Results 41 to 50 of about 133,562 (144)

RELACIONES FENÉTICAS Y CLAVE TAXONÓMICA PARA DIFERENCIAR LAS ESPECIES DEL GÉNERO CEDRELA (MELIACEAE) EN VENEZUELA

Caldasia, 2013
Cedrela es un género de árboles de la familia Meliaceae, ampliamente distribuido en el neotrópico. Se evaluaron las afinidades morfológicas mediante un análisis de componentes principales (ACP) y se elaboró una clave para la diferenciación taxonómica de ...
CARLOS VARELA, MAYIDA EL SOUKI
doaj  

Variables físicas que explican la variabilidad de suelo aluvial y su comportamiento espacial

Pesquisa Agropecuária Brasileira, 2011
El objetivo de este trabajo fue utilizar el análisis de componentes principales y de semivarianza para seleccionar variables físicas que explicaran la variabilidad de un suelo aluvial, y establecer el comportamiento espacial de las variables ...
Daniel Francisco Jaramillo Jaramillo, María Luisa Anaya Gómez, Carlos Andrés Restrepo Moná, Hugo Alberto González Sánchez, Fernando Álvarez Mejía   +4 more
doaj   +1 more source

Dietary resilience of coral reef fishes to habitat degradation

Journal of Animal Ecology, EarlyView.
Metabarcoding of gut contents shows that two common benthic‐feeding reef fishes with different feeding stratgies—a butterflyfish (Chaetodon capistratus) and a hamlet (Hypoplectrus puella)—shift diets on degraded reefs. These shifts mirror contrasting patterns in body condition: butterflyfish showed strong individual variation, whereas condition was ...
Friederike Clever, Richard F. Preziosi, Bryan Nguyen, Brígida De Gracia, Helio Quintero Arrieta, W. Owen McMillan, Andrew H. Altieri, Aaron O'Dea, Nancy Knowlton, Matthieu Leray   +9 more
wiley   +1 more source

An Archaeometric Approach to Reveal Organic Compounds via GC‐MS Analyses of Two Discovered Incense Burners at Daba Al‐Bayah

Archaeometry, EarlyView.
ABSTRACT This study focuses on two terracotta incense burners discovered in the Daba Al‐Bayah necropolis in the Musandam Peninsula (Oman), associated with an Iron Age collective tomb (LCG‐2). Through gas chromatography–mass spectrometry (GC‐MS), the organic residues preserved within these artifacts were analyzed to investigate their use and ...
Francesco Genchi, Federica Spagnoli, Vittorio Vinciguerra, Stefania Garzoli   +3 more
wiley   +1 more source

Representativeness of the Natura 2000 network for preserving plant biodiversity in the European Union

Conservation Biology, EarlyView.
Abstract The Natura 2000 (N2K) network of protected areas is one of the main tools for area‐based conservation in the European Union (EU), yet its role in preserving plant biodiversity requires better understanding. We examined data kept in the European Vegetation Archive from over 1.2 million vegetation plots and obtained over 14.2 million plant ...
Michele Di Musciano, Piero Zannini, Riccardo Testolin, Francesco Maria Sabatini, Diletta Santovito, Borja Jiménez‐Alfaro, Florian Jansen, Milan Chytrý, Lorenzo Ricci, Emiliano Agrillo, Fabio Attorre, Idoia Biurrun, Gianmaria Bonari, Hans Henrik Bruun, Luigi Cao Pinna, Andraž Čarni, Maria Laura Carranza, Roberto Cazzolla Gatti, Jürgen Dengler, Michele De Sanctis, Úna Fitzpatrick, Anna Rita Frattaroli, Emmanuel Garbolino, Stephan Hennekens, Ute Jandt, Jan Jansen, Zygmunt Kacki, Ilona Knollová, Jonathan Lenoir, Jesper Erenskjold Moeslund, Tomáš Peterka, Nataša Pipenbaher, Duccio Rocchini, Eszter Ruprecht, Solvita Rūsiņa, Urban Šilc, Sonja Škornik, Grzegorz Swacha, Milan Valachovič, Kiril Vassilev, Wolfgang Willner, Alessandro Chiarucci   +41 more
wiley   +1 more source

CREACIÓN DE ÍNDICES DE GESTIÓN DE MATERNIDADES MEDIANTE EL ANÁLISIS DE COMPONENTES PRINCIPALES

, 2004
Objetivo: Crear indices de gestion de maternidades basados en tecnicas estadisticas multivariantes descriptivas. Material y metodos: Durante el mes de enero de 2004 se recopila informacion de las maternidades publicas de Chile, pertenecientes a ...
P. HugoSalinas, B. MarciaErazo, P. AlvaroReyes, G. SergioCarmona, R. PatricioVeloz, M. Luis-Martínez   +5 more
semanticscholar   +1 more source

Policy Narratives and Empowerment: Implementation of the Swedish National Violence Prevention Program

Policy Studies Journal, EarlyView.
ABSTRACT As the Narrative Policy Framework (NPF) begins to unpack issues of power and narratives, the main focus has been on power‐over and domination rather than more transformative notions of power‐to and empowerment. This article draws on insights from gender and policy studies and suggests that the NPF benefits from adopting a multifaceted notion ...
Hilda Broqvist
wiley   +1 more source

Análisis de las estructuras de opinión pública

Revista de Matemática: Teoría y Aplicaciones, 2009
En este trabajo se presentan los resultados de los análisis hechos a través de nueve años de investigación de las estructuras de la opinión pública en Costa Rica.
Jorge Poltronieri Vargas
doaj   +1 more source

Assessing D‐Squame as a Minimally Invasive Technique to Evaluate the Cutaneous Immune Response mRNA in a Dog Model of Canine Atopic Dermatitis

Veterinary Dermatology, EarlyView.
ABSTRACT Background Canine atopic dermatitis (cAD) is a multifactorial, inherited skin disease, estimated to affect ≤ 15% of dogs. Studies of skin messenger mRNA in cAD currently use invasive methods, including blood sampling and biopsy collection, whilst advances in human atopic dermatitis study methodology have demonstrated reliable use of minimally ...
Xavier Langon, Marion Mosca, Nadège Milhau, Mélanie Legain, Adrien Idée, Didier Pin   +5 more
wiley   +1 more source

Digital Inevitability: Families and the Transformation of Early Childhood Education

European Journal of Education, Volume 61, Issue 1, March 2026.
ABSTRACT This study investigates family attitudes toward the use of Digital Educational Resources (DER) in Early Childhood Education (ECE), examining how cognitive (knowledge), evaluative (value beliefs) and dispositional (expectations) factors shape both perceived usefulness and acceptance.
Juan José Sosa‐Alonso, Ana L. Sanabria Mesa, Anabel Bethencourt Aguilar, Víctor M. Hernández Rivero   +3 more
wiley   +1 more source