Results 61 to 70 of about 815,811 (353)
The differential on operator S(Γ)
Mathematical Biosciences and Engineering, 2023 Consider a simple graph $ \Gamma = (V(\Gamma), E(\Gamma)) $ with $ n $ vertices and $ m $ edges. Let $ P $ be a subset of $ V(\Gamma) $ and $ B(P) $ the set of neighbors of $ P $ in $ V(\Gamma)\backslash P $.
Jair Castro +3 more
doaj +1 more source
The Bulletin of the Ecological Society of America, EarlyView.Abstract Knowing about species interactions is essential for ecological research, conservation efforts, resource management, and maintaining healthy ecosystems, but many of these, such as reports of predation, may not always be published in easily located resources—if they are published at all.
Matthijs P. van den Burg, Hinrich Kaiser
wiley +1 more source
Estructura funcional de las localidades urbanas de municipios costeros de Guerrero
Investigaciones Geográficas, 1998 El objetivo de este trabajo es analizar la estructura funcional de cuatro ciudades iocalizadas en municipios costeros de Guerrero (Acapulco. Zihuatanejo. Tecpan y Petatián), que reúnen a más de una quinta parte de la población estatal.
Lilia Susana Padilla y Sotelo
doaj
Motivation to learn Chemistry in massive open online courses [PDF]
, 2018 One of the key factors for any educational proposal to achieve success lies in the motivation of students. The disposition that the students have before the learning is fundamental to be able to obtain the objectives.
López Guerrero, Gema +1 more
core
Geometry of subduction and depth of the seismogenic zone in the Guerrero gap, Mexico [PDF]
, 1990 L'étude sismique de la zone côtière de Guerrero (Mexique) permet d'interpréter la géométrie de la subduction dans cette ...
David, C. +3 more
core +1 more source
Subterranean environments contribute to three‐quarters of classified ecosystem services
Biological Reviews, EarlyView.ABSTRACT Beneath the Earth's surface lies a network of interconnected caves, voids, and systems of fissures forming in rocks of sedimentary, igneous, or metamorphic origin. Although largely inaccessible to humans, this hidden realm supports and regulates services critical to ecological health and human well‐being.
Stefano Mammola +30 more
wiley +1 more source
Perspectiva territorial de la pesca en la Costa Chica de Guerrero
Investigaciones Geográficas, 2010 Este trabajo examina la actividad pesquera desde un punto de vista territorial, en uno de los litorales más marginados del trópico mexicano: la Costa Chica de Guerrero.
Salvador Villerías Salinas +1 more
doaj
Tecnología y ciencias del aguaLa gestión del agua en el valle de la Sabana y sus cuencas aledañas en el área periurbana de la ciudad de Acapulco se ha realizado sin considerar las condiciones socioambientales que subyacen entre la pobreza, la marginación y su interacción con los ...
Branly Olivier Salomé +4 more
doaj +1 more source
How to teach chemistry? Is Chemistry a new universal language [PDF]
, 2015 Chemistry has been developed greatly throughout the 20th century. Chemistry is included in the curriculum of elementary and secondary education.
López Guerrero, Gema +1 more
core
Analysis of admixture proportions in seven geographical regions of the state of Guerrero, Mexico
American Journal of Human Biology, 2017 Mexico's current population structure has been defined by admixture between European, Native American, and to some extent African, groups that started in the sixteenth century.
J. A. Cahua-Pablo +10 more
semanticscholar +1 more source