Luis Hernandez-Sandoval- Doctor of Philosophy
- Professor at Autonomous University of Queretaro
Luis Hernandez-Sandoval
- Doctor of Philosophy
- Professor at Autonomous University of Queretaro
About
113
Publications
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Introduction
Current institution
Additional affiliations
August 1990 - December 1992
Position
- Teacher Assistant
Description
- Lab and fieltrip duties for the Native Plants course at the Botany Department
November 1994 - present
Education
January 1989 - July 1993
May 1977 - August 1981
Universidad Autónoma Metropolitana, Iztapalapa
Field of study
- Biología
Publications
Publications (113)
The Americas have a long history of managing fermentation to produce food and beverages. Because maize is such a widespread and culturally important food resource, it has historically been a basic substrate for fermentation by the cultures that inhabit these areas. Fermented maize beverages (FMB)are components of food systems, are present in ritual...
Background Mexico is one of the countries with the highest cultural, biological, and agrobiological diversity. However,
an accelerated process of ancestral knowledge loss, related to the management of agrobiodiversity, native seeds,
and other edible plant species management is affecting food sovereignty. This process of knowledge loss was documente...
Background
Mexico is one of the countries with the highest cultural, biological, and agrobiological diversity. However, an accelerated process of ancestral knowledge loss, related to the management of agrobiodiversity, native seeds, and other edible plant species management is affecting food sovereignty. This process of knowledge loss was documente...
Antecedentes: A pesar de su gran diversidad y la grave amenaza a la que están expuestos, los pastizales templados han recibido escasa atención. Pregunta: Este estudio examina la biodiversidad de paisajes y taxonómía en los pastizales templados de Oaxaca. Especies estudiadas: Flora vascular. Sitio de estudio y fechas: Los pastizales volcánicos (PV),...
Melothria pendula L., a wild relative of cucurbit crops, is also used for food and as a medicinal plant in Mexico. The objective of this study was to ecogeographically characterize the known populations of M. pendula in Mexico, determining its adaptive range and possible sites for in situ and ex situ conservation. To achieve this goal, we compiled...
In Mexico, as in the rest of the world, the decreasing use of edible plant diversity for food and agriculture endangers the food sovereignty and security. Under this scenario, our focus was to identify both native and introduced edible species from the natural vegetation and their agroecosystems at the state of Querétaro, Mexico. We obtained the ed...
Antecedentes:
Dalea es endémico de América, posee amplia distribución en la provincia del Desierto Chihuahuense, sus especies se asocian a matorral xerófilo, bosque de encino y bosque de coníferas.
Hipótesis:
Las especies de Dalea funcionan como un subrogado de la flora y refuerzan las propuestas de regionalización para esta provincia.
Sitio y añ...
Urbanization is considered to be a major threat to biodiversity, habitat destruction and fragmentation hamper the establishment and dispersal of many species. Nevertheless, some species are resilient to urbanization. As important pollinators, wild bees provide an ecosystem service to natural, agricultural and urban ecosystems. It is not clear to wh...
RESUMEN Conocer la diversidad de razas de maíz (Zea mays L. subsp. mays) en alguna región o estado y las condiciones ambientales en que prosperan permite disponer de información para la definición de acciones para su conservación y aprovechamiento sostenible. El objetivo del presente estudio fue determinar las razas de maíz que se distribuyen en el...
Las semillas son las estructuras de las plantas por las cuales se propagan o reproducen, siendo el principal insumo para la producción de alimentos. De manera general, pueden agruparse en nativas, naturalizadas y mejoradas. Los propios agricultores llevan a cabo la selección, producción, conservación, diversificación y domesticación del primer tipo...
Las redes alimentarias alternativas (RAA) surgieron a nivel mundial como movimientos e interconexiones entre iniciativas alimentarias alternativas y de pequeña escala que se contraponen al sistema agroalimentario industrializado, globalizado y de consumo de masa. En México ante la gravedad de las consecuencias que conlleva el sistema alimentario in...
Beaucarnea inermis is an endemic species from Northeast Mexico, in the states of San Luis Potosí and Tamaulipas. It is appreciated as an ornamental plant, so its populations are subject to the poaching of individuals for illegal trade. Previous studies determined that their populations have been affected due to the disturbance since the incidence o...
