ACTIVITY PATTERNS OF JAGUAR, PUMA AND THEIR POTENTIAL PREY IN SAN LUIS POTOSI, MEXICO

Jaguars (Panthera onca) and pumas (Puma concolor) are sympatric species in Mexico and have ecological similarities. The understanding of interespecific interactions between these species are important for effective conservation strategies. We studied activity patterns of jaguars, pumas and their potential prey species through camera-trapping photographs obtained by during four seasonsin the Abra-Tanchipa Biosphere Reserve , San Luis Potosí, Mexico. We described activity patterns of 12 terrestrial vertebrate species, the degree of overlap of jaguar and puma activity; and the prey – predator relationship. Both felids showed cathemeral activity and overlapping between their activities. Jaguar activity showed a significant correlation with eight prey species activity. Puma activity was no related with any prey species activity. Activity peaks of both felids suggest that temporal segregation is a strategy which minimizes interspecific encounters allowing the coexistence of several individuals in this small reserve.El jaguar (Panthera onca) y el puma (Puma concolor) en México son especies simpátricas y presentan similitud ecológica. El entendimiento de las interacciones interespecíficas entre estas especies es importante para la elaboración de estrategias efectivas de conservación. Se estudiaron los patrones de actividad del jaguar, el puma y sus presas potenciales, a través del análisis de las fotografías obtenidas en cuatro temporadas de foto-trampeo en la Reserva de la Biosfera Sierra del Abra-Tanchipa (RBSAT), San Luis Potosí, México. Se describieron los patrones de actividad de 12 especies de fauna, el grado de sobreposición en la actividad del jaguar y el puma; y su relación con la actividad de sus presas. Ambos felinos presentaron actividad catemeral con traslape en sus patrones de actividad. La actividad del jaguar está relacionada significativamente con la actividad de ocho especies de presas; la actividad del puma no se relacionó con la actividad de ninguna presa. Los picos de actividad de ambos felinos sugieren que la separación temporal es una estrategia para minimizar los de encuentros interespecíficos que permite la coexistencia de varios individuos en reservas pequeñas

A GLOBAL ANALYSIS OF THE INFLUENCE OF GOVERNANCE ON IMPROVING TOURISM COMPETITIVENESS

Objective: The objective of the study was to identify the influence of governance on tourism competitiveness as measured by tourism GDP per capita, using structural equation modeling.Methodology: The study was descriptive correlational and applied quantitative documentary approach. Data from secondary sources from the World Bank and The World Travel & Tourism were used to obtain measures of governance and tourism GDP for 172 countries during the year 2021.Results: Governance was found to have a significant influence on tourism competitiveness, with government effectiveness, regulatory quality and rule of law emerging as the main predictors of governance. It was also found that most countries with high tourism performance have good governance, especially those countries that are small and specialized in tourism. Developed countries enjoy a high governance index, but do not lead the ranking in tourism GDP per capita.  Countries with low tourism performance have poor governance.Conclusions: Governance is a crucial factor in the success or failure of the tourism sector, and the positive and significant relationship between governance and tourism competitiveness has important implications for the formulation of policies and strategies to promote sustainable tourism development

INVENTORY OF TOURISM RESOURCES OF THE MOUNTAIN AREA OF TEXCOCO, STATE OF MEXICO

Objective. To elaborate an inventory of tourism resources identified in the mountain area of Texcoco, which serve as an instrument for planning and organizing the local tourism system. Design/Methodology/Approach. We considered the application of a survey to the auxiliary authorities, as well as to local and external actors that would allow contextualizing the tourism dynamics in the area. The task was supported by field trips applying the ethnographic method. From the collected data, eight localities were selected within the characteristics, a greater number of tourism resources were identified. Results. It was determined that some of the selected localities have sufficient attributes to potentiate some of their resources as a strategy for local development. Limitations/Implications. The restriction to access information in local offices of the municipal government limited the approach to some resources; thus, self-reported data had to be constructed through the perception of some individuals. Conclusions. It is necessary to develop tourism land-planning instruments through mechanisms of management that include training for local actors on various topics for the sustainable use of tourism resources

Caracterización nutricional de salsas a base de Xoconostle (Opuntia oligacantha C. F. Först)

