A5059515239- Plant Water Relations and Carbon Dynamics
- Agroforestry and silvopastoral systems
- Effects of Environmental Stressors on Livestock
- Plant and soil sciences
- Genetic and phenotypic traits in livestock
- Ruminant Nutrition and Digestive Physiology
- Forest ecology and management
- Agricultural and Food Production Studies
- Bioenergy crop production and management
- Remote Sensing in Agriculture
- Land Use and Ecosystem Services
- Forest Management and Policy
- Fern and Epiphyte Biology
- Soil erosion and sediment transport
- Lichen and fungal ecology
- Bryophyte Studies and Records
- Urban Heat Island Mitigation
- Reproductive Physiology in Livestock
- Hydrology and Watershed Management Studies
- Atmospheric and Environmental Gas Dynamics
- Agriculture and Rural Development Research
- Livestock Management and Performance Improvement
- Scarabaeidae Beetle Taxonomy and Biogeography
- Water Resource Management and Quality
- Urban Green Space and Health
Autonomous University of Queretaro
2007-2024
Massey University
1997-2000
Abstract. Many hydrological studies of forested ecosystems focus on the study forest canopy and have partitioned gross precipitation into throughfall stemflow. However, presence litter can alter quantities water available for soil infiltration runoff. Little information exists regarding value storage drainage parameters layers. Vegetation this kind are required in physically-based lumped conceptual models to quatify availabilty distribution water. Using a rainfall simulator laboratory...
RESUMENLa alteración de las condiciones climáticas y el efecto isla urbana calor (EIC) son resultado del incremento la población sus actividades en zonas urbanas.En ciudades medianas como Querétaro es importante determinar magnitud EIC promover planeación crecimiento urbano.Conservar aumentar áreas con vegetación una buena opción para mitigar EIC.En este estudio se analizaron intensidad cobertura vegetal sobre regularización temperatura aire.Se parcela medición cual consideraron dos niveles...
Abstract. Interception losses are a major influence in the water yield of vegetated areas. For most storms, rain interception results less reaching ground. However, fog can increase overall storage capacity vegetation and once is exceeded, drip common hydrological input. Fog disregarded budgets semiarid regions, but for some plant communities, it could be mechanism offsetting evaporation losses. Tillandsia recurvata cosmopolitan epiphyte adapted to arid habitats where may an important...
Abstract. Arid and semiarid ecosystems contain relatively high species diversity are subject to intense use, in particular extensive cattle grazing, which has favored the expansion encroachment of perennial thorny shrubs into grasslands, thus decreasing value rangeland. However, these environments have been shown positively impact global carbon dynamics. Machine learning remote sensing enhanced our knowledge about dynamics, but they need be further developed adapted analysis. We measured net...
Traditionally, poplars (Populus) have been planted to control erosion on New Zealand's hill-slopes, because of their capacity dry out and bind together the soil, by reducing effective rainfall increasing evapotranspiration soil strength. However, effect widely spaced partitioning water has not reported. This study determined for 18 mid-spring days in a mature P. deltoides (Bart. exMarsh, Clone I78)–pasture association (37 stems per hectare, unevenly at 16.4 ± 0.4 m) compared it with...
Planting poplars is an effective technology for controlling hill soil erosion in New Zealand pastureland. However, the effects of widely spaced on properties are not documented. Soil was sampled from 3 depths (0-75, 75-150, and 150-300 mm) poplar-pasture (PP) adjacent open pasture (OP) systems. Four sites were examined, unreplicated with mature (>29 years, 37-40 stems/ha) a replicated experiment immature (5 50-100 stems/ha). Pastures at all dominated by low fertility species grazed...
Abstract. Leaf litter overlying forested floors are important for erosion control and slope stability, but also reduces pasture growth in silvopastoral systems. Little information exists regarding the value of percolation storage capacity parameters layers. These estimates needed modelling better management practices leaf litter. Therefore, this work measured effect four rainfall intensities: 9.8, 30.2, 40.4 70.9 mm h−1 on hydrological response layers three materials: recently senesced...
Pasture characteristics, soil moisture relations and water balance were measured in open pasture a mature poplar understorey, to assess how land conservation practices modify pastoral system. Mature poplars changed the environment of understorey pasture, with light intensity decreased from September April, generally colder drier autumn early winter. Soil did not suggest strong competition for between trees spring. under accumulated 40% less herbage mass was lower feed quality than open. The...
Abstract. Vegetation fixes C in its biomass through photosynthesis or might release it into the atmosphere respiration. Measurements of these fluxes would help us understand ecosystem functioning. The eddy covariance technique (EC) is widely used to measure net exchange (NEE) which balance between gross primary production (GPP) and respiration (Reco). Orbital satellites such as MODIS can also provide estimates GPP. In this study, we measured NEE with EC a scrub at Bernal Mexico, then...
La producción de nixtamal en México demanda grano maíz (Zea mays L.) alta calidad. Para lograr la calidad deseada, es necesario conocer influencia del ambiente cultivo las propiedades biométricas grano. El objetivo presente estudio fue evaluar características híbrido ‘Puma’ propiedad empresa Monsanto, cultivado durante el ciclo primavera-verano 2004 cinco condiciones fertilización e irrigación (50-50 %, 50-75%, 75-50 75-75 % y 100-100 una lámina riego 80 cm 200 kg nitrógeno ha-1. diseño...
Replacement heifers are regularly weighed to assess their health. These data also predict the milk yield in first lactation (L). The derivative of growth curve represents weight change rate at a given time. It is interesting use higher-order derivatives one biological process, such as growth, outcome another like lactation. With 78 records grazing heifers, machine learning was used L based on variables calculated during rearing period, from 3 21 months age, every months: body (P), (1D), and...
Objective: To obtain a machine learning (ML) model to predict the milk yield adjusted 305 d (MY305) from same lactation period. Design/methodology/approach: A database of test days (TD) was used, made up by 11,892 records daily production cows with more than 150 in (DIM), 19 barns Querétaro, Mexico. The standardized specific DIMs (5, 10, 20, 30 and 40) estimations MY305 were obtained these, using ML models. following incorporated as explicative variables herd: month birth cow, start...
Abstract. Interception losses are a major influence in the water yield of vegetated areas. For most storms, interception results less reaching ground. However, fog drip or occult precipitation can result negative because small drops deposited on all plant surfaces and subsequently fall to ground once vegetation storage capacities exceeded. Fog is normally disregarded, but for some communities, it could be mechanism offsetting evaporation losses. Tillandsia recurvata cosmopolitan epiphyte...
La modelación de la biomasa en plantaciones forestales es una alternativa para cuantificar el carbono almacenado vegetación. Las predicciones son importantes las decisiones productivas o los esfuerzos mitigación cambio climático. Un aspecto importante relación humedad suelo (q) con biomasa. Se usó modelo 3-PG determinar producción distintos escenarios q plantación Eucalyptus globulus un clima subtropical. De 2007 a 2009 se midió perfil 0 m -1.8 m, índice área foliar y diámetro altura del...
Medir la masa de forraje (MF) en pradera, antes del pastoreo, es fundamental para determinar asignación diaria sistemas pastoriles producción animal. La MF se estima por corte áreas conocidas, utilizando ecuaciones alométricas, o con el uso sensores percepción remota (PR); sin embargo, exactitud y practicidad los distintos métodos estimar MF, variable. El objetivo fue obtener modelos predictivos usando variables ambientales manejo pradera predecir MF. Se ajustaron regresión base (MP)...