josé luis Rosas

josé luis Rosas
Universidad Autónoma de Guerrero · Centro de Ciencias de Desarrollo Regional

PhD

About

61
Publications
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Introduction
José Luis Rosas-Acevedo currently works at the Centro de Ciencias de Desarrollo Regional, (PhD Environmental Sciences) Universidad Autónoma de Guerrero. Acapulco, Gro., Méx. Their current projects are Aquatic macroinvertebrates and nematodes; In addition, entomopathogenic fungi for biological control of pests and vectors

Publications

Publications (61)
Article
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Tropical Deciduous Forest (TDF) is an important biome threatened globally by climate change and human encroachment. Changes in diversity and abundance of soil nematodes can serve as indicators of soil disturbance due to human activities. Our objective was to present a first inventory of the generic biodiversity of soil nematodes in seven TDF sites...
Article
Metazoan parasite communities can experience temporal structural changes related to seasonal and/or local variations in several biotic and abiotic environmental factors. However, few studies have addressed this issue in tropical regions, where changes in water temperature are less extreme than in temperate regions, so the factors or processes that...
Article
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The potential impacts of sea level in the study region are presented using the Integrated Procedure for Estimate Sea Level Impacts (IPESLI), made up of Landsat images, official databases, and design software for geographic information systems. IPESLI is useful in areas with little georeferenced and validated information. The sea level projections a...
Article
A total of 802 individuals of Lutjanus guttatus (Steindachner, 1869) specimens were collected over a 10-year period (August 2012 to February 2021) from four locations on the south-central Pacific coast of Mexico. Their parasite communities were quantified and analyzed to determine if they experience significant spatial and inter-annual variations....
Article
Concentrations of Hg, Sb and the related potentially toxic elements (RPTEs) As, Cd, Co, Cr, Cu, Fe, Mn, Ni, Pb, V and Zn were determined in tailings from the Hg–Sb mining region of Huitzuco, Guerrero (southern Mexico) to evaluate their impact on urban soils and shallow groundwater. Tailings are entirely composed of fragments from the ore-hosting Mo...
Article
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Municipal Wastewater Treatment Plants (MWWTPs) have proven to be sources of adverse environmental impacts; however, integrated management can help improve their efficiency. Therefore, this study aims to evaluate the gap between the current management and another based on an international standard applied to WWTPMs, in order to understand their envi...
Article
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The purpose of this research was to design and validate a research instrument that delimits the degree of proenvironmental behavior (CPA). For the design and validation, the instrument was subjected to a review with specialists in the area. Subsequently, it was applied to the student community of the Autonomous University of Guerrero (UAGro). To de...
Conference Paper
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Se evaluó la acumulación de biomasa y la entrada de carbono en la micronuenca de bosque templado Río Hueyapa, Guerrero, México. Se presentan los incrementos de biomasa y secuestro de carbono a nivel de árbol, por categoría diamétrica, para Pinus oocarpa, Quercus sp. y otras latifoliadas.
Article
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Municipal wastewater treatment plants (MWWTPs) are considered essential to protect human health and aquatic systems. However, several studies in the scientific field have identified adverse environmental effects in these treatment units that involve challenges in the water industry. Therefore, this work has the following objectives: (1) to understa...
Article
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Models based on multifactorial interactions are needed to deal with the dynamics taking place in the eutrophication processes of coastal lagoons. However, as the number of indirect drivers stemming from anthropogenic factors increases, temporal disorders between anthropogenic activities may increase, thus hindering the understanding of their dynami...
Article
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How do societies value and interact with ecosystem services (ES) to favor their long-term conservation? Under the premise that sociocultural assessment of ES offers an expanded perspective for potential societal nature contributions, we present here the empirical results of a participative assessment of ES in the Laguna de Nuxco coastal wetland in...
Article
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In recent years, Multimetric Indices (MMIs) have received a lot of attention thanks to their ability to develop integrative evaluations of water quality, particularly in lagoons. In this article, we propose a new MMI for determining the water quality in lagoons. The proposed index is composed of biotic and abiotic indicators, in particular macroinv...
Conference Paper
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En el municipio de Tecoanapa Guerrero, existen diversas problemáticas ambientales que afectan los ecosistemas naturales, entre los que se encuentran la contaminación por Residuos Sólidos Urbanos (RSU); por ello, el objetivo de esta investigación es conocer el manejo de los residuos sólidos en la localidad de las Ánimas, municipio de Tecoanapa y la...
