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Miguel Luna-Luna

Instituto Nacional de Investigaciones Forestales Agrícolas y Pecuarias

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Josué Delgado‐Balbuena

Secretaría de Salud de Jalisco

Elisabeth Huber‐Sannwald

Institute for Scientific and Technological Research

Henry W. Loescher

Institute of Arctic and Alpine Research

Griselda Chávez-Aguilar

Instituto Nacional de Investigaciones Forestales Agrícolas y Pecuarias

J. T. Arredondo

Institute for Scientific and Technological Research

R. Barretero-Hernandez

Instituto Nacional de Investigaciones Forestales Agrícolas y Pecuarias

Edmundo Garcı́a-Moya

Colegio de Postgraduados

Tulio Arredondo

Institute for Scientific and Technological Research

Pedro Jurado‐Guerra

Instituto Nacional de Investigaciones Forestales Agrícolas y Pecuarias

Mauricio Velázquez-Martínez

Instituto Nacional de Investigaciones Forestales Agrícolas y Pecuarias

Cooperative Institutions

Instituto Nacional de Investigaciones Forestales Agrícolas y Pecuarias

Institute for Scientific and Technological Research

Colegio de Postgraduados

Sonora Institute of Technology

University of Arizona

Autonomous University of Chihuahua

Bosque School

Agricultural Research Service

Ecological Society of America

Oregon State University

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Late sowing date as an adaptive strategy for rainfed bean production under warming and reduced precipitation in the Mexican Altiplano?

Field Crops Research (2020)

Tulio Arredondo Josué Delgado‐Balbuena Bruce A. Kimball Miguel Luna-Luna Enrico A. Yépez

Frost (temperature)

10.1016/j.fcr.2020.107903

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Citations (8)

Differences in plant cover and species composition of semiarid grassland communities of Central Mexico and its effects on net ecosystem exchange

Josué Delgado‐Balbuena J. T. Arredondo Henry W. Loescher Elisabeth Huber‐Sannwald Griselda Chávez-Aguilar

Abstract. Changes in land use across the semiarid grasslands of Northern Mexico have driven a decline of plant cover and alteration of plant species composition. A number of different plant communities have resulted from these changes, however, their implications on the carbon cycle and regional carbon balance are still poorly understood. Here, we examined the effects of plant cover loss and changes in species composition on net ecosystem CO2 exchange (NEE) and their biotic and abiotic controls. Five typical plant community types were examined in the semiarid grassland by encasing the entire above-ground ecosystem using the geodesic dome method. Sites included an oat crop (crop), a moderately grazed grassland (moderate grazing), a 28 yr-old grazing exclosure (exclosure), an overgrazed site with low perennial grass cover (overgrazed), and an overgrazed site presenting shrub encroachment (shrub encroachment). For natural vegetation, rates of daytime NEE for sites with a high plant cover (exclosure and moderate grazing) were similar (P>0.05) as compared to sites with low plant cover (overgrazed and shrub encroachment). However, night time NEE (carbon loss) was more than double (P<0.05) for sites with high plant cover compared to sites with low cover, resulting into slight C sinks for the low plant cover sites and neutral or sources for the high plant cover sites on an annual basis. Differences in plant cover and its associated biomass defined the sensitivity to environmental controls. Thus, daytime NEE in low plant cover sites reached light compensation points at lower PPFD values than those from high plant cover sites. Differences in species composition did not influence NEE rates even though there were transient or permanent changes in C3 vs. C4 functional groups.

Exclosure

Plant cover

Overgrazing

10.5194/bgd-9-17099-2012

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Citations (2)

Drought manipulation and its direct and legacy effects on productivity of a monodominant and mixed-species semi-arid grassland

Agricultural and Forest Meteorology (2016)

Tulio Arredondo Edmundo Garcı́a-Moya Elisabeth Huber‐Sannwald Henry W. Loescher Josué Delgado‐Balbuena

Bouteloua gracilis

Tiller (botany)

10.1016/j.agrformet.2016.03.011

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Citations (37)

Residual Effects of Biosolids Application on Forage Production of Semiarid Grassland in Jalisco, Mexico

Applied and Environmental Soil Science (2013)

Pedro Jurado‐Guerra Miguel Luna-Luna Ernesto Flores-Ancira Rubén Alfonso Saucedo-Terán

Single application of biosolids increases forage production on semiarid grasslands. Residual effects of biosolids on forage production have been scarcely measured in semiarid grasslands. The objective was to evaluate the residual effects of biosolids application on forage production of blue grama ( Bouteloua gracilis (Willd. ex Kunth) Lag. ex Griffiths) and other grasses at a semiarid grassland in Jalisco, Mexico. The study was performed at shortgrass prairie in northeast Jalisco. Field plots were selected to include blue grama plants before rainy season in 2002. Aerobic biosolids were applied at 0 (control), 15, 30, 45, 60, 75, or 90 dry Mg ha −1 under a completely random design with five replications. Forage production was estimated by clipping at the end of the growing season during five years. Data analysis was performed with linear mixed model and repeated measures. Forage production was influenced by a rate × year × species interaction (P=0.0001). Blue grama forage production increased with increasing biosolids rates during all years, with the magnitude of this response varying among years. Forage production of other grass species slightly decreased with biosolids application. Single biosolids application had a residual effect on forage production throughout five years in semiarid grasslands.