C. berlandieri ssp. berlandieri (C. berlandieri) is one of the most common members of the group of plants known as quelites, which are dark leafy greens widely consumed in Mexico. This study aimed to evaluate the impact of two drying procedures (oven drying and freeze-drying/lyophilization) on the polyphenolic composition, antioxidant capacity, and...
Premise of the study:
Alismataceae, a sub-cosmopolitan 28 family with ca. 17 genera 29 and 113 species, is a large group of aquatic plants. Compression/impressions and bio-inclusions in amber support the documentation of the lineage in low-latitude North America. In Mexico, fossil aquatic plants have been infrequently documented. The new flowers r...
Tillandsia bernalensis, a new species from the state of Querétaro, Mexico, is described and illustrated. The proposed species is compared to T. parryi, T. suesilliae and T. tonalaensis, taxa with some similarities. Images and a distribution map of the four species are included.
Background: Mexico is a megadiverse country with an elevated diversity of species of vascular plants. A comprehensive Flora that includes all of the vascular plants distributed in Mexico does not yet exist. Electronic Floras have demonstrated the value of a compendium based on existing knowledge and published Floras, checklists and revisions.
Ques...
Before the arrival of Europeans to Mexico, most of the Chichimec groups had abandoned the area, allowing the Mesoamerican’s expansion. Among the known ethnicities located in the mountains were the NyaꞋxu (Meridional Pame), XiꞋoi (Septentrional Pame, Southern variant), Teenek (Huastec), Ximpeces, Uzá’ (Chichimeco-jonaz), and Hñöñho (Semidesert Otomí...
Melothria pendula L.: Apodanthera gracilis Benth.; Bryonia convolvulifolia Schltdl; Bryonia filiformis Roxb.; Bryonia guadalupensis Spreng.; Cucumis glaber Walter; Melothria crassifolia Small; Melothria costensis C. Jeffrey; Melothria donnell-smithii Cogn; Melothria donnell-smithii var. hirtella Cogn; Melothria donnell-smithii var. rotundifolia Cog...
Pseudalcantarea grandis (Schltdl.) Pinzón & Barfuss is a tank
bromeliad that grows on cliffs in the southernmost portion of the Chihuahuan desert.
Phytotelmata are water bodies formed by plants that function as micro-ecosystems
where bacteria, algae, protists, insects, fungi, and some vertebrates can develop.
We hypothesized that the bacterial dive...
Antecedentes:
La Sierra Madre Oriental es una Provincia Fisiográfica ubicada en el noreste de México con características geológicas, climáticas y edáficas distintivas. La flora de esta región aún no ha sido inventariada en conjunto.
Preguntas:
¿Cuál es la diversidad florística de la Provincia Fisiográfica de la Sierra Madre Oriental? ¿Cuál es la a...
Agave striata has a relatively wide range, is abundant, it has no threats and occurs within protected areas. Therefore this plant is listed as Least Concern.
Agave mitis, maguey de peña, is wide ranging, abundant and it grows on cliffs where it is protected from threats, it also occurs in several protected areas along its range. Therefore the species is listed as Least Concern.
Agave lechuguilla has been listed as Least Concern due to its wide range across Mexico and southern US states of New Mexico and Texas. Even though the species is collected, it has good recovery and the overall population is stable. It occurs within protected areas.
La actual crisis sanitaria global es una ventana para reconocer y cambiar
lo que ha funcionado mal en nuestra relación con el ambiente. Se piensa lo anterior porque la enfermedad COVID-19, lejos de ser un evento aleatorio de la naturaleza, es la consecuencia de múltiples decisiones equivocadas en el manejo de la vida silvestre y de los ecosistemas....
Autor para correspondencia: luishs@uaq.mx
RESUMEN Las sociedades científicas han tenido gran importancia en la historia al promover el conocimiento científico a través de reuniones científicas, publicaciones científicas y de divulgación, seminarios cursos y talleres, entre otros. Sin embargo, en tiempos recientes han perdido su valor, incluso para...
Pithecellobium dulce (Roxb) Benth (P. dulce), known as “guamúchil”, is a tree native to the American continent. Various parts of the tree are used in traditional medicine, primarily for treating gastrointestinal disorders. The phenolic compounds and antioxidant capacity of this plant are largely responsible for the beneficial health effects attribu...