Preprint
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*Full article is in Spanish English Abstract: This article analyzes three types of water governance in the sub-basin of La Sabana River–Tres Palos Lagoon from the perspective of Michel Foucault’s governmentality. These processes—including the board of directors of the Metropolitan Water Operator Organism called the Drinking Water and Sewage Commiss...
Thesis
Los plaguicidas tienen impacto negativo en la salud humana y el ambiente, lo que resulta en un elevado número de muertes al año. El objetivo del presente estudio fue diseñar, implementar, y medir el impacto de una intervención educativa sobre manejo seguro de plaguicidas en campesinos de autoconsumo de tres comunidades rurales de México. En un ensa...
Article
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Pesticides negatively impact human health and environment, resulting in a high number of deaths annually. The objective of the present study was to measure the impact of an educational intervention on safe handling of pesticides in subsistence farmers in rural communities in Mexico. In a participatory non-randomized controlled community trial subsi...
Article
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We studied the cultural eutrophication process assessments of coastal lagoons by considering sociopolitical, socioeconomic, demographic, technological, and cultural factors, which represent indirect drivers exerting effects on the eutrophication process, causing changes on the trophic status. Multifactorial interactions in eutrophication processes...
Article
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The concentration of As, Pb, Cd, Zn, Fe, Mn, and Cu and the Sr and Pb isotopic compositions were determined in four species of the vascular epiphyte Tillandsia (T. caput medusae, T. ionantha, T. recurvata, and T. sp), to evaluate their capacity to biomonitor the air quality and the sources of lithogenic particles and toxic elements in a severely co...
Article
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Forest soils play an important role in mitigating global warming, as they constitute important reservoirs of organic carbon as a result of vegetation cover. This study was carried out to estimate the soil organic carbon (SOC) reservoir and the forest soil fertility of the microwatershed of the Hueyapa River, located in the State of Guerrero, Mexico...
Article
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Plantain and chayotextle starch were mixed with plantain and chayotextle fiber to make biodegradable materials through a baking process. Tensile strength (Ts) and Young module (Ym) in baked foam materials (BFM) improved as the concentration of fiber increased, while elongation at break (Eb) decreased. BFM made only with plantain or chayotextle star...
Article
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Pesticides optimize agricultural and livestock activity but their improper management damages health and the environment. The objective of this study was to carry out a baseline study of future intervention and reference locations to implement an intervention program. Two intervention locations and a third reference location were selected. Subsiste...
Article
The parasite communities of marine fish in the tropical Pacific remain poorly studied. We did an initial study of the metazoan parasite communities of striped bonito Sarda orientalis from the Pacific coast of Mexico. Two hundred thirty individuals from two locations were collected between April 2017 and March 2018. Twenty-two metazoan parasite taxa...
Article
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RESUMEN El propósito de esta investigación fue determinar las actitudes ambientales de los estudiantes de la Universidad Autónoma de Guerrero, México (UAGro). Se utilizaron los aportes teóricos de Cortes, Cabana, Vega, Aguirre y Muñoz (2017). Se aplicó una metodología de enfoque cuantitativo y alcance descriptivo. Se administró un cuestionario con...
Thesis
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El paisaje, como ecosistema de estructura escénica, es una consideración unidimensional y excluyente. Es una entidad holística donde intervienen aspectos físicos, ambientales, estéticos, perceptuales, sociales, culturales y económicos. Es un elemento de alta valoración turística en un territorio, que se integra por un conjunto de aspectos naturales...
Article
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Discharge of Acid Mine Drainage (AMD) produced within flooded mines is a major environmental issue in most polymetallic mining sites severely impacting nearby natural resources and producing a serious menace to the ecosystem and humans. The identification of both natural and anthropological factors influencing the bioavailability of toxic elements...
Article
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Resumen El paisaje sobrepasa una consideración unidimensional y excluyente, es una entidad holística donde intervienen aspectos físicos, ambientales, estéticos, perceptuales, sociales, culturales y económicos. El paisaje es un elemento de alta valoración turística en un territorio, que se integra por un conjunto de aspectos naturales y culturales q...
Article
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The human species has interacted with the environment and has modified it. However, the current situation is worrying about environmental problems of anthropogenic origin. Therefore, the objective of the article was to evaluate the pro-environmental behavior (CPA) of the students, to implement environmental policies that contribute to the conservat...
