2019
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Osuna-Vallejo, V; Sáenz-Romero, C; Escalera-Vázquez, L; de la Barrera, E; Lindig-Cisneros, R Total mercury in plant tissue from a mining landscape in Western Mexico Journal Article Bulletin of Environmental Contamination & Toxicology, 102 (1), pp. 19-24, 2019. Abstract | Links | BibTeX | Tags: agriculture, biomonitors, conifers, pollution, temperate forest, tropical forest @article{Osuna-Vallejo2019,
title = {Total mercury in plant tissue from a mining landscape in Western Mexico},
author = {V. Osuna-Vallejo and C. Sáenz-Romero and L. Escalera-Vázquez and E. de la Barrera and R. Lindig-Cisneros},
doi = {10.1007/s00128-018-2488-0},
year = {2019},
date = {2019-01-15},
journal = {Bulletin of Environmental Contamination & Toxicology},
volume = {102},
number = {1},
pages = {19-24},
abstract = {Environmental impacts of mining activities are well known, particularly on-site degradation, but long term effects are less known. Mercury content from vegetation samples from a mine dump and surrounding forests was quantified for understanding the fate of this element in the local the environment. The study area, Tlalpujahua, Michoacán, México, has a mining history going back more than 400 years. Including gold and silver extraction by means of mercury amalgamation for 352 years (1554–1906). Mercury was present in all sampled materials. The highest values correspond to wood samples from the mine dump (13.84 ± 3.88 ppm), while wood samples from adjacent forests had 4.3 ± 2.4 ppm, almost twice as much as coniferous needles, shrub leaves and corn seeds (2.2 ± 0.34 ppm). The highest concentration was found for J. deppeana wood (16.05 ± 2.3 ppm). The capacity of accumulating mercury by Juniperus trees when growing on the mine dumps suggests that this species has a potential to be used for biosequestration purposes.},
keywords = {agriculture, biomonitors, conifers, pollution, temperate forest, tropical forest},
pubstate = {published},
tppubtype = {article}
}
Environmental impacts of mining activities are well known, particularly on-site degradation, but long term effects are less known. Mercury content from vegetation samples from a mine dump and surrounding forests was quantified for understanding the fate of this element in the local the environment. The study area, Tlalpujahua, Michoacán, México, has a mining history going back more than 400 years. Including gold and silver extraction by means of mercury amalgamation for 352 years (1554–1906). Mercury was present in all sampled materials. The highest values correspond to wood samples from the mine dump (13.84 ± 3.88 ppm), while wood samples from adjacent forests had 4.3 ± 2.4 ppm, almost twice as much as coniferous needles, shrub leaves and corn seeds (2.2 ± 0.34 ppm). The highest concentration was found for J. deppeana wood (16.05 ± 2.3 ppm). The capacity of accumulating mercury by Juniperus trees when growing on the mine dumps suggests that this species has a potential to be used for biosequestration purposes. |
2018
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Orozco-Martínez, R; de la Barrera, E Can germination requirements predict tolerance to extreme weather? — An assessment for heirloom maize from the P'urhépecha Plateau Journal Article International Journal of Agriculture and Biology, 20 (9), pp. 2039-2044, 2018. Abstract | Links | BibTeX | Tags: agriculture, cereal, climate change, domestication, drought, ecophysiology, food security, germination, maize @article{Orozco-Martínez2018,
title = {Can germination requirements predict tolerance to extreme weather? — An assessment for heirloom maize from the P'urhépecha Plateau},
author = {R. Orozco-Martínez and E. de la Barrera },
url = {http://www.fspublishers.org/Issue.php?categoryID=158
http://agro.mx/wp-content/uploads/2018/07/045-OrozcoMtz-delaBarrera-maize-germination.pdf},
doi = {10.17957/IJAB/15.0727},
year = {2018},
date = {2018-07-27},
journal = {International Journal of Agriculture and Biology},
volume = {20},
number = {9},
pages = {2039-2044},
abstract = {The temperature and water potential requirements for seed germination were determined for five heirloom maizes from three different agroclimatological regions from the P'urhépecha community of San Francisco Pichátaro, Michoacán, Mexico. Germination experiments were conducted in environmental controlled chambers exposing seeds to day/night air temperatures (12 h photoperiod) of 15/5, 20/10, or 35/25ºC, and to water potentials of 0, –0.01, –0.05, –0.1, or –0.5 MPa, which were created with aqueous solutions of polyethylene glycol (molecular weight 20,000). Germination was maximal and occurred at a faster rate for seeds incubated at 35/25ºC. In turn, a high water potential of 0.0 or –0.01 MPa was necessary to achieve maximum germination, which decreased under more negative water potentials until germination was completely inhibited for seeds incubated under –0.5 MPa failed. Although an environmental specialization for germination was not observed among the heirloom maize evaluated, their ability to germinate maximally under high temperatures is indicative of their cultivation potential under the increasing air temperatures expected to occur during the present century. In contrast, germination sensitivity to relatively mild water potentials may be a conservative ecophysiological trait of drought-escape for this tropical annual plant.},
