Results 61 to 70 of about 1,241,189 (166)

Análisis microestructural por DRX de CaO obtenido a partir de carbonato cálcico molido (CCM)

open access: yesBoletín de la Sociedad Española de Cerámica y Vidrio, 2004
The development of limes obtained by firing of a ground calcium carbonate (GCC) from Clariana (Tarragona), at constant maximum temperature (960 ºC) and at different permanence times was studied. Reflections 111, 200, 220, 311, corresponding to structural
Bastida, J.   +3 more
doaj  

European mistletoe shares a similar demographic strategy with non‐parasitic plants

open access: yesJournal of Ecology, Volume 114, Issue 5, May 2026.
European mistletoe (Viscum album) does not have a distinct demographic strategy from non‐parasitic plants, as quantified by time‐based life history traits. We found that mistletoe vital rates were driven by mistletoe size and position in the host tree.
Oliver G. Spacey   +8 more
wiley   +1 more source

Desigualdad, instituciones e informalidad [PDF]

open access: yes
(Disponible en idioma inglés únicamente) En este trabajo se presentan la teoría y los elementos de prueba de los factores determinantes del tamaño del sector informal. Proponemos un modelo teórico simple en el que el tamaño del sector informal guarda una
Alberto Chong, Mark Gradstein
core  

Ecology and structure of Drosophyllum lusitanicum (l.) Links populations in the south-west of the Iberian Peninsula [PDF]

open access: yes, 2001
Ecología y estructura de poblaciones de Drosophyllum lusitanicum (L.) Link en el suroeste de la Península Ibérica. Drosophyllum lusitanicum es una planta autógama y nautocórica cuyo tamaño y estructura de población han sido estudiados en dos áreas del ...
Deil, Ulrich, Müller, J.
core   +2 more sources

The catch of the day: The shortcomings of promoting sustainable seafood consumption in Peru

open access: yesConservation Science and Practice, Volume 8, Issue 5, May 2026.
This study investigates the meaning and application of “catch of the day” in Peru by analyzing 233 news articles and genetically testing 43 fish samples from restaurants. Results show that media frequently use the term as a vague marketing phrase, while genetic testing reveals a 60% mislabeling rate. These findings suggest that “catch of the day” lacks
Daniella Biffi   +2 more
wiley   +1 more source

Costa Rica’s Marine Protected Areas: status and perspectives

open access: yesRevista de Biología Tropical, 2012
With 51 100km2 of terrestrial area and 589 000km² of national waters, Costa Rica is considered one of the countries with the greatest biodiversity. It has approximately 3.5% of the world marine species.
Juan José Alvarado   +3 more
doaj  

Comparison of the production of offspring in two populations of Thais chocolata (Duclos, 1832) in the II Region of Chile. [PDF]

open access: yes, 2015
Se evaluó el tamaño de ovocitos, tamaño de cápsulas, número de huevos y tamaño de embriones tempranos de ejemplares de Thais chocolata colectados en las localidades de La Rinconada (23º 28’ S) y Caleta Punta Arenas (21º 38’ S), norte de Chile, cada una ...
Rojo, Manuel
core  

Temporal Changes in Vertebral Morphology of the Free‐Ranging Rhesus Macaques From Cayo Santiago, Puerto Rico Cambios Temporales en la Morfología Vertebral de Macacos Rhesus No Enjaulados de Cayo Santiago, Puerto Rico

open access: yesAmerican Journal of Biological Anthropology, Volume 189, Issue 4, April 2026.
ABSTRACT Objectives The objective of this study is to assess temporal change in vertebral size and shape in macaques born on Cayo Santiago from 1951 to 2002 in order to clarify patterns of temporal change identified in the cranium, appendicular skeleton, and body mass.
Catalina I. Villamil   +2 more
wiley   +1 more source

Evolución del tamaño y del peso del fruto de kiwi (Actinidia deliciosa (A. Chev.) Liang et Fergurson) cultivar "Hayward" durante la etapa final de crecimiento

open access: yesRevista de la Facultad de Ciencias Agrarias, 2022
Se realizó un ensayo durante tres años consecutivos con el fin de monitorear la evolución del tamaño y del peso de los frutos de una plantación comercial de kiwi variedad Hayward ubicada en la provincia de Córdoba.
Mónica G. Ontivero Urquiza   +2 more
doaj  

The importance of green amenities for small creative actors in Tokyo: Comparing natural and sociocultural spatial attraction characteristics

open access: yesActa Geographica Slovenica, 2019
In the last decade, the Japanese authorities have invested considerable effort and economic resources into constructing developmental models that can help build a friendlier environment for the domestic creative economy.
Matjaž Uršič, Kazushi Tamano
doaj   +1 more source

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