A diferencia de lo que se propone en APG IV (Stevens, 2017), en este trabajo se considera la familia Nolinaceae en sentido estricto, en espera de mayor clarificación futura, en cuanto a nomenclatura y con relación a sus grupos asociados.
La familia s.s. comprende cuatro géneros restringidos en su distribución a Norteamérica, con cerca de 65 especie...
A diferencia de lo que se propone en APG IV (Stevens, 2017), en este trabajo se considera la familia Nolinaceae en sentido estricto, en espera de mayor clarificación futura, en cuanto a nomenclatura y con relación a sus grupos asociados. La familia s.s. comprende cuatro géneros restringidos en su distribución a Norteamérica, con cerca de 65 especie...
Nolina in Mexico is represented by 26 described species, 18 of them are endemic. Previous molecular and ecological studies indicated that populations of Nolina parviflora from Jalisco and Zacatecas may be genetically and ecologically distinct from the described N. parviflora and therefore merit delimitation as a separate species. A detailed morphol...
Se describen e ilustran dos nuevas especies, Nolina orbicularis L. Hern., sp. nov., del centro de la Faja Volcánica Transmexicana y montañas de origen ígneo al sur de la Mesa Central de México, así como Nolina robusta L. Hern., sp. nov., del sur de la Sierra Madre Oriental. Dado que materiales de herbario correspondientes se han determinado como N....
Antecedentes: Los descubrimientos científicos tienen un impacto en la concepción del universo y la naturaleza. En diversas disciplinas científicas, los responsables de estos descubrimientos ponen a consideración de pares sus trabajos para ser revisados, publicados y posteriormente reconocidos de diferentes maneras. Uno es que sus trabajos se citen...
p> Background : Beans ( Phaseolus spp.) are one of the most important legumes due to their high nutritional value. The type and amount of beans’ secondary metabolites varies according to their domestication status, species, and the site where they are grown. In the sate of Querétaro, the most commonly cultivated species are P. vulgaris L. and P. co...
Una forma de monitorear las actividades humanas y el impacto que tienen éstas en la modificación espacial del territorio, es por medio del análisis de cambio de uso de suelo. Algunos de los efectos negativos, observados después de un cambio de uso de suelo, son la modificación del paisaje, la pérdida de flora y fauna, el cambio de microclima y la d...
The genus Nolina on the Baja California peninsula has not been critically studied. Most of the taxonomic literature dealing with this
group is older or incomplete in nature. Taxonomic problemswith this genus arise because it is not easy to make herbarium specimens from plants in
the field and the taxa are notwell represented in collections. Species...
Beaucarnea inermis is a threatened plant of the seasonally dry tropical forests of the northeastern Sierra Madre Oriental mountains. It has been affected by habitat loss and fragmentation, mainly from changes in land use and poaching. The number of B. inermis plants, sexual proportion, and structural parameters were recorded in natural populations...
Resumen El "soyate", Beaucarnea inermis (S. Watson) Rose, es una planta arborescente perennifolia de los bosques tropicales estacionales de la porción noreste de la Sierra Madre Oriental en los estados de San Luis Potosí y Tamaulipas. Sus poblaciones han sido afectadas por la pérdida y fragmentación del hábitat a causa del cambio de uso de suelo y...
El “soyate”, Beaucarnea inermis (S. Watson) Rose, es una planta
arborescente perennifolia de los bosques tropicales estacionales de la porción
noreste de la Sierra Madre Oriental en los estados de San Luis Potosí y Tamaulipas.
Sus poblaciones han sido afectadas por la pérdida y fragmentación del hábitat a
causa del cambio de uso de suelo y el saque...
Beaucarnea inermis is a threatened plant of the seasonally dry tropical forests of the northeastern Sierra Madre Oriental mountains. It has been affected by habitat loss and fragmentation, mainly from changes in land use and poaching. The number of B. inermis plants, sexual proportion, and structural parameters were recorded in natural populations...
In Central Mexico, a traditional alcoholic beverage (pulque) is obtained from wild and cultivated species of the genus Agave. We evaluated the spatial distribution of Agave plants under distinct management scenarios in Queretaro, Mexico. Six sites were selected: two in crop fields, three in natural managed areas, and one in a non-disturbed natural...
A morphological based cladistical analysis was undertaken, using 20 taxa from or associated to the family Agavaceae. To assess homologous and independent characters, the morphology of each taxa was analyzed under the next criteria: a. plants have modular construction; b. plant morphology evolves through ontogenetic changes; c. morphological charact...
