Results 61 to 70 of about 5,184,438 (307)

Productividad, características fisicoquímicas y digestibilidad in vitro de leguminosas forrajeras en trópico seco de México

open access: yesRevista Mexicana de Ciencias Pecuarias, 2018
Tres leguminosas herbáceas: Macroptilium lathyroides, Macroptilium atropurpureum y Phaseolus acutifolius se sembraron en 12 unidades experimentales de 28 m2 cada una, bajo un diseño de bloques completos al azar y cuatro repeticiones por especie.
Antonio Alatorre Hernández   +5 more
doaj   +1 more source

Pelvic morphology and body size in relation to the preauricular sulcus: Evidence from medieval to modern Iberia

open access: yesThe Anatomical Record, EarlyView.
Abstract The preauricular sulcus has long been debated as a pelvic feature variably attributed to obstetric stress, ligamentous traction, and broader biomechanical processes. To clarify its determinants, we analyzed 409 adult individuals from three archeological and one early modern skeletal collection from the Iberian Peninsula, integrating graded ...
Rebeca García‐González   +5 more
wiley   +1 more source

El desarrollo local y regional en el plan de desarrollo nacional : una propuesta a la nación [PDF]

open access: yes, 1998
Presenta la propuesta para el desarrollo regional y local que varias instituciones, entre ellas la FUNDE, plantean como un instrumento para el desarrollo nacional, en el que se consideren el desarrollo de los municipios y ...
Fundación de Apoyo a los Municipios de El Salvador, FUNDAMUNI   +4 more
core   +1 more source

Assessment of banning indexes for aquifers using a GIS

open access: yesTecnología y ciencias del agua, 2011
A method based on sustainability criteria for the assessment of banning indexes (a method for restricting new water resources exploitation) is described as a strategy to manage and operate aquifers.
José Teodoro Silva   +4 more
doaj  

Diversidad florística en cimas de la Sierra Madre Occidental, México, y su relación con variables ambientales

open access: yesBotan‪ical Sciences, 2013
Las partes más altas de la Sierra Madre Occidental presentan comunidades vegetales con algunas características de vegetación alpina. Estos sitios son ecológicamente importantes, pues además de sus altos índices de diversidad, son de las primeras zonas ...
Lizeth Ruacho-González   +3 more
doaj   +1 more source

A checklist of the mammals (Mammalia) of Chihuahua, Mexico [PDF]

open access: yesCheck List, 2012
An updated list of the mammals of Chihuahua state, Mexico was assembled from the literature and from museum specimens. We documented 133 species (15 endemic to Mexico and 11 new for Chihuahua), representing 25 families, 75 genera, and 27.4% of the ...
Celia López-González   +1 more
doaj   +3 more sources

Identidad y desarrollo regional

open access: yesRevista de Psicología, 1997
Siendo el tema identidad un objeto de estudio importante para la Psicología, paradójicamente no ha sido profusamente investigado, especialmente los últimos años, especialmente en el área de los social. Y precisamente interesa ubicar aquí dicho concepto en el ámbito del desarrollo poblacional, de comunidades, de comunas. Dicho de modo más directo, en el
openaire   +2 more sources

Pelvic breadth and juvenile locomotor energetics: Implications for the obstetrical dilemma hypothesis across human growth in past and present humans

open access: yesThe Anatomical Record, EarlyView.
Abstract The obstetrical dilemma hypothesis (ODH) proposes an evolutionary trade‐off between obstetric requirements and locomotor performance. However, whether external pelvic breadth measures influence walking energetics during human growth remains poorly understood.
Guillermo Zorrilla‐Revilla   +4 more
wiley   +1 more source

Comparative foraging behaviour and performance between cattle and horses grazing in heathlands with different proportions of improved pasture area

open access: yesJournal of Applied Animal Research, 2019
The objective of this study was to compare the diet selection and productive performance of beef cattle (Asturiana de los Valles breed) and crossbred horses grazing on heather-gorse shrublands with different available surface of improved pasture (IP): 80%
Carlos López López   +5 more
doaj   +1 more source

Food‐solicitation displays in nestling birds: still begging for answers

open access: yesBiological Reviews, EarlyView.
ABSTRACT Nestling begging is a key model for understanding animal communication and parent–offspring conflict. Dynamic begging displays are often interpreted as costly, honest signals of need, with honesty maintained by viability costs, as proposed in Godfray's influential signalling model.
Daniel Parejo‐Pulido, Tomás Redondo
wiley   +1 more source

Home - About - Disclaimer - Privacy