Biosolids

Bouteloua gracilis

10.1155/2013/835960

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Citations (5)

Los pastizales y matorrales de zonas áridas y semiáridas de México: Estatus actual, retos y perspectivas

Revista Mexicana de Ciencias Pecuarias (2021)

Pedro Jurado‐Guerra Mauricio Velázquez-Martínez Ricardo Alonso Sánchez-Gutiérrez Alán Álvarez-Holguín Pablo Alfredo Domínguez Martínez

El objetivo fue revisar el estado actual de los pastizales semiáridos y matorrales áridos del norte y centro de México, así como analizar los retos y perspectivas del uso de estos ecosistemas. Desde la década de los años 1950, el INIFAP en colaboración con otras instituciones han generado y transferido conocimientos sobre manejo de pastizales, lo cual se ha reflejado en el uso de prácticas de manejo en los ranchos ganaderos del país. Los pastizales y matorrales han sufrido disturbios, principalmente la apertura de tierras para cultivos y se encuentran deteriorados principalmente por el sobrepastoreo. La utilización de los pastizales y matorrales a través del pastoreo debería incluir una carga animal adecuada, sistemas de pastoreo y prácticas estratégicas de distribución del pastoreo. A pesar del deterioro, existe una gran diversidad de recursos genéticos, principalmente de pastos, que pueden ser utilizados para conservación y producción de semilla para rehabilitación de los pastizales. La resiembra, aunque de alto costo y riesgo, es una opción para rehabilitar aquellos pastizales o matorrales deteriorados. Estos ecosistemas pueden proporcionar servicios ambientales, principalmente captura de carbono para mitigar el cambio climático. Los retos son generar, transferir y aplicar conocimientos e innovaciones tecnológicas para lograr un manejo sostenible de los pastizales y matorrales, a pesar de algunas amenazas como la baja inversión en ciencia y tecnología, el cambio climático y la avaricia humana. Para lograr esto, es imprescindible la participación conjunta y comprometida de todos los actores e instituciones involucrados en el uso de estos ecosistemas.

10.22319/rmcp.v12s3.5875

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Citations (14)

Differences in plant cover and species composition of semiarid grassland communities of central Mexico and its effects on net ecosystem exchange

Biogeosciences (2013)

Josué Delgado‐Balbuena J. T. Arredondo Henry W. Loescher Elisabeth Huber‐Sannwald Griselda Chávez-Aguilar

Abstract. Changes in land use across the semiarid grasslands of northern Mexico have driven a decline of plant cover and alteration of plant species composition. A number of different plant communities have resulted from these changes. Their implications, however, on the carbon (C) cycle and regional carbon balance are still poorly understood. Here, we examined the effects of plant cover loss and changes in species composition on net ecosystem CO2 exchange (NEE) and their biotic and abiotic controls. NEE was measured in five representative plant community types within a semiarid grassland by temporarily enclosing the entire aboveground ecosystem using a chamber method (i.e., geodesic dome). Sites included an oat crop (crop), a moderately grazed grassland (moderate grazing), a 28 yr-old grazing exclosure (exclosure), an overgrazed site with low perennial grass cover (overgrazed), and an overgrazed site presenting shrub encroachment (shrub encroachment). For natural vegetation, rates of standardized daytime NEE for sites with a high plant cover (exclosure and moderate grazing) were similar (P > 0.05) as compared to sites with low plant cover (overgrazed and shrub encroachment). However, yearly total nighttime NEE (carbon loss) was more than double (P < 0.05) for sites with high plant cover compared to sites with low cover, resulting to slight C sinks for the low plant cover sites, and neutral or sources for the high plant cover sites as accounted by daytime and nighttime NEE annual balance. Differences in plant cover and its associated biomass defined the sensitivity to environmental controls. Thus, daytime NEE in low plant cover sites reached light compensation points at lower photosynthetic photon flux density than those from high plant cover sites. Differences in species composition did not influence NEE rates even though there were transient or permanent changes in C3 vs. C4 functional groups. Our results allowed the detection of the large variability and contribution of different plant communities to regional C balance in patchy landscapes. Identification of the role of landscape patches in the regional C balance as either sinks or sources may provide tools allowing land use management strategies that could favor C uptake in patchy landscapes.

Exclosure

Plant cover

Overgrazing

10.5194/bg-10-4673-2013

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Citations (23)