Leymebamba, distrito que ha sido altamente alterado por la práctica de la agricultura migratoria. Para esto se utilizaron cuatro imágenes Landsat TM-OLI, de los años 1989, 1998, 2007 y 2016, sobre las cuales se realiz...

El estudio consistió en determinar los cambios en la cobertura de bosques a causa de la deforestación entre los años 1987-2016, en Leymebamba, distrito que ha sido altamente alterado por la práctica de la agricultura migratoria. Para esto se utilizaron cuatro imágenes Landsat TM-OLI, de los años 1989, 1998, 2007 y 2016, sobre las cuales se realizar...

Hydrological and geomorphological studies have increased in recent years indicating their importance to understand the functioning of river systems. In this research, the hydrogeomorphological quality of the Utcubamba River, located in the Amazon basin, was evaluated. By applying the Hydrogeomorphological Index (IHG) along its main watercourse the...

The objective of the research was to determine the carbon reserve retained under a silvopastoral system with Pinus patula, located in Amazonas, Peru. For the carbon estimation, 06 plants were used by the direct method, the shafts were sectioned every 2 meters and from these were obtained samples of 5 cm of thickness prior to the total weighing. For...

La caracterización morfométrica es un inventario detallado de los recursos y condiciones biofísicas, socioeconómi- cas y ambientales de la cuenca. Se trata principalmente de cuantificar las variables que caracterizan la cuenca o unidad hidrográfica para establecer la vocación, posibilidades y limitaciones de sus recursos naturales con el medio ambien...

La presente investigación comprende la determinación de efectos de la especie Ceroxylon peruvianum, pona, sobre los diferentes sistemas de producción. Para ello, fueron seleccionadas siete parcelas con sistemas de producción diferentes, acompañados por la propia pona. En cada parcela, se midieron los diámetros de copa, ángulos de elevación y depres...

Florida. Para ello, fueron utilizadas imágenes de satélite Landsat del sensor TM y OLI, de los años 1987, 2000 y2013. El análisis fue realizado mediante clasificación supervisada, usando las siguientes clases: bosques, pastos y cultivos, arbustales y herbazales, cuerpos de agua, zona pantanosa, zona urbana, y áreas quemadas. Después de la clasifica...

En el presente estudio se evaluaron los niveles de ruido ambiental en el campus de la Universidad Nacional Toribio Rodríguez de Mendoza de Amazonas (Perú), se identificaron zonas con mayor generación de ruido y se construyó un mapa de ruido ambiental para todo el campus universitario. Para la distribución de los puntos de medición se trazó una cuad...

Este estudio hace una evaluación de la calidad ecológica del agua de las microcuencas de Chinata y Gocta, desde las nacientes en los pajonales de la parte alta hasta su vertimiento en el río Uctubamba. En la microcuenca de Chinata se establecieron diez estaciones de muestreo y en la microcuenca de Gocta ocho. Para la evaluación se emplearon los índ...