keywords = {agriculture, cereal, climate change, domestication, drought, ecophysiology, food security, germination, maize},
pubstate = {published},
tppubtype = {article}
}
The temperature and water potential requirements for seed germination were determined for five heirloom maizes from three different agroclimatological regions from the P'urhépecha community of San Francisco Pichátaro, Michoacán, Mexico. Germination experiments were conducted in environmental controlled chambers exposing seeds to day/night air temperatures (12 h photoperiod) of 15/5, 20/10, or 35/25ºC, and to water potentials of 0, –0.01, –0.05, –0.1, or –0.5 MPa, which were created with aqueous solutions of polyethylene glycol (molecular weight 20,000). Germination was maximal and occurred at a faster rate for seeds incubated at 35/25ºC. In turn, a high water potential of 0.0 or –0.01 MPa was necessary to achieve maximum germination, which decreased under more negative water potentials until germination was completely inhibited for seeds incubated under –0.5 MPa failed. Although an environmental specialization for germination was not observed among the heirloom maize evaluated, their ability to germinate maximally under high temperatures is indicative of their cultivation potential under the increasing air temperatures expected to occur during the present century. In contrast, germination sensitivity to relatively mild water potentials may be a conservative ecophysiological trait of drought-escape for this tropical annual plant. |
2016
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de la Barrera, E COP-eration for global food security Journal Article F1000Research, 5 , pp. 2814, 2016. Abstract | Links | BibTeX | Tags: agriculture, biodiversity, food security, public policy, science communication @article{delaBarrera2016b,
title = {COP-eration for global food security},
author = {E. de la Barrera},
url = {https://f1000research.com/articles/5-2814},
year = {2016},
date = {2016-12-05},
journal = {F1000Research},
volume = {5},
pages = {2814},
abstract = {Mexico is hosting the 13th Conference of the Parts (COP-13) on the Convention on Biological Diversity. Participants will have another opportunity to "integrate biodiversity for wellbeing." Considering that food production is a major driver for the loss of biological diversity, despite the fact that ample genetic reservoirs are crucial for the persistence of agriculture in a changing world, food can be a conduit for bringing biodiversity into people's minds and government agendas. If this generation is going to "live in harmony with nature," as the Aichi Biodiversity Targets indicate, such an integration needs to be developed between the agricultural and environmental sectors throughout the world, especially as an increasingly urban civilization severs its cultural connections to food origin.},
keywords = {agriculture, biodiversity, food security, public policy, science communication},
pubstate = {published},
tppubtype = {article}
}
Mexico is hosting the 13th Conference of the Parts (COP-13) on the Convention on Biological Diversity. Participants will have another opportunity to "integrate biodiversity for wellbeing." Considering that food production is a major driver for the loss of biological diversity, despite the fact that ample genetic reservoirs are crucial for the persistence of agriculture in a changing world, food can be a conduit for bringing biodiversity into people's minds and government agendas. If this generation is going to "live in harmony with nature," as the Aichi Biodiversity Targets indicate, such an integration needs to be developed between the agricultural and environmental sectors throughout the world, especially as an increasingly urban civilization severs its cultural connections to food origin. |
2012
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Orozco-Martínez, R; del-Val, E; Lindig-Cisneros, R; Paz, H; Quesada, M; de la Barrera, E Evaluation of three organic fertilizers for growing the widely cultivated crop Cucurbita pepo L. Journal Article African Journal of Agricultural Research, 7 (7), pp. 1087-1097, 2012. Links | BibTeX | Tags: agriculture, agroecology, compost, crop, Cucurbita, Eichornia, invasive species, nitrogen @article{Orozco-Martínez2012,
title = {Evaluation of three organic fertilizers for growing the widely cultivated crop Cucurbita pepo L.},
author = {R. Orozco-Martínez and E. del-Val and R. Lindig-Cisneros and H. Paz and M. Quesada and E. de la Barrera },
url = {http://www.academicjournals.org/journal/AJAR/article-abstract/7FF8F8B44821},
year = {2012},
date = {2012-02-19},
journal = {African Journal of Agricultural Research},
volume = {7},
number = {7},
pages = {1087-1097},
keywords = {agriculture, agroecology, compost, crop, Cucurbita, Eichornia, invasive species, nitrogen},