The Ceratozamia norstogii complex from Southern Mexico is made up of four closely related taxa and occurs in similar habitats (Quercus forest). All have linear-lanceolate leaflets with great similarity between them, especially in juvenile stages, but differentiate with age. There has been debate regarding delimitation of species due to character lo...
The Humid Mountain Forests of Mexico (HMFs) harbor high species diversity and are subject to continuous fragmentation and disturbance. We inventoried the epiphytic mosses in forest fragments and on isolated trees located in the Eastern Sierra Madre (Sierra Madre Oriental). We determined the size and canopy openness of 60 trees and recorded the occu...
Foliar anatomy of five taxa of the genus Datura is described to identify the anatomic characters that can help distinguish them. Three to five individual leaf samples per taxon were collected and processed using conventional techniques. Foliar characters were measured and analyzed by Kruskal-Wallis and posthoc Dunn tests. To define rules of classif...
The Ceratozamia norstogii complex from Southern Mexico is made up of four closely related taxa and occurs in similar habitats (Quercus forest). All have linear-lanceolate leaflets with great similarity between them, especially in juvenile stages, but differentiate with age. There has been debate regarding delimitation of species due to character lo...
Bonamia chontalensis Carranza sp. nov. is described and illustrated as a new species from the south of Oaxaca, Mexico. It is a rare plant, known only from a few collections in coastal areas. The species differs from other bonamias by evident unequal, suborbicular external and ovate to long-ovate internal sepals. Possible relations with other specie...
The present study establishes an efficient protocol for in vitro propagation from longitudinal sections of seedlings of Beaucarnea purpusii, a threatened and highly appreciated ornamental species. The effect of three cytokinins: N6-benzyladenine (BA), kinetin (Kin), and thidiazuron, 1-phenyl-3-(1,2,3-thiadiazol-5-yl)urea (TDZ), in semisolid media a...
Background:
The quantification of the spatial order of biological patterns or mosaics provides useful information as many properties are determined by the spatial distribution of their constituent elements. These are usually characterised by methods based on nearest neighbours distances, by the number of sides of cells, or by angles defined by the...
Una forma de monitorear las actividades humanas y el impacto que tienen éstas en la modificación espacial del territorio, es por medio del análisis de cambio de uso de suelo. Algunos de los efectos negativos, observados después de un cambio de uso de suelo, son la modificación del paisaje, la pérdida de flora y fauna, el cambio de microclima y la d...
Los insectos conocidos como gorgojos pertenecen a la familia Bruchidae. Sus larvas se alimentan de semillas de 33 familias, principalmente de Fabaceae y Convolvulaceae. Se alimentan de gran diversidad de plantas, integrándose al ámbito productivo. El primer estudio de brúquidos y sus huéspedes en Querétaro se desarrolló en 2002 encontrando 57 espec...
Beaucarnea (Nolinaceae) is a Mexican and Guatemalan genus that inhabits dry tropical areas. Most of the species are endangered under the Mexican legislation because they have a high horticultural demand and are threatened by habitat destruction. Species are difficult to recognize, since their differences are a mixture of trunk, inflorescence and fr...
Yucca queretaroensis es una especie endémica de la región denominada “Semidesierto Queretano-Hidalguense” en los estados de Guanajuato, Querétaro e Hidalgo, México. Se considera rara por su baja densidad poblacional, distribución restringida y su especificidad de hábitat, además de estar en la Norma Oficial Mexicana como sujeta a protección especia...
Agave doctorensis, a new species from Sierra El Doctor, Querétaro, Mexico is described and illustrated. It is similar to Agave montium-sancticaroli but differs in having a dense, conical panicle; reflexed bracts; and filaments inserted at two levels. The new species occurs in rosette scrub and Juniperus forest. Resumen Se describe e ilustra Agave d...
We evaluated seed germination and further seedling growth from Ferocactus histrix seeds treated
with mechanical scarification and gibberellin immersions (5% and 10%). Scarified seeds presented
higher germination rates (90%), whereas 10% gibberellin produced 62% germination. There were
also statistical differences in time for 50% germination (P < 0....
