Results 31 to 40 of about 83,425 (187)

Hummingbird interaction niche packing is influenced by species richness and resource availability in the southern tropical Andes

open access: yesFunctional Ecology, EarlyView.
Read the free Plain Language Summary for this article on the Journal blog. Abstract Niche partitioning is often considered an important mechanism promoting species co‐occurrence in species‐rich communities. As species richness increases, niche partitioning may lead to different niche structures, including increased packing of species niches when the ...
Bryan G. Rojas   +3 more
wiley   +1 more source

Lichen bleaching as a response to long‐term experimental warming in the High Arctic

open access: yesFunctional Ecology, EarlyView.
Read the free Plain Language Summary for this article on the Journal blog. Abstract Lichens are an important component of Arctic ecosystems. Studies have indicated a decline in the abundance of Arctic lichens during recent decades, which is often attributed to competitive pressure from vascular plants.
Jiří Šubrt   +3 more
wiley   +1 more source

Efecto combinado de cepa de levadura y Terroir en vinos Malbec de Mendoza

open access: yesE3S Web of Conferences, 2018
Las cepas de levaduras producen atributos distintivos en los vinos, como así también, la uva proveniente de diferentes zonas puede modificar el flavour del vino.
Pérez Dolores   +4 more
doaj   +1 more source

Contribución de esquemas de fertilización orgánica y convencional al crecimiento y producción de Theobroma cacao L. bajo arreglo agroforestal en Rivera (Huila, Colombia)

open access: yesCiencia y Tecnología Agropecuaria, 2016
El impacto de los esquemas de fertilización orgánica sobre el crecimiento y la producción de cacao (Theobroma cacao L.) bajo sistemas agroforestales (SAF) se han estudiado poco.
Faver Álvarez Carrillo   +2 more
doaj   +1 more source

Effects of Replacing Dry-rolled Corn with Increasing Levels of Corn Dried Distillers Grains with Solubles on Characteristics of Digestion, Microbial Protein Synthesis and Digestible Energy of Diet in Hair Lambs Fed High-concentrate Diets. [PDF]

open access: yes, 2013
Four male lambs (Katahdin; average live weight 25.9±2.9 kg) with "T" type cannulas in the rumen and proximal duodenum were used in a 4×4 Latin square experiment to evaluate the influence of supplemental dry distillers grain with solubles (DDGS) levels (0,
Barreras, A   +9 more
core   +3 more sources

ORCHESTRATING DIFFERENCE AND SIMILARITY: Black Fungibility, and the Spatial Redrawing of Racial Categories in Spanish Colonial Morocco, Sahara and Guinea

open access: yesInternational Journal of Urban and Regional Research, EarlyView.
Abstract In this article I dissect the spatial strategies through which the Spanish attempted to orchestrate both racial difference and similarity in the African colonies of Morocco, Western Sahara and Equatorial Guinea during the first half of the twentieth century.
Pol Fité Matamoros
wiley   +1 more source

COMPARACIÓN DE DOS MÉTODOS DE TRANSFERENCIA DE EMBRIONES EN EL GANADO CRIOLLO LECHERO TROPICAL

open access: yesEcosistemas y Recursos Agropecuarios, 2015
En el ganado Criollo Lechero Tropical (CLT), se desconoce el mejor método para la criopreservación de sus embriones para transferencia. El objetivo del estudio fue comparar los métodos por curva lenta y vitrificación en receptoras CLT puras y mestizas ...
Fernando Naranjo-Chacón   +6 more
doaj   +1 more source

Functional homogenization of terrestrial mammals outside protected areas in the Hengduan Mountains, China

open access: yesConservation Biology, EarlyView.
Abstract Despite the crucial role of human impacts on biodiversity loss, many assessments of this loss focus on single metrics, such as species richness, and overlook the multidimensional effects of human activities. Because of its importance to ecosystem functioning, we investigated the functional diversity of medium‐ and large‐sized mammal ...
Xueyou Li   +8 more
wiley   +1 more source

Determinantes de la tasa de interés: la paradoja de Gibson y la teoría de Fisher

open access: yesEconómica, 1985
Este trabajo se propone verificar diversas hipótesis sobre los determinantes de la tasa de interés real, concentrándose en la verificación de la paradoja de Gibson y el Efecto Fisher.
Ana María Cerro
doaj  

Microorganismos asociados a la enfermedad conocida como pudrición suave del fruto de banano (musa sp.) y alternativas de control microbiológicas y químicas a nivel in vitro

open access: yesAgronomía Costarricense, 2022
Introducción. La Pudrición Suave del Fruto (PSF) es una enfermedad precosecha que afecta a las musáceas. En renovación de plantaciones, las pérdidas por esta enfermedad alcanzan desde 0,3 hasta 1,2 t.ha-1.año-1 de fruta. Objetivo. Describir los síntomas
Jose Pablo Vargas Fernández   +2 more
doaj   +1 more source

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