Results 21 to 30 of about 357,952 (201)

Seasonal variation of Microcystis aeruginosa and factors related to blooms in a deep warm monomictic lake in Mexico

open access: yesJournal of Limnology, 2021
The occurrence of cyanobacterial blooms has increased globally over the last decades, with the combined effect of climate change and eutrophication as its main drivers. The seasonal dynamic of cyanobacterial blooms is a well-known phenomenon in lakes and
Eloy Montero   +4 more
doaj   +1 more source

Rainy years counteract negative effects of drought on taxonomic, functional and phylogenetic diversity: Resilience in annual plant communities

open access: yesJournal of Ecology, Volume 110, Issue 10, Page 2308-2320, October 2022., 2022
Our results provide important insights into the responses of semiarid annual plant communities under a climate change scenario. Experimental rain exclusion consistently decreased diversity (taxonomic and functional) but to a lesser extent than interannual rain patterns, that result in deep diversity losses during drought events but rapid recovery in ...
Roberto López‐Rubio   +3 more
wiley   +1 more source

Las otras funciones docentes en la escuela multigrado

open access: yesRECIE. Revista Electrónica Científica de Investigación Educativa, 2017
Para conocer y comprender lo que representa socialmente el profesorado dentro del sistema educativo, es necesario tener un acercamiento a su práctica docente dentro y fuera de la escuela misma, a partir de un conocimiento elemental sobre las diferentes funciones básicas que se espera den cumplimiento a lo largo de su práctica educativa.
Iris Arminee Coronel Morales   +2 more
openaire   +2 more sources

Forest loss and treeless matrices cause the functional impoverishment of sapling communities in old‐growth forest patches across tropical regions

open access: yesJournal of Applied Ecology, Volume 59, Issue 7, Page 1897-1910, July 2022., 2022
In agreement with the LMFTS hypothesis, our results confirm that landscape modifications in regions undergoing high and long‐lasting deforestation greatly impoverish the functional composition and diversity of sapling communities. The shift from communities composed mainly by conservative attributes towards communities with a higher prevalence of ...
Ricard Arasa‐Gisbert   +4 more
wiley   +1 more source

Stingless bees (Apidae: Meliponini) at risk in western Mexico

open access: yesBiotropica, Volume 54, Issue 4, Page 829-838, July 2022., 2022
We found a total of 14 stingless bee species, including two new records for the region. We identified three types of bee assemblages: one in hot lowland climates with tropical dry forest vegetation, one in temperate highland climates with mixed oak‐pine forest vegetation, and one in the warm ecotone with mixed subdeciduous forest vegetation between the
Alejandro Reyes‐Gonzalez   +4 more
wiley   +1 more source

The above–belowground functional space of tropical dry forest communities responds to local hydric habitats

open access: yesBiotropica, Volume 54, Issue 4, Page 1003-1014, July 2022., 2022
By comparing aboveground and belowground traits of saplings from two distinctive dry forest plant communities differing in water and light availability we found that in the wetter community traits related to the efficiency of resource capture were decoupled from the drought‐tolerance drought‐avoidance trade‐off thus developing more efficient fine roots.
Aleida Díaz‐Castellanos   +5 more
wiley   +1 more source

Niveles de comprensión lectora en alumnos de secundaria. Una comparación por tópico.

open access: yesActualidades en Psicología, 2015
Con base en los planteamientos de la psicología interconductual se desarrollaron y validaron dos pruebas para evaluar tres niveles de comprensión lectora de textos relacionados con dos tópicos: uno literario y uno de biología. El objetivo fue analizar el
Yolanda Guevara Benítez   +2 more
doaj   +3 more sources

Prevalencia de trastornos gastrointestinales funcionales en escolares mexicanos

open access: yesRevista de Gastroenterología de México, 2017
Introducción y objetivos: Los trastornos funcionales gastrointestinales se encuentran entre las condiciones crónicas más comunes en niños a nivel mundial.
G. Dhroove   +5 more
doaj   +1 more source

La vegetación del Valle de Tehuacán-Cuicatlán

open access: yesBotan‪ical Sciences, 2000
Se presenta una síntesis descriptiva y la clasificación de las asociaciones vegetales encontradas en la provincia fitogeográfica del Valle de Tehuacán-Cuicatlán, con base en criterios fisonómicos y estructurales obtenidos a partir de muestreos de campo ...
Alfonso Valiente-Banuet   +7 more
doaj   +1 more source

La escuela como institución y los imaginarios en disputa

open access: yesForum Revista Departamento de Ciencia Política, 2019
El presente artículo discute el nivel imaginario-simbólico asociado a la educación en general y a la escuela en particular. Se argumenta que hay en este un enfrentamiento que hace disminuir la presencia de la modernidad más clásica, a favor de una visión
Gerardo Romo-Morales
doaj   +1 more source

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