Mancoa perennis, a new species endemic to Michoacán, Mexico is described and illustrated. The new species is similar to M. laxa, but differs in its perennial habit, the caulinar leaf lobes ovate or triangular, entire, apically bearing a branched trichome, and a dense inflorescence with glabrous pedicels.
Lilaea scilloides (Juncaginaceae) is an aquatic species inhabiting temporary wetlands. It is an annual herbaceous emergent plant distributed from Canada to Argentina. This species reproduces both sexually and asexually, and is wind-pollinated. Flowers are highly heteromorphic with 5 different types of flowers. We hypothesized that, because of its p...
This paper presents original results on the Sb and heavy metals contents in sediments and waste tailings, plants and water from the giant Wadley antimony mine district (San Luis Potosí State, Mexico). The dominant antimony phases in mining wastes are stibiconite, montroydite and minor hermimorphite. The waste tailings contain high concentrations of...
Purpose
The purpose of this paper is to report a study of microbiological influenced corrosion (MIC) of copper due to bacteria strains isolated from potable water pipes and oxidation lagoons using electrochemical noise (EN) analysis and scanning electron microscopy (SEM).
Design/methodology/approach
Bacteria strains isolated from copper surfaces o...
Purpose – The purpose of this paper is to report a study of microbiological influenced corrosion (MIC) of copper due to bacteria strains isolated from potable water pipes and oxidation lagoons using electrochemical noise (EN) analysis and scanning electron microscopy (SEM). Design/methodology/approach – Bacteria strains isolated from copper surface...
Resumen Se determinó la estructura y densidad poblacional de Beaucarnea goldmanii y B. sanctomariana en tres sitios del estado de Chiapas y en una localidad de Santa María Chimalapas, Oaxaca. Asimismo, se analizaron algunas relaciones alométricas de estas dos especies. Se obtuvo la densidad poblacional de Beaucarnea goldmanii en Chiapas, dentro de...
Resumen Se determinó la estructura y densidad poblacional de Beaucarnea goldmanii y B. sanctomariana en tres sitios del estado de Chiapas y en una localidad de Santa María Chimalapas, Oaxaca. Asimismo, se analizaron algunas relaciones alométricas de estas dos especies. Se obtuvo la densidad poblacional de Beaucarnea goldmanii en Chiapas, dentro de...
Floral morpho-anatomy of the Milla complex genera (Themidaceae) was studied with the aim to conrm the occurrence of a gynophore in Dandya, to determine if there are anatomical characters that allow to distinguish Dandya from the rest of genera of the complex (Behria, Bessera, Jaimehintonia, Milla, and Petronymphe), and to understand their evolution...
This study demonstrated that the aqueous extracts of plants employed in Mexican traditional medicine for the treatment of cardiovascular diseases are able to modify the tone of arterial smooth muscle. Agastache mexicana (Kunth) Lint & Epling (Labiatae), Chenopodium murale L. (Chenopodiaceae), Chirantodendron pentadactylon Larreat (Sterculiaceae), D...
Interception losses are a major influence in the water yield of vegetated areas. For most storms, rain interception results in less water reaching the ground. However, fog interception can increase the overall water storage capacity of the vegetation and once the storage is exceeded, fog drip is a common hydrological input. Fog interception is disr...
Vegetation patches in arid and semiarid areas are important in the regulation of surface hydrological processes. Canopy and ground covers developed in these fertility islands are a natural cushion against the impact energy of rainfall. Also, greater levels of organic matter improve the soil physicochemical properties, promoting infiltration and red...
Se describe la morfo-anatomía floral de los géneros del complejo Milla (Themidaceae) con el objetivo de confirmar la presencia de un ginóforo en Dandya, de evaluar si existen caracteres anatómicos que permitan diferenciar a Dandya de los otros géneros del complejo (Behria, Bessera, Jaimehintonia, Milla, Petronymphe) y de hacer una interpretación ev...
Eriocaulon bilobatum is an aquatic species that inhabits temporary wetlands in central Mexico. It is annual, herbaceous, emergent, with sexual and asexual reproduction, monoecious and insect pollinated. It is a rare and vulnerable species due to its endangered habitats. The objectives of this study were to determine the diversity and genetic struct...
Purpose
The purpose of this paper is to study the corrosion of carbon steel without coating and when protected using three different hybrid coatings, i.e. a bi‐component polyurethane with nano‐particles of SiO 2 with and without sacrificial anode particles, and a mono‐component polyurethane with SiO 2 particles.
