Results 91 to 100 of about 230,222 (295)

A look at the quality of Primary Education in Baja California, Mexico: School marginalization and equity in its results [PDF]

open access: yes, 2017
El problema fundamental al que se orienta la presente investigación es la equidad en la educación primaria en México, particularmente en el estado de Baja California, al noroeste del país.
Jiménez Moreno, José Alfonso
core   +2 more sources

Finding floral and faunal species richness optima among active fire regimes

open access: yesConservation Biology, EarlyView.
Abstract Changing fire regimes have important implications for biodiversity and challenge traditional conservation approaches that rely on historical conditions as proxies for ecological integrity. This historical‐centric approach becomes increasingly tenuous under climate change, necessitating direct tests of environmental impacts on biodiversity.
Zachary L. Steel   +8 more
wiley   +1 more source

Percepción de estudiantes sobre el clima escolar en instituciones de educación secundaria del noroeste de México

open access: yesRevista Andina de Educación
El objetivo fue analizar el clima escolar de instituciones de educación secundaria del noroeste de México desde la percepción de estudiantes. La investigación es de corte cuantitativo, no experimental y alcance descriptivo; participaron 380 estudiantes ...
Nicolás Eduardo Juraz Rolón   +2 more
doaj   +1 more source

Nafta and industrial efficiency in Baja California [PDF]

open access: yes
The figures before and after the North America Free Trade Agreement between Canada, Mexico and United States, suggest the intensification of the North region economic dynamics, particularly in the sates of Baja California.
Mungaray, Alejandro   +1 more
core   +1 more source

Threshold responses of floating meadow fish communities to floodplain forest cover in the lower Amazon River

open access: yesConservation Biology, EarlyView.
Abstract Forest cover is positively associated with fish biomass and fisheries yield in the Amazon River floodplain, and many species enter flooded forests to feed, spawn, or seek refuge from predation. Floating macrophyte beds, known as floating meadows, in Amazon floodplains support high fish diversity and serve as nursery habitat for many fishes of ...
Sam Grinstead   +6 more
wiley   +1 more source

Digital Implementation of FIR Filters for the Minimize of Optical and Optoelectronic Noise of an Optical Scanning System

open access: yesRevista Iberoamericana de Automática e Informática Industrial RIAI, 2019
There are different devices capable of discriminating optical and optoelectronic noise, however, the cost of its implementation and maintenance is expensive.
Jesús E. Miranda-Vega   +5 more
doaj   +1 more source

Status of the Jack Mackerel resource and its management [PDF]

open access: yes, 1973
The jack mackerel, Trachurus symmetricus, resource off the west coast of North America is known to be large and widely distributed. The spawning biomass is estimated to be 2.1 to 4.8 million tons based upon abundance of jack mackerel eggs collected at ...
Knaggs, Eric H.
core  

Insights on the roles of women in effective and procedurally just environmental governance from coastal fisheries management in Fiji

open access: yesConservation Biology, EarlyView.
Women are widely viewed as the backbone of their villages, yet their participation in fisheries management is limited by restrictive gender roles. Men and women alike agree that women have valuable knowledge to contribute, and that men can serve as powerful allies.
Caroline E. Ferguson Irlanda   +9 more
wiley   +1 more source

Uso de métricas de interactividad para la interpretación de publicaciones de una fan page institucional en Facebook

open access: yesReCIBE, 2023
Actualmente, mejorar el compromiso de los usuarios en las plataformas de redes sociales es relevante para elevar la visibilidad de las universidades dentro de sus respectivas comunidades.
Paola E. Velazquez-Solis   +6 more
doaj  

Estimates of the rates of mortality of yellowfin tuna in the Eastern Pacific Ocean derived from tagging experiments [PDF]

open access: yes, 1971
ENGLISH: Tag release and return data for the Baja California and Gulf of Guayaquil areas were selected for this study because substantial numbers of returns resulted from these releases and because the effects of emigration are small in these areas.
Bayliff, William H.
core  

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