Article
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Los árboles capturan y almacenan grandes cantidades de carbono en su biomasa e impactan positivamente en la mitigación de los gases de efecto invernadero (GEI). Hasta esta fecha, no existen ecuaciones alométricas que estimen la biomasa de árboles del estado de Guerrero, México. El presente trabajo tuvo como objetivo generar ecuaciones para estimar...
Chapter
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Tomando en consideración que el ambiente es también un fenómeno social, ya que los individuos tienen diversas percepciones de los problemas ambien tales, entonces la descripción de lo "natural" varía de acuerdo con razones morales, culturales, políticas, etcétera. El objetivo de este trabajo es analizar la problemática socioambiental en la subcuenc...
Book
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El área de estudio fue un sitio con vocación turística, y con pro blemas de degradación causada por factores naturales y antropogénicos. Por ello, el objetivo fue adaptar al ecosistema en estudio a diez indicadores y evaluar el ambiente físico, para generar un índice de degradación física. El resultado fue un índice de 1.1, lo cual indicó un ambien...
Article
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The watershed is the most suitable territorial unit for the economic and social management of the ecosystem goods and services that it provides and its diagnosis must begin with its morphometric description. Cartographic and hydrological material from the National Institute of Statistics and Geography, (INEGI, for its name in Spanish), were used fo...
Article
Metazoan parasites communities of marine fishes can include both adults and larval stages of several endoparasite groups that use fishes as intermediate or paratenic hosts. The richness and abundance of parasite species larvae that harbour a fish species can therefore be a good indicator of that species’ role as an intermediate host to endoparasite...
Conference Paper
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A partir de una gráfica bipartita ponderada G, se definen los índices topológicos BMWP(G) y FBI(G). Se describe un modelo geométrico y una representación analítica de los índices anteriores. Tomando las cualidades de los índices mencionados, se hace una contribución a los índices bióticos para evaluar la calidad del agua y se propone un parámetro p...
Article
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One fruit trees crops with largest amount in Mexico is the mango (Mangifera indica L.). In 2017, Guerrero was the state with the highest production in the country. However, the waste generated after harvesting represents an environmental problem caused by high production and low opportunity in the national and international markets. Nowadays, there...
Article
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From a bibliographic analysis of the major published research studies about the index values used to evaluate water quality, the general characteristics of the so-called Biological Monitoring Working Party (BMWP) index are described; the degree of complexity of water quality assessments is measured and the integration of new technologies is analyze...
Article
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Biotic or abiotic factors responsible for temporal or spatial variation in metazoan parasite communities of the green jack Caranx caballus were studied over a nine-year period using samples collected at locations along the south-central Pacific coast of Mexico. A total of 708 fish were collected from six locations between December 2009 and October...
Article
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Background: Zika like dengue and chikungunya represent public health problems. Cases of ZIKV infection are emerging in the Americas, from Argentina spread until Brazil and Colombia, later entry to Mexico and managed to establish itself in most of the states.Methods: The cases (2016-2017) of epidemiological surveillance of the first outbreak of Zika...
Chapter
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El área de estudio fue un sitio con vocación turística, y con problemas de degradación causada por factores naturales y antropogénicos. El objetivo fue adaptar al ecosistema en estudio a diez indicadores y evaluar el ambiente físico, para generar un índice de degradación física. El resultado fue un índice de 1.1, lo cual indicó un ambiente regularm...
Article
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In this study was to evaluate the conidial germination of EF strains: Metarhizium anisopliae (1 strain) and Beauveria bassiana (2 strains) in two culture media (Agarose and Sabouraud Dextrose Agar [SDA]) supplemented with eggs, larvae, pupae and adults of Aedes aegypti vector. M. anisopliae 028 presented the highest germination on Agarose media sup...
Article
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During the 20th century in Mexico, organochlorine pesticides were applied intensively to combat various problems. The National Campaign for Malaria Eradication implied the intensive use of the pesticide dichlorodiphenyltrichloroethane (DDT). On the other hand, hexachlorobenzene and γ-hexachlorocyclohexane (Lindane) were used for protection of seeds...
Article
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Water consumption is a problem, as it is used inefficiently, besides that, the demand is growing much faster than nature can supply, so in the present study an analysis was conducted to determine the amounts of water used in domestic and agricultural activities in a rural town, that allows us to obtain the water shortage index. To define and know t...
Article
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The main objective of this study is to propose a discrete approach to water quality study, applied to freshwater ecosystems, through the fluctuations in the populations of benthic macroinvertebrates and their tolerance to pollution.