Design/methodology/approach
In this...
Eriocaulon bilobatum es una especie acuática que vive en humedales temporales del centro de México. Es una herbácea anual, enraizada emergente, con reproducción sexual y asexual, monoica y polinizada por insectos. Es una especie rara y vulnerable a la extinción debido a que sus hábitats se encuentran amenazados. Los objetivos de este estudio fueron...
Two species of Manfreda Salisbury (Agavaceae) endemic to the Mexican Yucatan Peninsula are proposed as new. The new species, Manfreda paniculata L. Hernández, R. Orellana & Carnevali and M. petskinil R. Orellana, L. Hernández & Carnevali are characterized by the presence of long-lasting leaves, paniculate inflorescences, and flowers subtended by a...
Eriocaulon bilobatum is an aquatic species that inhabits temporary wetlands in central Mexico. It is annual, herbaceous, emergent, with sexual and asexual reproduction, monoecious and insect pollinated. It is a rare and vulnerable species due to its endangered habitats. The objectives of this study were to determine the diversity and genetic struct...
Located on the Central Highlands of México, El Bajío is an important agricultural region that faces water shortage, and therefore, it is necessary to increase aquifer recharge and decrease irrigated area. Reforestation and agricultural reconversion based on tropical deciduous forest shrub species can help to achieve these goals. Probability maps of...
Located on the Central Highlands of México, El Bajío is an important agricultural region that faces water shortage, and therefore, it is necessary to increase aquifer recharge and decrease irrigated area. Reforestation and agricultural reconversion based on tropical deciduous forest shrub species can help to achieve these goals. Probability maps of...
Free essential oil methanolic extracts from three different geographical populations of Lippia graveolens in México were screened for antioxidant and antimutagenic properties by the DPPH and Kado microsuspension assay, respectively. Total phenolic and flavonoid contents as well as HPLC identification and quantification of naringenin and rosmarinic...
Se describe una nueva especie de Chaunanthus, un género de sufrútices de flores
blancas endémico a México del que se conocían tres especies. La nueva difiere de las
descritas por ser totalmente glabra, con los pecíolos alados y el estigma bilobulado con los
lóbulos erectos.
We describe a new species of Chaunanthus, a small genus of white flowered suffrutescent plants endemic to Mexico. The new species differs from the others because it is glabrous throughout, has winged petioles, and bilobed stigma, with erect lobes.
We describe a new species of Chaunanthus, a small genus of white flowered suffrutescent plants endemic to Mexico. The new species differs from the others because it is glabrous throughout, has winged petioles, and bilobed stigma, with erect lobes. Se describe una nueva especie de Chaunanthus, un género de sufrútices de flores blancas endémico a Méx...
Ceratozamia becerrae sp. nov. is described and illustrated. This species from Tabasco and Chiapas has affinity with C. miqueliana H. Wendl. from Veracruz and Chiapas, but differs in morphology and habit of leaves, leaflets, male and female strobili and trunk. Ceratozamia becerrae is considered part of the C. miqueliana species complex that includes...
This book presents the current state of our knowledge of the systematics of the approximately 300 species of cycads. It has been developed from 15 papers presented at the conference in Miami. Guidelines are presented for the designation of species, species boundaries and species groupings, thus clarifying what has been a confused area of research....
La caverna del Sótano del Barro se localiza al norte de la Sierra Gorda Queretana, es cono invertido con la boca ovalada, las paredes verticales e inclinadas y cavidades pequeñas en el fondo. Por su profundidad (455 m), es una de las cavidades más grandes del mundo. Geológicamente, se cree que se formó hace 1.5 millones de años por una combinación...
Two new species of Nolinaceae are described and illustrated. The first is a ponytail palm,Beaucarnea compacta, occuring in xerophytic scrub in the Sierra Madre Oriental near Atarjea, Guanajuato. The second new species isCalibanus glassianus, adding the second species to the genusCalibanus. This new species is found in the transition between tropica...
RESUMEN La complejidad de establecimiento de procesos interdisciplinarios y la búsqueda de opciones que permitan la formación integral de recursos humanos han sido preocupaciones centrales en la gestión de cuencas. En este trabajo se presenta la experiencia de formación de un grupo de trabajo e investigación sobre manejo de cuencas, así como la tra...