pubstate = {published},
tppubtype = {article}
}
|
2007
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de la Barrera, E; Andrade, J L Diversidad fisiológica de las plantas mexicanas: el caso de un metabolismo fotosintético especial Journal Article Boletín de la Sociedad Botánica de México, 81 , pp. 157-159, 2007. Links | BibTeX | Tags: Agave, agriculture, bromeliad, cactus, CAM, epiphytes, prickly pear @article{delaBarrera2007b,
title = {Diversidad fisiológica de las plantas mexicanas: el caso de un metabolismo fotosintético especial},
author = {E. de la Barrera and J. L. Andrade},
url = {http://agro.mx/wp-content/uploads/2016/06/016-De-la-Barrera-y-Andrade-2007-BolSocMex-CAM-simposio.pdf},
year = {2007},
date = {2007-03-03},
journal = {Boletín de la Sociedad Botánica de México},
volume = {81},
pages = {157-159},
keywords = {Agave, agriculture, bromeliad, cactus, CAM, epiphytes, prickly pear},
pubstate = {published},
tppubtype = {article}
}
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Andrade, J L; de la Barrera, E; Reyes-García, C; Ricalde, M F; Vargas-Soto, G; Cervera, J C El metabolismo ácido de las crasuláceas: diversidad, fisiología ambiental, y productividad Journal Article Boletín de la Sociedad Botánica de México, 81 , pp. 37-50, 2007. Links | BibTeX | Tags: agriculture, CAM, ecophysiology, environmental indicators, environmental productivity index, epiphytes, microenvironment, plasticity, stable isotopes @article{Andrade2007,
title = {El metabolismo ácido de las crasuláceas: diversidad, fisiología ambiental, y productividad},
author = {J. L. Andrade and E. de la Barrera and C. Reyes-García and M. F. Ricalde and G. Vargas-Soto and J. C. Cervera},
url = {http://www.ibiologia.unam.mx/sociedad/www/pdf/BSBM%2082/Boletines%20publicados/Numero%2081/Sobretiro%20PWD%20BSBM81/Andrade%20et%20al%202007%20%28BSBM81%2037-50%29.pdf},
year = {2007},
date = {2007-02-02},
journal = {Boletín de la Sociedad Botánica de México},
volume = {81},
pages = {37-50},
keywords = {agriculture, CAM, ecophysiology, environmental indicators, environmental productivity index, epiphytes, microenvironment, plasticity, stable isotopes},
pubstate = {published},
tppubtype = {article}
}
|
2005
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de la Barrera, E; Andrade, J L Challenges to plant megadiversity: how environmental physiology can help Journal Article New Phytologist, 167 , pp. 5-8, 2005. Links | BibTeX | Tags: acclimation, agriculture, cactus, climate change, conservation, ecophysiology, legume, nitrogen, plant diversity, public policy, seed, stable isotopes, tropical forest @article{delaBarrera2005b,
title = {Challenges to plant megadiversity: how environmental physiology can help},
author = {E. de la Barrera and J. L. Andrade},
url = {http://agro.mx/wp-content/uploads/2016/06/012-De-la-Barrera-Andrade-2005-New-Phytol.pdf},
year = {2005},
date = {2005-05-01},
journal = {New Phytologist},
volume = {167},
pages = {5-8},
keywords = {acclimation, agriculture, cactus, climate change, conservation, ecophysiology, legume, nitrogen, plant diversity, public policy, seed, stable isotopes, tropical forest},
pubstate = {published},
tppubtype = {article}
}
|
2004
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Nobel, P S; de la Barrera, E CO2 uptake by the cultivated hemiepiphytic cactus, Hylocereus undatus Journal Article Annals of Applied Biology, 144 , pp. 1-8, 2004. Links | BibTeX | Tags: abscisic acid, agriculture, cactus, CO2, cultivation, Hylocereus, nitrogen, photosynthesis, pitahaya, temperature, tropical forest, water @article{Nobel2004,
title = {CO2 uptake by the cultivated hemiepiphytic cactus, Hylocereus undatus},
author = {P. S. Nobel and E. de la Barrera},
url = {http://agro.mx/wp-content/uploads/2015/09/010-Nobel-De-la-Barrera-2004-Ann-Appl-Biol.pdf},
year = {2004},
date = {2004-04-04},
journal = {Annals of Applied Biology},
volume = {144},
pages = {1-8},
keywords = {abscisic acid, agriculture, cactus, CO2, cultivation, Hylocereus, nitrogen, photosynthesis, pitahaya, temperature, tropical forest, water},
pubstate = {published},
tppubtype = {article}
}
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2002
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Nobel, P S; de la Barrera, E; Beilman, D W; Doherty, J H; Zutta, B R Temperature limitations for cultivation of edible cacti in California Journal Article Madroño, 49 (4), pp. 228-236, 2002. Links | BibTeX | Tags: agriculture, cactus, CAM, CO2, cultivation, fruit, Hylocereus, opuntia, temperature @article{Nobel2002b,
title = {Temperature limitations for cultivation of edible cacti in California},
author = {P. S. Nobel and E. de la Barrera and D. W. Beilman and J. H. Doherty and B. R. Zutta},
url = {http://agro.mx/wp-content/uploads/2016/02/005-Nobel-et-al-Madrono-2002.pdf},
year = {2002},
date = {2002-04-04},
journal = {Madroño},
volume = {49},
number = {4},
pages = {228-236},
keywords = {agriculture, cactus, CAM, CO2, cultivation, fruit, Hylocereus, opuntia, temperature},
pubstate = {published},
tppubtype = {article}
}
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