Results 21 to 30 of about 1,603 (126)

Shearing Tooth Morphology May Allow Sharks to Access Higher Trophic Levels at Smaller Sizes

open access: yesEcology and Evolution, Volume 15, Issue 8, August 2025.
Predator morphology imposes limitations on prey selection due to biomechanical constraints, making some prey functionally inaccessible and thereby constraining predator trophic niches. We assessed how two key components of trophic morphology—tooth shape and body size—affect prey selectivity and trophic niche in two sympatric sharks with contrasting ...
Sabrina Riverón   +7 more
wiley   +1 more source

Segunda vuelta

open access: yesCiencia y Sociedad, 1996
El Instituto Tecnológico de Santo Domingo, Participación Ciudadana y el Centro de Asesoría y Promoción Electoral (CAPEL) han propiciado la posibilidad de que hoy podamos profundizar un poco sobre la experiencia de la "Segunda Vuelta", la cual es una ...
Ciencia y Sociedad CyS
doaj   +1 more source

La sombra alargada del patrón: Gamonalismo y hábitos hacendatarios en Chimborazo tras la reforma agraria

open access: yesThe Journal of Latin American and Caribbean Anthropology, Volume 29, Issue 4, Page 352-363, December 2024.
Abstract This paper explores selective aspects of the historical processes of organization of the kichwa peasantry in the Andes of Ecuador. Based on the analysis of two representative cases of confrontation between peasants and landowners over access to land in the province of Chimborazo, it discusses the relevance of the concept of “gamonalismo” as ...
Víctor Bretón
wiley   +1 more source

Enhancing gender‐responsive social protection among informal and traditionally uncovered workers in sub‐Saharan Africa: An assessment of access to maternity protection

open access: yesInternational Social Security Review, Volume 77, Issue 4, Page 79-101, October/December 2024.
Abstract A wide and established body of research evidence has consistently shown how the effective provision of social protection benefits and the promotion of gender equality are among the key tools for addressing shocks, vulnerability and poverty.
Zitha Mokomane   +2 more
wiley   +1 more source

La Segunda República Española: Acción y omisión en materia electoral [PDF]

open access: yesRevista de Derecho Electoral, 2016
: El artículo realiza un recorrido por la normativa electoral vigente en la Segunda República Española; presenta las características principales de las distintas normas, resaltando los elementos del régimen electoral republicano.
Enrique Cebrián Zazurca
doaj  

Citizen security revisited: Whose security/ies are we talking about?

open access: yesLatin American Policy, Volume 15, Issue 1, Page 26-38, March 2024.
Abstract This article addresses two issues related to citizen security and its developments in Mexico. First, it analyzes the limits of citizen security in terms of its exclusions and marginalizations as they particularly affect women and migrants. It is argued that citizen security policy does not capture the multilayered security concerns that affect
Marianne H. Marchand
wiley   +1 more source

Cuban Fulgorina. 1. The Families Tropiduchidae and Acanaloniidae

open access: yes, 1930
Psyche: A Journal of Entomology, Volume 37, Issue 4, Page 395-424, 1930.
Z. P. Metcalf, S. C. Bruner
wiley   +1 more source

Los maestros republicanos: Legislación y conflictividad profesional (1931-1936)

open access: yesHistoria de la Educación, 2013
La Segunda República española aportó novedades y mejoras importantes para los maestros de primaria, pero también suscitó resistencias y conflictos profesionales que hasta ahora apenas se habían evidenciado.
Antonio MOLERO PINTADO
doaj  

RESEÑA DE: GUERRA SESMA, Daniel: El pensamiento territorial de la Segunda República Española, Athenaica, Sevilla, 2016.

open access: yesEspacio, Tiempo y Forma. Serie V, Historia Contemporánea, 2016
Bajo el sugerente título “El pensamiento territorial de la Segunda República Española”, Daniel Guerra Sesma (1967), politólogo, doctor en Ciencias Políticas y de la Administración y profesor de Derecho Internacional Público y Relaciones Internacionales ...
Manuel Baelo Álvarez
doaj   +1 more source

The republican teachers: Legislation and professional tensions (1931-1936) Los maestros republicanos: Legislación y conflictividad profesional (1931-1936)

open access: yesHistoria de la Educación, 2013
The Second Republic in Spain brought important news and improvements for the primary school teachers, but also aroused several professional resistances and struggles.
Antonio MOLERO PINTADO
doaj  

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