Article
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The rational use of natural resources and the protection of the environment, means acting with responsibility and opportunity. To generate environmental behaviors in the family, its members must have environmental culture. Therefore, to re-educate parents in this field, the non-formal environmental educational program of the training workshop "Envi...
Article
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RESUMEN La enfermedad de Chagas es un problema para la salud pública mundial, sobre todo en países de Amé-rica Latina donde la enfermedad es endémica. En el estado de Guerrero, México, las características geo-gráfi cas, ecológicas y ambientales han favorecido la presencia del vector transmisor de la enfermedad. Las estrategias preventivas relaciona...
Article
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The characterization was performed using scanning electron microscopy (SEM), Fourier transform infrared (FTIR) and differential scanning calorimetry (DSC). The SEM results in mesocarp starch present oval granules ranging in size from 2 to 12 μm and the micrographs of cotyledon starch show elongated starches with sizes ranging from 4 to 12 μm and bo...
Article
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Background: Haematoxylum brasiletto is a tree that grows in Central America, commonly known as "Palo de Brasil," which is used in the traditional medicine for the treatment of cancer and gastric ulcers. Objective: The aim of this study was to isolate the compounds responsible for antiproliferative activity of H. brasiletto. Materials and method...
Article
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Fishing of marine mollusks in Acapulco de Juarez, Guerrero, is intense and diverse and there is little knowledge about this resource. Therefore, for most of species subject to fishing there is no regulation. Due to this, the aims of this study were update inventory of mollusks that are fished for human consumption, determine species that are most i...
Article
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This study was conducted with the objective of determining whether there is a depuration of organochlorine pesticides in breast milk according to breastfeeding time. In total, 171 samples from mothers that lived in the State of Guerrero, Mexico were analyzed. There was a weak negative relationship between pp'DDE (r = -0.216) and Σ-DDT (r = -0.222)...
Article
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La subcuenca La Garita (Región Hidrológica: Rh19Ac) ha sufrido la influencia del hombre, presenta escorrentía y momentos de estiaje, además de puntos aislados de contaminación por basura y descargas. Se realizó un monitoreo de insectos. Se exploró la posibilidad del uso del índice BMWP (Biological Monitoring Working Party), para arroyos y ríos, en...
Article
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There are numerous species of gastropods of commercial importance; they are used for meat and for their shell, in addition to the potential use of their toxins for pharmaceutical use. There are few studies focused on the analysis of the importance and/or the economic potential of these organisms in the State of Guerrero, Mexico. This research was c...
Article
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The GASTROPODA class, one of the best known marine environments, is formed by a large number of species and the shape of their shell structure varies greatly. These mollusks are distributed from the intertidal zone all the way to the abyssal zone, and there are also swimming and floating species. This research was conducted at seven sites, located...
Article
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Introducción. En el estado de Guerrero, México, los estudios sobre la presencia y la importancia epidemiológica de los triatominos vectores de Trypanosoma cruzi son escasos y restringidos a unas cuantas localidades. Objetivo. Actualizar el conocimiento sobre la presencia de especies de triatominos, distribución geográfica, abundancia, indicadores e...
Article
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Entre 1999 y 2004 se obtuvieron diez cepas del hongo Hirsutella thompsonii Fisher, a partir de ácaros infectados, en 9 localidades de 3 de los 11 sistemas terrestres que tiene el estado de Colima, México: Llanura Costera de Tecomán, Llanura Costera de Cuyutlán y Valle del río Armería. De las 10 cepas, 5 pertenecen a la variedad thompsonii que es de...
Article
Between 1999 and 2004, ten strains of the fungus Hirsutella thompsonii Fisher were isolated from infected mites, in 9 localities of 3 of the 11 terrestrial systems found in the state of Colima, Mexico: coastal plain of Tecomán, coastal plain of Cuyutlán, and the valley of the Armería river. Of the 10 strains, 5 belong to var. thompsonii, whose grow...
Article
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The acaricidal mycopathogen Hirsutella thompsonii has been found to secrete metabolites that are active against female Tetranychus urticae. Specifically, the rose-colored exudate produced on sporulating cultures of Mexican HtM120I strain sterilized female spider mites in a dose-dependent fashion. Topical application of the exudate resulted in a 100...
Article
The objective of this work was to determine, trough bioassays, the most virulent strains of Hirsutella to be used as a control alternative in a pest intregrated wield program are those which are most pathogenic to CL50 just as H. nodulosa (HnC83) with 5 x 10(5) conidia/ml, and H. thompsonii (HtMOR and HtM5) with 1 x 10(6) and 1.1 x 10(6) conidia/ml...