Se elaboraron salsas a base de Xoconostle Ulapa, de la variedad Opuntia oligacantha C. F. Först, de un huerto comercial establecido en el municipio de Tezontepec de Aldama, Hidalgo, utilizando ingredientes como chile seco cascabel y, ajos, se obtuvieron en plantaciones establecidas en Zacatecas, Zac., México. Las salsas fueron elaboradas bajo la norma NMX-F-377-1986. Se obtuvieron cuatro tratamientos; con dos formulaciones (asada y cosida) y dos tratamientos térmicos (marmita: 80°C durante 20 min y autoclave: 121°C durante 15 min); T1: Xoconostle cocido y tratamiento térmico en autoclave, T2: Xoconostle asado y tratamiento térmico en autoclave, T3: Xoconostle cocido y tratamiento térmico en marmita, T4: Xoconostle asado y tratamiento térmico en marmita. Las variables evaluaron fueron: pH, acidez titulable, color, grasas, carbohidratos, valor energético, cenizas humedad, proteína y fibra cruda. Para el análisis de resultados se utilizó el programa estadístico SAS, el diseño completamente al azar. Se realizó el análisis de varianza y la prueba de comparaciones múltiples de Tukey con una p≤0.05. El mayor contenido de sólidos solubles totales o °Bx, se encontró en la salsa de Xoconostle asada (A/m) y con tratamiento térmico en marmita y tratamiento térmico en autoclave (A/a), cenizas: en salsa de Xoconostle cocido y tratamiento térmico en autoclave (C/a); el mayor contenido de humedad en salsa cocida y tratamiento térmico en autoclave C/a y cocida y con tratamiento térmico en marmita (C/m), proteína en A/m y C/a; y el mayor contenido de fibra cruda lo presento C/a

Diálogos sobre transdisciplina: los investigadores y su objeto de estudio

A la transdisciplinariedad se le ha definido como “una feliz transgresión de las fronteras entre las disciplinas” y es en este tono en que se presenta esta obra, que recopila las experiencias y reflexiones, las discusiones y propuestas de una veintena de investigadores y académicos que hablan sobre o desde la transdisciplina acerca de los temas de su interés o especialidad. La aproximación se da desde perspectivas académicas diversas y se adereza con expresiones estéticas que van desde la poesía hasta la pintura, a través de las cuales se busca ofrecer un espacio a las rutas posibles y limitaciones connaturales de acceder a la realidad para construir conocimiento “de frontera”, “en las fronteras”. Los abordajes son fruto de la exploración, filiación, encantos y desencantos por parte de los autores con la entidad de su búsqueda, quienes buscan contestar, entre otras, las siguientes cuestiones: ¿Cómo establecer un acercamiento transdisciplinar al objeto de estudio? ¿Qué hace a un objeto de estudio transdisciplinar? ¿Cómo impacta la transdisciplinariedad la identidad del académico? Una obra concebida desde una perspectiva más pedagógica que desde la doxa académica, con el interés de aportar una lectura amena para las reflexiones en torno a la trasgresión de las fronteras disciplinarias.ITESO, A.C

Constraints on the χ_(c1) versus χ_(c2) polarizations in proton-proton collisions at √s = 8 TeV

The polarizations of promptly produced χ_(c1) and χ_(c2) mesons are studied using data collected by the CMS experiment at the LHC, in proton-proton collisions at √s=8  TeV. The χ_c states are reconstructed via their radiative decays χ_c → J/ψγ, with the photons being measured through conversions to e⁺e⁻, which allows the two states to be well resolved. The polarizations are measured in the helicity frame, through the analysis of the χ_(c2) to χ_(c1) yield ratio as a function of the polar or azimuthal angle of the positive muon emitted in the J/ψ → μ⁺μ⁻ decay, in three bins of J/ψ transverse momentum. While no differences are seen between the two states in terms of azimuthal decay angle distributions, they are observed to have significantly different polar anisotropies. The measurement favors a scenario where at least one of the two states is strongly polarized along the helicity quantization axis, in agreement with nonrelativistic quantum chromodynamics predictions. This is the first measurement of significantly polarized quarkonia produced at high transverse momentum